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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 2014-03-31, filed 2014-05-15, with 75 holding rows worth $433,561,000.

Accession
0001172661-14-001101
Filed
2014-05-15
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q1 2014

A holdings report, 75 entries on the cover page, a total value of $433,561,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $433,561,000 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
Johnson & Johnson478160104COM250,000$24,558,000thousands by filing date
Gilead Sciences,Inc.375558103COM331,000$23,455,000thousands by filing date
AbbVie,Inc.00287Y109COM360,000$18,504,000thousands by filing date
BIOGEN INC COM09062X103Stock55,250$16,899,000thousands by filing date
MCKESSON CORP COM58155Q103Stock91,500$16,156,000thousands by filing date
UnitedHealth Group Inc91324P102COM181,000$14,840,000thousands by filing date
THORATEC CORP885175307COM401,000$14,360,000thousands by filing date
Amgen Inc.031162100COM115,000$14,184,000thousands by filing date
INTERMUNE INC45884X103COM410,000$13,723,000thousands by filing date
Thermo Fisher Scientific Inc.883556102COM107,250$12,896,000thousands by filing date
Health Care Select Sector SPDR Fund81369Y209SHS200,000$11,698,000thousands by filing date
ACTAVIS PLCG0083B108SHS56,250$11,579,000thousands by filing date
CELGENE CORP151020104COM77,000$10,749,000thousands by filing date
FLAMEL TECHNOLOGIES-SP ADR338488109SPON750,000$10,050,000thousands by filing date
Bristol-Myers Squibb Company110122108COM185,500$9,637,000thousands by filing date
AGILENT TECHNOLOGIES INC COM00846U101Stock155,000$8,668,000thousands by filing date
CVS Health Corporation126650100COM113,000$8,459,000thousands by filing date
THE COOPER COMPANIES216648402COM NEW60,500$8,310,000thousands by filing date
Intuitive Surgical,Inc.46120E602COM18,500$8,103,000thousands by filing date
HUMANA INC COM444859102Stock65,500$7,383,000thousands by filing date
ALEXION PHARMACEUTICALS INC015351109COM48,500$7,378,000thousands by filing date
VALEANT PHARMACEUTICALS INTL91911K102COM53,000$6,987,000thousands by filing date
ILLUMINA INC452327109COM42,500$6,318,000thousands by filing date
TEAM HEALTH HOLDINGS INC87817A107COMMON STOCK121,250$5,426,000thousands by filing date
OREXIGEN THERAPEUTICS INC686164104COMMON STOCK830,000$5,395,000thousands by filing date
CARDINAL HEALTH INC14149Y108COM76,000$5,318,000thousands by filing date
FOREST LABS INC345838106COM54,000$4,983,000thousands by filing date
NEUROCRINE BIOSCIENCES INC64125C109COM300,000$4,830,000thousands by filing date
HEARTWARE INTL INC422368100COM50,000$4,689,000thousands by filing date
WALGREEN CO931422109COM70,500$4,655,000thousands by filing date
ENVISION HEALTHCARE HLDGS IN29413U103COM137,500$4,652,000thousands by filing date
PERRIGO CO PLC SHSG97822103Stock28,500$4,408,000thousands by filing date
INTERCEPT PHARMACEUTICALS IN45845P108COM13,000$4,287,000thousands by filing date
PACIRA BIOSCIENCES INC COM695127100Stock61,000$4,269,000thousands by filing date
TESARO INC881569107COM129,500$3,818,000thousands by filing date
UNIVERSAL HLTH SVCS INC CL B913903100Stock45,000$3,693,000thousands by filing date
STERICYCLE INC858912108COM31,000$3,522,000thousands by filing date
HCA Healthcare Inc40412C101COM67,000$3,518,000thousands by filing date
FIVE PRIME THERAPEUTICS INC.33830X104Common Stock175,000$3,441,000thousands by filing date
MEDICINES CO584688105COM120,000$3,410,000thousands by filing date
INCYTE CORP COM45337C102Stock63,500$3,399,000thousands by filing date
COVANCE INC222816100COM32,500$3,377,000thousands by filing date
WELLCARE HEALTH PLANS INC94946T106COM51,500$3,271,000thousands by filing date
PHARMACYCLICS INC716933106COM31,500$3,157,000thousands by filing date
ATHENAHEALTH INC04685W103COMMON STOCK19,500$3,125,000thousands by filing date
CHARLES RIV LABS INTL INC159864107COM49,500$2,987,000thousands by filing date
DICERNA PHARMACEUTICALS INC253031108COM105,000$2,966,000thousands by filing date
CHINA CORD BLOOD CORPG21107100COM717,500$2,870,000thousands by filing date
FEI CO30241L109COM27,500$2,833,000thousands by filing date
RTI BIOLOGICS INC74975N105COM686,382$2,800,000thousands by filing date
JAZZ PHARMACEUTICALS PLC SHS USDG50871105Stock19,750$2,739,000thousands by filing date
MYLAN INC628530107COM53,000$2,588,000thousands by filing date
THERAVANCE INC88338T104COMMON STOCK83,250$2,576,000thousands by filing date
ULTRAGENYX PHARMACEUTICAL IN90400D108COM51,500$2,518,000thousands by filing date
PROTHENA CORP PLC SHSG72800108Stock65,000$2,490,000thousands by filing date
CERNER CORP156782104COM42,000$2,363,000thousands by filing date
REGENERON PHARMACEUTICALS COM75886F107Stock7,500$2,252,000thousands by filing date
CUBIST PHARMACEUTICALS INC229678107COM30,000$2,195,000thousands by filing date
CASTLIGHT HEALTH INC CL B14862Q100Stock100,000$2,122,000thousands by filing date
RECEPTOS, INC.756207106COMMON STOCK50,000$2,097,000thousands by filing date
PEDIATRIX MEDICAL GROUP INC58502B106COM32,500$2,014,000thousands by filing date
ADVISORY BOARD CO/THE00762W107Domestic Common31,075$1,997,000thousands by filing date
WUXI PHARMATECH CAYMAN INC929352102SPONS ADR SHS52,500$1,935,000thousands by filing date
KINDRED BIOSCIENCES INC COM494577109Stock92,500$1,714,000thousands by filing date
ALKERMES PLCG01767105SHS35,500$1,565,000thousands by filing date
NOVAVAX INC670002104COMMON STOCK325,000$1,472,000thousands by filing date
ARROWHEAD RESEARCH CORP042797209COM75,000$1,232,000thousands by filing date
ENTEROMEDICS INC29365M208COM NEW650,000$1,183,000thousands by filing date
INFINITY PHARMACEUTICALS INC45665G303COM97,500$1,159,000thousands by filing date
Vertex Pharmaceuticals Incorporated92532F100COM16,000$1,132,000thousands by filing date
AVANIR PHARMACEUTICALS INC05348P401CL A NEW300,000$1,101,000thousands by filing date
GW PHARMACEUTICALS PLC36197T103ADS17,750$1,054,000thousands by filing date
EXELIXIS INC COM30161Q104Stock249,000$881,000thousands by filing date
CONCERT PHARMACEUTICALS INC206022105COM59,553$801,000thousands by filing date
PUMA BIOTECHNOLOGY INC74587V107COMMON STOCK3,728$388,000thousands by filing date

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001172661-14-001101this filing2014-05-15acceptance time not in the bulk data set