# Top 50 CleanTech VC (Venture Capital) Funds in United States in May 2026

## 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.

## Collaborative Fund
- Type: VC Fund
- Location: New York, New York, United States
- Relevant deals: 7
- Stages: Seed, Series A
- Focus: Food and Beverage, Health Care, Software

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

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

Khosla Ventures invests in companies that are bold, early and impactful. The firm was started in 2004 by Vinod Khosla, co-founder of Sun Microsystems, to provide venture assistance to entrepreneurs. Headquartered in Menlo Park, Calif., Khosla Ventures invests in a range of areas including AI, climate, sustainability, enterprise, consumer, fintech,digital health, medtech and diagnostics, therapeutics and frontier technology.

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

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 (EIP) is a collaborative strategic investment firm that invests in companies optimizing energy consumption and improving sustainable energy generation. Through close collaboration with its strategic investor base, EIP seeks to bring the best companies, buying power and vision in the industry to bear on the emerging energy landscape.

## Breakthrough Energy Ventures
- Type: VC Fund
- Location: Paris, Ile-de-France, France
- Relevant deals: 6
- 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.

## 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.

## Social Capital
- Type: VC Fund
- Location: Palo Alto, California, United States
- Relevant deals: 5
- Stages: Seed, Series A, Series B
- Focus: Software, FinTech, SaaS

At Social Capital, we make big bets on transformational ideas, technology, and people.

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

We are enterprise software experts. We look to co-invest with strong leads, bringing our network of coinvestors and next round investors as well as enterprise software expertise to add value. We see ourselves as partners who can fill out a round quickly and be a positive influence, and non-competitive as we don't lead or take significantstakes in our portfolio companies. We generally write a small check into rounds of $750k-$3M that are mostly full, being low pain-in-the-ass to entrepreneurs compared to relatively high value add. Having been entrepreneurs, we know that's the most important part.While we'll invest anywhere in the US, we love "second tier markets" that can still support major exits but attract relatively less venture funding: Chicago, Toronto, DC, Baltimore, Atlanta, etc etc!

## 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.

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

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

## Climate Capital
- Type: VC Fund
- Location: San Francisco, California, United States
- Relevant deals: 5
- Stages: Seed, Pre-Seed, Series A
- Focus: Sustainability, Manufacturing, Biotechnology

Climate Capital is an investment firm that supports companies that directly or indirectly reduce global greenhouse gas emissions.

## Shell Ventures
- Type: VC Fund
- Location: Rijswijk, Zuid-Holland, The Netherlands
- Relevant deals: 5
- 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.

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

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

## Powerhouse Ventures
- Type: VC Fund
- Location: Oakland, California, United States
- Relevant deals: 5
- Stages: Seed, Series A, Pre-Seed
- Focus: Software, Energy, Solar

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

## 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.

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

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

## Clean Energy Venture Group
- Type: VC Fund
- Location: Brookline, Massachusetts, United States
- Relevant deals: 4
- Stages: Series A, Seed
- 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.

## 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.

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

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

## Central Texas Angel Network
- Type: VC Fund
- Location: Austin, Texas, United States
- Relevant deals: 4
- Stages: Seed, Series A
- Focus: Software, Health Care, Biotechnology

The Central Texas Angel Network (CTAN) is dedicated to providing quality early-stage investment opportunities for accredited Central Texas angel investors and to assisting entrepreneurs and early-stage growth companies by being a quality source of funding, information, networking, advisors and educational resources.

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

Cottonwood Technology Fund is an early-stage venture capital fund that primarily invests in technology-driven companies.

## SE Ventures
- Type: VC Fund
- Location: Menlo Park, California, United States
- Relevant deals: 4
- Stages: Series B, Series A
- Focus: Energy, Manufacturing, Internet of Things

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

## 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.

## Climate Pledge Fund
- Type: VC Fund
- Relevant deals: 4
- Stages: Series A, Series B
- Focus: CleanTech, Energy, Manufacturing

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.

## 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.

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

We are deep tech venture capital.

## 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.

## KB Partners
- Type: VC Fund
- Location: Highland Park, Illinois, United States
- Relevant deals: 3
- Stages: Seed, Series A
- Focus: Sports, Software, Information Technology

We invest in passionate innovators at the intersection of sports and technology.

