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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 2015-06-30, filed 2015-08-14, with 117 holding rows worth $1,369,933,000.

Accession
0001172661-15-001627
Filed
2015-08-14
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q2 2015

A holdings report, 117 entries on the cover page, a total value of $1,369,933,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $1,369,933,000 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
AbbVie,Inc.00287Y109COM746,423$50,152,000thousands by filing date
Medtronic PlcG5960L103COM570,000$42,237,000thousands by filing date
VALEANT PHARMACEUTICALS INTL91911K102COM189,250$42,042,000thousands by filing date
ACADIA HEALTHCARE COMPANY INC COM00404A109Stock511,750$40,085,000thousands by filing date
HCA Healthcare Inc40412C101COM422,500$38,329,000thousands by filing date
ALLERGAN PLCG0177J108SHS121,500$36,870,000thousands by filing date
MCKESSON CORP COM58155Q103Stock149,500$33,609,000thousands by filing date
SPARK THERAPEUTICS INC84652J103COM508,059$30,621,000thousands by filing date
Gilead Sciences,Inc.375558103COM257,500$30,148,000thousands by filing date
RADIUS HEALTH INC750469207COM NEW429,000$29,043,000thousands by filing date
ALEXION PHARMACEUTICALS INC015351109COM154,500$27,929,000thousands by filing date
Pfizer Inc.717081103COM760,000$25,483,000thousands by filing date
HUMANA INC COM444859102Stock131,500$25,153,000thousands by filing date
Amgen Inc.031162100COM156,000$23,949,000thousands by filing date
THORATEC CORP885175307COM532,500$23,734,000thousands by filing date
CELGENE CORP151020104COM198,000$22,916,000thousands by filing date
ENVISION HEALTHCARE HLDGS IN29413U103COM570,000$22,504,000thousands by filing date
RETROPHIN INC761299106COM675,000$22,376,000thousands by filing date
TEAM HEALTH HOLDINGS INC87817A107COMMON STOCK312,500$20,416,000thousands by filing date
AETNA INC NEW00817Y108COM156,500$19,947,000thousands by filing date
CIGNA CORPORATION125509109COM122,000$19,764,000thousands by filing date
Eli Lilly and Company532457108COM232,500$19,411,000thousands by filing date
NEUROCRINE BIOSCIENCES INC64125C109COM376,000$17,958,000thousands by filing date
CVS Health Corporation126650100COM164,000$17,200,000thousands by filing date
ADAPTIMMUNE THERAPEUTICS PLC00653A107SPONDS ADR905,000$16,589,000thousands by filing date
TORNIER NVN87237108COMMON STOCK-FO660,000$16,493,000thousands by filing date
Intuitive Surgical,Inc.46120E602COM33,000$15,989,000thousands by filing date
INOVALON HLDGS INC45781D101COM CL A560,000$15,624,000thousands by filing date
BIOGEN INC COM09062X103Stock38,650$15,612,000thousands by filing date
COHERUS ONCOLOGY INC19249H103COM534,000$15,433,000thousands by filing date
ADEPTUS HEALTH006855100Common Stock150,000$14,249,000thousands by filing date
COLLEGIUM PHARMACEUTICAL INC19459J104COM754,600$13,462,000thousands by filing date
PROTHENA CORP PLC SHSG72800108Stock250,000$13,168,000thousands by filing date
Thermo Fisher Scientific Inc.883556102COM100,000$12,976,000thousands by filing date
RECEPTOS, INC.756207106COMMON STOCK68,250$12,971,000thousands by filing date
TESARO INC881569107COM217,000$12,757,000thousands by filing date
RTI BIOLOGICS INC74975N105COM1,860,000$12,016,000thousands by filing date
HEALTHSOUTH CORP421924309COM NEW257,500$11,860,000thousands by filing date
INCYTE CORP COM45337C102Stock113,000$11,776,000thousands by filing date
HEARTWARE INTL INC422368100COM162,000$11,776,000thousands by filing date
CHINOOK THERAPEUTICS INC.00739L101Common Stock350,000$10,616,000thousands by filing date
JUNO THERAPEUTICS INC48205A109COM197,000$10,506,000thousands by filing date
KYTHERA BIOPHARMACEUTICALS I501570105COM139,250$10,487,000thousands by filing date
PRA HEALTH SCIENCES INC69354M108COM285,000$10,354,000thousands by filing date
MEDICINES CO584688105COM345,500$9,885,000thousands by filing date
ACHILLION PHARMACEUTICALS IN00448Q201COM1,100,000$9,746,000thousands by filing date
ARDELYX INC039697107COM610,000$9,742,000thousands by filing date
DAVITA INC COM23918K108Stock122,050$9,699,000thousands by filing date
THE COOPER COMPANIES216648402COM NEW54,000$9,610,000thousands by filing date
ULTRAGENYX PHARMACEUTICAL IN90400D108COM92,000$9,420,000thousands by filing date
ENDOCHOICE HLDGS INC COM29272U103COM575,920$9,416,000thousands by filing date
Danaher Corporation235851102COM105,500$9,030,000thousands by filing date
GW PHARMACEUTICALS PLC36197T103ADS73,250$8,998,000thousands by filing date
INSMED INC COM PAR $.01457669307Stock365,000$8,913,000thousands by filing date
PERRIGO CO PLC SHSG97822103Stock47,000$8,687,000thousands by filing date
SERES THERAPEUTICS INC81750R102COM207,215$8,599,000thousands by filing date
NIVALIS THERAPEUTICS INC65481J109COM564,358$8,550,000thousands by filing date
