645 Ventures

Portfolio Co Investors 2026 for 645 Ventures: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.

645 Ventures accounts for 11 tracked companies with verified cap-table data, 11 of which disclose round sizes totalling $1.6B. The median disclosed raise is $72M, and the largest is Forterra at $541M, ahead of Squire ($200M) and Shift5 ($185M).

The names that recur most often on these co-invested cap tables are 645 Ventures (11 companies), Moore Strategic Ventures (2 companies), Hedosophia (2 companies), QED Investors (2 companies), Atlassian Ventures (2 companies), SoftBank Vision Fund 2 (1 company). By latest disclosed round, the market skews Series C (4), Series A (3), Series B (3), Series D (1).

Best funded 645 Ventures companies

  1. Forterra — $541M (latest: Series C)
  2. Squire — $200M (latest: Series D)
  3. Shift5 — $185M (latest: Series C)
  4. Shop Secretary — $185M (latest: Series A)
  5. Firestorm — $153M (latest: Series B)
  6. Lunchbox Technologies — $72M (latest: Series B)
  7. Tidelift — $67M (latest: Series C)
  8. Point One Navigation — $53M (latest: Series C)
  9. Cube Dev — $47M (latest: Series B)
  10. Sequence — $38M (latest: Series A)
  11. Efficient Capital Labs — $22M (latest: Series A)

645 Ventures — related firms and companies (53)

645 Ventures profile · All research reports