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Rock Springs Capital Management LP

Q4 2021 Holdings

Filed 2022-02-14 | 136 holdings | $742.3M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Align Technology Inc(ALGN)COM016255101$131.4M200,00017.7%
Argenx SE(ARGX)SPONSORED ADR04016X101$110.3M315,00014.9%
Agios Pharmaceuticals Inc(AGIO)COM00847X104$87.0M2,646,62511.7%
Alnylam Pharmaceuticals Inc(ALNY)COM02043Q107$56.4M332,5007.6%
Aclaris Therapeutics Inc(ACRS)COM00461U105$56.1M3,861,3477.6%
Ascendis Pharma A/S(ASND)SPONSORED ADR04351P101$53.8M400,0007.2%
Acadia Healthcare Company in(ACHC)COM00404A109$45.4M748,5006.1%
Arvinas Inc(ARVN)COM04335A105$37.6M457,2005.1%
Conmed Corp(CNMD)COM207410101$28.7M202,5003.9%
Biomarin Pharmaceutical Inc(BMRN)COM09061G101$23.3M264,0003.1%
Aura Biosciences Inc(AURA)COM05153U107$17.1M1,008,1142.3%
Compass Therapeutics Inc(CMPX)COM20454B104$16.9M5,328,0882.3%
Collegium Pharmaceutical Inc(COLL)COM19459J104$13.5M725,0001.8%
Aadi Bioscience Inc(WHWK)COM00032Q104$13.0M538,8351.8%
Acumen Pharmaceuticals Inc(ABOS)COM00509G209$10.6M1,571,9181.4%
Aurinia Pharmaceuticals Inc(AUPH)COM05156V102$10.5M457,1731.4%
Cullinan Oncology Inc(CGEM)COM230031106$10.0M646,0781.3%
Biomea Fusion Inc(BMEA)COM09077A106$8.7M1,165,5821.2%
Adaptimmune Therapeutics PLC(ADAPY)SPONDS ADR00653A107$8.3M2,215,5881.1%
Agilon Health Inc(AGL)COM00857U107$202.4K7,495,0000.0%
Humana Inc(HUM)COM444859102$161.9K349,0000.0%
Intuitive Surgical Inc(ISRG)COM NEW46120E602$129.3K360,0000.0%
Insulet Corp(PODD)COM45784P101$123.4K463,7500.0%
Unitedhealth Group Inc(UNH)COM91324P102$120.5K240,0000.0%
Idexx Labs Inc(IDXX)COM45168D104$118.5K180,0000.0%
HCA Healthcare Inc(HCA)COM40412C101$115.6K450,0000.0%
Neurocrine Biosciences Inc(NBIX)COM64125C109$94.1K1,105,0000.0%
Blueprint Medicines Corp(2L9)COM09627Y109$92.1K859,7550.0%
Immunocore Hldgs PLC(IMCR)ADS45258D105$84.6K2,471,5550.0%
Horizon Therapeutics PUB LSHSG46188101$80.4K746,0000.0%
Edwards Lifesciences Corp(EW)COM28176E108$75.4K582,0000.0%
Ultragenyx Pharmaceutical in(RARE)COM90400D108$74.3K883,9210.0%
ZAI LAB LTD(ZLAB)ADR98887Q104$74.2K1,180,7000.0%
Baxter Intl Inc(BAX)COM071813109$63.0K733,8030.0%
Novavax Inc(NVAX)COM NEW670002401$60.8K425,0000.0%
Mirati Therapeutics Inc(MRTXEUR)COM60468T105$60.2K410,4150.0%
Pacira Biosciences Inc(PCRX)COM695127100$60.2K1,000,0000.0%
Nevro Corp(NVROEUR)COM64157F103$57.9K714,0000.0%
Evolent Health Inc(EVH)CL A30050B101$56.4K2,038,0000.0%
Karuna Therapeutics IncCOM48576A100$55.9K426,8430.0%
Freshpet Inc(FRPT)COM358039105$55.3K580,0000.0%
Cerevel Therapeutics Hldng I(CERE1EUR)COM15678U128$53.4K1,648,4350.0%
Irhythm Technologies Inc(IRTC)COM450056106$51.0K433,0000.0%
Kymera Therapeutics Inc(KYMR)COM501575104$47.1K742,0650.0%
Exact Sciences Corp(EXAS)COM30063P105$44.4K570,0000.0%
Invitae Corp(NVTA1EUR)COM46185L103$42.8K2,800,2430.0%
Penumbra Inc(PEN)COM70975L107$42.7K148,5000.0%
Shockwave MED Inc(SWAVUSD)COM82489T104$39.7K222,5000.0%
Seagen Inc(SGENUSD)COM81181C104$39.6K256,0000.0%
Sarepta Therapeutics Inc(SRPT)COM803607100$38.2K424,0000.0%
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