7 VC firms investing in insurance and climate & clean energy at the Series B stage.
F4 Fund tracks 7 VC firms that actively invest in insurance + climate & clean energy at the Series B stage, with check sizes ranging from $250K – $500M (median: $15.1M – $15.1M). As of August 2026, and 86% lead or co-lead rounds. Rankings are based on F4's proprietary analysis of 1,580+ researched VC firms, scored by data completeness, portfolio depth, investment recency, and stage alignment.
| # | Firm | Check Size | Portfolio | Leads? | Activity | Decision | Intro |
|---|---|---|---|---|---|---|---|
| 1 | ▶ Clocktower Technology Ventures Financial services represents the largest venture opportunity with disproportionately small VC allocation. We invest in companies reinventing financial services with operator teams combining domain expertise and execution excellence. Santa Monica | $500K – $20M | 104 | Both | Active | ~2 mo | Open |
| 2 | ▶ Mundi Ventures Mundi backs bold, purpose-driven founders building technology companies at the intersection of deep tech and critical global challenges. Core thesis: Europe has world-class talent and ecosystem but suffers from a scale-up funding gap at growth stages. Kembara fund (€750M) bridges this by providing Series B/C growth capital to European deep tech and climate champions. Madrid | $1M – $40M | 54 | Leads | Active | ~2 mo | Open |
| 3 | ▶ Impact America Fund Tech-enabled businesses built for and by people in marginalized communities create new frameworks of ownership and opportunity. Traditional VCs miss billion-dollar markets in overlooked communities. Oakland | $250K – $3M | 32 | Leads | Active | ~1 mo | Req'd |
| 4 | ▶ White Star Capital Technology companies are becoming intertwined with the global economy more so than ever before. The most compelling founders build businesses through a broader world view. White Star Capital backs globally ambitious entrepreneurs at Series A, B, and Seed stages across North America, Europe, and Asia, helping them scale internationally through deep local presence on three continents. London | $1M – $25M | 45 | Leads | Active | ~1 mo | Open |
| 5 | ▶ Trust Ventures Backs founders building generational companies in markets where public policy and regulation, not technology, are the primary barrier to progress -- energy, housing, healthcare, insurance, and advanced manufacturing. Pairs capital with in-house legal and policy strategy to help portfolio companies navigate and reshape regulatory environments. Austin | $250K – $30M | 19 | Follows | Active | N/A | N/A |
| 6 | ▶ 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 |
| 7 | ▶ 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 |
What other stages do these firms also invest in?
Investors on this page also frequently invest in these sectors
What other sectors do these firms also invest in?
F4 Fund tracks 7 VC firms that actively invest in insurance + climate & clean energy 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 insurance + climate & clean energy investors is $15.1M – $15.1M, with a full range from $250K – $500M. The distribution breaks down as: 1 firms in the $1M-$2M range, 6 firms in the $10M+ range.
Among the 7 firms tracked, 86% lead or co-lead rounds, and 14% 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 insurance + climate & clean energy investors combine domain expertise with an active portfolio in the space. Among these firms, 33% prefer warm introductions, and the average firm has 41 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.