98 Series B climate tech investors

Top 5 Series B climate tech investors, ranked by recent fund activity

Among firms with a published profile and a dated fund or deal in the last 24 months. The rule: Activity score out of 100: recency of the latest fund filing or dated deal (35: full marks within 3 months, then stepping down at 6, 12 and 24 months), share of the observed portfolio in this sector (25; half of that when the sector is stated only), stage focus (15: all of it when Series B is the only stage the firm states, split evenly when it states more), size of the fund on file on a log scale (15) and completeness of the public record (10). Stage focus is our research, not an SEC figure. It is a measure of activity and fit, not of quality or returns. The same rule orders the whole list; it is repeated in the method box.

1. Energize Ventures

   Type: VC firm · HQ: Chicago, IL · Stages: Series A, Series B, Growth, Any stage · Focus: Climate Tech, Energy, AI, Industrial Tech · Latest activity: New deal, Sep 2026 · Fund size on file: $328M (SEC Form D, 2020)

   Dated new deal in Sep 2026; $328M fund on file (SEC Form D, 2020); 55% of its observed portfolio is climate tech; backs Series A, Series B, growth-stage; 8 named decision-makers on file.

2. Energy Impact Partners

   Type: VC firm · HQ: United States (London office) · Stages: Seed, Series A, Series B, Growth · Focus: Climate Tech, Energy, AI, Cybersecurity · Latest activity: Portfolio news, Nov 2026 · Fund size or assets: $4.5B (own site)

   Portfolio news dated Nov 2026; $4.5B on file (own site); 40% of its observed portfolio is climate tech; backs seed, Series A, Series B; 8 named decision-makers on file.

3. Innovation Industries

   Type: VC firm · HQ: Amsterdam, Netherlands · Stages: Series A, Series B, Growth · Focus: Climate Tech, Deep Tech, AI, Healthtech · Latest activity: New fund, Oct 2026 · Fund size or assets: €1.0B (own site)

   Latest fund filing dated Oct 2026; €1.0B on file (own site); states climate tech as a focus; backs Series A, Series B, growth-stage; 4 named decision-makers on file.

4. Claret Capital Partners

   Type: Venture debt · HQ: London, United Kingdom · Stages: Series B, Growth, Late stage · Focus: Climate Tech, Healthtech, Biotech, SaaS · Latest activity: New deal, Oct 2026 · Fund size or assets: €575M (own site)

   Dated new deal in Oct 2026; €575M on file (own site); states climate tech as a focus; backs Series B, growth-stage, late stage; 8 named decision-makers on file.

5. Overlap Holdings

   Type: VC firm · HQ: Hicksville, NY · Stages: Seed, Series A, Series B · Focus: Climate Tech, AI, Energy, Healthtech · Latest activity: New fund, Oct 2026 · Fund size on file: $16M (SEC Form D, 2023)

   Latest fund filing dated Oct 2026; $16M fund on file (SEC Form D, 2023); 44% of its observed portfolio is climate tech; backs seed, Series A, Series B; 8 named decision-makers on file.

First 25 of 98 Series B climate tech investors

You are seeing 25 of 98. The full list adds 73 more investors and 474 named decision-makers.

How these 98 break down

Questions

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