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Top 50 Climate Startup Investors in United States (September 2026)

The most active venture capital funds and angel investors investing in United States Climate startups. This investor list is updated monthly from the Shizune investor database, ranked by number of investments in United States Climate startup companies. Find investors to raise a Seed, Series A or Series B round with Shizune.
Investor Relevant Deals Geography Stage Focus Round Size
Alumni Ventures
VC Fund
160 United States, United Kingdom, Canada Seed, Series A, Series B Software, Artificial Intelligence, Information Technology $850k–$75M
Right Side Capital Management
VC Fund
114 United States, Canada, United Kingdom Seed, Pre-Seed, Convertible Note Software, SaaS, Health Care $50k–$1.8M
SOSV
VC Fund
88 United States, India, United Kingdom Seed, Convertible Note, Pre-Seed Biotechnology, Health Care, Software
Breakthrough Energy Ventures
VC Fund
84 United States, Canada, France Series A, Series B Energy, Renewable Energy, Manufacturing $11M–$193M
Liquid 2 Ventures
VC Fund
81 United States, Mexico, Canada Seed, Series A, Pre-Seed Software, Artificial Intelligence, Information Technology $125k–$48M
Gaingels
VC Fund
77 United States, Canada, Mexico Seed, Series A, Series B Software, Health Care, Artificial Intelligence $1M–$100M
Khosla Ventures
VC Fund
70 United States, India, United Kingdom Series A, Series B, Seed Software, Artificial Intelligence, Health Care $1.9M–$100M
Congruent Ventures
VC Fund
69 United States, Canada, United Kingdom Seed, Series A, Series B Software, Energy, Robotics $2.1M–$90M
Third Sphere
VC Fund
66 United States, United Kingdom, Israel Seed, Pre-Seed, Convertible Note Software, Energy, Real Estate $100k–$7.5M
Lowercarbon Capital
VC Fund
62 United States, United Kingdom, France Seed, Series A, Series B Renewable Energy, Energy, Biotechnology $3M–$150M
Collaborative Fund
VC Fund
61 United States, United Kingdom, South Korea Seed, Series A, Series B Software, Food and Beverage, Artificial Intelligence $1.4M–$75M
Lux Capital
VC Fund
61 United States, United Kingdom, Canada Series A, Seed, Series B Software, Artificial Intelligence, Health Care $1.8M–$150M
Founders Fund
VC Fund
58 United States, United Kingdom, Germany Series A, Seed, Series B Software, Health Care, Information Technology $1.7M–$100M
DCVC
VC Fund
56 United States, Canada, United Kingdom Seed, Series A, Series B Software, Artificial Intelligence, Machine Learning $1.1M–$130M
Clean Energy Venture Group
VC Fund
51 United States, Canada Seed, Series A, Convertible Note Energy, Renewable Energy, Manufacturing $630k–$11M
Climate Capital
VC Fund
51 United States, Canada, Germany Seed, Pre-Seed, Series A Energy, Manufacturing, Renewable Energy $800k–$31M
Soma Capital
VC Fund
51 United States, India, Mexico Seed, Pre-Seed, Series A Software, Artificial Intelligence, FinTech $125k–$35M
MCJ
VC Fund
49 United States, United Kingdom, Kenya Seed, Series A, Series B Renewable Energy, Energy, Software $3.7M–$150M
Clean Energy Ventures
VC Fund
48 United States, Canada, Israel Seed, Series A, Convertible Note Manufacturing, Energy, Renewable Energy $500k–$26M
Flybridge
VC Fund
48 United States, Canada, Brazil Seed, Series A, Series B Software, Artificial Intelligence, Information Technology $1M–$35M
Innova Memphis
VC Fund
48 United States, Germany, Argentina Seed, Pre-Seed, Convertible Note Health Care, Medical, Medical Device $25k–$1.5M
Launch NY
VC Fund
45 United States, Canada, Denmark Convertible Note, Seed, Pre-Seed Software, Health Care, SaaS $18k–$2.2M
Keiretsu Forum
VC Fund
45 United States, India, Turkey Seed, Series A Health Care, Software, Biotechnology $102k–$8.2M
Praxis
VC Fund
44 United States, Nigeria, Kenya Seed, Venture - Series Unknown, Grant Non Profit, Social Assistance, Education $250k–$15M
Prelude Ventures
VC Fund
44 United States, Canada Series A, Series B, Series C Software, Energy, Renewable Energy $6.8M–$128M
BoxGroup
VC Fund
44 United States, Mexico, Canada Seed, Series A, Series B Software, Health Care, Artificial Intelligence $1.8M–$90M
Eniac Ventures
VC Fund
43 United States, Canada, United Kingdom Seed, Series A, Series B Software, Information Technology, Mobile $1.7M–$40M
Toyota Ventures
VC Fund
42 United States, United Kingdom, Israel Series A, Seed, Series B Artificial Intelligence, Software, Robotics $1.4M–$126M
Eclipse
VC Fund
41 United States, Canada, Israel Series A, Series B, Seed Software, Robotics, Artificial Intelligence $2M–$100M
General Catalyst
VC Fund
41 United States, United Kingdom, India Series A, Seed, Series B Software, Artificial Intelligence, Health Care $1.7M–$123M
Andreessen Horowitz
VC Fund
41 United States, United Kingdom, Brazil Series A, Seed, Series B Software, Information Technology, Artificial Intelligence $1.6M–$112M
Asymmetry Ventures
VC Fund
41 United States, India, Canada Seed, Pre-Seed, Series A Software, Health Care, Biotechnology $125k–$21M
Fifty Years
VC Fund
41 United States, Germany, Canada Seed, Series A, Pre-Seed Biotechnology, Health Care, Artificial Intelligence $572k–$40M
Sand Hill Angels
VC Fund
41 United States, Canada, India Seed, Convertible Note, Series A Software, Health Care, Biotechnology $300k–$25M
Energy Impact Partners
VC Fund
38 United States, Canada, United Kingdom Series A, Series B, Series C Software, Energy, Renewable Energy $8.8M–$110M
Everywhere Ventures
VC Fund
37 United States, Australia, India Pre-Seed, Seed, Series A Software, Health Care, FinTech $250k–$20M
Powerhouse Ventures
VC Fund
36 United States, Canada, United Kingdom Seed, Series A, Pre-Seed Software, Energy, Solar $1.1M–$30M
SBXi
VC Fund
35 United States, India, Mexico Pre-Seed, Seed, Venture - Series Unknown Artificial Intelligence, Software, Information Technology $100k–$7M
Advantage Capital
VC Fund
35 United States, China, Canada Debt Financing, Series A, Venture - Series Unknown Manufacturing, Food and Beverage, Software $310k–$21M
New Enterprise Associates
VC Fund
35 United States, India, United Kingdom Series A, Series B, Series C Software, Health Care, Biotechnology $6M–$103M
Keiretsu Capital
VC Fund
34 United States, Canada, India Series A, Convertible Note, Seed Health Care, Biotechnology, Software $50k–$12M
Bossa Invest
VC Fund
34 United States, Brazil, Mexico Seed, Pre-Seed, Venture - Series Unknown Software, Information Technology, Financial Services $49k–$36M
Good Growth Capital
VC Fund
34 United States, France, Israel Seed, Series A, Convertible Note Health Care, Biotechnology, Software $25k–$24M
Boost VC
VC Fund
33 United States, Canada, United Kingdom Seed, Pre-Seed, Venture - Series Unknown Software, Artificial Intelligence, Virtual Reality $100k–$8.9M
New York Ventures
VC Fund
33 United States, Canada, Israel Seed, Series A, Series B Health Care, Biotechnology, Software $1M–$53M
Mark Cuban
Angel
33 United States, United Kingdom, Canada Seed, Series A, Angel Software, Artificial Intelligence, Blockchain $200k–$23M
Grantham Foundation
VC Fund
32 United States, United Kingdom, Canada Seed, Series A, Venture - Series Unknown Energy, Biotechnology, Agriculture $1.7M–$38M
FJ Labs
VC Fund
32 United States, Brazil, United Kingdom Seed, Series A, Series B Software, E-Commerce, Financial Services $1.2M–$65M
Houston Angel Network
VC Fund
32 United States, Canada, France Seed, Series A, Venture - Series Unknown Health Care, Software, Medical $25k–$7M
Sequoia Capital
VC Fund
30 United States, China, India Series A, Series B, Series C Software, Information Technology, Artificial Intelligence $6.4M–$230M
Access all 16453 investors in United States Climate startups.

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822 industries, 177 countries. Updated daily. Emails and phones included.

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Investor list

Alumni Ventures
VC Fund · Manchester, New Hampshire, United States · 160 investments in United States Climate startups

Access curated startup investment opportunities and diversified venture capital exposure designed for accredited investors.

