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Rock Springs Capital Management LP

Q3 2023 Holdings

Filed 2023-11-14 | 120 holdings | $3.7B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Humana Inc(HUM)COM444859102$212.4M436,5005.7%
Immunocore Hldgs PLC(IMCR)ADS45258D105$152.8M2,943,7104.1%
Agilon Health Inc(AGL)COM00857U107$147.3M8,292,5003.9%
Neurocrine Biosciences Inc(NBIX)COM64125C109$139.1M1,236,0003.7%
Blueprint Medicines Corp(2L9)COM09627Y109$134.9M2,685,2943.6%
Argenx SE(ARGX)SPONSORED ADR04016X101$127.3M259,0003.4%
Penumbra Inc(PEN)COM70975L107$121.9M503,7503.3%
Unitedhealth Group Inc(UNH)COM91324P102$116.0M230,0003.1%
Evolent Health Inc(EVH)CL A30050B101$105.2M3,865,0002.8%
Intuitive Surgical Inc(ISRG)COM NEW46120E602$87.2M298,5002.3%
Karuna Therapeutics IncCOM48576A100$85.5M505,4332.3%
Idexx Labs Inc(IDXX)COM45168D104$85.0M194,5002.3%
Seagen Inc(SGENUSD)COM81181C104$84.9M400,2002.3%
West Pharmaceutical Svsc Inc(WST)COM955306105$75.8M202,0002.0%
Akero Therapeutics Inc(AKRO)COM00973Y108$71.8M1,419,1501.9%
Exact Sciences Corp(EXAS)COM30063P105$69.5M1,018,2501.9%
Agios Pharmaceuticals Inc(AGIO)COM00847X104$67.1M2,710,0611.8%
Align Technology Inc(ALGN)COM016255101$66.3M217,0001.8%
Acadia Healthcare Company in(ACHC)COM00404A109$63.8M908,0001.7%
Boston Scientific Corp(BSX)COM101137107$61.2M1,160,0001.6%
Insulet Corp(PODD)COM45784P101$60.6M380,0001.6%
Mirum Pharmaceuticals Inc(MIRM)COM604749101$57.5M1,820,7331.5%
Cerevel Therapeutics Hldng I(CERE1EUR)COM15678U128$55.2M2,529,1161.5%
Dexcom Inc(DXCM)COM252131107$54.5M584,0001.5%
Ultragenyx Pharmaceutical in(RARE)COM90400D108$52.6M1,476,4411.4%
Alnylam Pharmaceuticals Inc(ALNY)COM02043Q107$49.5M279,5001.3%
Mirati Therapeutics Inc(MRTXEUR)COM60468T105$49.3M1,131,2071.3%
Sarepta Therapeutics Inc(SRPT)COM803607100$47.5M392,0001.3%
Edwards Lifesciences Corp(EW)COM28176E108$44.8M647,3001.2%
Freshpet Inc(FRPT)COM358039105$43.6M662,5001.2%
Xenon Pharmaceuticals Inc(XENE)COM98420N105$40.2M1,178,0021.1%
Ascendis Pharma A/S(ASND)SPONSORED ADR04351P101$39.8M425,5001.1%
Rhythm Pharmaceuticals Inc(RYTM)COM76243J105$36.6M1,597,1231.0%
Phreesia Inc(PHR)COM71944F106$33.2M1,776,3910.9%
Irhythm Technologies Inc(IRTC)COM450056106$33.1M350,7500.9%
Pacira Biosciences Inc(PCRX)COM695127100$32.4M1,055,5000.9%
Accolade Inc(ACCDEUR)COM00437E102$30.8M2,913,0000.8%
Legend Biotech Corp(LEGN)SPONSORED ADS52490G102$30.8M458,2650.8%
ZAI LAB LTD(ZLAB)ADR98887Q104$30.1M1,237,0230.8%
Prothena Corp PLC(PRTA)SHSG72800108$29.6M614,2980.8%
Horizon Therapeutics PUB LSHSG46188101$29.6M255,5000.8%
Shockwave MED Inc(SWAVUSD)COM82489T104$29.4M147,5000.8%
Abcam PLCADS000380204$28.9M1,275,0000.8%
Madrigal Pharmaceuticals Inc(MDGL)COM558868105$28.7M196,3690.8%
Amylyx Pharmaceuticals Inc(AMLX)COM03237H101$28.3M1,545,0160.8%
Aclaris Therapeutics Inc(ACRS)COM00461U105$27.1M3,960,4490.7%
Dynavax Technologies Corp(DVAX)COM NEW268158201$26.8M1,813,7580.7%
Select Sector Spdr TR(XLV)SBI HEALTHCARE81369Y209$25.7M200,0000.7%
Lifestance Health Group Inc(LFST)COM53228F101$25.2M3,670,0000.7%
Immunovant Inc(IMVT)COM45258J102$24.7M644,3440.7%
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