Portfolio Co Investors 2026 for Mayfield: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
Mayfield accounts for 51 tracked companies with verified cap-table data, 51 of which disclose round sizes totalling $15B. The median disclosed raise is $94M, and the largest is HashiCorp at $7.7B, ahead of Tonal ($580M) and Grove Collaborative ($527M).
The names that recur most often on these co-invested cap tables are Mayfield (51 companies), Khosla Ventures (6 companies), General Catalyst (4 companies), NFX (4 companies), Kleiner Perkins (4 companies), Temasek (3 companies). By latest disclosed round, the market skews Series B (15), Series A (9), Series C (7), Series D (6).
Companies tracked: 51
Disclosed funding total: $15B across 51 companies
Median disclosed raise: $94M
Largest raise: HashiCorp — $7.7B
Stage mix: Series B 15 · Series A 9 · Series C 7 · Series D 6