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Investment focus

  • Industry: Software, Artificial Intelligence, Information Technology
  • Stage:Seed, Series A, Series B
  • Geography: United States, United Kingdom, Canada

Investor stats

  • Total investments: 2701
  • Round size: Seed $850k–$9.9M; Series A $3.5M–$32M; Series B $8M–$75M
  • Lead/follow: 4% lead, 96% follow
  • Last fund: Likely actively investing — fresh fund, raised $90k in 2026

Portfolio highlights

  • QuadSci — Customer Intelligence AI that predicts churn and growth from product telemetry, CRM data and conversational signals.
  • Veda — Veda is the largest vault infrastructure platform in DeFi, enabling institutions to launch and manage onchain financial products at scale.
  • Iambic — Iambic has created a cutting-edge AI-driven platform to tackle the most challenging design problems in drug discovery and address unmet patient need.
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Right Side Capital Management
VC Fund · San Francisco, California, United States · 114 investments in United States Climate startups

Systematic Pre-Seed Startup Capital

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Investment focus

  • Industry: Software, SaaS, Health Care
  • Stage:Seed, Pre-Seed, Convertible Note
  • Geography: United States, Canada, United Kingdom

Investor stats

  • Total investments: 1981
  • Round size: Seed $50k–$1.8M; Pre-Seed $50k–$450k; Convertible Note $50k–$400k
  • Lead/follow: 3% lead, 97% follow
  • Last fund: Likely actively investing — fresh fund, raised $55M in 2025

Portfolio highlights

  • tbh — tbh is a developer of a mobile application designed to provide anonymous feedback to friends. The company's mobile application facilitates asking or answering questions, open text fields and invite abuse when combined with anonymity, enabling users to say things without repercussions and feel better about themselves from the positive feedbackon social networks.
  • Vidrovr — Vidrovr develops multimodal computer vision and machine learning systems to index, tag, and understand video. It processes videos with specific domain constraints, such as in sports, government, and media verticals. Its technology enables its users to search an indexed video corpus and retrieve content inside videos and link it to other media likephotos and text.The company Integrates social media to enable direct interactions between multimedia content. Vidrovr was founded in 2016 and is headquartered in New York.
  • TasksMind — Customer Reliability Platform
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SOSV
VC Fund · Princeton, New Jersey, United States · 88 investments in United States Climate startups, 75 in the past 12 months

SOSV is a global, deep tech venture capital firm that operates the HAX and IndieBio startup development programs focused on human and planetary health. SOSV invests $500,000 in startups at their inception as they onboard either HAX or IndieBio for a 4-6 month period designed to accelerate the raise of their next institutional round. SOSV joins thelater rounds of HAX and IndieBio graduates. HAX, based in a 35,000 sq ft facility in Newark, NJ, is equipped with machine tools, 3D printers, chemical, electrical and mechanical engineering labs, as well as on-staff engineering and design experts. SOSV's IndieBio has locations in NYC and San Francisco, both of which offer extensive services and facilities to founders including on-site BSL-2 labs, well equipped lab benches and hoods, and advanced lab equipment, such as chromatography equipment.

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Investment focus

  • Industry: Biotechnology, Health Care, Software
  • Stage:Seed, Convertible Note, Pre-Seed
  • Geography: United States, India, United Kingdom

Investor stats

  • Total investments: 1482
  • Lead/follow: no public data

Portfolio highlights

  • MixRift — MIXRIFT - game developers specialized in Mixed Reality
  • unspun — From 3D scan to perfect fitting custom jeans. unspun makes each pair of jeans unique to your actual body and design. On a mission to reduce global carbon emissions by 1%. As seen in Fast Company's World Changing Ideas, Time's Best Inventions, and PopSci's Best of What's New. Welcome to the future of apparel.
  • Mesa Quantum — Unlock the potential of chip-scale quantum sensing for enhanced Position, Navigation, And Timing capabilities. Explore Mesa Quantum's practical solutions.
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Breakthrough Energy Ventures
VC Fund · Paris, Ile-de-France, France · 84 investments in United States Climate startups

Empowering innovators to build the future of energy

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Investment focus

  • Industry: Energy, Renewable Energy, Manufacturing
  • Stage:Series A, Series B
  • Geography: United States, Canada, France

Investor stats

  • Total investments: 286
  • Round size: Series A $11M–$55M; Series B $20M–$193M
  • Lead/follow: 47% lead, 53% follow
  • Last fund: Likely actively investing — fresh fund, raised $145M in 2025

Portfolio highlights

  • WeaveGrid — WeaveGrid operates with utilities and owners of electric vehicles (EV) to allow and speed up transportation electrification. Using machine learning, optimization, and predictive analytics, the company's software solution solves several EV-grid integration challenges for utilities in a systems-oriented manner; helps integrate renewable energyresources on the grid; and saves utility customers' money on their bills.
  • 75F — 75F's award-winning smart sensors and controls improve indoor air quality and make commercial buildings more comfortable and energy efficient. Automatically.
  • Physical Superintelligence — Physical Superintelligence develops physical superintelligence systems that use AI-driven research to study physics, engineer physical systems, and explore new physical laws. Its approach combines human scientists with virtual physicists that conduct autonomous research campaigns covering hypothesis development, verification, experimentation,engineering, and deployment. The company focuses initially on the physical infrastructure underlying AI, including energy, materials, computation, sensing, and manufacturing.
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Liquid 2 Ventures
VC Fund · San Francisco, California, United States · 81 investments in United States Climate startups

Liquid2 Ventures provides technology startups with seed-stage investments and is based in San Francisco, California. The firm was founded in 2015 by Joe Montana, Mike Miller, and Michael Ma.

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Investment focus

  • Industry: Software, Artificial Intelligence, Information Technology
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, Mexico, Canada

Investor stats

  • Total investments: 1234
  • Round size: Seed $1.1M–$9.1M; Pre-Seed $125k–$2.7M; Series A $6M–$48M
  • Lead/follow: 1% lead, 99% follow
  • Last fund: Likely actively investing — fresh fund, raised $12M in 2026

Portfolio highlights

  • Albedo — Aerial quality imagery - from space.
  • Vulcan — Frontier AI for government, law, and policy | backed by @ycombinator @generalcatalyst @cubitcapital
  • Attention — Attention is building an AI co-pilot designed to automate repetitive, multi-app desktop tasks.
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Gaingels
VC Fund · New York, New York, United States · 77 investments in United States Climate startups

Gaingels is a venture investment syndicate in service of the LGBT+ community and its allies, investing in companies with LGBT+ founders and C-suite leaders at all stages of growth, as well as in more established companies resolved on building more inclusive teams, with a global portfolio of 130+ companies and $70M in deployed investment capital todate. The Gaingels network also actively supports its portfolio in identifying and recruiting diverse talent to their C-suite and board leadership teams and fosters a vibrant global community of industry leaders, investors, operators, and entrepreneurs who share a common goal for positive social change through business and successful investments.

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Investment focus

  • Industry: Software, Health Care, Artificial Intelligence
  • Stage:Seed, Series A, Series B
  • Geography: United States, Canada, Mexico

Investor stats

  • Total investments: 1338
  • Round size: Seed $1M–$8.2M; Series A $5M–$35M; Series B $16M–$100M
  • Lead/follow: 1% lead, 99% follow
  • Last fund: Likely actively investing — fresh fund, raised $140k in 2026

Portfolio highlights

  • Catio — Cloud architecture platform enabling companies to excel with cloud native tech stacks, focused on tech stack evaluation, planning, and evolution, with the help of AI.
  • Epirus — Epirus is a high-growth technology company that develops cutting-edge directed energy systems and power management solutions to transform multiple industries.
  • Multiverse Computing — World leaders in quantum computing for the financial industry. The first quantum & quantum-inspired toolbox for finance.
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Khosla Ventures
VC Fund · Menlo Park, California, United States · 70 investments in United States Climate startups

Khosla Ventures is a venture capital firm that invests in early- to late-stage companies across sectors like AI, healthcare, sustainability, and consumer technology. It manages multiple funds, focusing on startups with innovative technologies or business models. The firm primarily targets sectors like AI, climate tech, digital health, and medtech,offering strategic support to help build long-lasting companies.

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Investment focus

  • Industry: Software, Artificial Intelligence, Health Care
  • Stage:Series A, Series B, Seed
  • Geography: United States, India, United Kingdom

Investor stats

  • Total investments: 1441
  • Round size: Seed $1.9M–$25M; Series A $5.5M–$47M; Series B $11M–$100M
  • Lead/follow: 39% lead, 61% follow
  • Last fund: Likely actively investing — fresh fund, raised $31M in 2026

Portfolio highlights

  • Seeo — Daftar akun togel resmi bisa melalui via dana, ovo, gopay, linkaja kami juga menyediakan berbagai link togel terpercaya seperti bo togel hadiah 2d 200rb, bandar togel hadiah 4d 10 juta terpercaya, situs togel resmi dan terpercaya, agen togel terpercaya, daftar bandar togel terbesar dan terpercaya, bandar togel terbesar, situs togel prize 123, bo togel bolak balik dibayar dan banyak lainnya yang kami sediakan untuk pencinta link togel resmi di Indonesia.
  • Anrok — Anrok automates sales tax compliance across your financial stack, so you can grow your SaaS business in any market.
  • Lovable — Build apps, websites, and digital products faster using Lovable's AI-powered platform, no deep coding skills required.
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Congruent Ventures
VC Fund · Oakland, California, United States · 69 investments in United States Climate startups, 14 in the past 12 months

Congruent Ventures is a venture capital firm that seeks to invest in Mobility and Urbanization, Energy Transition, Food and Agriculture, and Sustainable Production & Consumption sectors. We look for technology companies that will positively impact our energy and resource consumption. If we see an opportunity to partner with a like-minded teamfocused on scale across hardware, software, or services, we’re interested.

