Portfolio Co Investors 2026 for 01 Advisors: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
01 Advisors accounts for 21 tracked companies with verified cap-table data, 21 of which disclose round sizes totalling $3.7B. The median disclosed raise is $109M, and the largest is SpotOn at $923M, ahead of Tipalti ($550M) and Mythical Games ($270M).
The names that recur most often on these co-invested cap tables are 01 Advisors (21 companies), Founders Fund (5 companies), General Catalyst (4 companies), Kleiner Perkins (4 companies), Upfront Ventures (4 companies), Ludlow Ventures (4 companies). By latest disclosed round, the market skews Series B (8), Series C (5), Series F (2), Series D (2).
Companies tracked: 21
Disclosed funding total: $3.7B across 21 companies
Median disclosed raise: $109M
Largest raise: SpotOn — $923M
Stage mix: Series B 8 · Series C 5 · Series F 2 · Series D 2