Sigma Partners
VC Fund
Boston, United States
Sigma Partners is a venture capital firm, founded in 1984, that has invested in over a hundred early stage companies and has over $2 billion under management. In 2007, it raised $500 million for its most recent fund, named Sigma Partners 8.
- Total investments:
- 264
- Last investment:
- Lead investor:
- 24%
- Fund size:
- $116M
- Last fund:
Last updated:
For AI agents: llms.txt
Industries Sigma Partners invests in
SoftwareEnterprise SoftwareInformation TechnologySaaSInternet
Stages Sigma Partners invests in
Series BSeries CSeries DSeries AFunding Round
Countries Sigma Partners invests in
United StatesChileChinaCanadaFrance
Round sizes
Series B $5M–$20MSeries C $7.1M–$27MSeries D $5M–$24M
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
| See all 10 contacts → | |||
Round size
- Series B
- $5M–$20M
- Series C
- $7.1M–$27M
- Series D
- $5M–$24M
Investment Focus
Industry
- Software 57 (22%)
- Enterprise Software 28 (11%)
- Information Technology 20 (8%)
- SaaS 15 (6%)
- Internet 12 (5%)
Stage
- Series B 62 (23%)
- Series C 45 (17%)
- Series D 34 (13%)
- Series A 29 (11%)
- Funding Round 29 (11%)
Country
- United States 96 (36%)
- Chile 1 (0%)
- China 1 (0%)
- Canada 1 (0%)
- France 1 (0%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Clifford Haas
Managing Director
|
Managing Director | Total investments: 2 | Find email | |
Fahri Diner
Managing Director
|
Managing Director | Total investments: 13 | Find email | |
Gardner C. Hendrie
Partner
|
Partner | Total investments: 0 | Find email | |
Lawrence G. Finch
Managing Director
|
Managing Director | Total investments: 10 | Find email | |
Wade Woodson
Managing Director
|
Managing Director | Total investments: 3 | Find email | |
| See all 10 team members → | ||||
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Doxo is an all-in-one bill pay service that facilitates secure payment to any biller with any payment method on any device. It currently serves over 7 million users who make payments to 120k local and national businesses, making doxo the largest bill pay directory in the nation. Billers on the network get paid directly and consumers have completebills pay independence over when and how they pay their bills. The company more than doubled its customer base in 2018 and is expanding its team to further accelerate growth and change the bill pay landscape to focus on the customer. doxo investors include MDV, Sigma Partners, and Bezos Expeditions. | $18.5M / Series C / Mar 16, 2022 | ||
| Driven by millennials, the plant-based foods market is already US$10Bn in size today. And it is projected to be US$25Bn by 2026. Visionaries like Bill Gates, Richard Branson & Leonardo Dicaprio have all invested big. In our pilot market, Chile, Jeff Bezos invested US$30Mn in the Not Co. But, the existing alternatives still use syntheticadditives, highly processed ingredients, and plastic packaging. And, their R&D costs millions of dollars and many years!That is why, at The Live Green Co, we use technology to make plant-based foods tastier, healthier & more sustainable. Our Recommendation Software (Charaka) blends our Ancestral Indian Science of Plant Nutrition and modern Tech, profiles the synthetic, processed & animal additives in our daily food, and recommends 100% natural plant-based Product Formulations... at just a fraction of the R&D cost & time! And, our Proprietary Production Process uses Natural Processing, Frugal Engineering & Circular Economy principles to cut down pollution, and usage of energy, land & water by more than 50%.It is no more about a few people following a sustainable lifestyle perfectly. It is about millions doing it, even if imperfectly. | Seed / May 21, 2021 | ||
| aPriori is a provider of digital manufacturing simulation software. By leveraging the digital twin with our digital factories, they automatically generate design for manufacturability (DFM) and design to cost (DTC) insights, helping manufacturers collaborate across the product development process to make better design, sourcing and manufacturingdecisions, drive product costs lower, and create higher value products in less time.aPriori also provides discrete manufacturers and product innovation companies with the most technologically advanced and comprehensive product cost management software and service solutions available on the market today. These solutions fundamentally change the way companies calculate and manage product costs, enabling more informed design, manufacturing, and sourcing decisions that drive significant cost out of products, both pre- and post-production. | $26.8M / Series C / Sep 10, 2019 | ||
| Tula is driven by an overriding passion to increase efficiency and improve the environment. With more than 320 patents for multiple technologies issued or pending – and a combined 450 years of engineering work behind them – we’re focused primarily on applications for passenger automobiles and commercial heavy-duty trucks powered by gasoline,diesel, alternative fuels and electricity. Our approach to improving efficiency really sets us apart. We come at it with software solutions, not hardware, and we deliver proven results with one million vehicles on the road using our technologies to decrease harmful emissions and increase fuel savings. But we’re not stopping there. We’re exploring efficiency in other means of mobility, robotics, e-aviation and industrial machinery. Tula drives efficiency. | Series E / Aug 17, 2017 | ||
