Portfolio Co Investors 2026 for Bay City Capital: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
Bay City Capital accounts for 4 tracked companies with verified cap-table data, 4 of which disclose round sizes totalling $781M. The median disclosed raise is $200M, and the largest is Merus at $500M, ahead of Xeris Pharmaceuticals ($200M) and Kezar Life Sciences ($73M).
The names that recur most often on these co-invested cap tables are Bay City Capital (4 companies), LSP (Life Sciences Partners) (1 company), Johnson & Johnson Innovation (1 company), Pfizer Venture Investments (1 company), Novartis Venture Fund (1 company), Redmile Group (1 company). By latest disclosed round, the market skews IPO (2), Series B (1), Post IPO (1).