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Investment focus

  • Industry: Software, Energy, Robotics
  • Stage:Seed, Series A, Series B
  • Geography: United States, Canada, United Kingdom

Investor stats

  • Total investments: 155
  • Round size: Seed $2.1M–$11M; Series A $4.6M–$26M; Series B $10M–$90M
  • Lead/follow: 32% lead, 68% follow
  • Last fund: Likely still investing — raised $85M in 2024

Portfolio highlights

  • Fluxco — Procurement, leasing, service, and warranty for transformers from 100+ vetted global suppliers.
  • RockRose Risk — RockRose Risk quantifies wildfire mitigation and turns it into real premium reductions. Clients save an average of 21% on residential and 35%+ on commercial placements.
  • Gritt Robotics — Gritt is an intelligent system that combines robotics and AI to build the infrastructure that pulls society forward. Doing real work on real jobsites, today.
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Third Sphere
VC Fund · Brooklyn, New York, United States · 66 investments in United States Climate startups

Early-stage fund focused on rapid, scalable climate action and targeting outsized impact and outsized returns.

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Investment focus

  • Industry: Software, Energy, Real Estate
  • Stage:Seed, Pre-Seed, Convertible Note
  • Geography: United States, United Kingdom, Israel

Investor stats

  • Total investments: 208
  • Round size: Seed $100k–$7.5M; Pre-Seed $150k–$3M; Convertible Note $125k–$1.2M
  • Lead/follow: 9% lead, 91% follow
  • Last fund: Likely still investing — raised $9.9M in 2022

Portfolio highlights

  • Forest3 AI — Forest3 multiplies forest management productivity with small, semi-autonomous equipment for fire prevention and precision harvesting. Forest professionals are empowered to get more coverage in less time with much greater safety.
  • Shellworks — Reimaging nature's packaging with beautifully sustainable, truly compostable alternatives to plastic for cosmetics and beauty products.
  • Merino Energy — Electric cooling and heating installed in an hour or less.
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Lowercarbon Capital
VC Fund · New York, New York, United States · 62 investments in United States Climate startups

Lowercarbon Capital backs kickass companies slashing CO2 emissions, sucking carbon out of the sky, and buying us time to unf**k the planet.

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Investment focus

  • Industry: Renewable Energy, Energy, Biotechnology
  • Stage:Seed, Series A, Series B
  • Geography: United States, United Kingdom, France

Investor stats

  • Total investments: 225
  • Round size: Seed $3M–$12M; Series A $11M–$50M; Series B $21M–$150M
  • Lead/follow: 40% lead, 60% follow
  • Last fund: Likely actively investing — fresh fund, raised $11M in 2025

Portfolio highlights

  • Terraton — Terraton is a biochar platform that provides equipment, design, and financing to agribusiness operators.
  • River — Empowering people, improving lives.
  • Antora Energy — Antora converts low-cost, intermittent renewable electricity into a reliable, on-demand source of zero-emissions industrial heat and power.
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Access 48,091 investors

822 industries, 177 countries. Updated daily. Emails and phones included.

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Collaborative Fund
VC Fund · New York, New York, United States · 61 investments in United States Climate startups

Collaborative Fund is a leading source of capital for entrepreneurs pushing the world forward.

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Investment focus

  • Industry: Software, Food and Beverage, Artificial Intelligence
  • Stage:Seed, Series A, Series B
  • Geography: United States, United Kingdom, South Korea

Investor stats

  • Total investments: 385
  • Round size: Seed $1.4M–$10M; Series A $4.7M–$37M; Series B $15M–$75M
  • Lead/follow: 17% lead, 83% follow
  • Last fund: Likely actively investing — fresh fund, raised $15M in 2026

Portfolio highlights

  • Diffraqtion — Quantum camera platform that enables satellites and machines to see further and think faster with cutting-edge technology.
  • Osmo Studio — Osmo is an AI-native video editor for product launch videos and motion graphics. Turn ideas, Figma files, and footage into polished, on-brand animations, built as editable code.
  • Switchboard — Switchboard's service design, coaching, and software offerings generate real results for higher ed teams and institutions.
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Lux Capital
VC Fund · New York, New York, United States · 61 investments in United States Climate startups

Lux Capital manages over $5 billion in assets focused on founding, seed, early-stage, and growth investments at the intersection of technology and the sciences. Lux takes an active role in helping entrepreneurs build successful businesses in high-growth sectors. Its investment team has built over 20 companies from scratch. Lux's investmentstrategy ensures portfolio companies are better connected, have a deeper insight, and command industry leadership faster than their competitors.

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Investment focus

  • Industry: Software, Artificial Intelligence, Health Care
  • Stage:Series A, Seed, Series B
  • Geography: United States, United Kingdom, Canada

Investor stats

  • Total investments: 688
  • Round size: Seed $1.8M–$25M; Series A $7M–$90M; Series B $13M–$150M
  • Lead/follow: 29% lead, 71% follow
  • Last fund: Likely actively investing — fresh fund, raised $10M in 2026

Portfolio highlights

  • Adimab — Premier Human Antibody Discovery and Optimization
  • Toonimo — Toonimo humanize the web user experience with an engaging and personalized step-by-step interactive walkthrough
  • Cajal Neuroscience — Cajal Neuroscience is a drug discovery company focused on neurodegenerative disease.
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Founders Fund
VC Fund · San Francisco, California, United States · 58 investments in United States Climate startups

Founders Fund is a San Francisco based venture capital firm investing in companies building revolutionary technologies.

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Investment focus

  • Industry: Software, Health Care, Information Technology
  • Stage:Series A, Seed, Series B
  • Geography: United States, United Kingdom, Germany

Investor stats

  • Total investments: 1035
  • Round size: Seed $1.7M–$14M; Series A $5.5M–$50M; Series B $15M–$100M
  • Lead/follow: 33% lead, 67% follow
  • Last fund: Likely actively investing — fresh fund, raised $6B in 2026

Portfolio highlights

  • Ubyx — Ubyx is a clearing system that allows anyone,
  • Numeric — Hundreds of teams streamline reconciliations, organize their close, and leverage AI for flux analysis and reporting with Numeric.
  • Prime Intellect — Prime Intellect democratizes AI development at scale. Our platform makes it easy to find global compute resources and train state-of-the-art models through distributed training across clusters. Collectively own the resulting open AI innovations, from language models to scientific breakthroughs.
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DCVC
VC Fund · San Francisco, California, United States · 56 investments in United States Climate startups

We are deep tech venture capital.

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Investment focus

  • Industry: Software, Artificial Intelligence, Machine Learning
  • Stage:Seed, Series A, Series B
  • Geography: United States, Canada, United Kingdom

Investor stats

  • Total investments: 491
  • Round size: Seed $1.1M–$9.1M; Series A $5.8M–$45M; Series B $15M–$130M
  • Lead/follow: 23% lead, 77% follow
  • Last fund: Likely actively investing — fresh fund, raised $5M in 2026

Portfolio highlights

  • CH4 Global — CH4 Global is an aquaculture solutions provider dedicated to urgently impacting climate change at scale. Lead by a world-class team of senior business builders, scientists and entrepreneurs, the company is initially leveraging proven science and technology for growing seaweed into innovative new livestock supplement that reduces methane produced bycows by up to 90%. Among early investors are a select group of prominent family offices and private investors. CH4 Global have also received non-dilutive capital support from government organizations from around the world. CH4 Global is a Delaware corporation based in Henderson, NV.
  • Regent — We build all-electric, passenger-carrying, wing-in-ground-effect vehicles to service coastal routes with technology available today.
  • Callosum — Callosum - Co-evolving chips & intelligence
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Clean Energy Venture Group
VC Fund · Brookline, Massachusetts, United States · 51 investments in United States Climate startups

CEVG is an angel investor collective that invest in and mentors early-stage cleantech and climatetech startups across North America.

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Investment focus

  • Industry: Energy, Renewable Energy, Manufacturing
  • Stage:Seed, Series A, Convertible Note
  • Geography: United States, Canada

Investor stats

  • Total investments: 73
  • Round size: Seed $1M–$5.6M; Series A $2M–$11M; Convertible Note $630k–$2.5M
  • Lead/follow: 8% lead, 92% follow
  • Last fund: May invest from a new fund soon — raised $108M in 2019

Portfolio highlights

  • PeelON — At PeelON, we're passionate about freshness, sustainability, and innovation. Our mission is to revolutionize the packaging industry by offering biodegradable solutions that keep produce fresher for longer while minimizing environmental impact. With PeelON, you can trust that your fruits and vegetables stay crisp, delicious, and planet-friendly. Join us in our journey towards a fresher, greener future. - Biodegradable covers - food packaging - biodegradable food packing - fresh fruit covers
  • Queens Carbon — Queens Carbon is working on a processing system that will dramatically cut energy use. The system minimizes calcination and material synthesis energy consumption, allowing for low-cost carbon capture and carbon-neutral cement manufacture.
  • Electrified Thermal Solutions — Electrified Thermal Solutions, Inc. is developing the Joule Hive: a new energy storage technology that converts surplus zero-carbon electricity into heat.
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Climate Capital
VC Fund · San Francisco, California, United States · 51 investments in United States Climate startups

Diversified investments in the most promising early stage climate startups backed by top tier VCs.

