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13F-HR filed by Rock Springs Capital Management LP

Rock Springs Capital Management LP filed this 13F-HR for the quarter ended 2014-12-31, filed 2015-02-17, with 93 holding rows worth $854,895,000.

Accession
0001172661-15-000638
Filed
2015-02-17
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q4 2014

A holdings report, 93 entries on the cover page, a total value of $854,895,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $854,895,000 with VALUE read as thousands by filing date, 13F file number 028-16048. The quarter's positions are built on this report. The resolved quarter.

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
MEDTRONIC INC585055106COM550,000$39,710,000thousands by filing date
AbbVie,Inc.00287Y109COM580,000$37,955,000thousands by filing date
COVIDIEN PLCG2554F113SHS295,000$30,173,000thousands by filing date
HCA Healthcare Inc40412C101COM408,000$29,943,000thousands by filing date
MCKESSON CORP COM58155Q103Stock139,750$29,009,000thousands by filing date
Amgen Inc.031162100COM161,000$25,646,000thousands by filing date
Merck & Co.,Inc.58933Y105COM450,000$25,556,000thousands by filing date
Gilead Sciences,Inc.375558103COM255,000$24,036,000thousands by filing date
ACTAVIS PLCG0083B108SHS88,000$22,652,000thousands by filing date
ST JUDE MED INC790849103COM335,000$21,785,000thousands by filing date
CELGENE CORP151020104COM193,000$21,589,000thousands by filing date
ACADIA HEALTHCARE COMPANY INC COM00404A109Stock329,750$20,184,000thousands by filing date
AVANIR PHARMACEUTICALS INC05348P401CL A NEW1,100,000$18,645,000thousands by filing date
THORATEC CORP885175307COM533,500$17,317,000thousands by filing date
ALEXION PHARMACEUTICALS INC015351109COM92,500$17,115,000thousands by filing date
BIOGEN INC COM09062X103Stock45,500$15,445,000thousands by filing date
TEAM HEALTH HOLDINGS INC87817A107COMMON STOCK266,500$15,332,000thousands by filing date
CVS Health Corporation126650100COM150,000$14,447,000thousands by filing date
HUMANA INC COM444859102Stock96,250$13,824,000thousands by filing date
AETNA INC NEW00817Y108COM131,000$11,637,000thousands by filing date
FLAMEL TECHNOLOGIES-SP ADR338488109SPON675,000$11,563,000thousands by filing date
ENVISION HEALTHCARE HLDGS IN29413U103COM315,000$10,927,000thousands by filing date
PHARMACYCLICS INC716933106COM88,500$10,820,000thousands by filing date
HILL ROM HLDGS INC431475102COM225,000$10,265,000thousands by filing date
OREXIGEN THERAPEUTICS INC686164104COMMON STOCK1,685,000$10,211,000thousands by filing date
Intuitive Surgical,Inc.46120E602COM18,500$9,785,000thousands by filing date
RTI BIOLOGICS INC74975N105COM1,860,000$9,672,000thousands by filing date
Health Care Select Sector SPDR Fund81369Y209SHS140,000$9,573,000thousands by filing date
CIGNA CORPORATION125509109COM93,000$9,571,000thousands by filing date
TORNIER NVN87237108COMMON STOCK-FO372,500$9,499,000thousands by filing date
VALEANT PHARMACEUTICALS INTL91911K102COM63,250$9,052,000thousands by filing date
Danaher Corporation235851102COM105,500$9,042,000thousands by filing date
SALIX PHARMACEUTICALS INC795435106COM77,500$8,908,000thousands by filing date
HEARTWARE INTL INC422368100COM120,000$8,812,000thousands by filing date
CUBIST PHARMACEUTICALS INC229678107COM87,500$8,807,000thousands by filing date
THE COOPER COMPANIES216648402COM NEW54,000$8,753,000thousands by filing date
INCYTE CORP COM45337C102Stock113,000$8,261,000thousands by filing date
NEUROCRINE BIOSCIENCES INC64125C109COM360,000$8,042,000thousands by filing date
RECEPTOS, INC.756207106COMMON STOCK65,000$7,963,000thousands by filing date
JUNO THERAPEUTICS INC48205A109COM144,426$7,542,000thousands by filing date
Vertex Pharmaceuticals Incorporated92532F100COM63,000$7,484,000thousands by filing date
CENCORA INC COM03073E105Stock80,000$7,213,000thousands by filing date
PERRIGO CO PLC SHSG97822103Stock42,500$7,104,000thousands by filing date
