Adage Capital Management, L.P. - 31 Mar 2025 SCHEDULE 13G Report for Centessa Pharmaceuticals plc Ordinary shares, nominal value 0.002 euro per share (CNTA)

Filing Manager: Adage Capital Management, L.P.
Reporting Manager: Adage Capital Management, L.P.
Security: Centessa Pharmaceuticals plc Ordinary shares, nominal value 0.002 euro per share
Symbol: CNTA
Shares outstanding: 133M shares
Disclosed Ownership: 6.95M shares
Ownership: 5.22%
Form type: SCHEDULE 13G
Filing time: 12 May 2025, 09:03:13 UTC
Date of event: 31 Mar 2025
Next filing: 12 Aug 2025
SEC: View on sec.gov

Reporting Managers (3)

Name	Ownership	Shares Owned	shared voting power	Signature	Title
Adage Capital Management, L.P.	5.22%	6.95M	6.95M	/s/ Robert Atchinson	By: Adage Capital Partners LLC, its General Partner, By: Robert Atchinson, its Managing Member
Robert Atchinson	5.22%	6.95M	6.95M	Robert Atchinson	Robert Atchinson, individually
Phillip Gross	5.22%	6.95M	6.95M	/s/ Phillip Gross	Phillip Gross, individually