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Investment focus

  • Industry: Energy, Manufacturing, Renewable Energy
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, Canada, Germany

Investor stats

  • Total investments: 130
  • Round size: Seed $2M–$9M; Pre-Seed $800k–$2.5M; Series A $9.7M–$31M
  • Lead/follow: 2% lead, 98% follow

Portfolio highlights

  • Revoy — We haul Pacific Northwest freight with our 95% electrified fleet.
  • Critical Loop — Unlock the grid. Unlock opportunity.
  • Ludwig Computing — Ludwig Computing is an AI hardware startup creating energy-efficient compute platforms for future intelligent computing.
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Soma Capital
VC Fund · San Francisco, California, United States · 51 investments in United States Climate startups

Welcome to Soma Capital

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Investment focus

  • Industry: Software, Artificial Intelligence, FinTech
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, India, Mexico

Investor stats

  • Total investments: 1075
  • Round size: Seed $1.2M–$8.5M; Pre-Seed $125k–$3.8M; Series A $5M–$35M
  • Lead/follow: 2% lead, 98% follow
  • Last fund: Likely actively investing — fresh fund, raised $37M in 2026

Portfolio highlights

  • Starcloud — Starcloud is building a network of megawatt-scale data centers in space, scaleable to gigawatt capacity. Falling launch costs allow Starcloud to take advantage of the abundant energy, passive cooling, and high-speed connectivity in space.
  • Cambium — Cambium Carbon is an early stage social enterprise start up focused on implementing systems-level natural climate solutions centered on reforestation and urban wood reuse.
  • Cognition — Cognition develops artificial intelligence systems for software engineering and code automation. The company operates Devin, an AI software engineer that plans, writes, tests, debugs, and deploys code through integrated development workflows. Its platform works with existing development tools and codebases to support engineering tasks acrossapplication development, maintenance, and issue resolution. Cognition also provides tools that assist teams with system design, technical workflows, and collaborative coding processes. The company focuses on AI agents that automate repetitive engineering work while supporting software teams in managing complex development tasks.
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MCJ
VC Fund · Kasukabe, Saitama, Japan · 49 investments in United States Climate startups, 13 in the past 12 months

MCJ backs extraordinary founders driving the transition of energy and industry and tackling the inevitable impacts of climate change. We discover and invest in startups rewriting industries to be cleaner, more profitable and more resilient. We strengthen our investments through the MCJ Collective — a vetted member network that connects talentedtech and industrial leaders with our portfolio and with one another. Our media platform including the Inevitable podcast spotlights key perspectives critical to our portfolio and the transition at large, reaching tens of thousands of professionals multiple times per week. Learn more at mcj.vc

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Investment focus

  • Industry: Renewable Energy, Energy, Software
  • Stage:Seed, Series A, Series B
  • Geography: United States, United Kingdom, Kenya

Investor stats

  • Total investments: 100
  • Round size: Seed $3.7M–$11M; Series A $11M–$40M; Series B $24M–$150M
  • Lead/follow: 0% lead, 100% follow
  • Last fund: Likely still investing — raised $68M in 2023

Portfolio highlights

  • Light — Get the benefits of power without the burden as we manage risk, regulatory compliance, payments, and customer support.
  • Reservoir — Reservoir is making home electrification easy, affordable, and awesome, starting with hot water because it's the fastest way to make the biggest impact.
  • Odyssey — Discover how Odyssey Energy Solutions unblocks bottlenecks in DRE project development. Access diverse financing, procure equipment efficiently, and remotely monitor system performance. Join over 2000 renewable energy companies that use Odyssey to scale. Get in touch today.
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Clean Energy Ventures
VC Fund · Boston, Massachusetts, United States · 48 investments in United States Climate startups

Clean Energy Ventures backs founders turning breakthrough climate innovations into scaling companies, with decades of engineering and commercial expertise at seed and Series A.

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Investment focus

  • Industry: Manufacturing, Energy, Renewable Energy
  • Stage:Seed, Series A, Convertible Note
  • Geography: United States, Canada, Israel

Investor stats

  • Total investments: 73
  • Round size: Seed $1.5M–$10M; Series A $2.1M–$26M; Convertible Note $500k–$2.5M
  • Lead/follow: 68% lead, 32% follow
  • Last fund: Likely still investing — raised $305M in 2024

Portfolio highlights

  • OXCCU — OXCCU develops renewable energy technology with the goal of achieving a circular economy for fuels, chemicals, and plastics. The technology offered by the company combines carbon dioxide from the atmosphere with hydrogen from water and renewable electricity to produce fuels, chemicals, and biodegradable plastics.
  • NexDash — Vertical AI for electric truck fleets. We run the trucks and build the software that runs them. The neo-carrier for zero-emission road freight.
  • DG Matrix — DG Matrix innovative solutions unlock gigaton-scale emissions reductions by enabling electrification anywhere and everywhere with less material and a smaller footprint.
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Flybridge
VC Fund · Boston, Massachusetts, United States · 48 investments in United States Climate startups

New York and Boston Based Early-Stage Venture Capital Firm Backing Seed Stage AI Companies. Focused on AI Enablement, Developer Platforms, Agentic Business Applications, and Native AI for Human Ingenuity

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Investment focus

  • Industry: Software, Artificial Intelligence, Information Technology
  • Stage:Seed, Series A, Series B
  • Geography: United States, Canada, Brazil

Investor stats

  • Total investments: 917
  • Round size: Seed $1M–$7M; Series A $4.7M–$22M; Series B $3.4M–$35M
  • Lead/follow: 11% lead, 89% follow
  • Last fund: Likely actively investing — fresh fund, raised $100M in 2025

Portfolio highlights

  • BoobyBiome — BoobyBiome harnesses breast milk microbiome science to develop products to improve infant health
  • Restorando — Restorando is an operator of an online restaurant reservation platform used to improve dining out experiences. Its platform helps restaurants to develop new sales channels to promote available tables and increase revenue that enables consumers to efficiently make reservations online.Restorando was established in 2011 and is headquartered inBuenos Aires, Argentina.
  • Dragon Innovation — We help companies who are launching complex products to strategize and execute their manufacturing from prototype through ongoing production
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Innova Memphis
VC Fund · Memphis, Tennessee, United States · 48 investments in United States Climate startups

Founded in 2007 by the Memphis Bioworks Foundation, Innova is a pre-seed, seed and early-stage investor focused on starting and funding high-growth companies in the Biosciences, Technology and AgBio fields across the state of Tennessee. Innova links capital with great ideas to create groundbreaking products and services.At Innova we invest instart-up companies, help them grow, and then assist them in linking with established corporations for licensing, buy-outs or further investments. We provide the synergy of experienced management, market expertise and venture capital to accelerate the development of new products and services into viable business units that can stand on their own and then take their place with a mature market leader, if desired.Whether an innovation is still on the drawing board or stalled in the market place the Innova staff has the expertise, skills, and experience to envision and create a functioning business unit that is prepared to thrive in the market place. Technical know-how, market-proven staffing, and "just-right" funding assure the greatest chance possible for success.

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Investment focus

  • Industry: Health Care, Medical, Medical Device
  • Stage:Seed, Pre-Seed, Convertible Note
  • Geography: United States, Germany, Argentina

Investor stats

  • Total investments: 284
  • Round size: Seed $25k–$1.5M; Pre-Seed $25k–$1.3M; Convertible Note $48k–$1.4M
  • Lead/follow: 26% lead, 74% follow
  • Last fund: Likely still investing — raised $40M in 2023

Portfolio highlights

  • HerdDogg — HerdDogg is a global herd health and data science platform. It is a two-part system that helps ranchers track health and proximity data from their herd. The company's device gathers the data captured by the ear tags and reports it directly to the rancher via an app or web database.
  • Insignum AgTech — Insignum AgTech develops biotech plants that communicate with producers, alerting them to an illness in its early stages.
  • Soiltech Wireless — Soiltech Wireless is a developer of ag-tech solutions to design electronic devices for agricultural professionals. Its product provides real-time data to drive efficiency and optimize quality. It also provides actionable data without installation hassles and creates scalable monitoring solutions for farmers.The company was founded in 2019 and isheadquartered in Rupert, Idaho.
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Launch NY
VC Fund · Buffalo, New York, United States · 45 investments in United States Climate startups

Upstate New York's most active nonprofit seed fund. Free mentoring, seed capital, and hands-on support for high-growth startups. 1,900+ companies mentored, 110+ funded, 9,900+ jobs created.

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Investment focus

  • Industry: Software, Health Care, SaaS
  • Stage:Convertible Note, Seed, Pre-Seed
  • Geography: United States, Canada, Denmark

Investor stats

  • Total investments: 248
  • Round size: Seed $50k–$2.2M; Pre-Seed $81k–$1.1M; Convertible Note $18k–$1M
  • Lead/follow: 61% lead, 39% follow
  • Last fund: Likely still investing — raised $16M in 2023

Portfolio highlights

  • Ognomy Sleep — Are you looking for a sleep apnea app? Ognomy brings the high-quality care you can expect from an online sleep doctor. Our mission is to improve global health by democratizing access to care for those who suffer from sleep apnea - over 1 billion people worldwide.
  • CryoBio — CryoBio offers a food-safe spray solution to protect crops from extreme frost, reducing losses and replacing manual labor with effective, biodegradable frost protection technology.
  • Bridge Green Upcycle — Bridge Green Upcycle is a clean energy company that specializes in lithium-ion battery upcycling technology solutions.
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Keiretsu Forum
VC Fund · San Francisco, California, United States · 45 investments in United States Climate startups

Keiretsu Forum is a global angel investor network with more than 2,500 accredited investor members throughout 47 chapters on 3 continents.

