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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 2014-06-30, filed 2014-08-14, with 78 holding rows worth $557,716,000.

Accession
0001172661-14-001468
Filed
2014-08-14
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q2 2014

A holdings report, 78 entries on the cover page, a total value of $557,716,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $557,716,000 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
Gilead Sciences,Inc.375558103COM340,000$28,189,000thousands by filing date
Merck & Co.,Inc.58933Y105COM475,000$27,479,000thousands by filing date
MEDTRONIC INC585055106COM415,000$26,460,000thousands by filing date
INTERMUNE INC45884X103COM538,000$23,753,000thousands by filing date
MCKESSON CORP COM58155Q103Stock119,000$22,159,000thousands by filing date
BIOGEN INC COM09062X103Stock60,000$18,919,000thousands by filing date
THORATEC CORP885175307COM492,200$17,158,000thousands by filing date
AbbVie,Inc.00287Y109COM275,000$15,521,000thousands by filing date
ACTAVIS PLCG0083B108SHS65,750$14,666,000thousands by filing date
CELGENE CORP151020104COM160,000$13,741,000thousands by filing date
Amgen Inc.031162100COM115,000$13,613,000thousands by filing date
ALEXION PHARMACEUTICALS INC015351109COM85,750$13,398,000thousands by filing date
Thermo Fisher Scientific Inc.883556102COM108,000$12,744,000thousands by filing date
FLAMEL TECHNOLOGIES-SP ADR338488109SPON775,000$11,625,000thousands by filing date
HUMANA INC COM444859102Stock72,500$9,260,000thousands by filing date
CVS Health Corporation126650100COM121,250$9,139,000thousands by filing date
CIGNA CORPORATION125509109COM95,000$8,737,000thousands by filing date
Intuitive Surgical,Inc.46120E602COM21,050$8,668,000thousands by filing date
THE COOPER COMPANIES216648402COM NEW63,000$8,538,000thousands by filing date
HILL ROM HLDGS INC431475102COM195,000$8,094,000thousands by filing date
ATHENAHEALTH INC04685W103COMMON STOCK62,250$7,789,000thousands by filing date
ILLUMINA INC452327109COM43,000$7,677,000thousands by filing date
RTI BIOLOGICS INC74975N105COM1,750,000$7,613,000thousands by filing date
AETNA INC NEW00817Y108COM92,500$7,500,000thousands by filing date
PACIRA BIOSCIENCES INC COM695127100Stock77,750$7,142,000thousands by filing date
VALEANT PHARMACEUTICALS INTL91911K102COM55,250$6,968,000thousands by filing date
ST JUDE MED INC790849103COM100,000$6,925,000thousands by filing date
TEAM HEALTH HOLDINGS INC87817A107COMMON STOCK122,000$6,093,000thousands by filing date
WALGREEN CO931422109COM80,000$5,930,000thousands by filing date
ENVISION HEALTHCARE HLDGS IN29413U103COM165,000$5,925,000thousands by filing date
RITEAID CORP767754104COM800,000$5,736,000thousands by filing date
OREXIGEN THERAPEUTICS INC686164104COMMON STOCK905,000$5,593,000thousands by filing date
ACADIA HEALTHCARE COMPANY INC COM00404A109Stock120,000$5,460,000thousands by filing date
AGILENT TECHNOLOGIES INC COM00846U101Stock95,000$5,457,000thousands by filing date
CARDINAL HEALTH INC14149Y108COM79,000$5,416,000thousands by filing date
THERAVANCE INC88338T104COMMON STOCK180,000$5,360,000thousands by filing date
MWI VETERINARY SUPPLY INC55402X105COM37,750$5,360,000thousands by filing date
INCYTE CORP COM45337C102Stock94,750$5,348,000thousands by filing date
FOREST LABS INC345838106COM54,000$5,346,000thousands by filing date
TESARO INC881569107COM165,000$5,133,000thousands by filing date
HEARTWARE INTL INC422368100COM57,500$5,089,000thousands by filing date
HCA Healthcare Inc40412C101COM87,500$4,933,000thousands by filing date
STERICYCLE INC858912108COM41,500$4,914,000thousands by filing date
PHARMACYCLICS INC716933106COM54,250$4,867,000thousands by filing date
KINDRED BIOSCIENCES INC COM494577109Stock248,000$4,623,000thousands by filing date
NEUROCRINE BIOSCIENCES INC64125C109COM310,000$4,600,000thousands by filing date
Vertex Pharmaceuticals Incorporated92532F100COM46,250$4,379,000thousands by filing date
FEI CO30241L109COM46,000$4,174,000thousands by filing date
PERRIGO CO PLC SHSG97822103Stock28,500$4,154,000thousands by filing date
CHINA CORD BLOOD CORPG21107100COM750,000$4,140,000thousands by filing date
CYBERONICS23251P102COMMON STOCK64,500$4,029,000thousands by filing date
AVANIR PHARMACEUTICALS INC05348P401CL A NEW700,000$3,948,000thousands by filing date
MEDICINES CO584688105COM135,100$3,926,000thousands by filing date
WELLCARE HEALTH PLANS INC94946T106COM51,500$3,845,000thousands by filing date
CHARLES RIV LABS INTL INC159864107COM71,250$3,813,000thousands by filing date
ADVISORY BOARD CO/THE00762W107Domestic Common72,500$3,756,000thousands by filing date
COVANCE INC222816100COM43,000$3,680,000thousands by filing date
INTERCEPT PHARMACEUTICALS IN45845P108COM15,100$3,573,000thousands by filing date
VERSARTIS INC92529L102COM124,255$3,484,000thousands by filing date
PROTHENA CORP PLC SHSG72800108Stock150,000$3,383,000thousands by filing date
WUXI PHARMATECH CAYMAN INC929352102SPONS ADR SHS96,500$3,171,000thousands by filing date
Tandem Diabetes Care, Inc.875372104COM195,000$3,171,000thousands by filing date
RELYPSA INC759531106Common Stock126,000$3,064,000thousands by filing date
CAREFUSION CORP14170T101COM68,000$3,016,000thousands by filing date
ULTRAGENYX PHARMACEUTICAL IN90400D108COM65,500$2,940,000thousands by filing date
ALLERGAN INC018490102COM16,250$2,750,000thousands by filing date
CUBIST PHARMACEUTICALS INC229678107COM39,000$2,723,000thousands by filing date
NOVAVAX INC670002104COMMON STOCK570,000$2,633,000thousands by filing date
REGENERON PHARMACEUTICALS COM75886F107Stock7,500$2,119,000thousands by filing date
ALKERMES PLCG01767105SHS41,250$2,076,000thousands by filing date
FIVE PRIME THERAPEUTICS INC.33830X104Common Stock125,000$1,944,000thousands by filing date
INFINITY PHARMACEUTICALS INC45665G303COM152,500$1,943,000thousands by filing date
ARROWHEAD RESEARCH CORP042797209COM115,000$1,646,000thousands by filing date
THERAVANCE BIOPHARMA INCG8807B106COM50,000$1,594,000thousands by filing date
NOVADAQ TECHNOLOGIES INC COMMON66987G102COM90,000$1,483,000thousands by filing date
ENTEROMEDICS INC29365M208COM NEW850,000$1,326,000thousands by filing date
EXELIXIS INC COM30161Q104Stock200,000$678,000thousands by filing date
CERULEAN PHARMA INC15708Q105COM85,635$497,000thousands by filing date

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001172661-14-001468this filing2014-08-14acceptance time not in the bulk data set