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Rock Springs Capital Management LP

Q2 2026 Holdings

Filed 2026-08-14 | 104 holdings | $2.0B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Revolution Medicines Inc(RVMD)COM76155X100$207.0M1,105,21010.1%
Travere Therapeutics Inc(TVTX)COM89422G107$123.8M2,179,0696.0%
ELI Lilly & Co(LLY)COM532457108$118.4M98,7005.8%
Madrigal Pharmaceuticals Inc(MDGL)COM558868105$94.0M174,9994.6%
Mirum Pharmaceuticals Inc(MIRM)COM604749101$93.4M798,1454.6%
Rhythm Pharmaceuticals Inc(RYTM)COM76243J105$76.9M692,5983.8%
Kymera Therapeutics Inc(KYMR)COM501575104$52.0M453,1562.5%
Argenx SE(ARGX)SPONSORED ADR04016X101$48.9M52,7502.4%
Ascendis Pharma A/S(ASND)ORD SHSK08588103$45.0M168,7502.2%
Xenon Pharmaceuticals Inc(XENE)COM98420N105$41.3M683,9072.0%
Scholar Rock Hldg Corp(SRRK)COM80706P103$39.3M715,4521.9%
Insmed Inc(INSM)COM PAR $.01457669307$38.6M362,1501.9%
Penumbra Inc(PEN)COM70975L107$36.5M115,7501.8%
Structure Therapeutics Inc(GPCR)SPONSORED ADS86366E106$34.4M640,3171.7%
Ultragenyx Pharmaceutical in(RARE)COM90400D108$32.3M967,8551.6%
Irhythm Holdings Inc(IRTC)COM450056106$32.1M269,6501.6%
Intuitive Surgical Inc(ISRG)COM NEW46120E602$30.4M76,4601.5%
Agilon Health Inc(AGL)COM NEW00857U206$28.1M262,6001.4%
Unitedhealth Group Inc(UNH)COM91324P102$26.5M63,7501.3%
Celldex Therapeutics Inc New(CLDX)COM NEW15117B202$26.0M699,1461.3%
Erasca Inc(ERAS)COM29479A108$25.7M1,402,1501.3%
Neurocrine Biosciences Inc(NBIX)COM64125C109$24.4M144,7501.2%
Enliven Therapeutics Inc(ELVN)COM29337E102$23.6M464,6251.2%
Tenet Healthcare Corp(THC)COM NEW88033G407$23.4M125,0001.1%
Dexcom Inc(DXCM)COM252131107$23.1M343,0001.1%
Aclaris Therapeutics Inc(ACRS)COM00461U105$22.9M4,330,5321.1%
Minimed Group Inc(MMED)COM60365F109$22.7M1,520,0001.1%
Boston Scientific Corp(BSX)COM101137107$22.6M528,5001.1%
Pharvaris N V(PHVS)COMN69605108$22.4M648,3331.1%
Avalyn Pharmaceuticals Inc(AVLN)COM SHS05348Y105$21.8M662,9181.1%
Hemab Therapeutics Hldgs Inc(COAG)COM SHS423494103$21.1M575,4321.0%
Dyne Therapeutics Inc(DYN)COM26818M108$20.9M942,1541.0%
Alnylam Pharmaceuticals Inc(ALNY)COM02043Q107$20.1M66,7501.0%
Cogent Biosciences Inc(COGT)COM19240Q201$20.0M515,9171.0%
Agios Pharmaceuticals Inc(AGIO)COM00847X104$19.8M532,5631.0%
Newamsterdam Pharma Company(NAMS)ORDINARY SHARESN62509109$19.7M582,7441.0%
Vera Therapeutics Inc(VERA)CL A92337R101$18.3M427,5840.9%
Tarsus Pharmaceuticals Inc(TARS)COM87650L103$17.4M277,0870.9%
Heartflow Inc(HTFL)COM42238D107$16.8M573,5000.8%
MBX Biosciences Inc(MBX)COM55287L101$16.5M298,2180.8%
Cytokinetics Inc(CYTK)COM NEW23282W605$16.0M187,9800.8%
Bicara Therapeutics Inc(BCAX)COM055477103$15.9M535,2860.8%
Parabilis Medicines Inc(PBLS)COM698955101$15.8M578,0280.8%
ZAI LAB LTD(ZLAB)ADR98887Q104$15.5M814,7070.8%
Danaher Corp del(DHR)COM235851102$14.5M76,3000.7%
Tango Therapeutics Inc(TNGX)COM87583X109$14.3M456,5510.7%
Evolent Health Inc(EVH)CL A30050B101$13.6M2,500,0000.7%
PTC Therapeutics Inc(PTCT)COM69366J200$13.2M162,2980.6%
Mineralys Therapeutics Inc(MLYS)COM603170101$13.1M484,9510.6%
Zenas Biopharma Inc(ZBIO)COM98937L105$12.7M502,0770.6%
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