0001172661-23-002183.txt : 20230515 0001172661-23-002183.hdr.sgml : 20230515 20230515095842 ACCESSION NUMBER: 0001172661-23-002183 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20230331 FILED AS OF DATE: 20230515 DATE AS OF CHANGE: 20230515 EFFECTIVENESS DATE: 20230515 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: 23919238 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 03-31-2023 03-31-2023 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 05-15-2023 0 121 4191251943 INFORMATION TABLE 2 infotable.xml 89BIO INC COM 282559103 BBG00QKDZ985 2505335 164500 SH Call SOLE 164500 0 0 ABCAM PLC ADS 000380204 BBG00XRJJM98 30184050 2242500 SH SOLE 2242500 0 0 ACADIA HEALTHCARE COMPANY IN COM 00404A109 BBG001SNNWL7 62197713 860868 SH SOLE 860868 0 0 ACCOLADE INC COM 00437E102 BBG00S2L1ZR1 36597100 2545000 SH SOLE 2545000 0 0 ACELRX PHARMACEUTICALS INC COM NEW 00444T209 BBG001TFZCK5 208231 316460 SH SOLE 316460 0 0 ACLARIS THERAPEUTICS INC COM 00461U105 BBG003LF0QS8 32051358 3961849 SH SOLE 3961849 0 0 ADAPTIMMUNE THERAPEUTICS PLC SPONDS ADR 00653A107 BBG008G65WD1 3038751 2787845 SH SOLE 2787845 0 0 AEGLEA BIOTHERAPEUTICS INC COM 00773J103 BBG0067L94C1 990033 3413906 SH SOLE 3413906 0 0 AGILON HEALTH INC COM 00857U107 BBG00HCYVQR3 187209375 7882500 SH SOLE 7882500 0 0 AGIOS PHARMACEUTICALS INC COM 00847X104 BBG001T8R687 61137067 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PLIANT THERAPEUTICS INC COM 729139105 BBG00C8083P2 13066479 491221 SH SOLE 491221 0 0 PROMETHEUS BIOSCIENCES INC COM 74349U108 BBG00PPP6G63 110705946 1031550 SH SOLE 1031550 0 0 PROTHENA CORP PLC SHS G72800108 BBG00393H6N0 36520303 753462 SH SOLE 753462 0 0 PULMONX CORP COM 745848101 BBG001T4HJ52 7293832 652400 SH SOLE 652400 0 0 RELAY THERAPEUTICS INC COM 75943R102 BBG00DSS08L8 11100220 673966 SH SOLE 673966 0 0 RENEO PHARMACEUTICALS INC COM 75974E103 BBG00JVRSRD0 6836246 1143185 SH SOLE 1143185 0 0 REVOLUTION MEDICINES INC COM 76155X100 BBG00829F4Q7 15220742 702712 SH SOLE 702712 0 0 RHYTHM PHARMACEUTICALS INC COM 76243J105 BBG007DLZ629 28492674 1597123 SH SOLE 1597123 0 0 SAREPTA THERAPEUTICS INC COM 803607100 BBG001S6KJC6 60989775 442500 SH SOLE 442500 0 0 SEAGEN INC COM 81181C104 BBG001S9M4Q6 81028494 400200 SH SOLE 400200 0 0 SELECT SECTOR SPDR TR SBI HEALTHCARE 81369Y209 BBG001S7SCQ6 25892000 200000 SH SOLE 200000 0 0 SHOCKWAVE MED INC COM 82489T104 BBG005XVXMM4 24957133 115100 SH SOLE 115100 0 0 SPERO THERAPEUTICS INC COM 84833T103 BBG00HXSJ1S1 970823 669533 SH SOLE 669533 0 0 SPRUCE BIOSCIENCES INC COM 85209E109 BBG00HYZ1559 6029156 2728125 SH SOLE 2728125 0 0 TEMPEST THERAPEUTICS INC COM 87978U108 BBG002NDK348 1910877 823654 SH SOLE 823654 0 0 THESEUS PHARMACEUTICALS INC COM 88369M101 BBG00Z0GRC64 3883482 437329 SH SOLE 437329 0 0 TRAVERE THERAPEUTICS INC NOTE 2.500% 9/1 761299AB2 3126481 3250000 PRN SOLE 3250000 0 0 TRAVERE THERAPEUTICS INC COM 89422G107 BBG001SL72C5 28711859 1276650 SH SOLE 1276650 0 0 ULTRAGENYX PHARMACEUTICAL IN COM 90400D108 BBG001V2MJJ2 53589680 1336401 SH SOLE 1336401 0 0 UNITEDHEALTH GROUP INC COM 91324P102 BBG001S6WCJ1 127599300 270000 SH SOLE 270000 0 0 VERVE THERAPEUTICS INC COM 92539P101 BBG00P33TD13 8058430 558837 SH SOLE 558837 0 0 VIGIL NEUROSCIENCE INC COM 92673K108 BBG00YGBK4R3 4620469 471958 SH SOLE 471958 0 0 VINCERX PHARMA INC COM NEW 92731L106 BBG00RRQXMY1 927388 891719 SH SOLE 891719 0 0 WARBY PARKER INC CL A COM 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