Investor Lists

Cleantech investors in United States

Updated 7 November 2026

Firms observed backing a cleantech company in United States in the last two years, wherever the firm is based.

See all 469 →The top 25
469investors on the list+3 this week
9,429cheques in 12 months-11% against the market
$20Mmedian round they joined+150% against the market median
88%wrote a cheque in 12 months
49%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. 3National Science FoundationDeploying nowGovernment · United States1,869$926Kmedian roundSept 2026last seen
  4. 4Andreessen HorowitzDeploying nowVC firm · United States1,661$27Mmedian roundNov 2026last seen
  5. 5New Enterprise AssociatesDeploying nowVC firm · United States1,610$34Mmedian roundOct 2026last seen
  6. 6Alumni VenturesDeploying nowVC firm · United States1,598$12Mmedian roundNov 2026last seen
  7. 7Plug and PlayDeploying nowAccelerator · United States1,561$5Mmedian roundNov 2026last seen
  8. 8General CatalystDeploying nowVC firm · United States1,387$27Mmedian roundNov 2026last seen
  9. 9SV AngelDeploying nowVC firm · United States1,349$18Mmedian roundOct 2026last seen
  10. 10AccelDeploying nowVC firm · United States1,341$32Mmedian roundNov 2026last seen
  11. 11Lightspeed Venture PartnersDeploying nowVC firm · United States1,341$35Mmedian roundNov 2026last seen
  12. 12Khosla VenturesDeploying nowVC firm · United States1,128$26Mmedian roundNov 2026last seen
  13. 13Founders FundDeploying nowVC firm · United States1,122$15Mmedian roundOct 2026last seen
  14. 14Bessemer Venture PartnersDeploying nowVC firm · United States1,038$30Mmedian roundNov 2026last seen
  15. 15Index VenturesDeploying nowVC firm · United Kingdom1,027$31Mmedian roundNov 2026last seen
  16. 16GaingelsDeploying nowPrivate equity · United States1,010$8Mmedian roundOct 2026last seen
  17. 17MassChallengeDeploying nowAccelerator · United States984$1.8Mmedian roundSept 2026last seen
  18. 18SOSVDeploying nowVC firm · United States951$2.5Mmedian roundNov 2026last seen
  19. 19FJ LabsDeploying nowVC firm · United States849$11Mmedian roundOct 2026last seen
  20. 20Right Side Capital ManagementDeploying nowVC firm · United States834$875Kmedian roundSept 2026last seen
  21. 21Google for StartupsDeploying nowAccelerator · United States811$1.4Mmedian roundSept 2026last seen
  22. 22First Round CapitalDeploying nowVC firm · United States807$18Mmedian roundOct 2026last seen
  23. 23BoxGroupDeploying nowVC firm · United States773$18Mmedian roundNov 2026last seen
  24. 24Tiger Global ManagementDeploying nowVC firm · United States773$47Mmedian roundNov 2026last seen
  25. 25Goldman SachsDeploying nowPrivate equity · United States758$73Mmedian roundOct 2026last seen
444 more on this list

All 469 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 in United States

Who are the most active cleantech investors in United States?

By cheques observed, the most active are Y Combinator, Techstars, National Science Foundation, Andreessen Horowitz and New Enterprise Associates.

How many cleantech investors in United States are there?

469 are on record. 88% made an investment in the last 12 months and 49% have led a round.

Which stages do cleantech investors in United States back?

Of the rounds with a named stage in the last 12 months, mostly Seed (25%) and Series A (22%).

How big are the rounds cleantech investors in United States join?

The typical (median) round among the leading investors here is $18M.

Which sectors do cleantech investors in United States back most?

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

Which cleantech investors in United States lead the most rounds?

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

Where are cleantech investors in United States based?

Most of the leading investors here are based in the United States (24 of the top 25); the rest in the United Kingdom.

What have cleantech investors in United States invested in recently?

Recent rounds include Arka Fincap (Other, Nov 2026, with TPG), URobotics (Series A, Nov 2026, with Seoul Investment Partners) and Humble Robotics (Series A, Nov 2026, with Eclipse).

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