Portfolio Co Investors 2026 for NFX: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
NFX accounts for 37 tracked companies with verified cap-table data, 37 of which disclose round sizes totalling $4.3B. The median disclosed raise is $80M, and the largest is Mammoth Biosciences at $465M, ahead of EvenUp ($385M) and Foodsmart ($247M).
The names that recur most often on these co-invested cap tables are NFX (37 companies), Y Combinator (7 companies), Insight Partners (5 companies), Mayfield (4 companies), Bain Capital Ventures (3 companies), Glilot Capital Partners (3 companies). By latest disclosed round, the market skews Series A (9), Series B (9), Series C (6), Growth (3).
Companies tracked: 37
Disclosed funding total: $4.3B across 37 companies
Median disclosed raise: $80M
Largest raise: Mammoth Biosciences — $465M
Stage mix: Series A 9 · Series B 9 · Series C 6 · Growth 3
