27 VC firms investing in climate & clean energy and semiconductors & hardware at the Series B stage.
F4 Fund tracks 27 VC firms that actively invest in climate & clean energy + semiconductors & hardware at the Series B stage, with check sizes ranging from $100K – $5000M (median: $8M – $8M). As of June 2026, and 96% lead or co-lead rounds. Rankings are based on F4's proprietary analysis of 1,358+ researched VC firms, scored by data completeness, portfolio depth, investment recency, and stage alignment.
| # | Firm | Check Size | Portfolio | Leads? | Activity | Decision | Intro |
|---|---|---|---|---|---|---|---|
| 1 | ▶ 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 |
| 2 | ▶ Baruch Future Ventures (BFV) Climate restoration through identification and scaling of 'n of 1' technology opportunities combining innovative tech, viable business models, and visionary leadership. Focus on achieving $1B+ valuations in <10 years with 'scale and speed' mentality. Menlo Park | $250K – $10M | 36 | Leads | Active | ~2 mo | Open |
| 3 | ▶ Refactor Capital The most enduring companies are created by founders willing to commercialize real science and scale real systems. We focus on hard tech at the intersection of computation and physical sciences—aerospace, biotech, energy, materials—where technical execution is the moat. Burlingame, CA | $1M – $2M | 47 | Leads | Active | ~1 wk | Open |
| 4 | ▶ 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 |
| 5 | ▶ Playground Global Where breakthrough science turns into world-changing companies. We back scientists and engineers at the earliest stages—pre-formation and pre-product—at the intersection of AI, engineered biology, next-gen compute, and hard science. If it's too early for everyone else, it's probably right for us. Palo Alto | $1M – $20M | 31 | Both | Active | 3+ mo | Req'd |
| 6 | ▶ Airbus Ventures Back deeptech entrepreneurs with deep technical expertise, integrity-driven vision, and complex problem-solving capabilities working at intersections of space, autonomous mobility, advanced materials, quantum computing, and climate technology. Use aerospace systems lens to identify dual-use deep-science technologies with extraordinary technical leadership and first-principles engineering expertise capable of unlocking entirely new economies. Menlo Park | $100K – $10M | 22 | Both | Active | ~2 wks | Open |
| 7 | ▶ 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 | 31 | Leads | Active | ~2 wks | Open |
| 8 | ▶ HCVC We back founders on a mission to industrialize scientific and technological progress. Hardtech startups solve difficult technological problems using interdisciplinary mixes of technology and engineering. We provide patient, supportive capital and community to help founders navigate R&D cycles and build technically defensible products. Paris | $100K – $2.5M | 30 | Leads | Active | ~2 mo | Open |
| 9 | ▶ Prelude Ventures Climate is the biggest challenge of our lifetime and the greatest business opportunity of the coming decades. We back visionaries accelerating climate innovation that will reshape our global economy for the betterment of people and planet. The most successful companies are born from a vision for a better future and the ability of that vision to create large, lasting positive impact. We invest in frontier technologies addressing climate across seven sectors: Built Environment, Carbon Management, Compute, Energy, Food & Agriculture, Manufacturing & Industrials, and Mobility. The best ideas come from everywhere—we operate where many venture firms can't or won't. San Francisco | $100K – $5M | 51 | Both | Active | ~2 mo | Open |
| 10 | ▶ Vanedge Capital Deep technology and hard tech company investing at inflection points. Partner with technical founders building infrastructure-level solutions for global scale. Founded 2010 on belief that next generation of transformative companies require deep technical expertise, not just capital. Vancouver | $1M – $15M | 42 | Both | Active | ~2 wks | Open |
| 11 | ▶ UP Partners The next two decades will see dramatic changes in mobility across ground, air, sea, and space. We invest in entrepreneurs building frontier technologies that make movement cleaner, faster, safer, and lower-cost, leveraging our extensive relationships with global companies. Santa Monica | $1M – $10M | 31 | Both | Active | ~1 wk | Open |
| 12 | ▶ 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 |
| 13 | ▶ Gobi Partners Bespoke Capital for Enduring Impact. Gobi invests where capital alone is insufficient — requiring deep local relationships, sustained engagement, and informed judgment across Asia's diverse and complex markets. They focus on technology companies solving structural inefficiencies across underserved Asian markets, from fintech to deep tech to sustainable infrastructure. Kuala Lumpur | $1M – $50M | 37 | Leads | Active | — | — |
| 14 | ▶ In-Q-Tel (IQT) Transformative national security solutions emerge from early-stage private-sector startups developing frontier technologies. IQT identifies, evaluates, and leverages innovations to accelerate government adoption while enhancing commercial success. As of May 2026, IQT is emphasizing mission investing through fewer larger bets in autonomy, contested logistics, critical infrastructure, and technologies that can move to mission use quickly. Washington | $250K – $3M | 30 | Leads | Active | ~1 mo | Open |
