Rock Springs Capital Management LP Q2 2019 Filing

Filed August 14, 2019

Portfolio Value

$2.8B

Holdings

135

Report Date

Q2 2019

Filing Type

13F-HR

All Holdings (135 positions)

StockValue
UNHUNITEDHEALTH GROUP INC
$144.2M
GW PHARMACEUTICALS PLC
$104.3M
WCGEURWELLCARE HEALTH PLANS INC
$91.4M
AMRNAMARIN CORP PLC
$87.7M
NBIXNEUROCRINE BIOSCIENCES INC
$86.4M
ISRGINTUITIVE SURGICAL INC
$80.0M
HCAHCA HEALTHCARE INC
$61.5M
PCRXPACIRA BIOSCIENCES
$54.4M
SPARK THERAPEUTICS INC
$51.7M
EHCENCOMPASS HEALTH CORP
$51.0M
SRPTSAREPTA THERAPEUTICS INC
$49.4M
BMYBRISTOL MYERS SQUIBB CO
$47.6M
EXASEXACT SCIENCES CORP
$46.9M
TFXTELEFLEX INC
$43.0M
BSXBOSTON SCIENTIFIC CORP
$41.7M
CHRSCOHERUS BIOSCIENCES INC
$41.5M
IRTCIRHYTHM TECHNOLOGIES INC
$39.5M
PENPENUMBRA INC
$38.2M
VRTXVERTEX PHARMACEUTICALS INC
$37.2M
ACHCACADIA HEALTHCARE COMPANY IN
$36.9M
RAREULTRAGENYX PHARMACEUTICAL IN
$36.8M
SYKSTRYKER CORP
$36.8M
EWEDWARDS LIFESCIENCES CORP
$33.9M
IDXXIDEXX LABS INC
$33.1M
ALXNALEXION PHARMACEUTICALS INC
$31.8M
RADIUS HEALTH INC
$30.4M
MOHMOLINA HEALTHCARE INC
$29.5M
PODDINSULET CORP
$29.2M
MEDICINES CO
$29.2M
2L9BLUEPRINT MEDICINES CORP
$29.0M
ADPTADAPTIVE BIOTECHNOLOGIES COR
$29.0M
AFWALIGN TECHNOLOGY INC
$28.7M
CICIGNA CORP NEW
$28.7M
PORTOLA PHARMACEUTICALS INC
$27.3M
MDGLMADRIGAL PHARMACEUTICALS INC
$26.9M
ONCBEIGENE LTD
$26.6M
INCYINCYTE CORP
$26.5M
NVTA1EURINVITAE CORP
$26.4M
ARGXARGENX SE
$25.7M
BAXBAXTER INTL INC
$24.6M
ASNDASCENDIS PHARMA A S
$24.6M
RA PHARMACEUTICALS INC
$24.2M
PRAHPRA HEALTH SCIENCES INC
$23.8M
TMOTHERMO FISHER SCIENTIFIC INC
$23.8M
ALNYALNYLAM PHARMACEUTICALS INC
$23.8M
EPIZYME INC
$23.2M
BIIBBIOGEN INC
$22.8M
IM8NINSMED INC
$22.8M
GLPGGALAPAGOS NV
$21.3M
MRTXEURMIRATI THERAPEUTICS INC
$20.9M
COLLCOLLEGIUM PHARMACEUTICAL INC
$20.7M
ZLABZAI LAB LTD
$19.2M
RETROPHIN INC
$19.1M
PHASEBIO PHARMACEUTICALS INC
$18.7M
ALDER BIOPHARMACEUTICALS INC
$18.4M
INTERSECT ENT INC
$18.0M
ALLKGUSDALLAKOS INC
$17.5M
WSTWEST PHARMACEUTICAL SVSC INC
$17.2M
CELGCELGENE CORP
$17.1M
SG7SAGE THERAPEUTICS INC
$16.9M
SGENEURSEATTLE GENETICS INC
$16.7M
GHGUARDANT HEALTH INC
$16.4M
AXNX*AXONICS MODULATION TECH INC
$16.4M
ODONATE THERAPEUTICS INC
$15.8M
AUDENTES THERAPEUTICS INC
$15.5M
BIOHAVEN PHARMACTL HLDG CO L
$15.0M
GBTUSDGLOBAL BLOOD THERAPEUTICS IN
$13.9M
FGENEURFIBROGEN INC
$13.8M
AG8AGILENT TECHNOLOGIES INC
$13.7M
TRANSLATE BIO INC
$12.7M
NVROEURNEVRO CORP
$12.7M
OBSEVA SA
$12.7M
AM6AMICUS THERAPEUTICS INC
$12.5M
IMMUNOMEDICS INC
$12.4M
NVCRNOVOCURE LTD
$12.3M
ANABANAPTYSBIO INC
$12.3M
BMRNBIOMARIN PHARMACEUTICAL INC
$12.2M
AXGNAXOGEN INC
$12.0M
ZOGENIX INC
$11.2M
RIGLUSDRIGEL PHARMACEUTICALS INC
$11.0M
ABBVABBVIE INC
$10.9M
FRPTFRESHPET INC
$10.7M
TBPHTHERAVANCE BIOPHARMA INC
$9.0M
AGIOAGIOS PHARMACEUTICALS INC
$8.5M
FIXXEURHOMOLOGY MEDICINES INC
$8.3M
RTI SURGICAL HOLDINGS INC
$8.3M
KRTXKARUNA THERAPEUTICS INC
$8.3M
ACHILLION PHARMACEUTICALS IN
$7.9M
ASMBASSEMBLY BIOSCIENCES INC
$7.6M
DERMIRA INC
$7.4M
PBYIPUMA BIOTECHNOLOGY INC
$6.8M
CBAYUSDCYMABAY THERAPEUTICS INC
$6.4M
SPROSPERO THERAPEUTICS INC
$6.0M
BLUEBIRD BIO INC
$6.0M
$5.8M
MERSANA THERAPEUTICS INC
$5.7M
ELVANTHEM INC
$5.6M
AGLEUSDAEGLEA BIOTHERAPEUTICS INC
$5.5M
ARDXARDELYX INC
$5.4M
GLOBAL CORD BLOOD CORPORATIO
$5.3M
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