645 Ventures

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).

• Companies tracked: 11
• Disclosed funding total: $1.6B across 11 companies
• Median disclosed raise: $72M
• Largest raise: Forterra — $541M
• Stage mix: Series C 4 · Series A 3 · Series B 3 · Series D 1
• Most recent dated round: 2026-04-29

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)

• Forterra
• Squire
• Shift5
• Shop Secretary
• Firestorm
• Lunchbox Technologies
• Tidelift
• Point One Navigation
• Cube Dev
• Sequence
• Efficient Capital Labs
• 645 Ventures portfolio companies 2026
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645 Ventures profile · All research reports