Ra Capital Management, L.P. - Mar 31, 2025 SCHEDULE 13G/A Report for NEWAMSTERDAM PHARMA COMPANY N.V. Ordinary Shares, nominal value EUR0.12 per share (NAMS)

Filing Manager
RA CAPITAL MANAGEMENT, L.P.
Reporting Manager
RA Capital Management, L.P.
Security
NEWAMSTERDAM PHARMA COMPANY N.V. Ordinary Shares, nominal value EUR0.12 per share
Symbol
NAMS
Shares outstanding
112M shares
Disclosed Ownership
11.1M shares
Ownership
9.9%
Form type
SCHEDULE 13G/A
Date filed
5/15/2025, 04:58 PM
Date of event
Mar 31, 2025
Previous filing
Feb 14, 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
RA Capital Management, L.P. 9.9% 11.1M 0 11.1M /s/ Peter Kolchinsky By Peter Kolchinsky, Authorized Signatory
Peter Kolchinsky 9.9% 11.1M 0 11.1M /s/ Peter Kolchinsky Peter Kolchinsky
Rajeev Shah 9.9% 11.1M 0 11.1M /s/ Rajeev Shah Rajeev Shah
RA Capital Healthcare Fund, L.P. 9.9% 11.1M 0 11.1M /s/ Peter Kolchinsky By RA Capital Healthcare Fund GP, LLC, its General Partner, By Peter Kolchinsky, Manager