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Investment focus

  • Industry: Health Care, Software, Biotechnology
  • Stage:Seed, Series A
  • Geography: United States, India, Turkey

Investor stats

  • Total investments: 485
  • Round size: Seed $102k–$3.1M; Series A $285k–$8.2M
  • Lead/follow: 7% lead, 93% follow
  • Last fund: May invest from a new fund soon — raised $10M in 2015

Portfolio highlights

  • Bliss — Skip long waitlists and expensive therapy. Book licensed online therapists in multiple languages with culturally informed care.
  • BatteryPool — BatteryPool offers battery charging solutions for EV fleets and commercial vehicles.
  • Apriority Financial — Apriority Financial is a debt optimization platform that manages and optimizes employee personal debt.
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Praxis
VC Fund · New York, New York, United States · 44 investments in United States Climate startups

We are a creative engine for redemptive entrepreneurship, supporting founders, funders, and innovators motivated by their faith to love their neighbors and renew culture.

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Investment focus

  • Industry: Non Profit, Social Assistance, Education
  • Stage:Seed, Venture - Series Unknown, Grant
  • Geography: United States, Nigeria, Kenya

Investor stats

  • Total investments: 288
  • Round size: Seed $250k–$7M; Venture - Series Unknown $4.5M–$15M
  • Lead/follow: 28% lead, 72% follow

Portfolio highlights

  • Orb Aerospace — Building Better Airplanes Faster
  • Uprooted Academy — Uprooted Academy provides AI-powered advising for students and counselors with guidance and wellness support to navigate college and career pathways. Start your journey today.
  • Kokari Coconuts & Company — Ko-ka-ri means "let the good go around". We believe this is the magic of coconuts. At Kokari, we transform every part of the coconut into wholesome products made with simple, clean ingredients. Africa has always understood less is more.
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Prelude Ventures
VC Fund · San Francisco, California, United States · 44 investments in United States Climate startups, 9 in the past 12 months

Prelude Ventures invests in and supports early-stage startups with the greatest potential to mitigate climate change. For us, climate is everything.

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Investment focus

  • Industry: Software, Energy, Renewable Energy
  • Stage:Series A, Series B, Series C
  • Geography: United States, Canada

Investor stats

  • Total investments: 180
  • Round size: Series A $6.8M–$33M; Series B $9.3M–$101M; Series C $19M–$128M
  • Lead/follow: 31% lead, 69% follow
  • Last fund: May invest from a new fund soon — last raise in 2013

Portfolio highlights

  • Quaise Energy — Quaise is an energy company unlocking geothermal energy for the world population through millimeter wave drilling technology.
  • Form Energy — Form Energy is an American company driving innovation in energy manufacturing and technology to ensure a clean, secure, and reliable electric grid.
  • Thea Energy — Discover Thea Energy, a fusion energy company reinventing the stellarator to create a limitless source of zero emission energy for a sustainable future.
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BoxGroup
VC Fund · New York, New York, United States · 44 investments in United States Climate startups

BoxGroup is an early stage investment fund focused on technology companies. Contact Us: hello@boxgroup.com

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Investment focus

  • Industry: Software, Health Care, Artificial Intelligence
  • Stage:Seed, Series A, Series B
  • Geography: United States, Mexico, Canada

Investor stats

  • Total investments: 802
  • Round size: Seed $1.8M–$9.5M; Series A $6M–$32M; Series B $19M–$90M
  • Lead/follow: 5% lead, 95% follow
  • Last fund: Likely actively investing — fresh fund, raised $275M in 2025

Portfolio highlights

  • Vial — Next generation pharma company powered by computationally designed therapeutics and automated trials
  • Clay — Clay's spreadsheet helps you find, enrich and act on people and company data from any source - without a line of code. Get started for free, today.
  • Sora — Connect HR tools, automate tasks, and deliver great employee experiences
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Eniac Ventures
VC Fund · New York, New York, United States · 43 investments in United States Climate startups, 16 in the past 12 months

Eniac Ventures is a venture capital firm that focuses its seed-stage investments in technology, software, robotics, and SaaS startups. The firm partners with bold founders to help them achieve product-market fit and grow their companies from inception to success. With each fund, the approach of Eniac Ventures has evolved and expanded to addressthe growing needs of portfolio companies. Founders are encouraged to focus on their product, which led to the creation of the Eniac Platform. Term sheets represent just the initial step; companies partnering with Eniac benefit from a range of complimentary support services.These include access to a talent recruiter dedicated to finding top employees, particularly in engineering, as well as a public relations and marketing specialist to help products reach key audiences from launch through growth. Additionally, operational resources are provided to help organize staff and implement best practices.Business development and networking opportunities are available with thousands of leading companies, investors, and brands. Furthermore, connections to other founders within Eniac’s portfolio facilitate the exploration of synergies and opportunities. Fundraising support encompasses guidance on pitch decks, strategies for follow-on investors, and syndicate building.

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Investment focus

  • Industry: Software, Information Technology, Mobile
  • Stage:Seed, Series A, Series B
  • Geography: United States, Canada, United Kingdom

Investor stats

  • Total investments: 601
  • Round size: Seed $1.7M–$5.8M; Series A $8M–$20M; Series B $8M–$40M
  • Lead/follow: 29% lead, 71% follow
  • Last fund: Likely still investing — raised $12M in 2024

Portfolio highlights

  • GenHealth.ai — GenHealth.ai provides healthcare solutions using generative AI trained on encoded medical events. Its product is a generative healthcare AI publicly available. It includes a foundation transformer model (new neural networks with excellent memory), an API, and user applications that can generate and predict future sequences of health events usinghistorical events. Together they can be used to build a large variety of customized applications.
  • Dynamic Creatures — Dynamic Creatures creates responsive character robots for the entertainment and service sectors.
  • Nebex — NEBEX is a successful middle market investment intermediary. NEBEX, has completed over 100 transactions throughout the United States. New England Business Exchange concentrates on representing sellers whose business appeals to large corporate buyers or private equity groups.
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Toyota Ventures
VC Fund · Los Altos, California, United States · 42 investments in United States Climate startups

Toyota Ventures is a San Francisco Bay Area-based venture capital firm that invests in early-stage startups from around the world. Founded in July 2017, its mission is to discover what’s next for Toyota by helping startups bring disruptive technologies and business models to market quickly. With more than $800 million in assets under management,the firm’s funds include the Toyota Ventures Frontier Fund focused on artificial intelligence, cloud computing, autonomy, mobility, robotics, financial technologies, materials, and energy; and the Toyota Ventures Climate Fund focused on innovative solutions for carbon neutrality.

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Investment focus

  • Industry: Artificial Intelligence, Software, Robotics
  • Stage:Series A, Seed, Series B
  • Geography: United States, United Kingdom, Israel

Investor stats

  • Total investments: 160
  • Round size: Seed $1.4M–$17M; Series A $10M–$38M; Series B $15M–$126M
  • Lead/follow: 16% lead, 84% follow
  • Last fund: Likely still investing — raised $150M in 2024

Portfolio highlights

  • River — Empowering people, improving lives.
  • Neuromorphic Labs — Neuromorphic Labs is an AI infrastructure company that develops a centralized control plane for managing and securing production artificial intelligence.
  • Supercritical — We partner with industry to move and think beyond fossil fuels with innovative clean technology solutions.
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Eclipse
VC Fund · Palo Alto, California, United States · 41 investments in United States Climate startups

Palo Alto based Eclipse Ventures partners with entrepreneurs boldly transforming the essential industries that define and propel economies. Learn more.

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Investment focus

  • Industry: Software, Robotics, Artificial Intelligence
  • Stage:Series A, Series B, Seed
  • Geography: United States, Canada, Israel

Investor stats

  • Total investments: 270
  • Round size: Seed $2M–$22M; Series A $7.4M–$50M; Series B $15M–$100M
  • Lead/follow: 56% lead, 44% follow
  • Last fund: Likely actively investing — fresh fund, raised $51M in 2026

Portfolio highlights

  • Muon Space — Earth intelligence for a Safe and Resilient World.
  • Reframe Systems — Robotic microfactories for building net-zero homes 2x faster, 2x cheaper with 10x lower carbon
  • Flex Logix Technologies — Flex Logix charges a license fee for the delivery of the design files and tools, an annual license fee for the ongoing use of the EFLX Compiler for reprogramming, and a royalty. The company was founded in 2014 and is based in Mountain View, California.
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General Catalyst
VC Fund · Cambridge, Massachusetts, United States · 41 investments in United States Climate startups

Investing in powerful, positive change that endures

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Investment focus

  • Industry: Software, Artificial Intelligence, Health Care
  • Stage:Series A, Seed, Series B
  • Geography: United States, United Kingdom, India

Investor stats

  • Total investments: 2255
  • Round size: Seed $1.7M–$18M; Series A $6.7M–$75M; Series B $14M–$123M
  • Lead/follow: 46% lead, 54% follow
  • Last fund: Likely actively investing — fund raised in 2026

Portfolio highlights

  • Envoy Global — 25 years. 180+ countries. 2,000+ corporate clients. Envoy combines legal expertise and technology to simplify global immigration management.
  • TaleMonster Games — TaleMonster is a multinational mobile game firm that genuinely wants to provide millions of gamers experiences they won't soon forget. By putting our passion at the center of everything we make, we hope to reinvent what casual in mobile gaming means.
  • Ares Interactive, Inc. — We build player-loved games. Player-first. Built to last.
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Andreessen Horowitz
VC Fund · Menlo Park, California, United States · 41 investments in United States Climate startups

Andreessen Horowitz (a16z) is a venture capital firm in Silicon Valley, California, investing in bold founders, innovators, and entrepreneurs building the future through technology.

