# Top 50 CleanTech Startup Investors in United States in June 2026

## SOSV
- Type: VC Fund
- Location: Princeton, New Jersey, United States
- Relevant deals: 10
- Stages: Seed, Convertible Note, Pre-Seed
- Focus: Biotechnology, Health Care, Software

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.

## Third Sphere
- Type: VC Fund
- Location: Brooklyn, New York, United States
- Relevant deals: 10
- Stages: Seed, Pre-Seed, Convertible Note
- Focus: Software, Real Estate, Transportation

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

## Breakthrough Energy Ventures
- Type: VC Fund
- Location: Paris, Ile-de-France, France
- Relevant deals: 9
- Stages: Series A, Series B
- Focus: Energy, Renewable Energy, Manufacturing

Focused on developing and deploying the critical climate solutions our world needs to reach net-zero emissions by 2050.

## Collaborative Fund
- Type: VC Fund
- Location: New York, New York, United States
- Relevant deals: 9
- Stages: Seed, Series A
- Focus: Software, Food and Beverage, Health Care

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

## Shell Ventures
- Type: VC Fund
- Location: Rijswijk, Zuid-Holland, The Netherlands
- Relevant deals: 8
- Stages: Series A, Series B
- Focus: Energy, Renewable Energy, Software

Shell Ventures invests in companies to speed up development and deployment of new technologies which complement our business.

## Rockies Venture Club
- Type: VC Fund
- Location: Denver, Colorado, United States
- Relevant deals: 7
- Stages: Seed, Series A, Convertible Note
- Focus: Software, Health Care, Medical Device

Connecting Entrepreneurs and Investors Since 1985.

## Khosla Ventures
- Type: VC Fund
- Location: Menlo Park, California, United States
- Relevant deals: 7
- Stages: Series A, Series B, Seed
- Focus: Software, Artificial Intelligence, Health Care

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.

## Powerhouse Ventures
- Type: VC Fund
- Location: Oakland, California, United States
- Relevant deals: 7
- Stages: Seed, Series A, Pre-Seed
- Focus: Software, Energy, Solar

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

## Congruent Ventures
- Type: VC Fund
- Location: Oakland, California, United States
- Relevant deals: 7
- Stages: Seed, Series A, Series B
- Focus: Software, Energy, Robotics

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.

## Valo Ventures
- Type: VC Fund
- Location: Palo Alto, California, United States
- Relevant deals: 7
- Stages: Series A, Series B, Seed
- Focus: Energy, Manufacturing, SaaS

Valo Ventures is a thesis-driven venture capital firm investing in North America and Europe. Our mission is "investing for a brighter future" and we do this by focusing on four catalyzing megatrends: climate change, circular economy, autonomy and empowered people. We identify and support entrepreneurs who are applying digital technologiesto create long term economic, environmental and social value. Learn more at www.valoventures.org.

## Energy Impact Partners
- Type: VC Fund
- Location: New York, New York, United States
- Relevant deals: 6
- Stages: Series A, Series B, Series C
- Focus: Software, Energy, Renewable Energy

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.

## Climate Capital
- Type: VC Fund
- Location: San Francisco, California, United States
- Relevant deals: 6
- Stages: Seed, Pre-Seed, Series A
- Focus: Energy, Manufacturing, Renewable Energy

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

## Alumni Ventures
- Type: VC Fund
- Location: Manchester, New Hampshire, United States
- Relevant deals: 6
- Stages: Seed, Series A, Series B
- Focus: Software, Artificial Intelligence, Information Technology

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

## Central Texas Angel Network
- Type: VC Fund
- Location: Austin, Texas, United States
- Relevant deals: 6
- Stages: Seed, Series A
- Focus: Software, Health Care, Biotechnology

Are you looking for an experienced venture capital firm in Austin, TX? Look no further than Central Texas Angel Network. Reach out today.

## Clean Energy Venture Group
- Type: VC Fund
- Location: Brookline, Massachusetts, United States
- Relevant deals: 6
- Stages: Seed, Series A
- Focus: Energy, Renewable Energy, Manufacturing

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

## AP Ventures
- Type: VC Fund
- Location: London, England, United Kingdom
- Relevant deals: 5
- Stages: Series A, Seed
- Focus: Energy, Manufacturing, Renewable Energy

AP Ventures invests in pioneering technologies and businesses that harness the unique chemical and physical properties of Platinum Group Metals to solve global challenges.AP Ventures is led by a specialist investment team with proven expertise and a successful track record. We offer investors access to high growth technologies that are developingsolutions to solve global issues.

