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

| Investor | Relevant Deals | Geography | Stage | Focus |
| --- | --- | --- | --- | --- |
| SOSV | 10 | United States, India, United Kingdom | Seed, Convertible Note, Pre-Seed | Biotechnology, Health Care, Software |
| Third Sphere | 10 | United States, United Kingdom, Israel | Seed, Pre-Seed, Convertible Note | Software, Real Estate, Transportation |
| Breakthrough Energy Ventures | 9 | United States, Canada, France | Series A, Series B | Energy, Renewable Energy, Manufacturing |
| Collaborative Fund | 9 | United States, United Kingdom, South Korea | Seed, Series A | Software, Food and Beverage, Health Care |
| Shell Ventures | 8 | United States, United Kingdom, India | Series A, Series B | Energy, Renewable Energy, Software |
| Rockies Venture Club | 7 | United States, Canada | Seed, Series A, Convertible Note | Software, Health Care, Medical Device |
| Khosla Ventures | 7 | United States, India, United Kingdom | Series A, Series B, Seed | Software, Artificial Intelligence, Health Care |
| Powerhouse Ventures | 7 | United States, Australia, United Kingdom | Seed, Series A, Pre-Seed | Software, Energy, Solar |
| Congruent Ventures | 7 | United States, Canada, United Kingdom | Seed, Series A, Series B | Software, Energy, Robotics |
| Valo Ventures | 7 | United States, United Kingdom, France | Series A, Series B, Seed | Energy, Manufacturing, SaaS |
| Energy Impact Partners | 6 | United States, Canada, United Kingdom | Series A, Series B, Series C | Software, Energy, Renewable Energy |
| Climate Capital | 6 | United States, Canada, Germany | Seed, Pre-Seed, Series A | Energy, Manufacturing, Renewable Energy |
| Alumni Ventures | 6 | United States, United Kingdom, Canada | Seed, Series A, Series B | Software, Artificial Intelligence, Information Technology |
| Central Texas Angel Network | 6 | United States | Seed, Series A | Software, Health Care, Biotechnology |
| Clean Energy Venture Group | 6 | United States, Canada | Seed, Series A | Energy, Renewable Energy, Manufacturing |
| AP Ventures | 5 | United States, France, Norway | Series A, Seed | Energy, Manufacturing, Renewable Energy |
| MCJ | 5 | United States, United Kingdom, Kenya | Seed, Series A, Series B | Renewable Energy, Energy, Software |
| Chrysalix Venture Capital | 5 | United States, Canada, The Netherlands | Series B, Series A | Energy, Manufacturing, Renewable Energy |
| Active Impact Investments | 5 | United States, Canada | Seed, Series A, Pre-Seed | Software, SaaS, CleanTech |
| SaaS Ventures | 5 | United States, Canada, Israel | Seed, Series A, Pre-Seed | Software, SaaS, Information Technology |
| SE Ventures | 5 | United States, Germany, Canada | Series B, Series A | Software, Artificial Intelligence, Energy |
| New York Ventures | 5 | United States, Canada, Israel | Seed, Series A, Series B | Health Care, Biotechnology, Software |
| Blackhorn Ventures | 5 | United States, Canada, United Kingdom | Seed, Series A, Series B | Software, Information Technology, Artificial Intelligence |
| Kleiner Perkins | 5 | United States, China, United Kingdom | Series B, Series A, Series C | Software, Information Technology, Health Care |
| Climate Pledge Fund | 5 | United States, Canada, India | Series A, Series B | Energy, CleanTech, Renewable Energy |
| Dorm Room Fund | 5 | United States, Canada, India | Seed, Pre-Seed, Convertible Note | Software, Health Care, Internet |
| Stout Street Capital | 5 | United States, Canada, India | Seed, Series A | Software, SaaS, Enterprise Software |
| SVG Ventures | 4 | United States, Canada, Ireland | Pre-Seed, Seed | AgTech, Agriculture, Farming |
| Spero Ventures | 4 | United States, Israel | Series A, Seed | Software, Education, Internet |
| Saint-Gobain NOVA | 4 | United States, Germany, Israel | Seed, Series B, Series A | Energy, Software, Construction |
| Horizons Ventures | 4 | United States, United Kingdom, Canada | Series A, Series B, Seed | Biotechnology, Software, Artificial Intelligence |
| Alante Capital | 4 | United States, France | Seed, Series A, Pre-Seed | Fashion, Biotechnology, Retail |
| Wistron Corporation | 4 | United States, Taiwan, Hong Kong | Series A, Seed, Series B | Software, Artificial Intelligence, Machine Learning |
| Building Ventures | 4 | United States, Finland | Series A, Seed, Series B | Software, Construction, Energy |
| Element Partners | 4 | United States, China, Norway | Series A, Series B | Energy, Manufacturing, Renewable Energy |
| Cottonwood Technology Fund | 4 | United States, The Netherlands, Germany | Series A, Series B, Seed | Manufacturing, Health Care, Biotechnology |
| RockPort Capital | 4 | United States, Canada, Norway | Series C, Series B, Series A | Energy, Manufacturing, Software |
| Ground Up Ventures | 4 | United States, Israel, Canada | Seed, Series A, Pre-Seed | Software, E-Commerce, Artificial Intelligence |
| Hess Corporation | 4 | United States | Series A | CleanTech, GreenTech, Clean Energy |
| Grantham Foundation | 4 | United States, United Kingdom, Canada | Seed, Series A | Energy, Biotechnology, Environmental Consulting |
| Ideaship | 4 | United States | Seed, Pre-Seed | Software, Health Care, Information Technology |
| Aligned Climate Capital | 4 | United States, Canada | Series A, Seed | Software, CleanTech, Renewable Energy |
| Good Growth Capital | 4 | United States, France, Israel | Seed, Series A, Convertible Note | Health Care, Biotechnology, Software |
| Firelake Capital Management | 4 | United States | Series A, Series C, Series B | Solar, Energy, Manufacturing |
| City Light Capital | 4 | United States | Seed, Series A, Series B | Health Care, Software, Wellness |
| ONE WORLD Impact Investments LLC | 4 | United States | Seed, Series A, Series B | Education, Health Care, Software |
| DCVC | 4 | United States, Canada, United Kingdom | Seed, Series A, Series B | Software, Artificial Intelligence, Machine Learning |
| Jericho Energy Ventures | 4 | United States | Series A | CleanTech, GreenTech, Clean Energy |
| BoxGroup | 4 | United States, Mexico, Canada | Seed, Series A, Series B | Software, Health Care, Artificial Intelligence |
| Right Side Capital Management | 4 | United States, Canada, United Kingdom | Seed, Pre-Seed, Convertible Note | Software, SaaS, Health Care |

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