| Every growth story begins with a spark—a moment when a team sees what’s possible and decides to chase it. Demandbase was built to fuel those moments.We saw revenue teams drowning in data, guessing at their next move, and struggling to create predictable pipeline. So we set out to build a platform that brings everything into focus. Today,Demandbase is the trusted pipeline AI platform that helps GTM teams understand their market, know where to aim, and act with purpose.Our technology turns complexity into clarity. It connects millions of data points into a single, meaningful view of buyers and accounts—helping companies target smarter, engage more authentically, and grow with intention.At our core, we believe meaningful growth isn’t just about bigger numbers. It’s about empowering the people behind them to do their best, most impactful work. That’s the story we’re here to help write.Products: Demandbase One, Demandbase Advertising Cloud, Demandbase Account Intelligence, and Demandbase Orchestration. | $65M / Series H / May 25, 2017 | ||
| Rethink Robotics helps manufacturers meet the challenges of an agile economy with an integrated workforce, combining trainable, safe and cost-effective robots with skilled labor. Its Baxter robot, driven by Intera, an advanced software platform, gives world-class manufacturers and distributors in automotive, plastics, consumer goods, electronicsand more, a workforce multiplier that optimizes labor. With Rethink Robotics, manufacturers increase flexibility, lower costs and can invest in skilled labor—all advantages in fueling continuous innovation and sustainable competitive advantage. Committed to accelerating robotics innovation in manufacturing and beyond, Rethink Robotics’ Baxter Research Robot gives academic and corporate research environments a humanoid robot platform with integrated sensors and an open software development kit for creating custom applications. Based in Boston, Massachusetts, the company is funded by Bezos Expeditions, Charles River Ventures, Highland Capital Partners, Sigma Partners, Draper Fisher Jurvetson, and Two Sigma Ventures. | $18M / Series E / Jan 05, 2017 | ||
| Nasuni enables organizations to store, protect, synchronize and collaborate on files across all locations at scale. Nasuni Cloud File Services™, powered by the Nasuni UniFS® global file system, leverages cloud storage to modernize primary NAS and file server storage; archiving; backup; and disaster recovery, while offering transformational newcapabilities for multi-site file sharing. By combining the low cost, unlimited capacity, and durability of object storage from leading cloud vendors such as Amazon, Azure, Dell EMC, and IBM, with the high performance, security, and broad application compatibility of traditional file storage, the Nasuni subscription service improves workforce productivity, simplifies IT operations, and reduces IT costs. The world’s largest companies in 12 industry sectors rely on Nasuni to maximize the business value of their file data and ensure business continuity. | $17.5M / Series E / Dec 13, 2016 | ||
| Welltok is a data-driven, enterprise SaaS company that delivers the healthcare industry’s leading consumer activation platform. Welltok’s solutions empower health plans, employers, providers, and public entities to connect consumers with personalized health improvement resources, making it easy and rewarding for consumers to complete actions thatoptimize their health and wellbeing. The company was founded in 2009 and headquartered in Denver, Colorado. | $33.7M / Series E / Oct 05, 2016 | ||
| Interactions develops and markets award-winning natural language understanding technology used by Fortune 500 companies worldwide. Built on its patented Adaptive-Understanding™ technology that seamlessly integrates both human and machine intelligence, Interactions provides highly conversational virtual assistant solutions. Companies such as Hyatt,Best Western, Humana, TXU Energy, Asurion and AllConnect deploy Interactions’ solutions,The company’s sales, service and support solutions are delivered across any device with type, touch or talk capabilities, and have handled more than one billion transactions to date. Rooted in natural speech recognition and built to adapt to human conversation, Interactions’ solutions have delivered cost-savings and increased efficiencies in sales and support for some of the largest companies in the world. Interactions Corporation, founded in 2004, is headquartered in Franklin, Massachusetts and has additional offices located in Bedminster, New Jersey, New York, New York, Indianapolis, Indiana and Austin, Texas. | $56M / Venture - Series Unknown / Aug 09, 2016 | ||
| Kateeva has developed an innovative manufacturing process for OLED. | $88M / Series E / May 19, 2016 | ||
| See all 264 investments → | |||
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FAQ
What does Sigma Partners invest in?
Sigma Partners invests primarily in Software, Enterprise Software and Information Technology startups, most often at Series B and Series C stage. Most of the 264 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Sigma Partners's check size?
Sigma Partners typically joins rounds of $5M–$20M at Series B, $7.1M–$27M at Series C and $5M–$24M at Series D. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Sigma Partners participates in.
How do I contact Sigma Partners?
Public channels for Sigma Partners include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Sigma Partners?
The team at Sigma Partners includes Clifford Haas (Managing Director), Fahri Diner (Managing Director) and Gardner C. Hendrie (Partner), among 10 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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