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RA Capital Management, L.P.

Q1 2026 Holdings

Filed 2026-05-15 | 86 holdings | $9.4B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Ascendis Pharma A/S(ASND)SPONSORED ADR04351P101$2.4B10,281,49624.9%
Vaxcyte Inc(PCVX)COMMON STOCK92243G108$666.8M11,474,5997.1%
Rhythm Pharmaceuticals Inc(RYTM)COMMON STOCK76243J105$579.8M6,666,8376.1%
Tyra Biosciences Inc(TYRA)COMMON STOCK90240B106$467.2M12,198,6255.0%
Sionna Therapeutics Inc(SION)COMMON STOCK829401108$397.1M9,905,0454.2%
Edgewise Therapeutics Inc(EWTX)COMMON STOCK28036F105$328.5M10,428,4373.5%
Newamsterdam Pharma Co NV(NAMS)COMMON STOCKN62509109$305.7M9,550,1913.2%
Nuvalent Inc(NUVL)COMMON STOCK670703107$259.6M2,534,1452.8%
Dianthus Therapeutics Inc(DNTH)COMMON STOCK252828108$219.2M2,611,7332.3%
Mineralys Therapeutics Inc(MLYS)COMMON STOCK603170101$208.4M7,692,7502.2%
Spyglass Pharma Inc(SGP)COMMON STOCK85220G109$207.8M8,021,1172.2%
Wave Life Sciences LTD(WVE)COMMON STOCKY95308105$195.6M26,975,5052.1%
Septerna Inc(SEPN)COMMON STOCK81734D104$168.1M6,995,8581.8%
Disc Medicine Inc(IRON)COMMON STOCK254604101$156.7M2,450,2211.7%
Janux Therapeutics Inc(JANX)COMMON STOCK47103J105$155.5M11,189,6931.6%
Biocryst Pharmaceuticals Inc(BCRX)COMMON STOCK09058V103$150.7M15,827,1861.6%
Bicara Therapeutics Inc(BCAX)COMMON STOCK055477103$144.3M7,255,9931.5%
Praxis Precision Medicines I(PRAX)COMMON STOCK74006W207$120.4M373,7871.3%
GH Research PLC(GHRS)COMMON STOCKG3855L106$107.9M7,676,6971.1%
ZAI LAB LTD(ZLAB)COMMON STOCK98887Q104$107.4M5,707,2621.1%
Taysha Gene Therapies Inc(TSHA)COMMON STOCK877619106$105.3M23,555,6481.1%
VOR Biopharma Inc(VOR)COMMON STOCK929033207$96.4M5,404,9981.0%
Geron Corp(GERN)COMMON STOCK374163103$95.0M63,771,3661.0%
ARS Pharmaceuticals Inc(SPRY)COMMON STOCK82835W108$87.2M10,860,9770.9%
Sarepta Therapeutics Inc(SRPT)COMMON STOCK803607100$84.9M3,902,5960.9%
Spyre Therapeutics Inc(SYRE)COMMON STOCK00773J202$81.8M1,621,6200.9%
Evommune Inc(EVMN)COMMON STOCK30054Y107$80.3M3,494,6380.9%
Climb BIO Inc(CLYM)COMMON STOCK28658R106$77.4M11,300,9390.8%
Solid Biosciences Inc(SLDB)COMMON STOCK83422E204$67.2M9,339,9780.7%
Artiva Biotherapeutics Inc(ARTV)COMMON STOCK04317A107$63.5M9,853,3020.7%
Damora Therapeutics Inc(GLTO)COMMON STOCK36322Q206$62.1M2,399,3100.7%
Xencor Inc(XNCR)COMMON STOCK98401F105$59.1M4,897,2370.6%
LB Pharmaceuticals Inc(LBRX)COMMON STOCK50180M108$54.5M2,208,6040.6%
Jade Biosciences Inc(JBIO)COMMON STOCK008064206$51.6M3,671,0830.5%
Acumen Pharmaceuticals Inc(ABOS)COMMON STOCK00509G209$49.5M20,992,6690.5%
4D Molecular Therapeutics in(FDMT)COMMON STOCK35104E100$47.0M5,049,7790.5%
Fulcrum Therapeutics Inc(FULC)COMMON STOCK359616109$46.4M6,053,9600.5%
Capricor Therapeutics Inc(CAPR)COMMON STOCK14070B309$45.8M1,507,8440.5%
Century Therapeutics Inc(IPSC)COMMON STOCK15673T100$40.1M17,754,4300.4%
Olema Pharmaceuticals Inc(OLMA)COMMON STOCK68062P106$38.8M2,600,0000.4%
Lenz Therapeutics Inc(LENZ)COMMON STOCK52635N103$38.2M4,178,8230.4%
Monopar Therapeutics Inc(MNPR)COMMON STOCK61023L207$36.6M667,2070.4%
Pepgen Inc(PEPG)COMMON STOCK713317105$35.5M20,064,5450.4%
Design Therapeutics Inc(DSGN)COMMON STOCK25056L103$31.6M2,972,9730.3%
Mirum Pharmaceuticals Inc(MIRM)COMMON STOCK604749101$29.4M318,5540.3%
Bioage Labs Inc(BIOA)COMMON STOCK09077V100$28.9M1,650,6480.3%
Lexeo Therapeutics Inc(LXEO)COMMON STOCK52886X107$28.7M5,000,0000.3%
Assembly Biosciences Inc(ASMB)COMMON STOCK045396207$28.3M1,020,4100.3%
Rezolute Inc(RZLT)COMMON STOCK76200L309$28.0M9,180,0000.3%
Aktis Oncology Inc(AKTS)COMMON STOCK01021M104$26.9M1,503,0840.3%
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