$NAMS Institutional investors own approximately 89.89% of NewAmsterdam Pharma’s (NAMS) outstanding stock. Because the company was backed heavily by early-stage funds, ownership trackers frequently divide this footprint between traditional institutions (holding roughly 70.2%) and Venture Capital / Private Equity firms (holding roughly 29%).
The exact ownership percentages for the top major shareholders are broken down below:
Holder Exact % of Ownership Shares Held As Of Date
Frazier Life Sciences Management, LP 15.80% 18,938,902 Sept 18, 2026
Capital Research and Management Company 11.70% 13,954,052 June 30, 2026
FMR LLC (Fidelity) 8.65% 10,339,663 June 30, 2026
RA Capital Management, L.P. 7.99% 9,550,191 June 30, 2026
Forbion Capital Partners B.V. 7.10% 8,490,353 June 30, 2026
Deerfield Management Company, L.P. 3.57% 4,264,789 June 30, 2026
Viking Global Investors LP 3.52% 4,203,567 June 30, 2026
Bain Capital Life Sciences Investors, LLC 3.18% 3,806,566 June 30, 2026