Skip to content

13F-HR filed by Rock Springs Capital Management LP

Rock Springs Capital Management LP filed this 13F-HR for the quarter ended 2019-09-30, filed 2019-11-14, with 138 holding rows worth $2,509,651,000.

Accession
0001172661-19-002223
Filed
2019-11-14
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q3 2019

A holdings report, 138 entries on the cover page, a total value of $2,509,651,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $2,509,651,000 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
UnitedHealth Group Inc91324P102COM591,000$128,436,000thousands by filing date
NEUROCRINE BIOSCIENCES INC64125C109COM1,232,500$111,061,000thousands by filing date
WELLCARE HEALTH PLANS INC94946T106COM320,500$83,064,000thousands by filing date
Intuitive Surgical,Inc.46120E602COM152,500$82,339,000thousands by filing date
AMARIN CORP PLC023111206SPONS ADR NEW4,650,000$70,494,000thousands by filing date
HCA Healthcare Inc40412C101COM467,500$56,296,000thousands by filing date
ENCOMPASS HEALTH CORP COM29261A100Stock815,000$51,573,000thousands by filing date
SPARK THERAPEUTICS INC84652J103COM505,371$49,011,000thousands by filing date
TELEFLEX INCORPORATED879369106COM130,000$44,168,000thousands by filing date
PACIRA BIOSCIENCES INC COM695127100Stock1,150,000$43,781,000thousands by filing date
INSULET CORP COM45784P101Stock260,500$42,964,000thousands by filing date
IRHYTHM HOLDINGS INC COM450056106Stock555,000$41,131,000thousands by filing date
EDWARDS LIFESCIENCES CORP COM28176E108Stock183,500$40,353,000thousands by filing date
ACADIA HEALTHCARE COMPANY INC COM00404A109Stock1,290,000$40,093,000thousands by filing date
MEDICINES CO584688105COM800,000$40,000,000thousands by filing date
AbbVie,Inc.00287Y109COM525,000$39,753,000thousands by filing date
Boston Scientific Corporation101137107COM970,000$39,469,000thousands by filing date
EXACT SCIENCES CORP COM30063P105Stock431,750$39,017,000thousands by filing date
Stryker Corporation863667101COM179,000$38,718,000thousands by filing date
COHERUS ONCOLOGY INC19249H103COM1,880,000$38,089,000thousands by filing date
Vertex Pharmaceuticals Incorporated92532F100COM203,000$34,392,000thousands by filing date
BAXTER INTL INC071813109COM385,000$33,676,000thousands by filing date
RADIUS HEALTH INC750469207COM NEW1,300,000$33,475,000thousands by filing date
Cigna Corporation125523100COM216,900$32,923,000thousands by filing date
IDEXX LABS INC COM45168D104Stock120,200$32,686,000thousands by filing date
PENUMBRA INC COM70975L107Stock242,500$32,614,000thousands by filing date
PORTOLA PHARMACEUTICALS INC COM737010108Stock1,050,000$28,161,000thousands by filing date
LAKEFRONT BIOTHERAPEUTICS NV36315X101SPON ADR175,000$26,716,000thousands by filing date
ALNYLAM PHARMACEUTICALS INC COM02043Q107Stock330,500$26,579,000thousands by filing date
BEONE MEDICINES LTD SPONSORED ADS07725L102ADR214,800$26,304,000thousands by filing date
ULTRAGENYX PHARMACEUTICAL IN90400D108COM608,000$26,010,000thousands by filing date
SAREPTA THERAPEUTICS INC803607100COM337,500$25,421,000thousands by filing date
ALDER BIOPHARMACEUTICALS INC014339105COM1,300,000$24,518,000thousands by filing date
BLUEPRINT MEDICINES CORP09627Y109COM333,500$24,502,000thousands by filing date
Amgen Inc.031162100COM126,000$24,382,000thousands by filing date
Thermo Fisher Scientific Inc.883556102COM81,000$23,593,000thousands by filing date
MOLINA HEALTHCARE INC60855R100COM214,500$23,535,000thousands by filing date
MADRIGAL PHARMACEUTICALS INC COM558868105Stock272,400$23,486,000thousands by filing date
INCYTE CORP COM45337C102Stock312,300$23,182,000thousands by filing date
ALLAKOS INC01671P100COM290,000$22,803,000thousands by filing date
INVITAE CORP46185L103COM1,125,000$21,679,000thousands by filing date
WEST PHARMACEUTICAL SVSC INC COM955306105Stock152,500$21,628,000thousands by filing date
