0001172661-24-001078.txt : 20240214 0001172661-24-001078.hdr.sgml : 20240214 20240214111324 ACCESSION NUMBER: 0001172661-24-001078 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20231231 FILED AS OF DATE: 20240214 DATE AS OF CHANGE: 20240214 EFFECTIVENESS DATE: 20240214 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Rock Springs Capital Management LP CENTRAL INDEX KEY: 0001595725 ORGANIZATION NAME: 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: 24634228 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 12-31-2023 12-31-2023 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 02-14-2024 0 104 4062169985 INFORMATION TABLE 2 infotable.xml ACADIA HEALTHCARE COMPANY IN COM 00404A109 BBG001SNNWL7 83475360 1073500 SH SOLE 1073500 0 0 ACCOLADE INC COM 00437E102 BBG00S2L1ZR1 41854850 3485000 SH SOLE 3485000 0 0 ACELRX PHARMACEUTICALS INC COM NEW 00444T209 BBG001TFZCK5 232598 316460 SH SOLE 316460 0 0 ACLARIS THERAPEUTICS INC COM 00461U105 BBG003LF0QS8 3148420 2998495 SH SOLE 2998495 0 0 ACUMEN PHARMACEUTICALS INC COM 00509G209 BBG0058YJ326 8832227 2300059 SH SOLE 2300059 0 0 ADAPTIMMUNE THERAPEUTICS PLC SPONDS ADR 00653A107 BBG008G65WD1 1923396 2425468 SH SOLE 2425468 0 0 AGILON HEALTH INC COM 00857U107 BBG00HCYVQR3 108306500 8630000 SH SOLE 8630000 0 0 AGIOS PHARMACEUTICALS INC COM 00847X104 BBG001T8R687 47928893 2152173 SH SOLE 2152173 0 0 AKERO THERAPEUTICS INC COM 00973Y108 BBG00L9211Z7 25242844 1081064 SH SOLE 1081064 0 0 ALIGN TECHNOLOGY INC COM 016255101 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PLIANT THERAPEUTICS INC COM 729139105 BBG00C8083P2 6972278 384996 SH SOLE 384996 0 0 PROTHENA CORP PLC SHS G72800108 BBG00393H6N0 22714244 625048 SH SOLE 625048 0 0 PULMONX CORP COM 745848101 BBG001T4HJ52 8318100 652400 SH SOLE 652400 0 0 RELAY THERAPEUTICS INC COM 75943R102 BBG00DSS08L8 7420366 673966 SH SOLE 673966 0 0 RENEO PHARMACEUTICALS INC COM 75974E103 BBG00JVRSRD0 1202768 751730 SH SOLE 751730 0 0 REVOLUTION MEDICINES INC COM 76155X100 BBG00829F4Q7 20797359 725152 SH SOLE 725152 0 0 RHYTHM PHARMACEUTICALS INC COM 76243J105 BBG007DLZ629 70007391 1522893 SH SOLE 1522893 0 0 SAGIMET BIOSCIENCES INC COM SER A 786700104 BBG0020584Z8 4001884 738355 SH SOLE 738355 0 0 SAREPTA THERAPEUTICS INC COM 803607100 BBG001S6KJC6 31590468 327600 SH SOLE 327600 0 0 SHOCKWAVE MED INC COM 82489T104 BBG005XVXMM4 22867200 120000 SH SOLE 120000 0 0 SPRUCE BIOSCIENCES INC COM 85209E109 BBG00HYZ1559 7644736 2609125 SH SOLE 2609125 0 0 STRUCTURE THERAPEUTICS INC SPONSORED ADS 86366E106 BBG01CBVHMQ6 11684914 286676 SH SOLE 286676 0 0 TRAVERE THERAPEUTICS INC COM 89422G107 BBG001SL72C5 24915300 2771446 SH SOLE 2771446 0 0 TRAVERE THERAPEUTICS INC NOTE 2.500% 9/1 761299AB2 2767863 3250000 PRN SOLE 3250000 0 0 ULTRAGENYX PHARMACEUTICAL IN COM 90400D108 BBG001V2MJJ2 83878097 1754038 SH SOLE 1754038 0 0 UNITEDHEALTH GROUP INC COM 91324P102 BBG001S6WCJ1 121088100 230000 SH SOLE 230000 0 0 VIGIL NEUROSCIENCE INC COM 92673K108 BBG00YGBK4R3 1595218 471958 SH SOLE 471958 0 0 VINCERX PHARMA INC COM NEW 92731L106 BBG00RRQXMY1 1052228 891719 SH SOLE 891719 0 0 WARBY PARKER INC CL A COM 93403J106 BBG005DWN8L7 28599030 2028300 SH SOLE 2028300 0 0 WEST PHARMACEUTICAL SVSC INC COM 955306105 BBG001S5XK22 48328470 137250 SH SOLE 137250 0 0 XENON PHARMACEUTICALS INC COM 98420N105 BBG002VBMLS5 57831877 1255577 SH SOLE 1255577 0 0 XILIO THERAPEUTICS INC COM 98422T100 BBG00M4D4XC8 792417 1440759 SH SOLE 1440759 0 0 ZAI LAB LTD ADR 98887Q104 BBG00HFX3P04 31074839 1137023 SH SOLE 1137023 0 0