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Rock Springs Capital Management LP

Q1 2021 Holdings

Filed 2021-05-17 | 151 holdings | $997.6M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Agios Pharmaceuticals Inc(AGIO)COM00847X104$131.4M2,543,60013.2%
Atea Pharmaceuticals Inc(AVIR)COM04683R106$104.7M1,694,90310.5%
Align Technology Inc(ALGN)COM016255101$96.1M177,5009.6%
Aclaris Therapeutics Inc(ACRS)COM00461U105$89.9M3,569,1929.0%
Argenx SE(ARGX)SPONSORED ADR04016X101$82.6M300,0008.3%
Beigene LTD(ONC)SPONSORED ADR07725L102$69.6M200,0007.0%
Cullinan Oncology Inc(CGEM)COM230031106$44.8M1,075,9124.5%
Alnylam Pharmaceuticals Inc(ALNY)COM02043Q107$42.4M300,0004.2%
Arvinas Inc(ARVN)COM04335A105$41.1M621,8004.1%
Acadia Healthcare Company in(ACHC)COM00404A109$40.0M700,0004.0%
Ardelyx Inc(ARDX)COM039697107$34.3M5,176,5613.4%
Biogen Inc(BIIB)COM09062X103$31.8M113,5003.2%
Boston Scientific Corp(BSX)COM101137107$30.9M800,0003.1%
Ascendis Pharma A/S(ASND)SPONSORED ADR04351P101$30.1M233,5003.0%
Acadia Pharmaceuticals Inc(ACAD)COM004225108$27.8M1,076,2002.8%
Adaptive Biotechnologies COR(ADPT)COM00650F109$26.2M650,0002.6%
Collegium Pharmaceutical Inc(COLL)COM19459J104$21.8M920,0002.2%
Biomarin Pharmaceutical Inc(BMRN)COM09061G101$19.1M253,5001.9%
Conmed Corp(CNMD)COM207410101$11.1M85,0851.1%
Aurinia Pharmaceuticals Inc(AUPH)COM05156V102$10.1M781,5691.0%
Adaptimmune Therapeutics PLC(ADAPY)SPONDS ADR00653A107$8.2M1,545,0000.8%
Humana Inc(HUM)COM444859102$126.2K301,0000.0%
ZAI LAB LTD(ZLAB)ADR98887Q104$124.6K933,5000.0%
Unitedhealth Group Inc(UNH)COM91324P102$102.3K275,0000.0%
Five Prime Therapeutics Inc(FPRX)COM33830X104$100.2K2,660,8220.0%
Neurocrine Biosciences Inc(NBIX)COM64125C109$98.7K1,015,0000.0%
Immunocore Hldgs PLC(IMCR)ADS45258D105$97.6K2,292,2850.0%
Insulet Corp(PODD)COM45784P101$96.8K371,0000.0%
Intuitive Surgical Inc(ISRG)COM NEW46120E602$88.7K120,0000.0%
Idexx Labs Inc(IDXX)COM45168D104$88.1K180,0000.0%
HCA Healthcare Inc(HCA)COM40412C101$84.8K450,0000.0%
Invitae Corp(NVTA1EUR)COM46185L103$84.6K2,213,9770.0%
Novavax Inc(NVAX)COM NEW670002401$83.6K461,0000.0%
Freshpet Inc(FRPT)COM358039105$80.4K506,5000.0%
Exact Sciences Corp(EXAS)COM30063P105$75.1K570,0000.0%
Blueprint Medicines Corp(2L9)COM09627Y109$72.6K746,7320.0%
Pacira Biosciences Inc(PCRX)COM695127100$71.8K1,025,0000.0%
Nevro Corp(NVROEUR)COM64157F103$67.7K485,0000.0%
Irhythm Technologies Inc(IRTC)COM450056106$60.1K432,4960.0%
Horizon Therapeutics PUB LSHSG46188101$57.5K625,0000.0%
Mirati Therapeutics Inc(MRTXEUR)COM60468T105$55.4K323,6470.0%
Teleflex Incorporated(TFX)COM879369106$54.0K130,0000.0%
Bolt Biotherapeutics Inc(BOLT1EUR)COM097702104$51.3K1,559,2480.0%
Ultragenyx Pharmaceutical in(RARE)COM90400D108$51.2K450,0000.0%
Edwards Lifesciences Corp(EW)COM28176E108$48.7K582,0000.0%
Mersana Therapeutics IncCOM59045L106$44.9K2,775,1270.0%
Karuna Therapeutics IncCOM48576A100$44.3K368,7640.0%
Phreesia Inc(PHR)COM71944F106$44.3K850,0000.0%
Eargo IncCOM270087109$42.5K851,6710.0%
Covetrus Inc(CVETUSD)COM22304C100$42.0K1,400,0000.0%
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