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Investment focus

  • Industry: Software, Information Technology, Artificial Intelligence
  • Stage:Series A, Seed, Series B
  • Geography: United States, United Kingdom, Brazil

Investor stats

  • Total investments: 2069
  • Round size: Seed $1.6M–$16M; Series A $9M–$55M; Series B $17M–$112M
  • Lead/follow: 49% lead, 51% follow
  • Last fund: Likely actively investing — fresh fund, raised $1.2B in 2026

Portfolio highlights

  • Radiant — Clean. Portable. Safe. Energy
  • Supersonik — Supersonik provides an AI-powered platform for SaaS companies to offer 24/7 interactive product demos, enabling prospects to explore and personalize demos instantly without scheduling or manual intervention.
  • Socket — Socket fights vulnerabilities and provides visibility, defense-in-depth, and proactive supply chain protection for JavaScript, Python, and Go dependencies.
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Asymmetry Ventures
VC Fund · San Francisco, California, United States · 41 investments in United States Climate startups

Asymmetry Ventures invests in scalable early-stage companies with exceptional defensibility.

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Investment focus

  • Industry: Software, Health Care, Biotechnology
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, India, Canada

Investor stats

  • Total investments: 298
  • Round size: Seed $500k–$5M; Pre-Seed $125k–$2.4M; Series A $2M–$21M
  • Lead/follow: 2% lead, 98% follow

Portfolio highlights

  • Enlightra — Extreme-bandwidth data transmission enabled by light
  • Persist AI — Persist AI develops PLGA microspheres for long-acting injectable formulations 50% faster using automation and AI.
  • Coreshell Technologies — Battery Capacity Unlocked
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Fifty Years
VC Fund · San Francisco, California, United States · 41 investments in United States Climate startups, 6 in the past 12 months

WE BACK HEROES using technology to solve the world's biggest problems

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Investment focus

  • Industry: Biotechnology, Health Care, Artificial Intelligence
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, Germany, Canada

Investor stats

  • Total investments: 214
  • Round size: Seed $2M–$13M; Pre-Seed $572k–$3.3M; Series A $8.5M–$40M
  • Lead/follow: 17% lead, 83% follow
  • Last fund: Likely still investing — raised $90M in 2021

Portfolio highlights

  • Onepot.ai — Search 2.7 billion make-on-demand analogs from onepot CORE, get a quote, and we synthesize and QC them in our US-based lab. AI-powered custom synthesis.
  • Wafer — Wafer is an AI optimization platform that automatically accelerates AI models by generating efficient custom GPU kernels.
  • Adaption Labs — Adaptation creates AI systems that adjust to changing real-world circumstances.
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Sand Hill Angels
VC Fund · Mountain View, California, United States · 41 investments in United States Climate startups

For over two decades, Sand Hill Angels has worked openly and collaboratively with venture capital funds, other angel organizations, and the Bay Area ecosystem that fosters the growth of technology startups.

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Investment focus

  • Industry: Software, Health Care, Biotechnology
  • Stage:Seed, Convertible Note, Series A
  • Geography: United States, Canada, India

Investor stats

  • Total investments: 590
  • Round size: Seed $940k–$6.2M; Series A $1.6M–$20M; Convertible Note $300k–$25M
  • Lead/follow: 2% lead, 98% follow

Portfolio highlights

  • PlusPlus — PlusPlus provides a learning and development SaaS platform for technical professionals. It automates the management of onboarding, workshops, and tech-talks at scale. With PlusPlus, companies attract and develop employees.
  • Clean Power Finance — Clean Power Finance (CPF) is building an online business-to-business marketplace to drive the mass-market adoption of solar. The company connects providers of capital who are committed to investing in residential solar with qualified solar marketers, installers and distributors who need residential solar finance products to differentiate and growtheir businesses. CPF raises 100 percent third-party‐owned project finance funds from institutional investors such as Morgan Stanley and Google, working with the investors to structure and launch the funds with managed risk and return profiles. CPF then markets the funds as solar leases and power purchase agreements (PPAs) to qualified solar professionals, including Paramount Solar and Real Goods Solar (Nasdaq: RSOL), through its licensed online solar sales platform, CPF Tools. CPF Tools is software-as-a-service that simplifies complex sales, quoting, proposal and finance processes and minimizes the “soft costs” of selling solar.CPF’s fund investors earn favorable returns on stable investments on the resulting portfolios of residential distributed generation projects. The company’s solar professional partners gain access to solar leases and power purchase agreements (PPAs) that they can brand and sell to homeowners who want the benefits of solar without the cost and hassle of owning and maintaining a system.CPF manages approximately half a billion dollars of capacity on behalf of fund investors, and supports more than 100 solar professional customers who currently use the CPF Market to sell residential solar finance products to homeowners in CA, CO, HI, MA and NJ. Thousands of solar professionals in all 50 states have extensively used CPF Tools to quote and design solar systems.
  • Magnetic Insight — Magnetic Insight (MI) introduced magnetic particle imaging into the preclinical diagnostic research market enabling quantitative cell tracking, imaging of vascular function, detecting metastatic tumors, visualizing inflammation, CAR-T cell therapies and initial research into regenerative medicine.
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Energy Impact Partners
VC Fund · New York, New York, United States · 38 investments in United States Climate startups, 19 in the past 12 months

Energy Impact Partners LP (EIP) is a global venture capital firm leading the transition to a sustainable future. EIP brings together entrepreneurs and the world's most forward-looking energy and industrial companies to advance innovation. With over $2.5 billion in assets under management, EIP invests globally across venture, growth, credit,and infrastructure.

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Investment focus

  • Industry: Software, Energy, Renewable Energy
  • Stage:Series A, Series B, Series C
  • Geography: United States, Canada, United Kingdom

Investor stats

  • Total investments: 217
  • Round size: Series A $8.8M–$33M; Series B $15M–$100M; Series C $23M–$110M
  • Lead/follow: 51% lead, 49% follow
  • Last fund: Likely actively investing — fresh fund, raised $1.4B in 2025

Portfolio highlights

  • CivilGrid — CivilGrid centralizes utility, environmental, geotechnical, and other site data in a SaaS platform where your teams can collaboratively scope and plan projects.
  • Voya Energy — Voya is unleashing the power of metal fuels to rapidly deliver reliable, clean, affordable electricity anywhere on Earth.
  • Reframe Systems — Robotic microfactories for building net-zero homes 2x faster, 2x cheaper with 10x lower carbon
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Everywhere Ventures
VC Fund · New York, New York, United States · 37 investments in United States Climate startups

Everywhere Ventures is a global pre-seed venture capital fund for founders, by founders. Click to read Everywhere VC, by Everywhere Ventures, a Substack publication with tens of thousands of subscribers.

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Investment focus

  • Industry: Software, Health Care, FinTech
  • Stage:Pre-Seed, Seed, Series A
  • Geography: United States, Australia, India

Investor stats

  • Total investments: 1303
  • Round size: Seed $1M–$6.5M; Pre-Seed $250k–$2.5M; Series A $6M–$20M
  • Lead/follow: 2% lead, 98% follow
  • Last fund: Likely actively investing — fresh fund, raised $4.4M in 2026

Portfolio highlights

  • Donna — Meet Donna, the AI assistant built for field sales teams. Save time, cut admin, and close more deals with less effort.
  • Keebler Health — AI-Enabled Coding for Medical Billing Teams
  • Neurometric AI — Making Intelligence Free | https://t.co/ZxWxeMBJt2 | https://t.co/W8nlLqYwQi
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Powerhouse Ventures
VC Fund · Oakland, California, United States · 36 investments in United States Climate startups

Powerhouse Ventures backs entrepreneurs building the digital infrastructure for rapid decarbonization.

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Investment focus

  • Industry: Software, Energy, Solar
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, Canada, United Kingdom

Investor stats

  • Total investments: 80
  • Round size: Seed $1.1M–$5M; Pre-Seed $1.1M–$1.5M; Series A $3.3M–$30M
  • Lead/follow: 14% lead, 86% follow
  • Last fund: Likely still investing — raised $70M in 2022

Portfolio highlights

  • CVector — Stream, model, and act on your energy and industrial data in real time. CVector unifies asset and market data so you can make faster, smarter project decisions.
  • ThinkLabs AI — ThinkLabs AI is a specialist AI development and deployment firm. Its mission is to empower critical industries and infrastructure with trustworthy AI towards global energy sustainability.
  • TrustBridge.GG — The premier platform for competitive PlayStation gaming with secure escrow-based competitive gaming. Put your gaming skills to the test and earn real money on the most secure PlayStation competitive gaming platform.
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SBXi
VC Fund · Cambridge, Massachusetts, United States · 35 investments in United States Climate startups

SBXi is jointly sponsored by nine firms. We offer equity funding for MIT founders who are working on a term sheet with a lead investor.

