0001172661-14-001468.txt : 20140814 0001172661-14-001468.hdr.sgml : 20140814 20140814151157 ACCESSION NUMBER: 0001172661-14-001468 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20140630 FILED AS OF DATE: 20140814 DATE AS OF CHANGE: 20140814 EFFECTIVENESS DATE: 20140814 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: 141042105 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 06-30-2014 06-30-2014 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 08-14-2014 0 78 557716 INFORMATION TABLE 2 infotable.xml ABBVIE INC COM 00287Y109 15521 275000 SH SOLE 275000 0 0 ACADIA HEALTHCARE COMPANY IN COM 00404A109 5460 120000 SH SOLE 120000 0 0 ACTAVIS PLC SHS G0083B108 14666 65750 SH SOLE 65750 0 0 ADVISORY BRD CO COM 00762W107 3756 72500 SH SOLE 72500 0 0 AETNA INC NEW COM 00817Y108 7500 92500 SH SOLE 92500 0 0 AGILENT TECHNOLOGIES INC COM 00846U101 5457 95000 SH SOLE 95000 0 0 ALEXION PHARMACEUTICALS INC COM 015351109 13398 85750 SH SOLE 85750 0 0 ALKERMES PLC SHS G01767105 2076 41250 SH SOLE 41250 0 0 ALLERGAN INC COM 018490102 2750 16250 SH SOLE 16250 0 0 AMGEN INC COM 031162100 13613 115000 SH SOLE 115000 0 0 ARROWHEAD RESH CORP COM NEW 042797209 1646 115000 SH SOLE 115000 0 0 ATHENAHEALTH INC COM 04685W103 7789 62250 SH SOLE 62250 0 0 AVANIR PHARMACEUTICALS INC CL A NEW 05348P401 3948 700000 SH SOLE 700000 0 0 BIOGEN IDEC INC COM 09062X103 18919 60000 SH SOLE 60000 0 0 CARDINAL HEALTH INC COM 14149Y108 5416 79000 SH SOLE 79000 0 0 CAREFUSION CORP COM 14170T101 3016 68000 SH SOLE 68000 0 0 CELGENE CORP COM 151020104 13741 160000 SH SOLE 160000 0 0 CERULEAN PHARMA INC COM 15708Q105 497 85635 SH SOLE 85635 0 0 CHARLES RIV LABS INTL INC COM 159864107 3813 71250 SH SOLE 71250 0 0 CHINA CORD BLOOD CORP SHS G21107100 4140 750000 SH SOLE 750000 0 0 CIGNA CORPORATION COM 125509109 8737 95000 SH SOLE 95000 0 0 COOPER COS INC COM NEW 216648402 8538 63000 SH SOLE 63000 0 0 COVANCE INC COM 222816100 3680 43000 SH SOLE 43000 0 0 CUBIST PHARMACEUTICALS INC COM 229678107 2723 39000 SH SOLE 39000 0 0 CVS CAREMARK CORPORATION COM 126650100 9139 121250 SH SOLE 121250 0 0 CYBERONICS INC COM 23251P102 4029 64500 SH SOLE 64500 0 0 ENTEROMEDICS INC COM NEW 29365M208 1326 850000 SH SOLE 850000 0 0 ENVISION HEALTHCARE HLDGS IN COM 29413U103 5925 165000 SH SOLE 165000 0 0 EXELIXIS INC COM 30161Q104 678 200000 SH SOLE 200000 0 0 FEI CO COM 30241L109 4174 46000 SH SOLE 46000 0 0 FIVE PRIME THERAPEUTICS INC COM 33830X104 1944 125000 SH SOLE 125000 0 0 FLAMEL TECHNOLOGIES SA SPONSORED ADR 338488109 11625 775000 SH SOLE 775000 0 0 FOREST LABS INC COM 345838106 5346 54000 SH SOLE 54000 0 0 GILEAD SCIENCES INC COM 375558103 28189 340000 SH SOLE 340000 0 0 HCA HOLDINGS INC COM 40412C101 4933 87500 SH SOLE 87500 0 0 HEARTWARE INTL