NEVRO CORP64157F103COM242,500$20,848,000thousands by filing date
ARGENX SE SPONSORED ADR04016X101ADR181,700$20,707,000thousands by filing date
SEATTLE GENETICS INC812578102COM242,000$20,667,000thousands by filing date
ASCENDIS PHARMA A/S DKK 1.0 AD04351P101SPONSORED ADR213,500$20,564,000thousands by filing date
ALIGN TECHNOLOGY INC COM016255101Stock110,900$20,064,000thousands by filing date
MIRATI THERAPEUTICS INC60468T105COM257,500$20,062,000thousands by filing date
RA PHARMACEUTICALS INC74933V108COM835,000$19,748,000thousands by filing date
EPIZYME INC29428V104COM1,850,100$19,084,000thousands by filing date
ZAI LAB LTD ADR98887Q104ADR575,000$18,601,000thousands by filing date
CELGENE CORP151020104COM185,150$18,385,000thousands by filing date
COLLEGIUM PHARMACEUTICAL INC19459J104COM1,577,893$18,114,000thousands by filing date
FRESHPET INC COM358039105Stock355,250$17,681,000thousands by filing date
ADAPTIVE BIOTECHNOLOGIES CORP COM00650F109Stock545,000$16,841,000thousands by filing date
INSMED INC COM PAR $.01457669307Stock890,000$15,700,000thousands by filing date
INTERSECT ENT INC46071F103COM872,500$14,841,000thousands by filing date
ARDELYX INC039697107COM3,055,261$14,360,000thousands by filing date
BIOHAVEN PHARMACEUTICAL HOLDING11196105COM343,500$14,331,000thousands by filing date
ACHILLION PHARMACEUTICALS IN00448Q201COM3,825,000$13,770,000thousands by filing date
SAGE THERAPEUTICS INC78667J108COM92,500$12,977,000thousands by filing date
NOVOCURE LTDG6674U108ORD SHS172,500$12,900,000thousands by filing date
GLOBAL BLOOD THERAPEUTICS USD37890U108COM265,000$12,858,000thousands by filing date
ASSEMBLY BIOSCIENCES INC045396108COM1,300,000$12,779,000thousands by filing date
GUARDANT HEALTH INC COM40131M109Stock190,000$12,128,000thousands by filing date
IMMUNOMEDICS INC452907108COM895,000$11,868,000thousands by filing date
AUDENTES THERAPEUTICS INC.05070R104Common Stock410,000$11,517,000thousands by filing date
AGIOS PHARMACEUTICALS INC00847X104COM352,500$11,421,000thousands by filing date
ObsEva SAH5861P103COM1,360,000$11,329,000thousands by filing date
FIBROGEN INC31572Q808COM306,000$11,316,000thousands by filing date
ODONATE THERAPEUTICS INC676079106COM430,000$11,193,000thousands by filing date
RETROPHIN INC761299106COM950,000$11,011,000thousands by filing date
GW PHARMACEUTICALS PLC36197T103ADS95,000$10,928,000thousands by filing date
THERAVANCE BIOPHARMA INCG8807B106COM550,000$10,714,000thousands by filing date
Abbott Laboratories002824100COM122,500$10,250,000thousands by filing date
TRANSLATE BIO INC.89374L104Common Stock1,025,000$10,158,000thousands by filing date
ZOGENIX INC.98978L204Common Stock250,000$10,010,000thousands by filing date
CENTENE CORP DEL COM15135B101Stock229,800$9,941,000thousands by filing date
BIOMARIN PHARMACEUTICAL INC09061G101COM142,500$9,605,000thousands by filing date
PHREESIA INC71944F106COM361,000$8,751,000thousands by filing date
DECIPHERA PHARMACEUTICALS IN24344T101COM250,000$8,485,000thousands by filing date
ANAPTYSBIO INC032724106COM240,000$8,398,000thousands by filing date
AMICUS THERAPEUTICS INC03152W109COM1,000,000$8,020,000thousands by filing date
MIRUM PHARMACEUTICALS INC604749101COM790,048$7,948,000thousands by filing date
RIGEL PHARMACEUTICALS INC766559603COMMON STOCK4,200,000$7,854,000thousands by filing date
TRANSPORTATION & LOGISTI438083107COM425,000$7,693,000thousands by filing date
UNIQURE NVN90064101SHS194,500$7,656,000thousands by filing date
Johnson & Johnson478160104COM56,000$7,245,000thousands by filing date
ACADIA PHARMACEUTICALS INC004225108COM187,000$6,730,000thousands by filing date
DYNAVAX TECHNOLOGIES CORP268158201COM NEW1,850,000$6,614,000thousands by filing date
RHYTHM PHARMACEUTICALS INC76243J105COM305,000$6,585,000thousands by filing date
