FirstMark Co-Investors 2026

Who FirstMark invests alongside: Wellington Management, Battery Ventures, Bessemer Venture Partners — mapped across 19 portfolio companies in 7 sectors.

FirstMark accounts for 10 tracked companies with verified cap-table data, 10 of which disclose round sizes totalling $2.5B. The median disclosed raise is $220M, and the largest is Bluecore at $932M, ahead of InVision ($350M) and Orchard ($312M).

The names that recur most often on these co-invested cap tables are FirstMark (10 companies), Accel (3 companies), Spark Capital (2 companies), Tiger Global (2 companies), Bpifrance (2 companies), Georgian (1 company). By latest disclosed round, the market skews Series D (2), Series C (2), Series B (2), Series A (2).

Best funded FirstMark companies

  1. Bluecore — $932M (latest: Series D)
  2. InVision — $350M (latest: Series C)
  3. Orchard — $312M (latest: Series D)
  4. Harmattan AI — $230M (latest: Series B)
  5. H Company — $220M (latest: Seed)
  6. Ada — $200M (latest: Series C)
  7. Justworks — $143M (latest: Series E)
  8. Backflip — $50M (latest: Series A)
  9. WorkStep — $49M (latest: Series B)
  10. AUTHINE — $11M (latest: Series A)

FirstMark — related firms and companies (54)

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