INC COM 422368100 5089 57500 SH SOLE 57500 0 0 HILL ROM HLDGS INC COM 431475102 8094 195000 SH SOLE 195000 0 0 HUMANA INC COM 444859102 9260 72500 SH SOLE 72500 0 0 ILLUMINA INC COM 452327109 7677 43000 SH SOLE 43000 0 0 INCYTE CORP COM 45337C102 5348 94750 SH SOLE 94750 0 0 INFINITY PHARMACEUTICALS INC COM 45665G303 1943 152500 SH SOLE 152500 0 0 INTERCEPT PHARMACEUTICALS IN COM 45845P108 3573 15100 SH SOLE 15100 0 0 INTERMUNE INC COM 45884X103 23753 538000 SH SOLE 538000 0 0 INTUITIVE SURGICAL INC COM NEW 46120E602 8668 21050 SH SOLE 21050 0 0 KINDRED BIOSCIENCES INC COM 494577109 4623 248000 SH SOLE 248000 0 0 MCKESSON CORP COM 58155Q103 22159 119000 SH SOLE 119000 0 0 MEDICINES CO COM 584688105 3926 135100 SH SOLE 135100 0 0 MEDTRONIC INC COM 585055106 26460 415000 SH SOLE 415000 0 0 MERCK & CO INC NEW COM 58933Y105 27479 475000 SH SOLE 475000 0 0 MWI VETERINARY SUPPLY INC COM 55402X105 5360 37750 SH SOLE 37750 0 0 NEUROCRINE BIOSCIENCES INC COM 64125C109 4600 310000 SH SOLE 310000 0 0 NOVADAQ TECHNOLOGIES INC COM 66987G102 1483 90000 SH SOLE 90000 0 0 NOVAVAX INC COM 670002104 2633 570000 SH SOLE 570000 0 0 OREXIGEN THERAPEUTICS INC COM 686164104 5593 905000 SH SOLE 905000 0 0 PACIRA PHARMACEUTICALS INC COM 695127100 7142 77750 SH SOLE 77750 0 0 PERRIGO CO PLC SHS G97822103 4154 28500 SH SOLE 28500 0 0 PHARMACYCLICS INC COM 716933106 4867 54250 SH SOLE 54250 0 0 PROTHENA CORP PLC SHS G72800108 3383 150000 SH SOLE 150000 0 0 REGENERON PHARMACEUTICALS COM 75886F107 2119 7500 SH SOLE 7500 0 0 RELYPSA INC COM 759531106 3064 126000 SH SOLE 126000 0 0 RITE AID CORP COM 767754104 5736 800000 SH SOLE 800000 0 0 RTI SURGICAL INC COM 74975N105 7613 1750000 SH SOLE 1750000 0 0 ST JUDE MED INC COM 790849103 6925 100000 SH SOLE 100000 0 0 STERICYCLE INC COM 858912108 4914 41500 SH SOLE 41500 0 0 TANDEM DIABETES CARE INC COM 875372104 3171 195000 SH SOLE 195000 0 0 TEAM HEALTH HOLDINGS INC COM 87817A107 6093 122000 SH SOLE 122000 0 0 TESARO INC COM 881569107 5133 165000 SH SOLE 165000 0 0 THERAVANCE BIOPHARMA INC COM G8807B106 1594 50000 SH SOLE 50000 0 0 THERAVANCE INC COM 88338T104 5360 180000 SH SOLE 180000 0 0 THERMO FISHER SCIENTIFIC INC COM 883556102 12744 108000 SH SOLE 108000 0 0 THORATEC CORP COM NEW 885175307 17158 492200 SH SOLE 492200 0 0 ULTRAGENYX PHARMACEUTICAL IN COM 90400D108 2940 65500 SH SOLE 65500 0 0 VALEANT PHARMACEUTICALS INTL COM 91911K102 6968 55250 SH SOLE 55250 0 0 VERSARTIS INC COM 92529L102 3484 124255 SH SOLE 124255 0 0 VERTEX PHARMACEUTICALS INC COM 92532F100 4379 46250 SH SOLE 46250 0 0 WALGREEN CO COM 931422109 5930 80000 SH SOLE 80000 0 0 WELLCARE HEALTH PLANS INC COM 94946T106 3845 51500 SH SOLE 51500 0 0 WUXI PHARMATECH CAYMAN INC SPONS ADR SHS 929352102 3171 96500 SH SOLE 96500 0 0