Elevance Health, Inc.036752103COM27,000$6,483,000thousands by filing date
PUMA BIOTECHNOLOGY INC74587V107COMMON STOCK587,400$6,323,000thousands by filing date
AEGLEA BIOTHERAPEUTICS INC00773J103COM800,000$6,152,000thousands by filing date
MEDICINES CO584688AG0NOTE 2.750% 7/15,000,000$6,050,000thousands by filing dateprincipal
PHASEBIO PHARMACEUTICALS INC717224109COM1,416,900$5,908,000thousands by filing date
KARUNA THERAPEUTICS INC48576A100COM360,400$5,882,000thousands by filing date
SPERO THERAPEUTICS INC84833T103COM525,000$5,565,000thousands by filing date
RTI BIOLOGICS INC74975N105COM1,950,000$5,558,000thousands by filing date
AXONICS INC05465P101COM202,500$5,451,000thousands by filing date
MOMENTA PHARMACEUTICALS INC60877T100COM400,000$5,184,000thousands by filing date
AKERO THERAPEUTICS INC00973Y108COM225,000$5,119,000thousands by filing date
INSMED INC457669AA7NOTE 1.750% 1/16,000,000$5,031,000thousands by filing dateprincipal
DERMIRA INC24983L104COM775,000$4,952,000thousands by filing date
NGM BIOPHARMACEUTICALS INC62921N105COM351,100$4,863,000thousands by filing date
COMPUGEN LTDM25722105ORD1,100,000$4,653,000thousands by filing date
CYMABAY THERAPEUTICS INC23257D103COM900,000$4,608,000thousands by filing date
NABRIVA THERAPEUTICS PLCG63637105SHS2,300,000$4,600,000thousands by filing date
MEDICINES CO584688AE5NOTE 2.500% 1/13,000,000$4,521,000thousands by filing dateprincipal
GLOBAL CORD BLOOD CORPG39342103COM925,000$4,477,000thousands by filing date
CHIASMA INC16706W102COM900,000$4,455,000thousands by filing date
GAMIDA CELL LTDM47364100SHS1,000,000$4,330,000thousands by filing date
BLUEBIRD BIO INC09609G100COM47,000$4,316,000thousands by filing date
HEALTH CATALYST INC42225T107COM125,000$3,955,000thousands by filing date
MACROGENICS INC556099109COM300,000$3,828,000thousands by filing date
LA JOLLA PHARMACEUTICAL CO503459604COM PAR $.0001 2425,000$3,740,000thousands by filing date
INTERCEPT PHARMACEUTICALS IN45845P108COM54,400$3,610,000thousands by filing date
RESTORBIO INC76133L103COM400,000$3,536,000thousands by filing date
ARVINAS INC04335A105COM150,000$3,233,000thousands by filing date
ACLARIS THERAPEUTICS INC COM00461U105Stock2,974,754$3,213,000thousands by filing date
10X GENOMICS INC CL A COM88025U109Stock63,500$3,200,000thousands by filing date
FIVE PRIME THERAPEUTICS INC.33830X104Common Stock775,000$3,003,000thousands by filing date
CORREVIO PHARMA CORP22026V105COM1,200,000$2,400,000thousands by filing date
MYOVANT SCIENCES LTDG637AM102COMMON STOCK-FO450,000$2,340,000thousands by filing date
Mersana Therapeutics Inc59045L106Common Stock1,400,000$2,212,000thousands by filing date
PARATEK PHARMACEUTICALS INC699374302Equity450,000$1,944,000thousands by filing date
THERAVANCE BIOPHARMA88339KAA0NOTE 3.250%11/01,500,000$1,376,000thousands by filing dateprincipal
NEUROCRINE BIOSCIENCES INC64125CAD1NOTE 2.250% 5/11,000,000$1,372,000thousands by filing dateprincipal
RADIUS HEALTH INC750469AA6NOTE1,500,000$1,367,000thousands by filing dateprincipal
ADAPTIMMUNE THERAPEUTICS PLC00653A107SPONDS ADR875,000$1,321,000thousands by filing date
CORVUS PHARMACEUTICALS INC221015100COM400,000$1,204,000thousands by filing date
CLOVIS ONCOLOGY INC189464100COM256,000$1,006,000thousands by filing date
PACIRA BIOSCIENCES695127AD2NOTE 2.375% 4/01,000,000$988,000thousands by filing dateprincipal
DERMIRA INC24983LAB0NOTE 3.000% 5/11,000,000$844,000thousands by filing dateprincipal
NOVAVAX INC670002401COM NEW162,500$816,000thousands by filing date
KALEIDO BIOSCIENCES INC483347100COM100,050$753,000thousands by filing date
PROTEOSTASIS THERAPEUTICS IN74373B109COM400,000$338,000thousands by filing date
COVETRUS INC22304C100COM20,683$246,000thousands by filing date

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001172661-19-002223this filing2019-11-14acceptance time not in the bulk data set