Founders Fund Co-Investors 2026

Who Founders Fund invests alongside: Andreessen Horowitz, Lux Capital, BoxGroup — mapped across 50 portfolio companies in 14 sectors and 17 cities.

Founders Fund accounts for 168 tracked companies with verified cap-table data, 168 of which disclose round sizes totalling $46B. The median disclosed raise is $111M, and the largest is Crusoe Energy Systems at $3.9B, ahead of Anduril Industries ($2.5B) and Rippling ($1.9B).

The names that recur most often on these co-invested cap tables are Founders Fund (168 companies), Khosla Ventures (28 companies), General Catalyst (23 companies), Andreessen Horowitz (17 companies), 8VC (16 companies), Lux Capital (15 companies). By latest disclosed round, the market skews Series B (52), Series A (29), Series C (28), Series D (12).

Best funded Founders Fund companies

  1. Crusoe Energy Systems — $3.9B (latest: Series E)
  2. Anduril Industries — $2.5B (latest: Growth)
  3. Rippling — $1.9B (latest: Series G)
  4. Affirm — $1.5B (latest: Series G)
  5. Compass — $1.5B (latest: IPO)
  6. Trade Republic — $1.3B (latest: Series C)
  7. Neuralink — $1.3B (latest: Series E)
  8. Collective Health — $1.1B (latest: Series F)
  9. Faire — $1.1B
  10. Impulse Space — $1B (latest: Series D)
  11. Flock Safety — $950M (latest: Growth)
  12. The Boring Company — $913M (latest: Series C)
  13. Workrise — $753M (latest: Series E)
  14. RigUp — $750M (latest: Series E)
  15. Ultima Genomics — $700M (latest: Series C)

Founders Fund — related firms and companies (56)

Founders Fund alternatives · All research reports