25 VC firms investing in climate & clean energy at the Growth stage.
F4 Fund tracks 25 VC firms that actively invest in climate & clean energy at the Growth stage, with check sizes ranging from $100K – $5000M (median: $10.1M – $10.1M). As of June 2026, and 92% lead or co-lead rounds. Rankings are based on F4's proprietary analysis of 1,355+ researched VC firms, scored by data completeness, portfolio depth, investment recency, and stage alignment.
| # | Firm | Check Size | Portfolio | Leads? | Activity | Decision | Intro |
|---|---|---|---|---|---|---|---|
| 1 | ▶ S2G Ventures Invested at the seams of sector transition. S2G identifies opportunities at critical intersections of food & agriculture, oceans, and energy. The firm backs market-based solutions that deliver both economic returns and systems-level change across interconnected, commodity-driven, policy-sensitive sectors. S2G explicitly rejects siloed investing, instead seeking companies operating within Resource Efficiency, Mass Digitalization, Agile Supply Chains, and Conscious Customer themes. Chicago | $2M – $100M | 41 | Leads | Active | ~2 wks | Open |
| 2 | ▶ Third Nature Third Nature invests in entrepreneurs building businesses that work in partnership with nature to address interconnected earth systems challenges. We believe that silver bullets and singular investments can't solve urgent planetary challenges—instead, we back founders whose uncompromising vision transforms entire markets and sectors for planetary regeneration. Philadelphia | $100K – $5M | 13 | Both | Active | ~2 mo | Open |
| 3 | ▶ Semillero Partners Invest in sustainable food and beverage companies while supporting underrepresented and diverse entrepreneurs. We provide capital combined with operational expertise in distribution, operations, food safety, marketing, and logistics. We believe industrial agriculture is a major environmental threat and are committed to building a more sustainable and equitable food system. San Juan | $250K – $5M | 10 | Both | Active | ~1 mo | Open |
| 4 | ▶ Uncork Capital We back bold founders at the earliest stages with capital and deep operational support. High-conviction, long-term partnerships with founders solving real problems. Founder-market fit above all else. Speed, transparency, and staying committed through difficult times. | $1.5M – $3M | 197 | Leads | Active | ~2 wks | Req'd |
| 5 | ▶ Initialized Capital Passion and vision matter more than pedigree. We seek founders with grit, audacity, and a spark of rebellion—regardless of background. We invest early, before success is inevitable, and support founders from 0-to-1 through Series A. San Francisco | $250K – $2M | 184 | Leads | Active | ~2 wks | Open |
| 6 | ▶ Energy Impact Partners Technology and capital solutions for the global energy transition. We partner with entrepreneurs to build and scale innovative companies that power a better energy future, supported by collaborations with utilities and industrial incumbents. New York | $2M – $20M | 26 | Leads | Active | ~1 mo | Req'd |
| 7 | ▶ Breakthrough Energy Ventures Innovation is essential to solving climate change while maintaining prosperity. Superior performance and affordability are prerequisites for global scale. We provide patient capital and technical expertise to help breakthrough climate technologies achieve commercial viability. United States | $500K – $50M | 43 | Leads | Active | 3+ mo | Open |
| 8 | ▶ Giant Ventures The biggest companies of the century will be built solving the world's most pressing problems. We champion ambitious founders using technology to reshape civilization around climate, health, and inclusive capitalism. London | $500K – $15M | 35 | Both | Active | ~2 mo | Open |
| 9 | ▶ AirTree Ventures Big things start small. We invest at seed stage and see potential where others don't. We believe in your vision for your company's future, not as it exists today. We think in decades, not days, committing to walk the entire journey with founders to build iconic companies. We share Antipodean ingenuity with the world. Sydney | $250K – $20M | 64 | Leads | Active | ~2 wks | Req'd |
| 10 | ▶ B Capital Group Back extraordinary entrepreneurs throughout the company-building lifecycle from seed to IPO. Combine venture capital expertise with BCG management consulting to accelerate value creation. Support founders with capital, strategic guidance, and access to global networks. San Francisco | $250K – $50M | 34 | Leads | Active | ~2 wks | Req'd |
| 11 | ▶ MassMutual Ventures Build category-defining technology businesses that deliver strong investment returns while addressing pressing business challenges. Leverage Fortune 500 parent (MassMutual) assets including real estate portfolios, renewable energy assets, and capital networks. Boston | $2M – $10M | 21 | Both | Active | ~1 mo | Open |
| 12 | ▶ Intel Capital Scalable, defensible innovation at the intersection of software, hardware, and intelligence. Champion founders driving the next wave of technological innovation across Cloud, Devices, Frontier, and Silicon domains. Breakthrough technologies emerge from convergence of multiple domains. Santa Clara, California | $1M – $50M | 29 | Leads | Active | ~2 wks | Open |
| 13 | ▶ Prologis Ventures We invest in bold ideas transforming supply chain and logistics. With deep industry expertise and Prologis' global network, we partner with companies redefining the logistics landscape. Denver | $2M – $20M | 17 | Leads | Active | ~2 mo | Open |
| 14 | ▶ Alumni Ventures We democratize venture capital by providing individual accredited investors with professional-grade access to elite venture opportunities. We leverage our massive 850,000+ community network and 11,000+ investors to create unique value for founders, sourcing and diligencing deals alongside top-tier VCs (a16z, Sequoia, Khosla) without leading rounds. Our network is our competitive advantage—it compounds value for all stakeholders. Manchester, NH | $250K – $5M | 58 | Follows | Active | ~2 wks | Open |
