Investor Lists

Growth open Source investors

Updated 7 November 2026

Firms we have watched take part in a growth round raised by an open Source company in the last two years. Both the stage and the sector are what they did, not what their website says.

See all 25 →The top 25
25investors on the listNo change this week
2,702cheques in 12 months-2% against the market
$35Mmedian round they joined+338% against the market median
96%wrote a cheque in 12 months
92%have led a round

The Top 25

Ordered by cheques observed, never by anything anyone paid for

Deploying now (24)

  1. 1Y CombinatorDeploying nowAccelerator · United States6,412$3Mmedian roundOct 2026last seen
  2. 2Sequoia CapitalDeploying nowVC firm · United States2,099$35Mmedian roundNov 2026last seen
  3. 3SV AngelDeploying nowVC firm · United States1,349$18Mmedian roundOct 2026last seen
  4. 4AccelDeploying nowVC firm · United States1,341$32Mmedian roundNov 2026last seen
  5. 5Lightspeed Venture PartnersDeploying nowVC firm · United States1,341$35Mmedian roundNov 2026last seen
  6. 6BpifranceDeploying nowGovernment · France1,151$4.5Mmedian roundOct 2026last seen
  7. 7Khosla VenturesDeploying nowVC firm · United States1,128$26Mmedian roundNov 2026last seen
  8. 8Bessemer Venture PartnersDeploying nowVC firm · United States1,038$30Mmedian roundNov 2026last seen
  9. 9Index VenturesDeploying nowVC firm · United Kingdom1,027$31Mmedian roundNov 2026last seen
  10. 10Google VenturesDeploying nowCorporate VC · United States884$38Mmedian roundOct 2026last seen
  11. 11Tiger Global ManagementDeploying nowVC firm · United States773$47Mmedian roundNov 2026last seen
  12. 12Insight PartnersDeploying nowVC firm · United States765$40Mmedian roundOct 2026last seen
  13. 13FelicisDeploying nowVC firm · United States640$20Mmedian roundNov 2026last seen
  14. 14CoatueDeploying nowVC firm · United States404$85Mmedian roundOct 2026last seen
  15. 15Peak XVDeploying nowVC firm · United States317$15Mmedian roundNov 2026last seen
  16. 16Craft VenturesDeploying nowVC firm · United States283$14Mmedian roundOct 2026last seen
  17. 17Adams Street PartnersDeploying nowVC firm · United States188$70Mmedian roundOct 2026last seen
  18. 18T. Rowe PriceDeploying nowPrivate equity · United States136$400Mmedian roundNov 2026last seen
  19. 19Iris CapitalDeploying nowVC firm · France96$25Mmedian roundOct 2026last seen
  20. 20GICDeploying nowPrivate equity · Singapore92$200Mmedian roundOct 2026last seen
  21. 21Dragoneer InvestmentDeploying nowPrivate equity · United States39$500Mmedian roundOct 2026last seen
  22. 22PeakDeploying nowVC firm · Netherlands11$8Mmedian roundOct 2026last seen
  23. 23WCM Investment ManagementDeploying nowGrowth equity · United States10$1.2Bmedian roundNov 2026last seen
  24. 24FigmaDeploying nowGrowth equity · United States6$41Mmedian roundFeb 2026last seen
  25. 25Formus CapitalquietVC firm · United Kingdom1$70Mmedian roundJun 2025last seen

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Quick answers about growth open Source investors

Who are the most active growth open Source investors?

By cheques observed, the most active are Y Combinator, Sequoia Capital, SV Angel, Accel and Lightspeed Venture Partners.

How many growth open Source investors are there?

25 are on record. 96% made an investment in the last 12 months and 92% have led a round.

Which stages do growth open Source investors back?

Of the rounds with a named stage in the last 12 months, mostly Seed (23%) and Series A (22%).

How big are the rounds growth open Source investors join?

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

Which sectors do growth open Source investors back most?

In the last 12 months, mostly AI, Fintech and Big Data & Analytics.

Which growth open Source investors lead the most rounds?

Accel (103 led), Sequoia Capital (91 led) and Lightspeed Venture Partners (83 led).

Where are growth open Source investors based?

Among the most active, most are based in the United States (19), France (2) and the United Kingdom (2).

What have growth open Source investors invested in recently?

Recent rounds include Thinking Machines Lab (Other, Nov 2026, with Accel), Harbinger (Series D+, Nov 2026, with Tiger Global Management) and Zipline (Growth, Nov 2026, with WCM Investment Management).

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