IR
Superintel
OverviewMarketsWatchlist
© 2026 IR SuperintelMethodologyContact

Rock Springs Capital Management LP

Q1 2023 Holdings

Filed 2023-05-15 | 121 holdings | $4.2B | 13F-HR | View on SEC ↗ · Holdings Table ↗

Sign in to see sub-manager breakdown

IssuerClassCUSIPValue ↓Shares% Portfolio
Humana Inc(HUM)COM444859102$207.0M426,5004.9%
Agilon Health Inc(AGL)COM00857U107$187.2M7,882,5004.5%
Insulet Corp(PODD)COM45784P101$171.2M536,7504.1%
Immunocore Hldgs PLC(IMCR)ADS45258D105$148.4M3,001,6623.5%
Argenx SE(ARGX)SPONSORED ADR04016X101$130.4M350,0003.1%
Unitedhealth Group Inc(UNH)COM91324P102$127.6M270,0003.0%
Evolent Health Inc(EVH)CL A30050B101$123.4M3,803,5002.9%
Neurocrine Biosciences Inc(NBIX)COM64125C109$122.5M1,210,1002.9%
Penumbra Inc(PEN)COM70975L107$120.8M433,5002.9%
Prometheus Biosciences IncCOM74349U108$110.7M1,031,5502.6%
Idexx Labs Inc(IDXX)COM45168D104$103.8M207,5002.5%
Blueprint Medicines Corp(2L9)COM09627Y109$91.5M2,033,0482.2%
Karuna Therapeutics IncCOM48576A100$89.6M493,5272.1%
Madrigal Pharmaceuticals Inc(MDGL)COM558868105$84.3M348,1212.0%
Align Technology Inc(ALGN)COM016255101$82.6M247,3502.0%
Seagen Inc(SGENUSD)COM81181C104$81.0M400,2001.9%
Horizon Therapeutics PUB LSHSG46188101$80.8M740,1001.9%
Intuitive Surgical Inc(ISRG)COM NEW46120E602$76.3M298,5001.8%
West Pharmaceutical Svsc Inc(WST)COM955306105$70.0M202,0001.7%
Alnylam Pharmaceuticals Inc(ALNY)COM02043Q107$69.1M345,0001.6%
Exact Sciences Corp(EXAS)COM30063P105$63.8M941,5001.5%
Acadia Healthcare Company in(ACHC)COM00404A109$62.2M860,8681.5%
Cerevel Therapeutics Hldng I(CERE1EUR)COM15678U128$61.3M2,513,9161.5%
Agios Pharmaceuticals Inc(AGIO)COM00847X104$61.1M2,661,6051.5%
Sarepta Therapeutics Inc(SRPT)COM803607100$61.0M442,5001.5%
Dexcom Inc(DXCM)COM252131107$57.0M490,5001.4%
Akero Therapeutics Inc(AKRO)COM00973Y108$55.6M1,454,2541.3%
Ultragenyx Pharmaceutical in(RARE)COM90400D108$53.6M1,336,4011.3%
Edwards Lifesciences Corp(EW)COM28176E108$53.4M645,9001.3%
Ascendis Pharma A/S(ASND)SPONSORED ADR04351P101$45.6M425,5001.1%
Freshpet Inc(FRPT)COM358039105$43.9M662,5001.0%
Mirum Pharmaceuticals Inc(MIRM)COM604749101$43.1M1,795,7331.0%
Amylyx Pharmaceuticals Inc(AMLX)COM03237H101$42.6M1,452,8161.0%
Xenon Pharmaceuticals Inc(XENE)COM98420N105$42.2M1,178,0021.0%
Pacira Biosciences Inc(PCRX)COM695127100$42.1M1,032,6001.0%
Phreesia Inc(PHR)COM71944F106$42.1M1,302,5001.0%
Biomea Fusion Inc(BMEA)COM09077A106$40.2M1,297,2131.0%
Mirati Therapeutics Inc(MRTXEUR)COM60468T105$39.6M1,065,2610.9%
Nevro Corp(NVROEUR)COM64157F103$39.0M1,077,9000.9%
Irhythm Technologies Inc(IRTC)COM450056106$38.4M309,4500.9%
Olink Hldg ABSPONSORED ADS680710100$37.2M1,650,0000.9%
Accolade Inc(ACCDEUR)COM00437E102$36.6M2,545,0000.9%
Prothena Corp PLC(PRTA)SHSG72800108$36.5M753,4620.9%
Kymera Therapeutics Inc(KYMR)COM501575104$36.4M1,228,3790.9%
ZAI LAB LTD(ZLAB)ADR98887Q104$35.2M1,059,7000.8%
Aclaris Therapeutics Inc(ACRS)COM00461U105$32.1M3,961,8490.8%
Abcam PLCADS000380204$30.2M2,242,5000.7%
Travere Therapeutics Inc(TVTX)COM89422G107$28.7M1,276,6500.7%
Rhythm Pharmaceuticals Inc(RYTM)COM76243J105$28.5M1,597,1230.7%
Select Sector Spdr TR(XLV)SBI HEALTHCARE81369Y209$25.9M200,0000.6%
Page 1 of 3Next