## MCJ
- Type: VC Fund
- Location: Boston, Massachusetts, United States
- Relevant deals: 5
- Stages: Seed, Series A, Series B
- Focus: Renewable Energy, Energy, Software

MCJ Collective reaches a broad community of people united by the common desire to step up and do something about the climate crisis.

## Chrysalix Venture Capital
- Type: VC Fund
- Location: Vancouver, British Columbia, Canada
- Relevant deals: 5
- Stages: Series B, Series A
- Focus: Energy, Manufacturing, Renewable Energy

Leading global venture capital fund that invests in resource intensive industries across North America and Europe.

## Active Impact Investments
- Type: VC Fund
- Location: North Vancouver, British Columbia, Canada
- Relevant deals: 5
- Stages: Seed, Series A, Pre-Seed
- Focus: Software, SaaS, CleanTech

We support environmental resiliency through profitable investment. We provide capital and talent to accelerate the growth of early-stage climate tech ventures catalyzing the transition from finite to infinite sources of energy, food, water & products.

## SaaS Ventures
- Type: VC Fund
- Location: Washington, District of Columbia, United States
- Relevant deals: 5
- Stages: Seed, Series A, Pre-Seed
- Focus: Software, SaaS, Information Technology

SaaS Ventures is a multi-stage venture capital firm investing in visionary B2B SaaS founders at the earliest stages and alongside proven winners at the later stages by utilizing unused pro-rata rights. 

## SE Ventures
- Type: VC Fund
- Location: Menlo Park, California, United States
- Relevant deals: 5
- Stages: Series B, Series A
- Focus: Software, Artificial Intelligence, Energy

SE Ventures acts as a growth engine for pioneering founders who can benefit from the global customer base and domain expertise of Schneider Electric.

## New York Ventures
- Type: VC Fund
- Location: New York, New York, United States
- Relevant deals: 5
- Stages: Seed, Series A, Series B
- Focus: Health Care, Biotechnology, Software

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.

## Blackhorn Ventures
- Type: VC Fund
- Location: Boulder, Colorado, United States
- Relevant deals: 5
- Stages: Seed, Series A, Series B
- Focus: Software, Information Technology, Artificial Intelligence

Blackhorn Ventures is a collective of experts that invests in companies that are redefining resource efficiency in industrial sectors.

## Kleiner Perkins
- Type: VC Fund
- Location: Menlo Park, California, United States
- Relevant deals: 5
- Stages: Series B, Series A, Series C
- Focus: Software, Information Technology, Health Care

Kleiner Perkins is an American venture capital firm headquartered on Sand Hill Road in Menlo Park in Silicon Valley.

## Climate Pledge Fund
- Type: VC Fund
- Location: Seattle, Washington, United States
- Relevant deals: 5
- Stages: Series A, Series B
- Focus: Energy, CleanTech, Renewable Energy

In June 2020, Amazon announced The Climate Pledge Fund to support the development of sustainable and decarbonizing technologies and services that will enable Amazon and other companies to meet the goals set by The Climate Pledge. This dedicated investment program—with an initial $2 billion in funding—will invest in visionary companies whoseproducts and solutions will facilitate the transition to a low-carbon economy.

## Dorm Room Fund
- Type: VC Fund
- Location: Philadelphia, Pennsylvania, United States
- Relevant deals: 5
- Stages: Seed, Pre-Seed, Convertible Note
- Focus: Software, Health Care, Internet

Building a company as a student is really, really hard. We make it easier by giving you a powerful investor network, world-class mentors, and a $40,000 check.

## Stout Street Capital
- Type: VC Fund
- Location: Denver, Colorado, United States
- Relevant deals: 5
- Stages: Seed, Series A
- Focus: Software, SaaS, Enterprise Software

Colorado Venture capital firm with a focus on early-stage technology companies innovating in software, fin tech, advanced materials, robotics, and AI.

## SVG Ventures
- Type: VC Fund
- Location: Los Gatos, California, United States
- Relevant deals: 4
- Stages: Pre-Seed, Seed
- Focus: AgTech, Agriculture, Farming

We are a Venture & Innovation Platform Advancing the Food & Agriculture Industries We work with leading corporations, startups, universities, and growers to solve the biggest challenges facing the food and agriculture industries.

