0001172661-15-000638.txt : 20150218 0001172661-15-000638.hdr.sgml : 20150216 20150217140126 ACCESSION NUMBER: 0001172661-15-000638 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20141231 FILED AS OF DATE: 20150217 DATE AS OF CHANGE: 20150217 EFFECTIVENESS DATE: 20150217 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: 15620814 BUSINESS ADDRESS: STREET 1: 650 SOUTH EXETER STREET CITY: BALTIMORE STATE: MD ZIP: 21202 BUSINESS PHONE: 4102200129 MAIL ADDRESS: STREET 1: 650 SOUTH EXETER STREET CITY: BALTIMORE STATE: MD ZIP: 21202 13F-HR 1 primary_doc.xml 13F-HR LIVE false true false 0001595725 XXXXXXXX 12-31-2014 12-31-2014 false Rock Springs Capital Management LP

650 South Exeter Street Baltimore MD 21202

13F HOLDINGS REPORT 028-16048 N Evans Apeadu 410-220-0129 /s/ Evans Apeadu Baltimore MD 02-17-2015 0 93 854895 INFORMATION TABLE 2 infotable.xml ABBVIE INC COM 00287Y109 37955 580000 SH SOLE 580000 0 0 ACADIA HEALTHCARE COMPANY IN COM 00404A109 20184 329750 SH SOLE 329750 0 0 ACHILLION PHARMACEUTICALS IN COM 00448Q201 4471 365000 SH SOLE 365000 0 0 ACTAVIS PLC SHS G0083B108 22652 88000 SH SOLE 88000 0 0 ADVAXIS INC COM NEW 007624208 1802 225000 SH SOLE 225000 0 0 AERIE PHARMACEUTICALS INC COM 00771V108 4087 140000 SH SOLE 140000 0 0 AETNA INC NEW COM 00817Y108 11637 131000 SH SOLE 131000 0 0 ALEXION PHARMACEUTICALS INC COM 015351109 17115 92500 SH SOLE 92500 0 0 ALLERGAN INC COM 018490102 3933 18500 SH SOLE 18500 0 0 AMERISOURCEBERGEN CORP COM 03073E105 7213 80000 SH SOLE 80000 0 0 AMGEN INC COM 031162100 25646 161000 SH SOLE 161000 0 0 AVANIR PHARMACEUTICALS INC CL A NEW 05348P401 18645 1100000 SH SOLE 1100000 0 0 BELLICUM PHARMACEUTICALS INC COM 079481107 806 35000 SH SOLE 35000 0 0 BIOGEN IDEC INC COM 09062X103 15445 45500 SH SOLE 45500 0 0 BLUEBIRD BIO INC COM 09609G100 2293 25000 SH SOLE 25000 0 0 CASTLIGHT HEALTH INC CL B 14862Q100 3044 260200 SH SOLE 260200 0 0 CATALENT INC COM 148806102 3725 133600 SH SOLE 133600 0 0 CELGENE CORP COM 151020104 21589 193000 SH SOLE 193000 0 0 CERULEAN PHARMA INC COM 15708Q105 3421 550000 SH SOLE 550000 0 0 CHINA CORD BLOOD CORP SHS G21107100 3715 822000 SH SOLE 822000 0 0 CIGNA CORPORATION COM 125509109 9571 93000 SH SOLE 93000 0 0 COHERUS BIOSCIENCES INC COM 19249H103 3918 240051 SH SOLE 240051 0 0 CONNECTURE INC COM 20786J106 4994 554225 SH SOLE 554225 0 0 COOPER COS INC COM NEW 216648402 8753 54000 SH SOLE 54000 0 0 COVIDIEN PLC SHS G2554F113 30173 295000 SH SOLE 295000 0 0 CUBIST PHARMACEUTICALS INC COM 229678107 8807 87500 SH SOLE 87500 0 0 CVS HEALTH CORP COM 126650100 14447 150000 SH SOLE 150000 0 0 CYBERONICS INC COM 23251P102 3786 68000 SH SOLE 68000 0 0 CYMABAY THERAPEUTICS INC COM 23257D103 983 100000 SH SOLE 100000 0 0 DANAHER CORP DEL COM 235851102 9042 105500 SH SOLE 105500 0 0 DERMIRA INC COM 24983L104 1581 87274 SH SOLE 87274 0 0 ENTEROMEDICS INC COM NEW 29365M208 1598 1125000 SH SOLE 1125000 0 0 ENVISION HEALTHCARE HLDGS IN COM 29413U103 10927 315000 SH