Portfolio Co Investors 2026 for Greylock Partners: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
Greylock Partners accounts for 39 tracked companies with verified cap-table data, 39 of which disclose round sizes totalling $14B. The median disclosed raise is $105M, and the largest is Nuro at $2.7B, ahead of Wiz, Inc. ($1.9B) and Baseten ($1.5B).
The names that recur most often on these co-invested cap tables are Greylock Partners (39 companies), Sequoia Capital (6 companies), Bain Capital Ventures (5 companies), Andreessen Horowitz (3 companies), GV (3 companies), SoftBank Vision Fund (2 companies). By latest disclosed round, the market skews Series B (9), Series C (7), Series D (5), Series A (5).
Companies tracked: 39
Disclosed funding total: $14B across 39 companies
Median disclosed raise: $105M
Largest raise: Nuro — $2.7B
Stage mix: Series B 9 · Series C 7 · Series D 5 · Series A 5
