0001172661-21-002388.txt : 20211115 0001172661-21-002388.hdr.sgml : 20211115 20211115164032 ACCESSION NUMBER: 0001172661-21-002388 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20210930 FILED AS OF DATE: 20211115 DATE AS OF CHANGE: 20211115 EFFECTIVENESS DATE: 20211115 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: 211411649 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 09-30-2021 09-30-2021 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 11-15-2021 0 153 4755966 INFORMATION TABLE 2 infotable.xml AADI BIOSCIENCES INC COM 00032Q104 22459 764701 SH SOLE 764701 0 0 ABCAM PLC ADS 000380204 23262 1147588 SH SOLE 1147588 0 0 ACADIA HEALTHCARE COMPANY IN COM 00404A109 45284 710000 SH SOLE 710000 0 0 ACCOLADE INC COM 00437E102 38923 923000 SH SOLE 923000 0 0 ACELRX PHARMACEUTICALS INC COM 00444T100 3896 3819402 SH SOLE 3819402 0 0 ACLARIS THERAPEUTICS INC COM 00461U105 68458 3803232 SH SOLE 3803232 0 0 ACUMEN PHARMACEUTICALS INC COM 00509G209 23467 1579191 SH SOLE 1579191 0 0 ADAPTIMMUNE THERAPEUTICS PLC SPONDS ADR 00653A107 11321 2189788 SH SOLE 2189788 0 0 AEGLEA BIOTHERAPEUTICS INC COM 00773J103 12540 1577296 SH SOLE 1577296 0 0 AGILON HEALTH INC COM 00857U107 185436 7075000 SH SOLE 7075000 0 0 AGIOS PHARMACEUTICALS INC COM 00847X104 117968 2556179 SH SOLE 2556179 0 0 AKERO THERAPEUTICS INC COM 00973Y108 12710 568701 SH SOLE 568701 0 0 ALIGN TECHNOLOGY INC COM 016255101 133086 200000 SH SOLE 200000 0 0 ALLAKOS INC COM 01671P100 32365 305706 SH SOLE 305706 0 0 ALNYLAM PHARMACEUTICALS INC COM 02043Q107 58720 311000 SH SOLE 311000 0 0 AMARIN CORP PLC SPONS ADR NEW 023111206 22032 4320000 SH SOLE 4320000 0 0 AMICUS THERAPEUTICS INC COM 03152W109 9669 1012506 SH SOLE 1012506 0 0 AMRYT PHARMA PLC SPONSORED ADS 03217L106 15601 1295225 SH SOLE 1295225 0 0 ANAPTYSBIO INC COM 032724106 14532 535832 SH SOLE 535832 0 0 APELLIS PHARMACEUTICALS INC COM 03753U106 872 26458 SH SOLE 26458 0 0 APPLIED THERAPEUTICS INC COM 03828A101 11648 701680 SH SOLE 701680 0 0 ARGENX SE SPONSORED ADR 04016X101 95130 315000 SH SOLE 315000 0 0 ARVINAS INC COM 04335A105 47459 577500 SH SOLE 577500 0 0 ASCENDIS PHARMA A/S SPONSORED ADR 04351P101 63756 400000 SH SOLE 400000 0 0 ATAI LIFE SCIENCES NV SHS N0731H103 4698 317628 SH SOLE 317628 0 0 ATEA PHARMACEUTICALS INC COM 04683R106 26306 750307 SH SOLE 750307 0 0 ATHIRA PHARMA INC COM 04746L104 5180 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0 PARATEK PHARMACEUTICALS INC COM 699374302 8092 1665014 SH SOLE 1665014 0 0 PENUMBRA INC COM 70975L107 39309 147500 SH SOLE 147500 0 0 PHASEBIO PHARMACEUTICALS INC COM 717224109 5734 1843764 SH SOLE 1843764 0 0 PHREESIA INC COM 71944F106 59849 970000 SH SOLE 970000 0 0 POPULATION HEALTH INVS CO IN UNIT 99/99/9999 G71716123 2011 201044 SH SOLE 201044 0 0 POSEIDA THERAPEUTICS INC COM 73730P108 2112 289754 SH SOLE 289754 0 0 PRELUDE THERAPEUTICS INC COM 74065P101 11324 362359 SH SOLE 362359 0 0 PROMETHEUS BIOSCIENCES INC COM 74349U108 14466 610136 SH SOLE 610136 0 0 PROTHENA CORP PLC SHS G72800108 50604 710430 SH SOLE 710430 0 0 PULMONX CORP COM 745848101 25186 700000 SH SOLE 700000 0 0 RADIUS HEALTH INC NOTE 3.000% 9/0 750469AA6 1370 1500000 PRN SOLE 1500000 0 0 RELAY THERAPEUTICS INC COM 75943R102 14805 469560 SH SOLE 469560 0 0 RENEO PHARMACEUTICALS INC COM 75974E103 8517 1143185 SH SOLE 1143185 0 0 RHYTHM PHARMACEUTICALS INC COM 76243J105 7995 612180 SH SOLE 612180 0 0 RIGEL PHARMACEUTICALS INC COM NEW 766559603 17400 4793400 SH SOLE 4793400 0 0 ROCKET PHARMACEUTICALS INC COM 77313F106 12054 403270 SH SOLE 403270 0 0 SAREPTA THERAPEUTICS INC COM 803607100 32368 350000 SH SOLE 350000 0 0 SEAGEN INC COM 81181C104 42450 250000 SH SOLE 250000 0 0 SHATTUCK LABS INC COM 82024L103 6389 313499 SH SOLE 313499 0 0 SHOCKWAVE MED INC COM 82489T104 45294 220000 SH SOLE 220000 0 0 SIERRA ONCOLOGY INC COM NEW 82640U404 28803 1313997 SH SOLE 1313997 0 0 SPERO THERAPEUTICS INC COM 84833T103 17334 941543 SH SOLE 941543 0 0 SPRUCE BIOSCIENCES INC COM 85209E109 9722 1617601 SH SOLE 1617601 0 0 TELEFLEX INCORPORATED COM 879369106 48952 130000 SH SOLE 130000 0 0 TEMPEST THERAPEUTICS INC COM 87978U108 4488 310161 SH SOLE 310161 0 0 THERAVANCE BIOPHARMA INC COM G8807B106 5088 687500 SH SOLE 687500 0 0 THERAVANCE BIOPHARMA INC NOTE 3.250%11/0 88339KAA0 1391 1500000 PRN SOLE 1500000 0 0 TRAVERE THERAPEUTICS INC COM 89422G107 36298 1496817 SH SOLE 1496817 0 0 TRAVERE THERAPEUTICS 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