Rock Springs Capital Management LP Q3 2017 Filing

Filed November 14, 2017

Portfolio Value

$2.2B

Holdings

147

Report Date

Q3 2017

Filing Type

13F-HR

All Holdings (147 positions)

StockValue
UNHUNITEDHEALTH GROUP INC
$89.9M
ALXNALEXION PHARMACEUTICALS INC
$65.0M
TESARO INC
$63.9M
AETNA INC NEW
$63.4M
ACHCACADIA HEALTHCARE COMPANY IN
$62.3M
SPARK THERAPEUTICS INC
$53.2M
ADVANCED ACCELERATOR APPLIC
$53.0M
CICIGNA CORPORATION
$50.5M
ISRGINTUITIVE SURGICAL INC
$50.2M
MRKMERCK & CO INC
$48.5M
PCRXPACIRA PHARMACEUTICALS INC
$40.9M
PBYIPUMA BIOTECHNOLOGY INC
$39.5M
CELGCELGENE CORP
$38.3M
GW PHARMACEUTICALS PLC
$37.9M
PRAHPRA HEALTH SCIENCES INC
$36.4M
RADIUS HEALTH INC
$36.4M
WCGEURWELLCARE HEALTH PLANS INC
$33.9M
MOHMOLINA HEALTHCARE INC
$29.1M
ONCBEIGENE LTD
$29.0M
PENPENUMBRA INC
$28.0M
NBIXNEUROCRINE BIOSCIENCES INC
$27.0M
LOXO ONCOLOGY INC
$26.3M
EPIZYME INC
$25.7M
MEDICINES CO
$25.6M
GILDGILEAD SCIENCES INC
$25.4M
VRTXVERTEX PHARMACEUTICALS INC
$23.0M
MERSANA THERAPEUTICS INC
$23.0M
JNJJOHNSON & JOHNSON
$22.8M
TBPHTHERAVANCE BIOPHARMA INC
$22.1M
GLPGGALAPAGOS NV
$21.8M
TMOTHERMO FISHER SCIENTIFIC INC
$20.8M
EWEDWARDS LIFESCIENCES CORP
$20.8M
EXASEXACT SCIENCES CORP
$20.6M
IM8NINSMED INC
$20.3M
INCYINCYTE CORP
$20.2M
PRTAPROTHENA CORP PLC
$20.0M
IRTCIRHYTHM TECHNOLOGIES INC
$20.0M
ALMOST FAMILY INC
$19.4M
DHRDANAHER CORP DEL
$19.3M
MDTMEDTRONIC PLC
$19.2M
CLVSEURCLOVIS ONCOLOGY INC
$19.1M
COLLCOLLEGIUM PHARMACEUTICAL INC
$18.9M
BCRUSDBARD C R INC
$18.4M
JAZZJAZZ PHARMACEUTICALS PLC
$18.1M
WTWWILLIS TOWERS WATSON PUB LTD
$17.7M
PORTOLA PHARMACEUTICALS INC
$17.5M
FGENEURFIBROGEN INC
$17.5M
WRIGHT MED GROUP N V
$17.3M
AVEXIS INC
$16.9M
BIIBBIOGEN INC
$16.6M
AUDENTES THERAPEUTICS INC
$14.7M
BAXBAXTER INTL INC
$14.4M
AMRNAMARIN CORP PLC
$14.0M
AM6AMICUS THERAPEUTICS INC
$13.7M
ASMBASSEMBLY BIOSCIENCES INC
$13.6M
MDGLMADRIGAL PHARMACEUTICALS INC
$12.4M
ALNYALNYLAM PHARMACEUTICALS INC
$12.3M
HEALTHSOUTH CORP
$12.3M
NVTA1EURINVITAE CORP
$12.2M
KITE PHARMA INC
$12.2M
SRPTSAREPTA THERAPEUTICS INC
$11.8M
BMRNBIOMARIN PHARMACEUTICAL INC
$11.6M
AFWALIGN TECHNOLOGY INC
$11.4M
ACRSACLARIS THERAPEUTICS INC
$11.4M
PARATEK PHARMACEUTICALS INC
$11.3M
ARDXARDELYX INC
$11.2M
DERMIRA INC
$10.8M
INTERSECT ENT INC
$10.7M
ALDER BIOPHARMACEUTICALS INC
$10.7M
ASNDASCENDIS PHARMA A S
$10.2M
JUNO THERAPEUTICS INC
$10.1M
RETROPHIN INC
$10.0M
CHINA CORD BLOOD CORP
$9.8M
ACHILLION PHARMACEUTICALS IN
$9.6M
NEURODERM LTD
$9.2M
BIOHAVEN PHARMACTL HLDG CO L
$9.1M
FIVE PRIME THERAPEUTICS INC
$8.9M
RTI SURGICAL INC
$8.9M
RA PHARMACEUTICALS INC
$8.8M
RAREULTRAGENYX PHARMACEUTICAL IN
$8.7M
CHRSCOHERUS BIOSCIENCES INC
$8.5M
THERAPEUTICSMD INC
$8.5M
ZLABZAI LAB LTD
$8.4M
HQYHEALTHEQUITY INC
$8.3M
CLSDUSDCLEARSIDE BIOMEDICAL INC
$8.2M
AXGNAXOGEN INC
$7.7M
AIMMUNE THERAPEUTICS INC
$7.3M
ADAPYADAPTIMMUNE THERAPEUTICS PLC
$7.2M
REGNREGENERON PHARMACEUTICALS
$7.2M
ACADACADIA PHARMACEUTICALS INC
$6.9M
OBSEVA SA
$6.8M
SGENEURSEATTLE GENETICS INC
$6.8M
CRVSCORVUS PHARMACEUTICALS INC
$6.7M
STERIS PLC
$6.5M
TTPHEURTETRAPHASE PHARMACEUTICALS I
$6.5M
2L9BLUEPRINT MEDICINES CORP
$6.0M
GTHXEURG1 THERAPEUTICS INC
$6.0M
CLEMENTIA PHARMACEUTICALS IN
$5.8M
ARNAEURARENA PHARMACEUTICALS INC
$5.5M
MRUSMERUS N V
$5.5M
Page 1 of 2Next