Ra Capital Management, L.P. - Jun 30, 2025 SCHEDULE 13G/A Report for RHYTHM PHARMACEUTICALS, INC. Common Stock, $0.001 par value per share (RYTM)

Filing Manager
RA CAPITAL MANAGEMENT, L.P.
Reporting Manager
RA Capital Management, L.P.
Security
RHYTHM PHARMACEUTICALS, INC. Common Stock, $0.001 par value per share
Symbol
RYTM
Shares outstanding
63.9M shares
Disclosed Ownership
5.56M shares
Ownership
8.7%
Form type
SCHEDULE 13G/A
Date filed
8/14/2025, 06:04 PM
Date of event
Jun 30, 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. 8.7% 5.56M 0 5.56M /s/ Peter Kolchinsky By Peter Kolchinsky, Authorized Signatory
Peter Kolchinsky 8.7% 5.56M 0 5.56M /s/ Peter Kolchinsky Peter Kolchinsky
Rajeev Shah 8.7% 5.56M 0 5.56M /s/ Rajeev Shah Rajeev Shah
RA Capital Healthcare Fund, L.P. 8.7% 5.56M 0 5.56M /s/ Peter Kolchinsky By RA Capital Healthcare Fund GP, LLC, its General Partner, By Peter Kolchinsky, Manager