0001172661-22-001359.txt : 20220516 0001172661-22-001359.hdr.sgml : 20220516 20220516100242 ACCESSION NUMBER: 0001172661-22-001359 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20220331 FILED AS OF DATE: 20220516 DATE AS OF CHANGE: 20220516 EFFECTIVENESS DATE: 20220516 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: 22926195 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 13F-HR LIVE false true false 0001595725 XXXXXXXX 03-31-2022 03-31-2022 false Rock Springs Capital Management LP

650 South Exeter Street Suite 1070 Baltimore MD 21202

13F HOLDINGS REPORT 028-16048 N Nnamdi Etoh 410-220-0129 /s/ Nnamdi Etoh Baltimore MD 05-16-2022 0 135 3972616 INFORMATION TABLE 2 infotable.xml ABCAM PLC ADS 000380204 26208 1432900 SH SOLE 1432900 0 0 ACADIA HEALTHCARE COMPANY IN COM 00404A109 49377 753500 SH SOLE 753500 0 0 ACCOLADE INC COM 00437E102 26428 1505000 SH SOLE 1505000 0 0 ACELRX PHARMACEUTICALS INC COM 00444T100 1807 6329202 SH SOLE 6329202 0 0 ACLARIS THERAPEUTICS INC COM 00461U105 66633 3865034 SH SOLE 3865034 0 0 ADAPTIMMUNE THERAPEUTICS PLC SPONDS ADR 00653A107 4732 2297194 SH SOLE 2297194 0 0 AEGLEA BIOTHERAPEUTICS INC COM 00773J103 4166 1811425 SH SOLE 1811425 0 0 AGILON HEALTH INC COM 00857U107 193674 7640000 SH SOLE 7640000 0 0 AGIOS PHARMACEUTICALS INC COM 00847X104 77586 2665275 SH SOLE 2665275 0 0 AKERO THERAPEUTICS INC COM 00973Y108 9014 635214 SH SOLE 635214 0 0 ALIGN TECHNOLOGY INC COM 016255101 94394 216500 SH SOLE 216500 0 0 ALNYLAM PHARMACEUTICALS INC COM 02043Q107 54294 332500 SH SOLE 332500 0 0 AMARIN CORP PLC SPONS ADR NEW 023111206 14541 4419700 SH SOLE 4419700 0 0 AMICUS THERAPEUTICS INC COM 03152W109 9588 1012506 SH SOLE 1012506 0 0 AMRYT PHARMA PLC SPONSORED ADS 03217L106 10799 1305825 SH SOLE 1305825 0 0 AMYLYX PHARMACEUTICALS INC COM 03237H101 12828 998307 SH SOLE 998307 0 0 ANAPTYSBIO INC COM 032724106 13936 563300 SH SOLE 563300 0 0 APPLIED THERAPEUTICS INC COM 03828A101 1481 701680 SH SOLE 701680 0 0 ARGENX SE SPONSORED ADR 04016X101 110359 350000 SH SOLE 350000 0 0 ARVINAS INC COM 04335A105 30796 457600 SH SOLE 457600 0 0 ASCENDIS PHARMA A/S SPONSORED ADR 04351P101 48998 417500 SH SOLE 417500 0 0 ATHIRA PHARMA INC COM 04746L104 7455 552252 SH SOLE 552252 0 0 ATRECA INC CL A COM 04965G109 1466 462530 SH SOLE 462530 0 0 AURA BIOSCIENCES INC COM 05153U107 22179 1008114 SH SOLE 1008114 0 0 AURINIA PHARMACEUTICALS INC COM 05156V102 9545 771018 SH SOLE 771018 0 0 BAXTER INTL INC COM 071813109 58209 750700 SH SOLE 750700 0 0 BCLS ACQUISITION CORP COM CL A G0904B105 3050 309000 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SH SOLE 3755820 0 0 MIRATI THERAPEUTICS INC COM 60468T105 46021 559734 SH SOLE 559734 0 0 MIRUM PHARMACEUTICALS INC COM 604749101 36690 1666208 SH SOLE 1666208 0 0 NEUROCRINE BIOSCIENCES INC NOTE 2.250% 5/1 64125CAD1 1320 1000000 PRN SOLE 1000000 0 0 NEUROCRINE BIOSCIENCES INC COM 64125C109 103594 1105000 SH SOLE 1105000 0 0 NEVRO CORP COM 64157F103 52186 721500 SH SOLE 721500 0 0 NEVRO CORP NOTE 2.750% 4/0 64157FAC7 541 500000 PRN SOLE 500000 0 0 NKARTA INC COM 65487U108 5803 509948 SH SOLE 509948 0 0 NOVAVAX INC COM NEW 670002401 33010 448200 SH SOLE 448200 0 0 NOVOCURE LTD ORD SHS G6674U108 14499 175000 SH SOLE 175000 0 0 NUVATION BIO INC *W EXP 07/07/202 67080N119 108 134028 SH SOLE 134028 0 0 OLINK HLDG AB SPONSORED ADS 680710100 17413 986000 SH SOLE 986000 0 0 ORION ACQUISITION CORP UNIT 02/19/2026 68626A207 9820 1000000 SH SOLE 1000000 0 0 PACIRA BIOSCIENCES INC COM 695127100 76320 1000000 SH SOLE 1000000 0 0 PARATEK PHARMACEUTICALS INC COM 699374302 5128 1726637 SH SOLE 1726637 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81181C104 38966 270500 SH SOLE 270500 0 0 SHATTUCK LABS INC COM 82024L103 1336 313499 SH SOLE 313499 0 0 SHOCKWAVE MED INC COM 82489T104 56298 271500 SH SOLE 271500 0 0 SIERRA ONCOLOGY INC COM NEW 82640U404 37652 1174786 SH SOLE 1174786 0 0 SPERO THERAPEUTICS INC COM 84833T103 8621 990913 SH SOLE 990913 0 0 SPRUCE BIOSCIENCES INC COM 85209E109 3262 1622689 SH SOLE 1622689 0 0 TEMPEST THERAPEUTICS INC COM 87978U108 2784 823654 SH SOLE 823654 0 0 THERAVANCE BIOPHARMA INC NOTE 3.250%11/0 88339KAA0 1420 1500000 PRN SOLE 1500000 0 0 THESEUS PHARMACEUTICALS INC COM 88369M101 5042 437329 SH SOLE 437329 0 0 TRAVERE THERAPEUTICS INC COM 89422G107 24524 951650 SH SOLE 951650 0 0 TRAVERE THERAPEUTICS INC NOTE 2.500% 9/1 761299AB2 3396 3250000 PRN SOLE 3250000 0 0 ULTRAGENYX PHARMACEUTICAL IN COM 90400D108 74661 1028109 SH SOLE 1028109 0 0 UNITEDHEALTH GROUP INC COM 91324P102 122393 240000 SH SOLE 240000 0 0 VERVE THERAPEUTICS INC COM 92539P101 11502 504037 SH SOLE 504037 0 0 VIGIL NEUROSCIENCE 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