Investor Lists

PE firms backing Cleantech

Updated 7 November 2026

PE firms we have observed in a cleantech round in the last two years.

See all 151 →The top 25
151investors on the list+2 this week
1,360cheques in 12 months+5% against the market
$47Mmedian round they joined+481% against the market median
77%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. 1GaingelsDeploying nowPrivate equity · United States1,010$8Mmedian roundOct 2026last seen
  2. 2Goldman SachsDeploying nowPrivate equity · United States758$73Mmedian roundOct 2026last seen
  3. 3CitibankDeploying nowGrowth equity · United States566$20Mmedian roundOct 2026last seen
  4. 4Pioneer FundDeploying nowPrivate equity · United States551$2.9Mmedian roundNov 2026last seen
  5. 5IDG CapitalDeploying nowPrivate equity · China504$25Mmedian roundOct 2026last seen
  6. 6RA Capital ManagementDeploying nowPrivate equity · United States395$93Mmedian roundNov 2026last seen
  7. 7Morgan Stanley Investment ManagementDeploying nowPrivate equity · United States288$56Mmedian roundOct 2026last seen
  8. 8Business Growth FundDeploying nowPrivate equity · United Kingdom260$9.9Mmedian roundNov 2026last seen
  9. 9Warburg PincusDeploying nowPrivate equity · United States260$124Mmedian roundOct 2026last seen
  10. 10HSBCDeploying nowGrowth equity · United Kingdom234$45Mmedian roundOct 2026last seen
  11. 11TPGDeploying nowPrivate equity · United States205$91Mmedian roundNov 2026last seen
  12. 12Franklin TempletonDeploying nowPrivate equity · United States198$64Mmedian roundNov 2026last seen
  13. 13BondDeploying nowGrowth equity · United States154$47Mmedian roundSept 2026last seen
  14. 14EurazeoDeploying nowPrivate equity · France150$28Mmedian roundOct 2026last seen
  15. 15Forbion Capital PartnersDeploying nowPrivate equity · Netherlands134$88Mmedian roundOct 2026last seen
  16. 16Foresight GroupDeploying nowPrivate equity · United Kingdom132$4Mmedian roundOct 2026last seen
  17. 17Edison PartnersDeploying nowPrivate equity · United States118$15Mmedian roundOct 2026last seen
  18. 18ApolloDeploying nowPrivate equity · United States114$55Mmedian roundOct 2026last seen
  19. 19L CattertonDeploying nowPrivate equity · United States110$34Mmedian roundOct 2026last seen
  20. 20S2G InvestmentsDeploying nowGrowth equity · United States102$16Mmedian roundOct 2026last seen
  21. 21Better CapitalDeploying nowPrivate equity · United Kingdom97$2.5Mmedian roundOct 2026last seen
  22. 22Catalyst FundDeploying nowGrowth equity · United States96$3Mmedian roundOct 2026last seen
  23. 23European Bank for Reconstruction and DevelopmentDeploying nowPrivate equity · United Kingdom91$35Mmedian roundNov 2026last seen
  24. 24MubadalaDeploying nowPrivate equity · United Arab Emirates91$80Mmedian roundSept 2026last seen
  25. 25National Bank of CanadaDeploying nowPrivate equity · Canada77$74Mmedian roundSept 2026last seen
126 more on this list

All 151 are in the app, with filters for stage, sector and market. A free account shows 10 per search, Pro up to 1,000.

See the whole list →

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Quick answers about PE firms backing Cleantech

Who are the most active PE firms backing Cleantech?

By cheques observed, the most active are Gaingels, Goldman Sachs, Citibank, Pioneer Fund and IDG Capital.

How many PE firms backing Cleantech are there?

151 are on record. 77% made an investment in the last 12 months and 49% have led a round.

Which stages do PE firms backing Cleantech back?

Of the rounds with a named stage in the last 12 months, mostly Debt (25%) and Series A (16%).

How big are the rounds PE firms backing Cleantech join?

The typical (median) round among the leading investors here is $35M.

Which sectors do PE firms backing Cleantech back most?

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

Which PE firms backing Cleantech lead the most rounds?

Goldman Sachs (22 led), RA Capital Management (15 led) and TPG (11 led).

Where are PE firms backing Cleantech based?

Among the most active, most are based in the United States (15), the United Kingdom (5) and China (1).

What have PE firms backing Cleantech invested in recently?

Recent rounds include Arka Fincap (Other, Nov 2026, with TPG), T-Therapeutics (Series B, Nov 2026, with Business Growth Fund) and Soter Insure (Series B, Nov 2026, with Franklin Templeton).

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