0001567619-21-010558.txt : 20210517 0001567619-21-010558.hdr.sgml : 20210517 20210517170421 ACCESSION NUMBER: 0001567619-21-010558 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20210331 FILED AS OF DATE: 20210517 DATE AS OF CHANGE: 20210517 EFFECTIVENESS DATE: 20210517 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Sarissa Capital Management LP CENTRAL INDEX KEY: 0001577524 IRS NUMBER: 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: 21932060 BUSINESS ADDRESS: STREET 1: 660 STEAMBOAT ROAD CITY: GREENWICH STATE: CT ZIP: 06830 BUSINESS PHONE: 203-302-2330 MAIL ADDRESS: STREET 1: 660 STEAMBOAT ROAD CITY: GREENWICH STATE: CT ZIP: 06830 13F-HR 1 primary_doc.xml 13F-HR LIVE false true false 0001577524 XXXXXXXX 03-31-2021 03-31-2021 Sarissa Capital Management LP

660 STEAMBOAT ROAD GREENWICH CT 06830

13F HOLDINGS REPORT 028-15935 N Alexander J. Denner, Ph.D. 203-302-2330 /s/ Alexander J. Denner Greenwich CT 05-17-2021 0 14 1043262 false INFORMATION TABLE 2 form13fInfoTable.xml Alexion Pharmaceuticals Inc COM 015351109 99458 650440 SH SOLE 650440 0 0 Alkermes PLC SHS G01767105 148506 7950000 SH SOLE 7950000 0 0 BioCryst Pharmaceuticals Inc COM 09058V103 77675 7637700 SH SOLE 7637700 0 0 BIOGEN INC COM 09062X103 179879 643000 SH SOLE 643000 0 0 Gilead Sciences Inc COM 375558103 174332 2697400 SH SOLE 2697400 0 0 INNOVIVA INC COM 45781M101 76647 6414000 SH SOLE 6414000 0 0 INTERCEPT PHARMACEUTICALS INC COM 45845P108 21 950 SH SOLE 950 0 0 IRONWOOD PHARMACEUTICALS INC COM CL A 46333X108 183240 16390000 SH SOLE 16390000 0 0 JAZZ PHARMACEUTICALS PLC SHS USD G50871105 164 1000 SH SOLE 1000 0 0 MERSANA THERAPEUTICS INC COM 59045L106 64810 4005600 SH SOLE 4005600 0 0 MIRATI THERAPEUTICS INC COM 60468T105 171 1000 SH SOLE 1000 0 0 REGULUS THERAPEUTICS INC COM NEW 75915K200 2888 1851851 SH SOLE 1851851 0 0 SARISSA CAPITAL ACQUISITN CO W EXP 10/23/202 G7823W110 4999 3333333 SH SOLE 3333333 0 0 VOR BIOPHARMA INC COM 929033108 30472 707010 SH SOLE 707010 0 0