TESARO INC881569107COM187,500$6,973,000thousands by filing date
PRA HEALTH SCIENCES INC69354M108COM285,000$6,903,000thousands by filing date
RITEAID CORP767754104COM917,300$6,898,000thousands by filing date
MEDICINES CO584688105COM246,300$6,815,000thousands by filing date
MWI VETERINARY SUPPLY INC55402X105COM39,000$6,626,000thousands by filing date
KITE PHARMA INC49803L109COM114,474$6,602,000thousands by filing date
STERICYCLE INC858912108COM50,000$6,554,000thousands by filing date
NOVADAQ TECHNOLOGIES INC COMMON66987G102COM377,500$6,274,000thousands by filing date
RELYPSA INC759531106Common Stock188,000$5,790,000thousands by filing date
ILLUMINA INC452327109COM30,500$5,630,000thousands by filing date
STERIS CORP859152100COMMON STOCK81,000$5,253,000thousands by filing date
CONNECTURE INC COM20786J106Stock554,225$4,994,000thousands by filing date
WELLCARE HEALTH PLANS INC94946T106COM60,000$4,924,000thousands by filing date
ACHILLION PHARMACEUTICALS IN00448Q201COM365,000$4,471,000thousands by filing date
ZS PHARMA INC98979G105Common Stock107,000$4,448,000thousands by filing date
Tandem Diabetes Care, Inc.875372104COM350,000$4,445,000thousands by filing date
PUMA BIOTECHNOLOGY INC74587V107COMMON STOCK23,250$4,401,000thousands by filing date
THERAVANCE BIOPHARMA INCG8807B106COM290,000$4,327,000thousands by filing date
PROTHENA CORP PLC SHSG72800108Stock202,500$4,204,000thousands by filing date
FIBROGEN INC31572Q808COM151,300$4,137,000thousands by filing date
JAZZ PHARMACEUTICALS PLC SHS USDG50871105Stock25,000$4,093,000thousands by filing date
AERIE PHARMACEUTICALS INC00771V108COM140,000$4,087,000thousands by filing date
ALLERGAN INC018490102COM18,500$3,933,000thousands by filing date
COHERUS ONCOLOGY INC19249H103COM240,051$3,918,000thousands by filing date
CYBERONICS23251P102COMMON STOCK68,000$3,786,000thousands by filing date
NOVAVAX INC670002104COMMON STOCK635,000$3,766,000thousands by filing date
CATALENT INC USD 0.01148806102COM133,600$3,725,000thousands by filing date
CHINA CORD BLOOD CORPG21107100COM822,000$3,715,000thousands by filing date
REGENERON PHARMACEUTICALS COM75886F107Stock9,000$3,692,000thousands by filing date
WUXI PHARMATECH CAYMAN INC929352102SPONS ADR SHS107,500$3,620,000thousands by filing date
INFINITY PHARMACEUTICALS INC45665G303COM210,000$3,547,000thousands by filing date
EPIZYME INC29428V104COM181,500$3,425,000thousands by filing date
CERULEAN PHARMA INC15708Q105COM550,000$3,421,000thousands by filing date
FIVE PRIME THERAPEUTICS INC.33830X104Common Stock120,000$3,240,000thousands by filing date
ULTRAGENYX PHARMACEUTICAL IN90400D108COM71,000$3,115,000thousands by filing date
CASTLIGHT HEALTH INC CL B14862Q100Stock260,200$3,044,000thousands by filing date
INTERCEPT PHARMACEUTICALS IN45845P108COM16,400$2,558,000thousands by filing date
TRIVASCULAR TECHNOLOGIES INC89685A102COM198,000$2,489,000thousands by filing date
PFENEX INC717071104COM328,100$2,402,000thousands by filing date
BLUEBIRD BIO INC09609G100COM25,000$2,293,000thousands by filing date
XENOPORT INC98411C100COM235,000$2,061,000thousands by filing date
KINDRED BIOSCIENCES INC COM494577109Stock275,000$2,049,000thousands by filing date
GW PHARMACEUTICALS PLC36197T103ADS28,000$1,895,000thousands by filing date
ADVAXIS INC007624208COM NEW225,000$1,802,000thousands by filing date
HERON THERAPEUTICS INC427746102COM160,000$1,610,000thousands by filing date
ENTEROMEDICS INC29365M208COM NEW1,125,000$1,598,000thousands by filing date
DERMIRA INC24983L104COM87,274$1,581,000thousands by filing date
ROKA BIOSCIENCE INC775431109COM250,000$1,103,000thousands by filing date
CYMABAY THERAPEUTICS INC23257D103COM100,000$983,000thousands by filing date
BELLICUM PHARMACEUTICALS INC079481107COM35,000$806,000thousands by filing date

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001172661-15-000638this filing2015-02-17acceptance time not in the bulk data set