Investor Lists

Cleantech investors

Updated 7 November 2026

Firms observed backing a cleantech company in the last two years, taken from what they funded rather than from what their website says they like.

See all 1,245 →The top 25
1,245investors on the list+20 this week
16,331cheques in 12 months-11% against the market
$13Mmedian round they joined+58% against the market median
86%wrote a cheque in 12 months
47%have led a round

The Top 25

Ordered by cheques observed, never by anything anyone paid for

Deploying now (25)

  1. 1Y CombinatorDeploying nowAccelerator · United States6,412$3Mmedian roundOct 2026last seen
  2. 2TechstarsDeploying nowVC firm · United States2,989$1.2Mmedian roundNov 2026last seen
  3. 3500 GlobalDeploying nowAngel · United States2,140$3.6Mmedian roundOct 2026last seen
  4. 4National Science FoundationDeploying nowGovernment · United States1,869$926Kmedian roundSept 2026last seen
  5. 5Andreessen HorowitzDeploying nowVC firm · United States1,661$27Mmedian roundNov 2026last seen
  6. 6New Enterprise AssociatesDeploying nowVC firm · United States1,610$34Mmedian roundOct 2026last seen
  7. 7Alumni VenturesDeploying nowVC firm · United States1,598$12Mmedian roundNov 2026last seen
  8. 8Plug and PlayDeploying nowAccelerator · United States1,561$5Mmedian roundNov 2026last seen
  9. 9General CatalystDeploying nowVC firm · United States1,387$27Mmedian roundNov 2026last seen
  10. 10SV AngelDeploying nowVC firm · United States1,349$18Mmedian roundOct 2026last seen
  11. 11AccelDeploying nowVC firm · United States1,341$32Mmedian roundNov 2026last seen
  12. 12Lightspeed Venture PartnersDeploying nowVC firm · United States1,341$35Mmedian roundNov 2026last seen
  13. 13BpifranceDeploying nowGovernment · France1,151$4.5Mmedian roundOct 2026last seen
  14. 14Khosla VenturesDeploying nowVC firm · United States1,128$26Mmedian roundNov 2026last seen
  15. 15Founders FundDeploying nowVC firm · United States1,122$15Mmedian roundOct 2026last seen
  16. 16Bessemer Venture PartnersDeploying nowVC firm · United States1,038$30Mmedian roundNov 2026last seen
  17. 17Index VenturesDeploying nowVC firm · United Kingdom1,027$31Mmedian roundNov 2026last seen
  18. 18GaingelsDeploying nowPrivate equity · United States1,010$8Mmedian roundOct 2026last seen
  19. 19MassChallengeDeploying nowAccelerator · United States984$1.8Mmedian roundSept 2026last seen
  20. 20SOSVDeploying nowVC firm · United States951$2.5Mmedian roundNov 2026last seen
  21. 21EIC AcceleratorDeploying nowGovernment · European Union875$4.3Mmedian roundOct 2026last seen
  22. 22Kima VenturesDeploying nowVC firm · France859$4.2Mmedian roundNov 2026last seen
  23. 23FJ LabsDeploying nowVC firm · United States849$11Mmedian roundOct 2026last seen
  24. 24Right Side Capital ManagementDeploying nowVC firm · United States834$875Kmedian roundSept 2026last seen
  25. 25Google for StartupsDeploying nowAccelerator · United States811$1.4Mmedian roundSept 2026last seen
1,220 more on this list

All 1,245 are in the app, with filters for stage, sector and market. A free account shows 10 per search, Pro up to 1,000.

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Quick answers about cleantech investors

Who are the most active cleantech investors?

By cheques observed, the most active are Y Combinator, Techstars, 500 Global, National Science Foundation and Andreessen Horowitz.

How many cleantech investors are there?

1,245 are on record. 86% made an investment in the last 12 months and 47% have led a round.

Which stages do cleantech investors back?

Of the rounds with a named stage in the last 12 months, mostly Seed (28%) and Series A (21%).

How big are the rounds cleantech investors join?

The typical (median) round among the leading investors here is $8M.

Which sectors do cleantech investors back most?

In the last 12 months, mostly AI, Biotech and Healthcare.

Which cleantech investors lead the most rounds?

Andreessen Horowitz (114 led), Accel (103 led) and General Catalyst (97 led).

Where are cleantech investors based?

Most of the leading investors here are based in the United States (21 of the top 25); the rest in France and the United Kingdom.

What have cleantech investors invested in recently?

Recent rounds include Arka Fincap (Other, Nov 2026, with TPG), Banesco Banco Múltiple (Debt, Nov 2026, with PROPARCO) and Water Ledger Global (Other, Nov 2026, with Launch Africa).

Built from the rounds we watched, refreshed every night. How we count · Report a correction