Define Ventures

Portfolio Co Investors 2026 for Define Ventures: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.

Define Ventures accounts for 12 tracked companies with verified cap-table data, 12 of which disclose round sizes totalling $1.7B. The median disclosed raise is $146M, and the largest is Tarana Wireless at $362M, ahead of Found ($206M) and Unite Us ($195M).

The names that recur most often on these co-invested cap tables are Define Ventures (12 companies), Transformation Capital (2 companies), 8090 Industries (1 company), Gigascale Capital (1 company), Jetstream (1 company), Khosla Ventures (1 company). By latest disclosed round, the market skews Series B (6), Series C (3), Series A (2), Series U (1).

Best funded Define Ventures companies

  1. Tarana Wireless — $362M (latest: Series U)
  2. Found — $206M (latest: Series B)
  3. Unite Us — $195M (latest: Series C)
  4. Tia — $190M (latest: Series B)
  5. UpStream Care — $185M (latest: Series B)
  6. Massachusetts General Hospital — $146M (latest: Series C)
  7. Intrinsic — $128M (latest: Series A)
  8. Intrinsic Brands — $115M (latest: Series A)
  9. Luminai — $60M (latest: Series B)
  10. Lightship — $60M (latest: Series C)
  11. 9amHealth — $55M (latest: Series B)
  12. Concert Health — $42M (latest: Series B)

Define Ventures GP I, LLC — related firms and companies (56)

Define Ventures GP I, LLC profile · All research reports