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Rock Springs Capital Management LP

Q1 2017 Holdings

Filed 2017-05-15 | 140 holdings | $190.4M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Acadia Healthcare Company in(ACHC)COM00404A109$55.6M1,275,00029.2%
Ardelyx Inc(ARDX)COM039697107$25.3M2,000,00013.3%
Aclaris Therapeutics Inc(ACRS)COM00461U105$20.1M675,00010.6%
Collegium Pharmaceutical Inc(COLL)COM19459J104$17.1M1,700,0009.0%
Coherus Biosciences Inc(CHRS)COM19249H103$14.3M675,0007.5%
Biogen Inc(BIIB)COM09062X103$13.1M48,0006.9%
Biomarin Pharmaceutical Inc(BMRN)COM09061G101$11.0M125,0005.8%
Beigene LTD(ONC)SPONSORED ADR07725L102$9.7M265,0005.1%
Ascendis Pharma A S(ASND)SPONSORED ADR04351P101$9.1M325,0004.8%
Corvus Pharmaceuticals Inc(CRVS)COM221015100$8.8M422,6004.6%
Adaptimmune Therapeutics PLC(ADAPY)SPONDS ADR00653A107$4.8M875,0002.5%
Tesaro IncCOM881569107$73.1K474,9000.0%
Alexion Pharmaceuticals Inc(ALXN)COM015351109$55.4K456,9000.0%
Merck & Co Inc(MRK)COM58933Y105$47.7K750,0000.0%
Pacira Pharmaceuticals Inc(PCRX)COM695127100$45.6K1,000,0000.0%
GW Pharmaceuticals PLCADS36197T103$43.1K356,5000.0%
Allergan PLCSHSG0177J108$39.7K166,0000.0%
Cigna CorporationCOM125509109$39.6K270,0000.0%
Intuitive Surgical Inc(ISRG)COM NEW46120E602$36.8K48,0000.0%
Radius Health IncCOM NEW750469207$35.2K910,2500.0%
Medicines CoCOM584688105$34.2K700,0000.0%
Advanced Accelerator ApplicSPONSORED ADS00790T100$33.9K850,0000.0%
Spark Therapeutics IncCOM84652J103$33.3K625,0000.0%
Wellcare Health Plans IncCOM94946T106$32.9K234,5000.0%
Celgene Corp(CELG)COM151020104$30.2K242,5000.0%
PRA Health Sciences Inc(PRAH)COM69354M108$29.8K457,5000.0%
Aetna Inc NewCOM00817Y108$28.1K220,0000.0%
Lilly ELI & Co(LLY)COM532457108$27.3K325,0000.0%
Humana Inc(HUM)COM444859102$27.3K132,5000.0%
Unitedhealth Group Inc(UNH)COM91324P102$27.1K165,0000.0%
Penumbra Inc(PEN)COM70975L107$25.9K310,5000.0%
Bristol Myers Squibb Co(BMY)COM110122108$24.6K452,6000.0%
Shire PLCSPONSORED ADR82481R106$24.2K138,9000.0%
Incyte Corp(INCY)COM45337C102$22.6K169,0000.0%
Theravance Biopharma Inc(TBPH)COMG8807B106$22.1K600,0000.0%
Johnson & Johnson(JNJ)COM478160104$21.8K175,0000.0%
Wright MED Group N VORD SHS 0.03 PARN96617118$20.9K670,0000.0%
Gilead Sciences Inc(GILD)COM375558103$19.5K286,5000.0%
Galapagos NV(GLPG)SPON ADR36315X101$18.1K210,0000.0%
Jazz Pharmaceuticals PLC(JAZZ)SHS USDG50871105$18.0K123,7000.0%
Neurocrine Biosciences Inc(NBIX)COM64125C109$17.8K410,0000.0%
Prothena Corp PLC(PRTA)SHSG72800108$17.3K309,5000.0%
RA Pharmaceuticals IncCOM74933V108$16.8K788,9590.0%
Amgen Inc(AMGN)COM031162100$16.1K98,0000.0%
Amarin Corp PLCSPONS ADR NEW023111206$16.0K5,001,2000.0%
Hologic Inc(HOLX)COM436440101$14.5K340,0000.0%
Willis Towers Watson PUB LTD(WTW)SHSG96629103$14.4K110,0000.0%
Danaher Corp del(DHR)COM235851102$13.7K160,0000.0%
Edwards Lifesciences Corp(EW)COM28176E108$13.4K142,5000.0%
Walgreens Boots Alliance Inc(WBA)COM931427108$13.4K161,0000.0%
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