Portfolio Co Investors 2026 for Madrona Venture Group: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
Madrona Venture Group accounts for 32 tracked companies with verified cap-table data, 32 of which disclose round sizes totalling $5.3B. The median disclosed raise is $115M, and the largest is Plume Design at $752M, ahead of Highspot ($648M) and Nautilus Biotechnology ($445M).
The names that recur most often on these co-invested cap tables are Madrona Venture Group (32 companies), ICONIQ Growth (3 companies), Tiger Global Management (3 companies), Andreessen Horowitz (3 companies), Vulcan Capital (3 companies), Tiger Global (3 companies). By latest disclosed round, the market skews Series B (8), Series C (5), Series A (5), Series F (3).
Companies tracked: 32
Disclosed funding total: $5.3B across 32 companies
Median disclosed raise: $115M
Largest raise: Plume Design — $752M
Stage mix: Series B 8 · Series C 5 · Series A 5 · Series F 3