ADVAXIS INC007624208COM NEW417,500$8,488,000thousands by filing date
Elevance Health, Inc.036752103COM51,500$8,453,000thousands by filing date
Vertex Pharmaceuticals Incorporated92532F100COM68,000$8,397,000thousands by filing date
ZS PHARMA INC98979G105Common Stock159,000$8,330,000thousands by filing date
NOVAVAX INC670002104COMMON STOCK715,000$7,965,000thousands by filing date
RELYPSA INC759531106Common Stock240,100$7,945,000thousands by filing date
LAKEFRONT BIOTHERAPEUTICS NV36315X101SPON ADR152,500$7,854,000thousands by filing date
INTERCEPT PHARMACEUTICALS IN45845P108COM32,500$7,845,000thousands by filing date
OREXIGEN THERAPEUTICS INC686164104COMMON STOCK1,550,000$7,673,000thousands by filing date
BLUEBIRD BIO INC09609G100COM45,000$7,577,000thousands by filing date
ATYR PHARMA INC002120103COM408,496$7,565,000thousands by filing date
OTONOMY INC68906L105COM320,800$7,375,000thousands by filing date
EPIZYME INC29428V104COM306,500$7,356,000thousands by filing date
KITE PHARMA INC49803L109COM118,000$7,194,000thousands by filing date
IDEXX LABS INC COM45168D104Stock111,000$7,120,000thousands by filing date
WUXI PHARMATECH CAYMAN INC929352102SPONS ADR SHS168,000$7,100,000thousands by filing date
CONNECTURE INC COM20786J106Stock625,000$6,600,000thousands by filing date
NOVADAQ TECHNOLOGIES INC COMMON66987G102COM540,000$6,539,000thousands by filing date
CASTLIGHT HEALTH INC CL B14862Q100Stock800,000$6,512,000thousands by filing date
THERAVANCE BIOPHARMA INCG8807B106COM475,000$6,185,000thousands by filing date
ASSEMBLY BIOSCIENCES INC045396108COM313,500$6,038,000thousands by filing date
INVITAE CORP46185L103COM400,000$5,952,000thousands by filing date
CARDIOME PHARMA CORP14159U301COM NO PAR625,000$5,881,000thousands by filing date
Tandem Diabetes Care, Inc.875372104COM535,000$5,799,000thousands by filing date
REGENERON PHARMACEUTICALS COM75886F107Stock11,000$5,611,000thousands by filing date
AMICUS THERAPEUTICS INC03152W109COM377,500$5,342,000thousands by filing date
INSYS THERAPEUTICS INC45824V209COMMON STOCK147,000$5,280,000thousands by filing date
ALLERGAN PLCG0177J116PFD CONV SER A5,000$5,228,000thousands by filing date
MACROGENICS INC556099109COM137,500$5,221,000thousands by filing date
CHINA CORD BLOOD CORPG21107100COM830,000$5,113,000thousands by filing date
WELLCARE HEALTH PLANS INC94946T106COM60,000$5,090,000thousands by filing date
INTERSECT ENT INC46071F103COM175,000$5,010,000thousands by filing date
CERNER CORP156782104COM70,000$4,834,000thousands by filing date
RAPTOR PHARMACEUTICAL CORP75382F106COM305,000$4,816,000thousands by filing date
PACIRA BIOSCIENCES INC COM695127100Stock68,000$4,809,000thousands by filing date
JAZZ PHARMACEUTICALS PLC SHS USDG50871105Stock26,000$4,578,000thousands by filing date
ARATANA THERAPEUTICS INC03874P101COM300,000$4,536,000thousands by filing date
FIBROGEN INC31572Q808COM190,000$4,465,000thousands by filing date
BIOMARIN PHARMACEUTICAL INC09061G101COM32,500$4,445,000thousands by filing date
DERMIRA INC24983L104COM250,001$4,388,000thousands by filing date
ATHENAHEALTH INC04685W103COMMON STOCK38,000$4,354,000thousands by filing date
ASCENDIS PHARMA A/S DKK 1.0 AD04351P101SPONSORED ADR240,000$4,243,000thousands by filing date
BIODEL INC09064M204COM4,000,000$4,120,000thousands by filing date
ANTHERA PHARMACEUTCLS INC03674U201Common equity shares470,000$4,051,000thousands by filing date
ILLUMINA INC452327109COM17,750$3,876,000thousands by filing date
CIDARA THERAPEUTICS INC COM NEW171757107Stock250,000$3,505,000thousands by filing date
FIVE PRIME THERAPEUTICS INC.33830X104Common Stock120,000$2,981,000thousands by filing date
CERULEAN PHARMA INC15708Q105COM625,000$2,875,000thousands by filing date
DYAX CORP26746E103COM102,500$2,716,000thousands by filing date
INFINITY PHARMACEUTICALS INC45665G303COM215,000$2,354,000thousands by filing date
PTC THERAPEUTICS INC69366J200COM43,000$2,070,000thousands by filing date
TETRAPHASE PHARMACEUTICALS INC88165N105COMMON STOCK43,000$2,040,000thousands by filing date
XENOPORT INC98411C100COM325,000$1,992,000thousands by filing date
KINDRED BIOSCIENCES INC COM494577109Stock275,000$1,876,000thousands by filing date
FLAMEL TECHNOLOGIES-SP ADR338488109SPON75,000$1,589,000thousands by filing date
SCYNEXIS INC COM NEW811292101Common Stock176,000$1,547,000thousands by filing date
PUMA BIOTECHNOLOGY INC74587V107COMMON STOCK11,000$1,284,000thousands by filing date
VICAL INC925602104COM1,829,088$1,280,000thousands by filing date
IMMUNE DESIGN CORP.45252L103Common Stock55,000$1,136,000thousands by filing date
ROKA BIOSCIENCE INC775431109COM250,000$650,000thousands by filing date

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001172661-15-001627this filing2015-08-14acceptance time not in the bulk data set