Portfolio Co Investors 2026 for Collaborative Fund: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
Collaborative Fund accounts for 22 tracked companies with verified cap-table data, 22 of which disclose round sizes totalling $3B. The median disclosed raise is $100M, and the largest is WHOOP at $575M, ahead of Quora ($301M) and Teamshares ($245M).
The names that recur most often on these co-invested cap tables are Collaborative Fund (22 companies), Y Combinator (3 companies), Tiger Global Management (2 companies), Union Square Ventures (2 companies), General Catalyst (2 companies), Viola Credit (2 companies). By latest disclosed round, the market skews Series B (8), Series A (4), Growth (2), Series C (2).
Companies tracked: 22
Disclosed funding total: $3B across 22 companies
Median disclosed raise: $100M
Largest raise: WHOOP — $575M
Stage mix: Series B 8 · Series A 4 · Growth 2 · Series C 2