## Spero Ventures
- Type: VC Fund
- Location: Redwood City, California, United States
- Relevant deals: 4
- Stages: Series A, Seed
- Focus: Software, Education, Internet

Spero Ventures makes venture investments in the things that make life worth living - wellbeing; sustainability; learning, work, and play.

## Saint-Gobain NOVA
- Type: VC Fund
- Location: Courbevoie, Ile-de-France, France
- Relevant deals: 4
- Stages: Seed, Series B, Series A
- Focus: Energy, Software, Construction

Saint-Gobain NOVA is the ventures arm of Saint‑Gobain.

## Horizons Ventures
- Type: VC Fund
- Location: Hong Kong, Hong Kong Island, Hong Kong
- Relevant deals: 4
- Stages: Series A, Series B, Seed
- Focus: Biotechnology, Software, Artificial Intelligence

Investing in the deep science and technology that can propel humanity towards a radically better future.

## Alante Capital
- Type: VC Fund
- Location: Santa Barbara, California, United States
- Relevant deals: 4
- Stages: Seed, Series A, Pre-Seed
- Focus: Fashion, Biotechnology, Retail

    Alante Capital   Investing in the Future of  Sustainable Apparel   Learn More

## Wistron Corporation
- Type: VC Fund
- Location: Taipei, T'ai-pei, Taiwan
- Relevant deals: 4
- Stages: Series A, Seed, Series B
- Focus: Software, Artificial Intelligence, Machine Learning

Wistron Corporation is a technology service provider supplying innovative. 

## Building Ventures
- Type: VC Fund
- Location: Boston, Massachusetts, United States
- Relevant deals: 4
- Stages: Series A, Seed, Series B
- Focus: Software, Construction, Energy

Building Ventures is a venture capital firm based in Boston, MA. We partner with Built Environment entrepreneurs and early-stage startups.

## Element Partners
- Type: VC Fund
- Location: Radnor, Pennsylvania, United States
- Relevant deals: 4
- Stages: Series A, Series B
- Focus: Energy, Manufacturing, Renewable Energy

Element Partners invests exclusively in established high growth companies in the energy and clean technology markets. They specifically focus on companies with innovative solutions to global energy, resource, and environmental problems. Element strives to become a long-term partner with passionate business leaders who have built pioneeringcompanies. They have a long history of providing their companies with the financial resources, industry contacts, and strategic insights necessary to maximize growth and shareholder return.Since 1995, Element’s team has successfully managed over $1.2 billion in capital commitments spanning six investment partnerships. All of these partnerships have been focused on investing in and profitably growing energy, industrial, and environmental related businesses. Over the course of more than fourteen years, the principals of Element have collectively invested in over 100 clean technology companies making Element one of the earliest and most experienced alternative energy and clean technology investors.

## Cottonwood Technology Fund
- Type: VC Fund
- Location: Santa Fe, New Mexico, United States
- Relevant deals: 4
- Stages: Series A, Series B, Seed
- Focus: Manufacturing, Health Care, Biotechnology

Cottonwood Technology Fund is a venture capital firm that focuses on high-tech / deeptech investments. It focuses on investing in patent-based high-tech and hardware startups Sectors: robotics, photonics, optics, nanotech, sensor tech, telecom, automotive, cleantech, green energy, Medtech, chemicals, and advanced materials.The company wasfounded in 2010 and headquartered in New Mexico, United States.

## RockPort Capital
- Type: VC Fund
- Location: Boston, Massachusetts, United States
- Relevant deals: 4
- Stages: Series C, Series B, Series A
- Focus: Energy, Manufacturing, Software

RockPort Capital is a multi-stage venture capital firm that invests in the areas of alternative and traditional energy, mobility, and sustainability. For more than a decade RockPort has partnered with entrepreneurs to foster growth and create value in a broad range of industrial and consumer facing companies whose technologies and products provideinnovative solutions to significant worldwide markets. RockPort has a collaborative approach to investing, deep domain expertise, and insights into all aspects of energy and cleantech. With offices in Boston and Menlo Park, RockPort is globally recognized as being among the largest and most established energy-focused venture capital firms.

