Portfolio Co Investors 2026 for Pfizer Ventures: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
Pfizer Ventures accounts for 32 tracked companies with verified cap-table data, 32 of which disclose round sizes totalling $4.4B. The median disclosed raise is $100M, and the largest is RefleXion Medical at $650M, ahead of Pyxis Oncology ($326M) and Flare Therapeutics ($287M).
The names that recur most often on these co-invested cap tables are Pfizer Ventures (32 companies), Eli Lilly and Company (6 companies), Agent Capital (6 companies), Alexandria Venture Investments (6 companies), Novartis Venture Fund (6 companies), Invus (5 companies). By latest disclosed round, the market skews Series A (13), Series B (9), Series C (6), Series D (2).
Companies tracked: 32
Disclosed funding total: $4.4B across 32 companies
Median disclosed raise: $100M
Largest raise: RefleXion Medical — $650M
Stage mix: Series A 13 · Series B 9 · Series C 6 · Series D 2