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Investment focus

  • Industry: Artificial Intelligence, Software, Information Technology
  • Stage:Pre-Seed, Seed, Venture - Series Unknown
  • Geography: United States, India, Mexico

Investor stats

  • Total investments: 197
  • Round size: Seed $150k–$7M; Pre-Seed $100k–$1.5M; Venture - Series Unknown $3M–$6.8M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • LineWise — LineWise, a Y Combinator-backed startup, helps manufacturers maximize production uptime. We use AI to diagnose machine failures, accelerate troubleshooting
  • zeroRISC — ZeroRISC operates as a stealth start-up making hardware security foundations transparent and trustworthy.
  • Autonomous Cyber — Autonomous Cyber is an artificial intelligence platform for cybersecurity solutions.
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Advantage Capital
VC Fund · New Orleans, Louisiana, United States · 35 investments in United States Climate startups

Advantage Capital has invested over $3.8 billion in more than 800 portfolio companies and projects nationwide since 1992. The firm specializes in growth equity, lending, and mezzanine debt capital investments spanning three distinct but complementary themes, driving local economic development and lasting impact in underserved communities.____________________Growing Small Business // 800+ PORTFOLIO COMPANIES // 34 STATES // 66,000+ JOBS SUPPORTED // Small businesses and the entrepreneurs who power them are fundamental to the U.S. economy, driving inclusive economic expansion that allows people and communities to thrive. Advantage Capital offers debt and equity investment opportunities and can provide senior, unitranche and subordinated debt, as well as minority equity financing. The firm invests in companies from a diverse array of industry sectors, including manufacturing, technology and business services, among others. It seeks to make an initial investment between $500K and $10M in companies with $1M+ EBITDA.Financing Affordable Homes // 89 PROJECTS SINCE 2015 // 8,000+ FAMILIES & SENIORS HOUSED // 7 STATES // Creating stronger communities goes beyond business investment and jobs. Financing housing in these same communities creates even more positive and lasting impacts.Expanding Renewable Energy Solutions // $130M IN CAPITAL DEPLOYED // 65 PROJECTS // 20,000+ HOMES POWERED // Increased access to renewable energy supports local green jobs and economic development while building the framework for tomorrow's carbon-free America. ____________________Geographic Focus: Advantage Capital is committed to impact nationwide, with current emphasis in the following states: Alabama, Arkansas, Connecticut, Florida, Georgia, Illinois, Kansas, Kentucky, Louisiana, Michigan, Mississippi, Missouri, Nebraska, Nevada, New Mexico, Ohio, Pennsylvania, Tennessee, Texas, Utah, Virginia, West Virginia____________________Advantage Capital is headquartered in New Orleans, Louisiana and has offices in the following locations: St. Louis, MO; New York, NY; Austin, TX; Hanover, NH; Washington, D.C.; Napa, CA; Nevada.

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Investment focus

  • Industry: Manufacturing, Food and Beverage, Software
  • Stage:Debt Financing, Series A, Venture - Series Unknown
  • Geography: United States, China, Canada

Investor stats

  • Total investments: 510
  • Round size: Series A $2.4M–$14M; Debt Financing $310k–$12M; Venture - Series Unknown $1.3M–$21M
  • Lead/follow: 17% lead, 83% follow
  • Last fund: May invest from a new fund soon — raised $55M in 2009

Portfolio highlights

  • Umecc — UMECC supplies high-quality metallurgical equipment, spare parts, and refractories for steel mills. Global expertise delivered locally with engineering support.
  • Juristat — Juristat patent analytics and workflow automation tools help IP professionals streamline prosecution tasks and make strategic, data-driven business decisions.
  • Gravity Diagnostics — Gravity Diagnostics is a full-service state-of-the-art CLIA laboratory licensed in all 50 states providing innovative laboratory testing in the areas of COVID-19, Upper Respiratory, Toxicology, Pharmacogenomics, and Sexually Transmitted Infections. We are an advocate for physicians, patients, and our communities, supporting them with unsurpassedintegrity, regulatory compliance, and clinical expertise.
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New Enterprise Associates
VC Fund · Menlo Park, California, United States · 35 investments in United States Climate startups

Foundational partners to ambitious founders at every stage of company-building.

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Investment focus

  • Industry: Software, Health Care, Biotechnology
  • Stage:Series A, Series B, Series C
  • Geography: United States, India, United Kingdom

Investor stats

  • Total investments: 1995
  • Round size: Series A $6M–$55M; Series B $10M–$90M; Series C $15M–$103M
  • Lead/follow: 38% lead, 62% follow
  • Last fund: Likely still investing — raised $468M in 2024

Portfolio highlights

  • Zyngenia —
  • Radiology Partners — Radiology Partners is the leading radiology practice in the U.S., consisting of a network of of radiology practices serving hospitals and other healthcare facilities across the nation.
  • Sportsrocket — Sportsrocket is a New York-based company working to give sports fans access to live games and events, highlights, and shows. The company works with leading leagues, publishers, and rights-holders, including Major League Soccer, the PGA Tour, Scout Media, and AS Roma, to create and power customized OTT platforms. Incubated by Bedrocket MediaVentures, Sportsrocket's innovative approach is based on a proprietary sports media operating system, that offers an integrated solution for the production, distribution, management, and monetization of sports media across all platforms.
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Keiretsu Capital
VC Fund · Seattle, Washington, United States · 34 investments in United States Climate startups

Keiretsu Capital LLC is an affiliate of the World's Leading Angel Network, Keiretsu Forum, and manages funds which enable limited partners to co-invest in the proprietary deal flow of the angel investors.

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Investment focus

  • Industry: Health Care, Biotechnology, Software
  • Stage:Series A, Convertible Note, Seed
  • Geography: United States, Canada, India

Investor stats

  • Total investments: 282
  • Round size: Seed $400k–$2.5M; Series A $811k–$12M; Convertible Note $50k–$3M
  • Lead/follow: 1% lead, 99% follow
  • Last fund: Likely still investing — raised $3.7M in 2022

Portfolio highlights

  • MiClient — Miclient are deal closure platform which was founded by experienced sales leaders who recognized the need for a new generation of complicated quote configuration, contract signing, renewal & payment collection at one place for SMEs, Lead Management System, B2B SaaS, CRM software, CPQ (Configure- Price- Quote)
  • Healionics — Healionics aims to provide safer, more reliable means of bloodstream access for dialysis in patients with kidney failure.
  • NuvOx Therapeutics — NuvOx Pharma is a clinical stage biotech company developing an innovative platform of oxygen therapeutics to treat life-threatening diseases where hypoxia plays a role.
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Bossa Invest
VC Fund · São Paulo, Sao Paulo, Brazil · 34 investments in United States Climate startups, 29 in the past 12 months

Aprenda a Investir em Startups

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Investment focus

  • Industry: Software, Information Technology, Financial Services
  • Stage:Seed, Pre-Seed, Venture - Series Unknown
  • Geography: United States, Brazil, Mexico

Investor stats

  • Total investments: 2084
  • Round size: Seed $176k–$5.8M; Pre-Seed $49k–$2M; Venture - Series Unknown $632k–$36M
  • Lead/follow: 3% lead, 97% follow
  • Last fund: Likely actively investing — fund raised in 2025

Portfolio highlights

  • FFID — FFID develops AI chatbot platform automating customer communication, lead generation, and marketing workflows.
  • Sandwiche — Sandwiche creates customizable link in bio pages enabling social media monetization and affiliate marketing management.
  • Ambar Technologies — Ambar is a construction tech company that is focused on addressing the Affordable Housing Challenge. Ambar is a leading construction technology company in Latin America. Tech Company focused on addressing the Affordable Housing Challenge. Ambar integrates the Housing Journey into 4 steps, Design, Supply, Assembly, and Living.
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Good Growth Capital
VC Fund · Charleston, South Carolina, United States · 34 investments in United States Climate startups

Good Growth Capital is an early-stage venture capital firm known for its expertise in finding, assessing and cultivating complex science and technology.

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Investment focus

  • Industry: Health Care, Biotechnology, Software
  • Stage:Seed, Series A, Convertible Note
  • Geography: United States, France, Israel

Investor stats

  • Total investments: 130
  • Round size: Seed $505k–$8.2M; Series A $4.2M–$24M; Convertible Note $25k–$300k
  • Lead/follow: 35% lead, 65% follow
  • Last fund: Likely still investing — raised $43M in 2023

Portfolio highlights

  • Ateios — Ateios is enabling a new generation of thin and flexible electronics with our ultra-thin, conformable, and customizable batteries. The company's current focus is zinc-oxide batteries, that achieve 2-5x higher energy density compared to coin cells. Ateios’ novel manufacturing process allows customizable batteries that can be shaped around theneeds of the product.The company was founded in 2018.
  • Obsidio — Obsidio™ Conformable Embolic with aqueous gel technology is a 510(k) cleared device, the first of its kind to have a specific on-label indication for peripheral use in the U.S.
  • Avisi Technologies — Avisi Technologies is developing a nanotechnology-enabled defense against blindness from glaucoma.
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Boost VC
VC Fund · San Mateo, California, United States · 33 investments in United States Climate startups, 20 in the past 12 months

Boost VC: The Pre-Seed Fund Making Sci-FI a Reality. Investing in crypto, virtual reality, augmented reality, AI, Ocean Tech, Space Tech, human augmentation, exoskeletons and more.