## Ground Up Ventures
- Type: VC Fund
- Location: New York, New York, United States
- Relevant deals: 4
- Stages: Seed, Series A, Pre-Seed
- Focus: Software, E-Commerce, Artificial Intelligence

Ground Up Ventures is an early stage venture capital firm investing in pre-seed and seed stage startups in the United States and Israel. 

## Hess Corporation
- Type: VC Fund
- Location: New York, New York, United States
- Relevant deals: 4
- Stages: Series A
- Focus: CleanTech, GreenTech, Clean Energy

Hess Corporation is a leading global independent energy company primarily engaged in the exploration and production of crude oil and natural gas. Hess Corporation has developed apps like Hess Jet and Hess Chopper. This company was founded in 1993.

## Grantham Foundation
- Type: VC Fund
- Location: Boston, Massachusetts, United States
- Relevant deals: 4
- Stages: Seed, Series A
- Focus: Energy, Biotechnology, Environmental Consulting

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.

## Ideaship
- Type: VC Fund
- Location: Portland, Oregon, United States
- Relevant deals: 4
- Stages: Seed, Pre-Seed
- Focus: Software, Health Care, Information Technology

Ideaship maximizes the potential of your enterprise value in relation to fundraising, go-to-market, and liquidity.

## Aligned Climate Capital
- Type: VC Fund
- Location: New York, New York, United States
- Relevant deals: 4
- Stages: Series A, Seed
- Focus: Software, CleanTech, Renewable Energy

Aligned Climate Capital invests in the people, companies, and real assets that are decarbonizing the global economy and its infrastructure. We believe this is an opportunity to generate strong financial returns, while also achieving meaningful environmental and social impact.

## Good Growth Capital
- Type: VC Fund
- Location: Charleston, South Carolina, United States
- Relevant deals: 4
- Stages: Seed, Series A, Convertible Note
- Focus: Health Care, Biotechnology, Software

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

## Firelake Capital Management
- Type: VC Fund
- Location: Palo Alto, California, United States
- Relevant deals: 4
- Stages: Series A, Series C, Series B
- Focus: Solar, Energy, Manufacturing

Firelake Capital Management is a fund with a "hybrid" portfolio of private and public investments in information technology, energy technology, and material science. The public holdings focus on technological innovation and scalability for self-funding. The private companies develop "Edge technologies" to meet futurefundamental needs.

## City Light Capital
- Type: VC Fund
- Location: New York, New York, United States
- Relevant deals: 4
- Stages: Seed, Series A, Series B
- Focus: Health Care, Software, Wellness

City Light is a venture capital firm that invest in impactful companies in the areas of education, safety and care, and the environment.

## ONE WORLD Impact Investments LLC
- Type: VC Fund
- Location: Palo Alto, California, United States
- Relevant deals: 4
- Stages: Seed, Series A, Series B
- Focus: Education, Health Care, Software

ONE WORLD provides training & investment capital to social impact enterprises. The mission of ONE WORLD is to scale social impact and improve the lives of individuals globally. In January 2017, ONE WORLD launched its impact seed fund focused on early-stage for-profit companies that are addressing social or environmental challenges. As ofJanuary 2022, the portfolio has 25 active investments, has participated in 15 follow-on rounds of financing, and has had 2 exits.

## DCVC
- Type: VC Fund
- Location: San Francisco, California, United States
- Relevant deals: 4
- Stages: Seed, Series A, Series B
- Focus: Software, Artificial Intelligence, Machine Learning

We are deep tech venture capital.

## Jericho Energy Ventures
- Type: VC Fund
- Location: Vancouver, British Columbia, Canada
- Relevant deals: 4
- Stages: Series A
- Focus: CleanTech, GreenTech, Clean Energy

Jericho Energy Ventures invests in hydrogen technologies, energy storage, carbon capture, and new energy systems. Their Investments in Low Carbon energy sources, technologies, and applications will aid in the transition away from fossil sources creating a more sustainable future.

## BoxGroup
- Type: VC Fund
- Location: New York, New York, United States
- Relevant deals: 4
- Stages: Seed, Series A, Series B
- Focus: Software, Health Care, Artificial Intelligence

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

## Right Side Capital Management
- Type: VC Fund
- Location: San Francisco, California, United States
- Relevant deals: 4
- Stages: Seed, Pre-Seed, Convertible Note
- Focus: Software, SaaS, Health Care

Systematic Pre-Seed Startup Capital

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