SOLE 315000 0 0 EPIZYME INC COM 29428V104 3425 181500 SH SOLE 181500 0 0 FIBROGEN INC COM 31572Q808 4137 151300 SH SOLE 151300 0 0 FIVE PRIME THERAPEUTICS INC COM 33830X104 3240 120000 SH SOLE 120000 0 0 FLAMEL TECHNOLOGIES SA SPONSORED ADR 338488109 11563 675000 SH SOLE 675000 0 0 GILEAD SCIENCES INC COM 375558103 24036 255000 SH SOLE 255000 0 0 GW PHARMACEUTICALS PLC ADS 36197T103 1895 28000 SH SOLE 28000 0 0 HCA HOLDINGS INC COM 40412C101 29943 408000 SH SOLE 408000 0 0 HEARTWARE INTL INC COM 422368100 8812 120000 SH SOLE 120000 0 0 HERON THERAPEUTICS INC COM 427746102 1610 160000 SH SOLE 160000 0 0 HILL ROM HLDGS INC COM 431475102 10265 225000 SH SOLE 225000 0 0 HUMANA INC COM 444859102 13824 96250 SH SOLE 96250 0 0 ILLUMINA INC COM 452327109 5630 30500 SH SOLE 30500 0 0 INCYTE CORP COM 45337C102 8261 113000 SH SOLE 113000 0 0 INFINITY PHARMACEUTICALS INC COM 45665G303 3547 210000 SH SOLE 210000 0 0 INTERCEPT PHARMACEUTICALS IN COM 45845P108 2558 16400 SH SOLE 16400 0 0 INTUITIVE SURGICAL INC COM NEW 46120E602 9785 18500 SH SOLE 18500 0 0 JAZZ PHARMACEUTICALS PLC SHS USD G50871105 4093 25000 SH SOLE 25000 0 0 JUNO THERAPEUTICS INC COM 48205A109 7542 144426 SH SOLE 144426 0 0 KINDRED BIOSCIENCES INC COM 494577109 2049 275000 SH SOLE 275000 0 0 KITE PHARMA INC COM 49803L109 6602 114474 SH SOLE 114474 0 0 MCKESSON CORP COM 58155Q103 29009 139750 SH SOLE 139750 0 0 MEDICINES CO COM 584688105 6815 246300 SH SOLE 246300 0 0 MEDTRONIC INC COM 585055106 39710 550000 SH SOLE 550000 0 0 MERCK & CO INC NEW COM 58933Y105 25556 450000 SH SOLE 450000 0 0 MWI VETERINARY SUPPLY INC COM 55402X105 6626 39000 SH SOLE 39000 0 0 NEUROCRINE BIOSCIENCES INC COM 64125C109 8042 360000 SH SOLE 360000 0 0 NOVADAQ TECHNOLOGIES INC COM 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SPDR TR SBI HEALTHCARE 81369Y209 9573 140000 SH SOLE 140000 0 0 ST JUDE MED INC COM 790849103 21785 335000 SH SOLE 335000 0 0 STERICYCLE INC COM 858912108 6554 50000 SH SOLE 50000 0 0 STERIS CORP COM 859152100 5253 81000 SH SOLE 81000 0 0 TANDEM DIABETES CARE INC COM 875372104 4445 350000 SH SOLE 350000 0 0 TEAM HEALTH HOLDINGS INC COM 87817A107 15332 266500 SH SOLE 266500 0 0 TESARO INC COM 881569107 6973 187500 SH SOLE 187500 0 0 THERAVANCE BIOPHARMA INC COM G8807B106 4327 290000 SH SOLE 290000 0 0 THORATEC CORP COM NEW 885175307 17317 533500 SH SOLE 533500 0 0 TORNIER N V SHS N87237108 9499 372500 SH SOLE 372500 0 0 TRIVASCULAR TECHNOLOGIES INC COM 89685A102 2489 198000 SH SOLE 198000 0 0 ULTRAGENYX PHARMACEUTICAL IN COM 90400D108 3115 71000 SH SOLE 71000 0 0 VALEANT PHARMACEUTICALS INTL COM 91911K102 9052 63250 SH SOLE 63250 0 0 VERTEX PHARMACEUTICALS INC COM 92532F100 7484 63000 SH SOLE 63000 0 0 WELLCARE HEALTH PLANS INC COM 94946T106 4924 60000 SH SOLE 60000 0 0 WUXI PHARMATECH CAYMAN INC SPONS ADR SHS 929352102 3620 107500 SH SOLE 107500 0 0 XENOPORT INC COM 98411C100 2061 235000 SH SOLE 235000 0 0 ZS PHARMA INC COM 98979G105 4448 107000 SH SOLE 107000 0 0