## Stanley Ventures
- Type: VC Fund
- Location: Atlanta, Georgia, United States
- Relevant deals: 3
- Stages: Seed, Series A
- Focus: Manufacturing, Robotics, 3D Printing

Stanley Ventures invests in innovative startups and provides industry expertise, supplier relationships, and access to customers. The firm is the corporate venture capital arm of Stanley Black & Decker. It was established in 2016 and is based in Atlanta, Georgia, United States.

## Hess Corporation
- Type: VC Fund
- Location: New York, New York, United States
- Relevant deals: 3
- 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.

## Wonder Ventures
- Type: VC Fund
- Location: Santa Monica, California, United States
- Relevant deals: 3
- Stages: Seed, Pre-Seed, Series A
- Focus: Software, Health Care, Internet

Wonder Ventures invests in entrepreneurs who have great ideas. Who build the world’s most innovative technology companies in order to address the world’s toughest challenges. Who think of long-term solutions that span generations.We are based in Santa Monica, CA. We actively invest in Los Angeles, New York City, Silicon Valley, Washington D.C.and anywhere great teams are located.

## American Family Insurance Institute for Corporate and Social Impact
- Type: VC Fund
- Location: Madison, Wisconsin, United States
- Relevant deals: 3
- Stages: Seed, Series A, Series B
- Focus: Software, Health Care, Education

Changing the world can't be done alone. We invest in entrepreneurs that are making an impact on their communities and use talent and resources to amplify our investments.

## New Enterprise Associates
- Type: VC Fund
- Location: Menlo Park, California, United States
- Relevant deals: 3
- Stages: Series B, Series A, Series C
- Focus: Software, Health Care, Biotechnology

New Enterprise Associates, Inc. is a global venture capital firm focused on helping entrepreneurs build transformational businesses across multiple stages, sectors, and geographies. With over $19 billion in cumulative committed capital since the firm’s founding in 1977, NEA invests in technology and healthcare companies at all stages in a company’slifecycle, from the seed stage through IPO. The firm's long track record of successful investing includes more than 210 portfolio company IPOs and more than 360 acquisitions.

## Clean Energy Ventures
- Type: VC Fund
- Location: Boston, Massachusetts, United States
- Relevant deals: 3
- Stages: Series A, Seed, Convertible Note
- Focus: Energy, Manufacturing, Renewable Energy

Clean Energy Ventures invests in scalable early-stage climate tech startups and clean energy technologies addressing global climate change.

## Launch NY
- Type: VC Fund
- Location: Buffalo, New York, United States
- Relevant deals: 3
- Stages: Convertible Note, Seed, Series A
- Focus: Health Care, Software, Food and Beverage

Launch NY is a nonprofit venture development organization in Upstate NY. We provide pro bono mentoring and access to risk capital for high-growth startups.

## Austin Ventures
- Type: VC Fund
- Location: Austin, Texas, United States
- Relevant deals: 3
- Stages: Series B, Series A, Series C
- Focus: Software, Enterprise Software, Internet

Austin Ventures is a venture capital and private equity company that specializes in partnering with talented executives and entrepreneurs to build companies.
It was founded in 1984 and headquartered in Austin, Texas.

## Jericho Energy Ventures
- Type: VC Fund
- Location: Vancouver, British Columbia, Canada
- Relevant deals: 3
- Stages: Series A
- Focus: CleanTech, GreenTech, Clean Energy

Jericho Energy Ventures is focused on advancing the low-carbon energy transition with investments in hydrogen technologies, energy storage, carbon capture and new energy systems.

## Tamarack Global
- Type: VC Fund
- Location: New York, New York, United States
- Relevant deals: 3
- Stages: Seed, Series A, Series B
- Focus: Media and Entertainment, Aerospace, Renewable Energy

Tamarack Global operates as an investment firm that invests in new markets and new economies. The frim specializes in the fields of finance, financial services, and hedge funds.

## NEXT Frontier Capital
- Type: VC Fund
- Location: Bozeman, Montana, United States
- Relevant deals: 3
- Stages: Series A, Seed, Series B
- Focus: Software, SaaS, Information Technology

We partner with mission-driven, talented entrepreneurs to build Rocky Mountain technology companies of impact, utility, and value.

