EcoR1 Capital, LLC - 15 Aug 2025 SCHEDULE 13G/A Report for Adaptimmune Therapeutics PLC Ordinary Shares (ADAP)

Filing Manager
EcoR1 Capital, LLC
Reporting Manager
EcoR1 Capital, LLC
Security
Adaptimmune Therapeutics PLC Ordinary Shares
Symbol
ADAP
Shares outstanding
1,571,428,571 shares
Disclosed Ownership
66,000,000 shares
Ownership
4.2%
Form type
SCHEDULE 13G/A
Filing time
19 Aug 2025, 18:32:39 UTC
Date of event
15 Aug 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
EcoR1 Capital, LLC 4.2% 66,000,000 0 66,000,000 /s/ Oleg Nodelman Manager
Oleg Nodelman 4.2% 66,000,000 0 66,000,000 /s/ Oleg Nodelman Reporting person
EcoR1 Capital Fund Qualified, L.P. 4% 63,184,650 0 63,184,650 /s/ Oleg Nodelman Manager of the General Partner, EcoR1 Capital, LLC