Portfolio Co Investors 2026 for Jeffrey O Donnell Jr: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
Jeffrey O Donnell Jr covers 3 companies with a founder-verified check from Jeffrey O Donnell Jr, concentrated in Biotech, Healthtech. Round sizes are not disclosed for these companies, so this report lists the verified positions rather than dollar totals.