0001172661-23-000999.txt : 20230214 0001172661-23-000999.hdr.sgml : 20230214 20230214111234 ACCESSION NUMBER: 0001172661-23-000999 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20221231 FILED AS OF DATE: 20230214 DATE AS OF CHANGE: 20230214 EFFECTIVENESS DATE: 20230214 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Rock Springs Capital Management LP CENTRAL INDEX KEY: 0001595725 IRS NUMBER: 800944416 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-16048 FILM NUMBER: 23624609 BUSINESS ADDRESS: STREET 1: 650 SOUTH EXETER STREET STREET 2: SUITE 1070 CITY: BALTIMORE STATE: MD ZIP: 21202 BUSINESS PHONE: 4102200129 MAIL ADDRESS: STREET 1: 650 SOUTH EXETER STREET STREET 2: SUITE 1070 CITY: BALTIMORE STATE: MD ZIP: 21202 13F-HR 1 primary_doc.xml X0202 13F-HR LIVE false true false 0001595725 XXXXXXXX 12-31-2022 12-31-2022 false Rock Springs Capital Management LP

650 South Exeter Street Suite 1070 Baltimore MD 21202

13F HOLDINGS REPORT 028-16048 000168648 801-78511 N Nnamdi Etoh 410-220-0129 /s/ Nnamdi Etoh Baltimore MD 02-14-2023 0 120 4155902223 INFORMATION TABLE 2 infotable.xml ABCAM PLC ADS 000380204 BBG00XRJJM98 33920800 2180000 SH SOLE 2180000 0 0 ACADIA HEALTHCARE COMPANY IN COM 00404A109 BBG001SNNWL7 69601560 845500 SH SOLE 845500 0 0 ACCOLADE INC COM 00437E102 BBG00S2L1ZR1 15097020 1938000 SH SOLE 1938000 0 0 ACELRX PHARMACEUTICALS INC COM NEW 00444T209 BBG001TFZCK5 715200 316460 SH SOLE 316460 0 0 ACLARIS THERAPEUTICS INC COM 00461U105 BBG003LF0QS8 62389672 3961249 SH SOLE 3961249 0 0 ADAPTIMMUNE THERAPEUTICS PLC SPONDS ADR 00653A107 BBG008G65WD1 3907743 2676536 SH SOLE 2676536 0 0 AEGLEA BIOTHERAPEUTICS INC COM 00773J103 BBG0067L94C1 1535916 3413906 SH SOLE 3413906 0 0 AGILON HEALTH INC COM 00857U107 BBG00HCYVQR3 127062150 7872500 SH SOLE 7872500 0 0 AGIOS PHARMACEUTICALS INC COM 00847X104 BBG001T8R687 84144303 2996592 SH SOLE 2996592 0 0 AKERO THERAPEUTICS INC COM 00973Y108 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