0000899140-25-000986.txt : 20250814 0000899140-25-000986.hdr.sgml : 20250814 20250814161535 ACCESSION NUMBER: 0000899140-25-000986 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20250630 FILED AS OF DATE: 20250814 DATE AS OF CHANGE: 20250814 EFFECTIVENESS DATE: 20250814 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Sarissa Capital Management LP CENTRAL INDEX KEY: 0001577524 ORGANIZATION NAME: EIN: 900924432 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-15935 FILM NUMBER: 251219338 BUSINESS ADDRESS: STREET 1: 500 WEST PUTNAM AVENUE, SUITE 400 CITY: GREENWICH STATE: CT ZIP: 06830 BUSINESS PHONE: 203-302-2330 MAIL ADDRESS: STREET 1: 500 WEST PUTNAM AVENUE, SUITE 400 CITY: GREENWICH STATE: CT ZIP: 06830 13F-HR 1 primary_doc.xml X0202 13F-HR LIVE 0001577524 XXXXXXXX 06-30-2025 06-30-2025 false Sarissa Capital Management LP

500 WEST PUTNAM AVENUE, SUITE 400 GREENWICH CT 06830

13F HOLDINGS REPORT 028-15935 N Alexander J. Denner, Ph.D. 203-302-2330 /s/ Alexander J. Denner Greenwich CT 08-14-2025 0 7 154389546 INFORMATION TABLE 2 informationtable.xml AMARIN CORP PLC SPONSORED ADR 023111404 20153788 1242527 SH SOLE 1242527 0 0 CYTOKINETICS INC COM NEW 23282W605 19439315 588357 SH SOLE 588357 0 0 INNOVIVA INC COM 45781M101 56573882 2816022 SH SOLE 2816022 0 0 IRONWOOD PHARMACEUTICALS INC COM CL A 46333X108 11417419 15919435 SH SOLE 15919435 0 0 LANTHEUS HLDGS INC COM 516544103 7879107 96251 SH SOLE 96251 0 0 NEUROCRINE BIOSCIENCES INC COM 64125C109 38103049 303151 SH SOLE 303151 0 0 VOR BIOPHARMA INC COM 929033108 822986 508016 SH SOLE 508016 0 0