| 15 | ▶ Blackbird Back wild hearts with the wildest ideas from the very beginning. Invest in companies, not rounds — following exceptional founders from pre-seed through all subsequent stages. Focused on ANZ founders building globally ambitious companies across any sector. Sydney | $150K – $60M | 43 | Leads | Active | ~2 wks | Open |
| 16 | ▶ 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 |
| 17 | ▶ Khosla Ventures Technology-based economic disruption of large markets through black swan investments. We seek founders with domain expertise and unreasonable conviction to build billion-dollar companies solving the world's largest problems. Menlo Park | $500K – $50M | 38 | Both | Active | ~2 wks | Open |
| 18 | ▶ Lux Capital Turn sci-fi into sci-fact by backing founders solving the most vexing puzzles facing humanity. We believe in counter-conventional solutions and contrarian positions in deep technology. We champion companies working at the intersection of breakthrough science and transformational technology, led by visionary founders who are equal parts mad scientist and business mastermind. New York | $100K – $100M | 18 | Leads | Active | ~2 wks | Req'd |
| 19 | ▶ Felicis Ventures Back founders building iconic companies that transcend boundaries. We invest directly in their growth to make them unbreakable. Founded on principle that luck isn't made, it's engineered. Founders are our customer, not LPs. We always vote shares with founders and provide 1% non-dilutive founder development capital alongside every first check. Menlo Park | $500K – $15M | 29 | Both | Active | ~1 wk | Open |
| 20 | ▶ Trousdale Ventures We invest in mission-driven companies that dare to tackle impossible challenges, striving to transform industries and create lasting societal impact. We seek founders with audacity to dream big, resilience to persevere, and potential to build forever companies that shape human history. Los Angeles | $5M – $25M | 30 | Leads | Active | ~1 mo | Open |
| 21 | ▶ Pillar VC We invest in technical breakthroughs that overcome the world's greatest challenges. We partner at inception with technically brilliant dreamers who see past impossible to inevitable. We evaluate scientific opportunities through both commercial potential and human impact lenses. Boston | $100K – $10M | 22 | Leads | Active | ~2 mo | Open |
| 22 | ▶ Not Boring Capital Invest in companies with compelling stories to tell. We couple capital deployment with media storytelling through the Not Boring newsletter, creating a unique flywheel that amplifies both company and fund narrative. New York | $100K – $2M | 9 | Both | Active | ~2 wks | Req'd |
| 23 | ▶ Unless Unless catalyzes the New Industrial Revolution by backing visionary companies transforming industrial systems across supply chains, manufacturing, energy, and transportation. The firm uses a perpetual capital structure to support long-duration industrial transformation through equity, debt, and buyouts. Boulder, CO | $5M – $25M | 12 | Both | Active | ~2 mo | Open |
| 24 | ▶ Deep33 Backs frontier deep tech companies solving physical infrastructure bottlenecks of the AI supercycle, especially compute, energy, quantum, AI infrastructure, robotics, and autonomous manufacturing across the U.S.-Israel corridor. New York | $5M – $15M | 9 | Both | Active | ~1 mo | Open |
| 25 | ▶ 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 |
| 26 | ▶ Gigafund Back the world's most ambitious and transformative entrepreneurs capable of building world-defining companies over 20+ years. Invest in founders with independent thought and first-principles vision to solve humanity's biggest problems across all sectors and geographies. Austin | $1M – $500M | 18 | Leads | Active | 3+ mo | Open |
| 27 | ▶ VU Venture Partners Invest in early-stage tech companies addressing world's largest market opportunities and solving humanity's biggest challenges. Leverage global distributed team to source, evaluate, and support transformational founders. San Francisco | $100K – $1M | 16 | Both | Active | ~2 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 27 VC firms that actively invest in climate & clean energy + semiconductors & hardware at the Series B 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 series b climate & clean energy + semiconductors & hardware investors is $8M – $8M, with a full range from $100K – $5000M. The distribution breaks down as: 1 firms in the $500K-$1M range, 4 firms in the $1M-$2M range, 3 firms in the $2M-$5M range, 6 firms in the $5M-$10M range, 13 firms in the $10M+ range.
Among the 27 firms tracked, 96% lead or co-lead rounds, and 4% 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 series b climate & clean energy + semiconductors & hardware investors combine domain expertise with an active portfolio in the space. Among these firms, 19% prefer warm introductions, and the average firm has 37 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.