RA CAPITAL MANAGEMENT, L.P. - 08 Oct 2025 SCHEDULE 13G Report for JADE BIOSCIENCES, INC. Common Stock, $0.0001 par value per share (JBIO)

Filing Manager
RA CAPITAL MANAGEMENT, L.P.
Reporting Manager
RA Capital Management, L.P.
Security
JADE BIOSCIENCES, INC. Common Stock, $0.0001 par value per share
Symbol
JBIO
Shares outstanding
45,928,129 shares
Disclosed Ownership
3,214,969 shares
Ownership
7%
Form type
SCHEDULE 13G
Filing time
16 Oct 2025, 19:35:31 UTC
Date of event
08 Oct 2025
Previous filing
30 Apr 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. 7% 3,214,969 0 3,214,969 /s/ Peter Kolchinsky By Peter Kolchinsky, Authorized Signatory
Peter Kolchinsky 7% 3,214,969 0 3,214,969 /s/ Peter Kolchinsky Peter Kolchinsky
Rajeev Shah 7% 3,214,969 0 3,214,969 /s/ Rajeev Shah Rajeev Shah
RA Capital Healthcare Fund, L.P. 7% 3,214,969 0 3,214,969 /s/ Peter Kolchinsky By RA Capital Healthcare Fund GP, LLC, its General Partner, By Peter Kolchinsky, Manager