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Rock Springs Capital Management LP

Q4 2025 Holdings

Filed 2026-02-17 | 99 holdings | $2.0B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
ELI Lilly & Co(LLY)COM532457108$113.3M105,4005.8%
Revolution Medicines Inc(RVMD)COM76155X100$106.4M1,335,2705.5%
Argenx SE(ARGX)SPONSORED ADR04016X101$86.8M103,2504.5%
Travere Therapeutics Inc(TVTX)COM89422G107$84.5M2,210,3224.3%
Madrigal Pharmaceuticals Inc(MDGL)COM558868105$81.3M139,6184.2%
Rhythm Pharmaceuticals Inc(RYTM)COM76243J105$74.4M695,0103.8%
Exact Sciences Corp(EXAS)COM30063P105$61.1M601,8003.1%
Mirum Pharmaceuticals Inc(MIRM)COM604749101$60.2M762,2943.1%
Insmed Inc(INSM)COM PAR $.01457669307$55.6M319,2502.8%
Structure Therapeutics Inc(GPCR)SPONSORED ADS86366E106$52.0M748,2362.7%
Intuitive Surgical Inc(ISRG)COM NEW46120E602$46.4M82,0002.4%
Cidara Therapeutics Inc(CDTX)COM NEW171757206$45.3M204,8782.3%
Ascendis Pharma A/S(ASND)SPONSORED ADR04351P101$43.4M203,5002.2%
Irhythm Technologies Inc(IRTC)COM450056106$41.7M235,0002.1%
Kymera Therapeutics Inc(KYMR)COM501575104$38.7M496,8712.0%
Boston Scientific Corp(BSX)COM101137107$38.0M399,0502.0%
Penumbra Inc(PEN)COM70975L107$37.5M120,5001.9%
Xenon Pharmaceuticals Inc(XENE)COM98420N105$35.3M787,7881.8%
Scholar Rock Hldg Corp(SRRK)COM80706P103$32.3M733,4771.7%
Cogent Biosciences Inc(COGT)COM19240Q201$30.2M849,0301.5%
Ultragenyx Pharmaceutical in(RARE)COM90400D108$29.1M1,267,2411.5%
Vera Therapeutics Inc(VERA)CL A92337R101$28.8M568,5791.5%
Alnylam Pharmaceuticals Inc(ALNY)COM02043Q107$28.3M71,2501.5%
Amicus Therapeutics Inc(FOLD)COM03152W109$27.5M1,929,9311.4%
Spdr Series Trust(XBI)STATE STREET SPD78464A870$27.1M222,0001.4%
Tenet Healthcare Corp(THC)COM NEW88033G407$24.8M125,0001.3%
Dexcom Inc(DXCM)COM252131107$23.1M347,3001.2%
Agios Pharmaceuticals Inc(AGIO)COM00847X104$21.8M799,1631.1%
Tarsus Pharmaceuticals Inc(TARS)COM87650L103$21.3M260,3441.1%
Compass Therapeutics Inc(CMPX)COM20454B104$21.1M3,927,2021.1%
Newamsterdam Pharma Company(NAMS)ORDINARY SHARESN62509109$19.5M557,1941.0%
Azenta Inc(AZTA)COM114340102$18.9M569,1001.0%
Celldex Therapeutics Inc New(CLDX)COM NEW15117B202$18.8M692,5381.0%
Caris Life Sciences Inc(CAI)COM142152107$18.5M687,5001.0%
Zenas Biopharma Inc(ZBIO)COM98937L105$18.2M502,0770.9%
Dyne Therapeutics Inc(DYN)COM26818M108$17.9M912,9550.9%
Neurocrine Biosciences Inc(NBIX)COM64125C109$17.8M125,5000.9%
Pharvaris N V(PHVS)COMN69605108$17.3M623,4020.9%
Mineralys Therapeutics Inc(MLYS)COM603170101$15.5M427,5960.8%
Phreesia Inc(PHR)COM71944F106$14.8M876,6000.8%
ZAI LAB LTD(ZLAB)ADR98887Q104$14.3M811,5460.7%
Danaher Corporation(DHR)COM235851102$14.1M61,5000.7%
Unitedhealth Group Inc(UNH)COM91324P102$13.5M40,8000.7%
Ardelyx Inc(ARDX)COM039697107$13.4M2,299,4730.7%
Aclaris Therapeutics Inc(ACRS)COM00461U105$13.4M4,453,7410.7%
Summit Therapeutics Inc(SMMT)COM86627T108$12.4M710,0000.6%
Enliven Therapeutics Inc(ELVN)COM29337E102$12.3M798,4050.6%
Inspire MED SYS Inc(INSP)COM457730109$12.1M131,0000.6%
Omada Health Inc(OMDA)COM68170A108$11.7M740,0000.6%
Soleno Therapeutics Inc(SLNO)COM834203309$11.4M247,0530.6%
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