Most Active Climate Investors 2026

11 firms ranked by verified Climate deal count, led by Capricorn Investment Group, Lowercarbon Capital, DCVC — with the companies behind each ranking.

Climate accounts for 120 tracked companies with verified cap-table data, 120 of which disclose round sizes totalling $152B. The median disclosed raise is $250M, and the largest is Invenergy at $75B, ahead of ReNew ($15B) and Tesla ($11B).

The names that recur most often on these climate cap tables are Lowercarbon Capital (14 companies), Breakthrough Energy Ventures (13 companies), Prelude Ventures (7 companies), Google (6 companies), Temasek (6 companies), DCVC (5 companies). By latest disclosed round, the market skews Series C (22), Series A (21), Series B (21), Growth (17).

Best funded Climate companies

  1. Invenergy — $75B
  2. ReNew — $15B
  3. Tesla — $11B (latest: Series A)
  4. Zenobe Energy — $3.2B (latest: Growth)
  5. Commonwealth Fusion — $3B (latest: Series B)
  6. Generate Capital — $3B (latest: Growth)
  7. Sierra Space — $1.7B (latest: Series B)
  8. Redwood Materials — $1.6B (latest: Series E)
  9. Isagen — $1.4B (latest: Growth)
  10. Avaada — $1.3B (latest: Growth)
  11. TAE Technologies — $1.3B
  12. Base Power — $1.2B (latest: Series C)
  13. Form Energy — $1.2B (latest: Series F)
  14. Climeworks — $1B
  15. Group14 Technologies — $1B (latest: Series D)

More Climate research (2)

Research on comparable markets (14)

Sector × city funding reports (20)

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•By Alejandro Cremades