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Rock Springs Capital Management LP

Q4 2020 Holdings

Filed 2021-02-16 | 155 holdings | $993.6M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Agios Pharmaceuticals Inc(AGIO)COM00847X104$109.3M2,523,52111.0%
Align Technology Inc(ALGN)COM016255101$87.4M163,5008.8%
Acadia Pharmaceuticals Inc(ACAD)COM004225108$86.2M1,612,5008.7%
Argenx SE(ARGX)SPONSORED ADR04016X101$84.6M287,5008.5%
Atea Pharmaceuticals Inc(AVIR)COM04683R106$70.9M1,697,4037.1%
Arvinas Inc(ARVN)COM04335A105$63.4M746,0006.4%
Beigene LTD(ONC)SPONSORED ADR07725L102$58.1M225,0005.9%
Centene Corp del(CNC)COM15135B101$43.8M730,0004.4%
Alnylam Pharmaceuticals Inc(ALNY)COM02043Q107$43.5M335,0004.4%
Ascendis Pharma A/S(ASND)SPONSORED ADR04351P101$38.9M233,5003.9%
Adaptive Biotechnologies COR(ADPT)COM00650F109$37.5M635,0003.8%
Acadia Healthcare Company in(ACHC)COM00404A109$35.2M700,0003.5%
Ardelyx Inc(ARDX)COM039697107$33.3M5,148,1123.4%
Boston Scientific Corp(BSX)COM101137107$28.8M800,0002.9%
Bright Horizons FAM SOL in D(BFAM)COM109194100$28.6M165,5002.9%
Biogen Inc(BIIB)COM09062X103$24.5M100,0002.5%
Biomarin Pharmaceutical Inc(BMRN)COM09061G101$22.2M253,5002.2%
Collegium Pharmaceutical Inc(COLL)COM19459J104$22.0M1,100,0002.2%
Coherus Biosciences Inc(CHRS)COM19249H103$20.2M1,162,5002.0%
Aclaris Therapeutics Inc(ACRS)COM00461U105$17.3M2,676,1001.7%
Aurinia Pharmaceuticals Inc(AUPH)COM05156V102$10.7M773,6691.1%
Conmed Corp(CNMD)COM207410101$8.7M78,0000.9%
Adaptimmune Therapeutics PLC(ADAPY)SPONDS ADR00653A107$8.3M1,545,0000.8%
Certara Inc(CERT)COM15687V109$5.1M150,0000.5%
Annexon Inc(ANNX)COM03589W102$1.1M45,4130.1%
Neurocrine Biosciences Inc(NBIX)COM64125C109$151.0K1,575,0000.0%
Irhythm Technologies Inc(IRTC)COM450056106$148.3K625,0000.0%
Unitedhealth Group Inc(UNH)COM91324P102$142.0K405,0000.0%
Humana Inc(HUM)COM444859102$116.9K285,0000.0%
ZAI LAB LTD(ZLAB)ADR98887Q104$115.7K854,8990.0%
Intuitive Surgical Inc(ISRG)COM NEW46120E602$98.2K120,0000.0%
Blueprint Medicines Corp(2L9)COM09627Y109$94.4K842,0000.0%
Mirati Therapeutics Inc(MRTXEUR)COM60468T105$82.0K373,1520.0%
Insulet Corp(PODD)COM45784P101$81.3K318,0000.0%
Ultragenyx Pharmaceutical in(RARE)COM90400D108$78.4K566,5000.0%
Invitae Corp(NVTA1EUR)COM46185L103$77.4K1,852,0670.0%
HCA Healthcare Inc(HCA)COM40412C101$74.0K450,0000.0%
Freshpet Inc(FRPT)COM358039105$71.9K506,5000.0%
Nevro Corp(NVROEUR)COM64157F103$68.4K395,0000.0%
Exact Sciences Corp(EXAS)COM30063P105$64.3K485,0000.0%
Novavax Inc(NVAX)COM NEW670002401$62.8K563,2050.0%
Idexx Labs Inc(IDXX)COM45168D104$62.5K125,0000.0%
Pacira Biosciences Inc(PCRX)COM695127100$61.3K1,025,0000.0%
Sarepta Therapeutics Inc(SRPT)COM803607100$56.0K328,7500.0%
Mersana Therapeutics IncCOM59045L106$54.9K2,063,6670.0%
Teleflex Incorporated(TFX)COM879369106$53.5K130,0000.0%
Edwards Lifesciences Corp(EW)COM28176E108$53.1K582,0000.0%
Alexion Pharmaceuticals Inc(ALXN)COM015351109$47.9K306,7500.0%
Allakos Inc(ALLKGUSD)COM01671P100$47.8K341,5000.0%
Phreesia Inc(PHR)COM71944F106$46.1K850,0000.0%
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