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Investment focus

  • Industry: Software, Artificial Intelligence, Virtual Reality
  • Stage:Seed, Pre-Seed, Venture - Series Unknown
  • Geography: United States, Canada, United Kingdom

Investor stats

  • Total investments: 408
  • Round size: Seed $217k–$6.1M; Pre-Seed $100k–$2.6M; Venture - Series Unknown $620k–$8.9M
  • Lead/follow: 15% lead, 85% follow
  • Last fund: Likely actively investing — fresh fund, raised $88M in 2025

Portfolio highlights

  • Claryx — The hospital immune system. Claryx detects each infection, traces how it's spreading, recommends a response, and confirms that it's gone.
  • SkinBit — SkinBit is a healthtech company that develops AI-powered skin cancer detection, digital mapping, and health monitoring solutions.
  • Elita — Store your dog's stem cells with Elita. One-time opportunity to protect their future health and avoid costly surgeries later in life.
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New York Ventures
VC Fund · New York, New York, United States · 33 investments in United States Climate startups

New York Ventures is dedicated to encouraging innovation and fueling economic growth in communities across the State. This venture capital investment arm of Empire State Development is one of New York State's business resources and innovation investments, including the Governor's START-UP NY program, Innovation Hot Spots, the RegionalEconomic Development Councils, the Centers of Advanced Technology and Centers of Excellence networks, and the SUNY 2020 Initiative.

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Investment focus

  • Industry: Health Care, Biotechnology, Software
  • Stage:Seed, Series A, Series B
  • Geography: United States, Canada, Israel

Investor stats

  • Total investments: 158
  • Round size: Seed $1M–$6.2M; Series A $3M–$20M; Series B $4M–$53M
  • Lead/follow: 5% lead, 95% follow

Portfolio highlights

  • Adro — Designed to work when you arrive Spend and save like a local. Easy to use. No unfair fees.
  • BQP — At BQP, we’re developing a quantum-accelerated digital twin platform for mission-critical applications. The platform, BQPhy, is a back-end engine that integrates seamlessly into existing engineering workflows and operates on today’s infrastructure without requiring quantum hardware. BQPhy helps teams solve large-scale, complex challenges inengineering optimization, data-driven modeling (ML), and physics-based (CFD) simulations. We are bridging the gap between current high-performance computers and future quantum systems with probabilistic algorithms from quantum information science, unlocking simulation capabilities that were previously impractical or impossible. BQPhy reduces time, accuracy, and throughput inefficiencies, thereby accelerating development cycles, unlocking previously unexplored design spaces, lowering costs, and enhancing product outcomes.
  • CryoBio — CryoBio offers a food-safe spray solution to protect crops from extreme frost, reducing losses and replacing manual labor with effective, biodegradable frost protection technology.
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Mark Cuban
Angel · Dallas, Texas, United States · 33 investments in United States Climate startups, 11 in the past 12 months

Mark Cuban is the founder of Fireside, Chairman and Founding Partner of AXS TV, and the Owner of Dallas Mavericks. He previously worked at Broadcast.com as a Co-Founder. Mark Cuban attended the Indiana University Bloomington.

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Investment focus

  • Industry: Software, Artificial Intelligence, Blockchain
  • Stage:Seed, Series A, Angel
  • Geography: United States, United Kingdom, Canada

Investor stats

  • Total investments: 253
  • Round size: Seed $600k–$8.5M; Angel $200k–$900k; Series A $3.2M–$23M
  • Lead/follow: 23% lead, 77% follow

Portfolio highlights

  • Payam Music — Payam Music is where students fall in love with piano. Not only do they have fun but they win competitions. Endorsed by composer Hans Zimmer. Sign up for a trial in-person or online lesson!
  • Kind Designs — Kind Designs is a trusted 3D Printed seawall contractor in Miami offering custom seawall construction, shoreline protection, erosion control solutions.
  • The Athletics — The Athletics franchise is a professional spectator sports organization that operates a Major League Baseball club. The company manages athletic team rosters, player scouting, talent development, and medical staff for its baseball operations. It coordinates live event production, stadium technology, corporate sponsorships, and ticket saleslogistics for professional games. Additionally, the business oversees regional television, radio, and streaming broadcast infrastructure to distribute sports media content.
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Grantham Foundation
VC Fund · Boston, Massachusetts, United States · 32 investments in United States Climate startups

Grantham Foundation seeks to protect and improve the health of global environmental issues and supports individuals and organizations. It also supports communication and collaboration in environmental protection, with an emphasis on climate change.The foundation focuses on communications to enable the general public to understand that climatechange represents the world’s primary environmental threat today and that mitigating and adapting to a changing climate will lead to a more sustainable and prosperous future.Grantham Foundation was founded in 1997 by Jeremy and Hannelore Grantham and is based in Boston, Massachusetts, USA.

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Investment focus

  • Industry: Energy, Biotechnology, Agriculture
  • Stage:Seed, Series A, Venture - Series Unknown
  • Geography: United States, United Kingdom, Canada

Investor stats

  • Total investments: 89
  • Round size: Seed $1.7M–$13M; Series A $5M–$38M; Venture - Series Unknown $4.7M–$36M
  • Lead/follow: 27% lead, 73% follow

Portfolio highlights

  • Via Separations — Process intensification For today's industries. Do More. With Less. info@viaseparations.com
  • Quercus Biosolutions — Bringing the power of genAI to crop protection.
  • Hephae Energy Technology — Enabling Next-Generation Geothermal with Ultra High Temperature Robotics to support the life cycle of the geothermal energy transition.
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FJ Labs
VC Fund · New York, New York, United States · 32 investments in United States Climate startups

FJ Labs is a stage-agnostic investment firm that focuses on marketplaces and consumer facing startups.

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Investment focus

  • Industry: Software, E-Commerce, Financial Services
  • Stage:Seed, Series A, Series B
  • Geography: United States, Brazil, United Kingdom

Investor stats

  • Total investments: 1781
  • Round size: Seed $1.2M–$9.5M; Series A $5M–$30M; Series B $10M–$65M
  • Lead/follow: 3% lead, 97% follow
  • Last fund: May invest from a new fund soon — raised $5.5M in 2016

Portfolio highlights

  • HUNTY — HUNTY is a platform that help people find jobs by connecting them with world class mentors who prepare them for the job search process. And people only pay when they get hired.
  • Lastro — Lastro is building Lais, an autonomous AI worker for real estate agencies, starting in Brazil. Our AI agent initially automated lead engagement and qualification via WhatsApp, helping brokerages boost revenue and improve marketing ROI. In each brokerage, Lais acts as a personalized AI “team member” that engages with leads instantly, searches forproperties and answers common inquiries. Brokerages that have Lais in their teams are growing quickly and reporting up to 60% increases in lead conversion rates.
  • Odyssey — Discover how Odyssey Energy Solutions unblocks bottlenecks in DRE project development. Access diverse financing, procure equipment efficiently, and remotely monitor system performance. Join over 2000 renewable energy companies that use Odyssey to scale. Get in touch today.
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Houston Angel Network
VC Fund · Houston, Texas, United States · 32 investments in United States Climate startups

The Houston Angel Network (HAN) is a nonprofit organization dedicated to developing the innovation ecosystem in Houston, Texas by supporting founders and startups with financial resources and mentorship.

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Investment focus

  • Industry: Health Care, Software, Medical
  • Stage:Seed, Series A, Venture - Series Unknown
  • Geography: United States, Canada, France

Investor stats

  • Total investments: 134
  • Round size: Seed $25k–$1.6M; Series A $240k–$7M; Venture - Series Unknown $50k–$5M
  • Lead/follow: 8% lead, 92% follow
  • Last fund: May invest from a new fund soon — raised $5M in 2012

Portfolio highlights

  • Monster Mosquito — Monster Mosquito focuses on providing all-natural mosquito sentry repellent systems for its clients. The company also develops a biodegradable compound insecticide to exterminate biting insects.Monster Mosquito uses mosquito mist systems, which contains pyrethrum, a natural mosquito killer made from chrysanthemums. The company was founded in 2002by Kemper Modlin and Leo Niekerk.It is based in Spring, Texas.
  • Davidson Instruments — Davidson has designed and developed innovative temperature-tolerant pressure measurement instrumentation that is rugged, immune to electromagnetic interference, and intrinsically-safe based on patented fiber optic sensing technology. The instrumentation has been proven through numerous installations with over one million hours of time inservice. Davidson's products include instruments for making high resolution static pressure measurements and others for making high speed dynamic pressure measurements.
  • OrthoAccel Technologies — Straighten Your Smile Faster With AcceleDent SoftPulse Technology. Simple To Use, Allowing Braces To Feel More Comfortable With Only 20 Minutes Daily Use!
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Sequoia Capital
VC Fund · Menlo Park, California, United States · 30 investments in United States Climate startups

We help the daring build We help the daring build legendary companies from idea to IPO and beyond. companies.

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Investment focus

  • Industry: Software, Information Technology, Artificial Intelligence
  • Stage:Series A, Series B, Series C
  • Geography: United States, China, India

Investor stats

  • Total investments: 2067
  • Round size: Series A $6.4M–$50M; Series B $11M–$100M; Series C $12M–$230M
  • Lead/follow: 39% lead, 61% follow
  • Last fund: May invest from a new fund soon — raised $65M in 2018

Portfolio highlights

  • Medallion — Provider credentialing and enrollment reimagined. Accelerate time-to-revenue, stay compliant, and scale provider operations, without adding headcount, through automated credentialing and enrollment.
  • Faire — Faire helps local stores discover and try thousands of unique items risk-free.
  • Faire — A wholesale technology platform empowering brands and retailers to strengthen the unique character of local communities.
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Climate Investor funding in United States at a glance

Stats across 28k deals from 16k investors.

16k
investors
in United States Climate startups
28k
deals
in United States Climate startups
$4M
median round
in United States Climate startups
43%
lead investors
lead at least one round
20%
Grant
most common funding stage
82/18
VC / Angel
share of investor count

Access all 16453 investors in United States Climate startups.

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