| 15 | ▶ Greycroft Partnering with brilliant founders to upend the status quo by investing in AI-driven software, sustainability technologies, and innovative consumer brands. We believe AI will dominate software over the next decade, and we seek to support founders reimagining industries across all three sectors. New York | $2M – $100M | 45 | Leads | Active | ~2 wks | Open |
| 16 | ▶ Valor Capital Group Greatest opportunities come from serving unmet needs of the middle class in emerging markets. We bridge US and Latin American markets, providing institutional capital, intellectual capital flow, and geo arbitrage exit opportunities. New York | $500K – $10M | 24 | Leads | Active | ~2 wks | Open |
| 17 | ▶ SpeedInvest Backs globally ambitious technology companies from pre-seed and seed through selected growth rounds using specialist EMEA sector teams and a platform model for capital, customers, talent, follow-on investors, and operational support. Vienna | $250K – $30M | 49 | Leads | Active | — | Open |
| 18 | ▶ Mubadala Mubadala partners with world-class companies and institutions to drive transformational growth across strategic sectors and geographies. We believe in long-term value creation through patient capital, operational expertise, and global partnerships aligned with Abu Dhabi's economic diversification. Abu Dhabi | $5M – $5000M | 41 | Both | Active | ~2 mo | Req'd |
| 19 | ▶ Rosecliff Ventures We seek to create positive economic impact and long-term value by providing lifetime support to companies from seed through late-stage equity and credit. We differentiate through deep Wall Street expertise, strategic LP networks, and innovative financing vehicles. New York | $500K – $10M | 22 | Both | Active | ~2 mo | Open |
| 20 | ▶ Emerson Collective Emerson Collective invests in entrepreneurs and innovators driven by purpose, seeking consequential companies that deliver both generational impact and venture-scale returns. The firm targets sectors where biggest market opportunities meet meaningful impact levers: energy & environment, digital health, fintech, education, work, and media. Palo Alto | $10M – $700M | 16 | Both | Active | ~1 mo | Req'd |
| 21 | ▶ Peak XV Partners Outlier founders and ideas shape the future of humanity. We back ambitious founders building category-defining companies that create significant impact while generating returns that support non-profit and educational causes. Bangalore | $500K – $100M | 18 | Leads | Active | ~2 wks | Open |
| 22 | ▶ Gaingels Equity of access and representation in venture capital delivers positive returns. Diverse and underrepresented (including LGBTQ+) leaders of high-growth companies deserve capital access. When these founders succeed, they influence ecosystems and open doors for historically excluded groups. New York | $200K – $500K | 29 | Follows | Active | ~2 wks | Open |
| 23 | ▶ Cathay Innovation Startups positioned as transformation partners with Fortune 500 corporates create the most impactful solutions. We believe the next generation of market leaders will emerge through collaborative innovation between startups and incumbent enterprises, supported by global expertise and capital. Paris | $5M – $100M | 16 | Both | Active | ~1 mo | Req'd |
| 24 | ▶ Evolution Venture Capital Partners Culture-Tech companies that disrupt and define how we live, work, play, and interact with the world every day. We invest in passionate founders building transformative products that change cultural behaviors. New York | $500K – $6M | 28 | Leads | Active | ~1 wk | Open |
| 25 | ▶ Rostra Capital Active family office identifying undervalued, high-potential opportunities across technology, healthcare, energy, and real estate sectors. Takes active role in portfolio companies to leverage capital, experience, and strategic network. Particular focus on fintech, blockchain, and special situations investing. Harrison, NJ | $100K – $750K | 2 | Both | 1mo | ~1 mo | Open |
Investors on this page also frequently invest in these sectors
What other stages do these firms also invest in?
What other sectors do these firms also invest in?
F4 Fund tracks 25 VC firms that actively invest in climate & clean energy at the Growth stage. These firms are ranked using a composite score that weighs data completeness (30%), portfolio depth (30%), investment recency (25%), and stage alignment (15%).
Based on F4's analysis, the median check size for growth climate & clean energy investors is $10.1M – $10.1M, with a full range from $100K – $5000M. The distribution breaks down as: 2 firms in the <$500K range, 1 firms in the $1M-$2M range, 5 firms in the $2M-$5M range, 4 firms in the $5M-$10M range, 13 firms in the $10M+ range.
Among the 25 firms tracked, 92% lead or co-lead rounds, and 8% typically follow. Founders seeking a lead investor should filter for firms marked "Leads" or "Both" in the rankings table above. Lead investors typically set deal terms and anchor the round.
The best growth climate & clean energy investors combine domain expertise with an active portfolio in the space. Among these firms, 28% prefer warm introductions, and the average firm has 42 portfolio companies. Look for firms whose check size matches your raise, whose stage preference aligns with yours, and who have a track record of supporting companies in your sector through multiple growth phases.
Firm profiles are continuously updated through F4's research pipeline, which combines LLM-powered web research, portfolio analysis, and transcript extraction. The ranking data refreshes every 12 hours. Editorial analysis is reviewed weekly. Individual firm profiles are re-researched on a 30-day cycle or when new information surfaces.