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Rock Springs Capital Management LP

Q3 2018 Holdings

Filed 2018-11-14 | 144 holdings | $330.9M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Beigene LTD(ONC)SPONSORED ADR07725L102$37.0M215,00011.2%
Boston Scientific Corp(BSX)COM101137107$30.8M800,0009.3%
Abbvie Inc(ABBV)COM00287Y109$30.7M325,0009.3%
Align Technology Inc(ALGN)COM016255101$26.4M67,5008.0%
Acadia Healthcare Company in(ACHC)COM00404A109$24.6M700,0007.4%
Collegium Pharmaceutical Inc(COLL)COM19459J104$24.3M1,650,1007.3%
Axogen Inc(AXGN)COM05463X106$20.0M543,4746.1%
Biogen Inc(BIIB)COM09062X103$17.7M50,0005.3%
Ascendis Pharma A S(ASND)SPONSORED ADR04351P101$17.3M243,5005.2%
Alnylam Pharmaceuticals Inc(ALNY)COM02043Q107$17.2M196,5005.2%
Aclaris Therapeutics Inc(ACRS)COM00461U105$12.8M880,0003.9%
Argenx SE(ARGX)SPONSORED ADR04016X101$12.5M165,0003.8%
Biomarin Pharmaceutical Inc(BMRN)COM09061G101$12.1M125,0003.7%
Coherus Biosciences Inc(CHRS)COM19249H103$11.1M670,0003.3%
Ardelyx Inc(ARDX)COM039697107$11.0M2,525,5573.3%
Adaptimmune Therapeutics PLC(ADAPY)SPONDS ADR00653A107$10.2M750,0003.1%
Biocryst Pharmaceuticals(BCRX)COM09058V103$5.3M700,0001.6%
Corvus Pharmaceuticals Inc(CRVS)COM221015100$4.9M575,0001.5%
Arvinas Inc(ARVN)COM04335A105$2.5M150,0000.8%
Unitedhealth Group Inc(UNH)COM91324P102$156.7K589,0980.0%
Intuitive Surgical Inc(ISRG)COM NEW46120E602$81.2K141,4000.0%
Molina Healthcare Inc(MOH)COM60855R100$81.0K545,0000.0%
Neurocrine Biosciences Inc(NBIX)COM64125C109$79.3K645,0000.0%
Wellcare Health Plans IncCOM94946T106$75.5K235,5000.0%
Madrigal Pharmaceuticals Inc(MDGL)COM558868105$73.2K342,0000.0%
Amarin Corp PLCSPONS ADR NEW023111206$70.4K4,325,0000.0%
GW Pharmaceuticals PLCADS36197T103$69.1K400,0000.0%
Pacira Pharmaceuticals Inc(PCRX)COM695127100$63.5K1,292,4790.0%
HCA Healthcare Inc(HCA)COM40412C101$63.3K455,0000.0%
Encompass Health Corp(EHC)COM29261A100$52.7K676,5000.0%
Sarepta Therapeutics Inc(SRPT)COM803607100$50.1K310,5000.0%
Irhythm Technologies Inc(IRTC)COM450056106$45.4K480,0000.0%
Alexion Pharmaceuticals Inc(ALXN)COM015351109$41.7K300,0000.0%
Vertex Pharmaceuticals Inc(VRTX)COM92532F100$37.8K196,0000.0%
Penumbra Inc(PEN)COM70975L107$35.2K235,2000.0%
Loxo Oncology IncCOM548862101$34.7K202,9810.0%
Teleflex Inc(TFX)COM879369106$33.0K124,0000.0%
Celgene Corp(CELG)COM151020104$32.3K360,4000.0%
Stryker Corp(SYK)COM863667101$31.8K179,0000.0%
PRA Health Sciences Inc(PRAH)COM69354M108$31.8K288,2470.0%
Edwards Lifesciences Corp(EW)COM28176E108$31.3K180,0000.0%
Inogen Inc(INGN)COM45780L104$30.8K126,0000.0%
Exact Sciences Corp(EXAS)COM30063P105$30.4K385,0000.0%
Zimmer Biomet Hldgs Inc(ZBH)COM98956P102$29.6K225,0000.0%
Spark Therapeutics IncCOM84652J103$29.3K537,5000.0%
Davita Inc(DVA)COM23918K108$29.3K408,5000.0%
Wright MED Group N VORD SHS 0.03 PARN96617118$29.0K1,000,0000.0%
Tesaro IncCOM881569107$28.7K735,0000.0%
Alder Biopharmaceuticals Inc(ALDR1EUR)COM014339105$27.2K1,632,5000.0%
Incyte Corp(INCY)COM45337C102$24.3K352,1000.0%
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