## Right Side Capital Management
- Type: VC Fund
- Location: San Francisco, California, United States
- Relevant deals: 3
- Stages: Seed, Pre-Seed, Convertible Note
- Focus: Software, SaaS, Health Care

Right Side Capital Management is a venture capital firm that helps startups build their company. It invests exclusively in the pre-seed round of technology startups and makes 75-100 investment per year. The firms prefers to invest in diversified technology sectors such as the internet and cloud companies.RSCM was established in 2010 and is basedin San Francisco, California.

## E8 Angels
- Type: VC Fund
- Location: Seattle, Washington, United States
- Relevant deals: 3
- Stages: Seed, Series B
- Focus: Information Technology, CleanTech, Information Services

E8 Angels is an angel network investing in clean technology companies. The company's sole focus is on early-stage cleantech companies whose innovations will increase the sustainability and health of the planet. It provides promising early-stage cleantech companies across North America with investment capital and guidance to help achieve marketsuccess and accelerate the transition to a cleaner, healthier, more sustainable, and prosperous planet.E8 Angels was established in 2006 and is headquartered in Seattle, Washington.

## Building Ventures
- Type: VC Fund
- Location: Boston, Massachusetts, United States
- Relevant deals: 3
- Stages: Series A, Seed, Series B
- Focus: Software, Construction, Real Estate

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

## The Engine
- Type: VC Fund
- Location: Cambridge, Massachusetts, United States
- Relevant deals: 3
- Stages: Seed, Series A, Series B
- Focus: Biotechnology, Health Care, Manufacturing

A home for Tough Tech founders.

## Active Impact Investments
- Type: VC Fund
- Location: North Vancouver, British Columbia, Canada
- Relevant deals: 3
- 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.

## Pinnacle Ventures
- Type: VC Fund
- Location: Menlo Park, California, United States
- Relevant deals: 3
- Stages: Series C, Series B, Series D
- Focus: Software, Health Care, Biotechnology

Pinnacle Ventures Home Page

## EnerTech Capital
- Type: VC Fund
- Location: Ambler, Pennsylvania, United States
- Relevant deals: 3
- Stages: Series B, Series C
- Focus: Energy, Software, Manufacturing

EnerTech Capital works hand-in-hand with pioneers and innovators daring to change the world. For 25 years EnerTech’s fundamental focus has been investing and partnering with innovative companies driving informational impact across the energy landscape; with a focus on Mobility, Industry 4.0, and Connected Customer. Since its founding in 1996,EnerTech has made 72 investments and has managed over $500 million in capital commitments. EnerTech works with investors and stakeholders from corporates with growing innovation programs to seasoned investors seeking differentiated opportunities for strategic capital deployment or tailored solutions. EnerTech partners with companies across all stages of enterprise value creation from late development and seed through commercialization and growth. While investment activities are predominantly focused in North America, EnerTech partners with teams globally on an opportunistic basis.

## Impact Engine
- Type: VC Fund
- Location: Chicago, Illinois, United States
- Relevant deals: 3
- Stages: Seed, Series A, Series B
- Focus: Health Care, Education, Software

Impact Engine is a venture capital and private equity firm investing in companies driving positive impact in economic empowerment, education, environmental sustainability, and health.

## My Climate Journey Collective
- Type: VC Fund
- Location: Boston, Massachusetts, United States
- Relevant deals: 3
- Stages: Seed, Series A, Series B
- Focus: Renewable Energy, Energy, Software

My Climate Journey Collective is an early-stage climate tech fund. It seeks to invest in early-stage climate tech startups(primarily pre-seed, seed, and A across a wide range of sectors. Its typical check size is between $100-250k and aims for between 3-5 investments per quarter.

## Sun Mountain Capital
- Type: VC Fund
- Location: Santa Fe, New Mexico, United States
- Relevant deals: 3
- Stages: Series A, Series B, Series C
- Focus: Medical, Health Care, Manufacturing

Sun Mountain Capital is an asset management firm specializing in venture capital and private credit through direct and multi-manager investments.

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