The Analysis of RA CAPITAL MANAGEMENT, L.P.'s Holdings


Currently, RA CAPITAL MANAGEMENT, L.P. holds 82 types of securities in its portfolio with a total value $9.7B. In the most recent quarter, they have increased their positions in ASND (+10.3M shares, valued at $2.2B), RNA (+8.6M shares, valued at $623.3M), RYTM (+6.7M shares, valued at $587.5M); decreased their positions in N/A (-3.4M shares, valued at $743.4M), IRON (-252.8K shares, valued at $20.1M); initiated new positions in ASND (+10.3M shares, valued at $2.2B), RNA (+8.6M shares, valued at $623.3M), RYTM (+6.7M shares, valued at $587.5M); completely sold out of N/A (previously valued at $743.4M).


Top Holding Treemap

Stock Holdings
TickerCompany NameSharesShares β–³%Event DateReport DateHistory
ASND ASCENDIS PHARMA A/S - ADR10.3M sharesnew addition2025-12-312026-02-17history
RNA AVIDITY BIOSCIENCES INC8.6M sharesnew addition2025-12-312026-02-17history
RYTM 6.7M sharesnew addition2025-12-312026-02-17history
PCVX VAXCYTE INC10.7M sharesnew addition2025-12-312026-02-17history
TYRA TYRA BIOSCIENCES INC12.3M shares0.56%2026-03-042026-03-06history
SION SIONNA THERAPEUTICS INC9.9M sharesnew addition2025-12-312026-02-17history
NAMS NEWAMSTERDAM PHARMA CO NV9.6M sharesnew addition2025-12-312026-02-17history
WVE WAVE LIFE SCIENCES LTD18.2M sharesnew addition2025-12-312026-02-17history
Sponsored
MLYS MINERALYS THERAPEUTICS INC7.3M sharesnew addition2025-12-312026-02-17history
EWTX EDGEWISE THERAPEUTICS INC10.4M sharesnew addition2025-12-312026-02-17history
DNTH 2.6M sharesnew addition2025-12-312026-02-17history
VOR 12.6M shares1.25%2026-04-092026-04-10history
SEPN SEPTERNA INC7.0M sharesnew addition2025-12-312026-02-17history
NUVL NUVALENT INC-A1.9M sharesnew addition2025-12-312026-02-17history
IRON DISC MEDICINE INC2.0M shares-11.34%2025-12-312026-02-17history
JANX JANUX THERAPEUTICS INC11.2M sharesnew addition2025-12-312026-02-17history
Sponsored
ACLX 1.3M sharesnew addition2025-12-312026-02-17history
PEPG PEPGEN INC20.1M sharesnew addition2025-12-312026-02-17history
TSHA TAYSHA GENE THERAPIES INC23.6M sharesnew addition2025-12-312026-02-17history
SPRY ARS PHARMACEUTICALS INC10.9M sharesnew addition2025-12-312026-02-17history
BCRX BIOCRYST PHARMACEUTICALS INC15.8M sharesnew addition2025-12-312026-02-17history
BCAX BICARA THERAPEUTICS INC7.3M shares4.65%2026-02-262026-03-02history
PRAXIS PRECISION MEDICINES I PRAXIS PRECISION MEDICINES I373.8K sharesnew addition2025-12-312026-02-17history
GHRS GH RESEARCH PLC7.7M sharesnew addition2025-12-312026-02-17history
Sponsored
GERN GERON CORP63.8M sharesnew addition2025-12-312026-02-17history
EVOMMUNE INC EVOMMUNE INC3.5M shares1.04%2026-02-122026-02-17history
CLYM CLIMB BIO INC11.3M sharesnew addition2025-12-312026-02-17history
SOLID BIOSCIENCES INC SOLID BIOSCIENCES INC9.7M shares66.29%2026-03-062026-03-10history
VOR VOR BIOPHARMA INC5.4M sharesnew addition2025-12-312026-02-17history
BLTE BELITE BIO INC - ADR432.5K sharesnew addition2025-12-312026-02-17history
LENZ LENZ THERAPEUTICS INC4.2M sharesnew addition2025-12-312026-02-17history
OLMA OLEMA PHARMACEUTICALS INC2.6M sharesnew addition2025-12-312026-02-17history
Sponsored
JBIO JADE BIOSCIENCES INC3.7M sharesnew addition2025-12-312026-02-17history
LBRX 2.2M sharesnew addition2025-12-312026-02-17history
FDMT 5.7M sharesnew addition2025-12-312026-02-17history
SYRE SPYRE THERAPEUTICS INC1.6M sharesnew addition2025-12-312026-02-17history
FULC 6.6M sharesnew addition2025-12-312026-02-17history
LXEO LEXEO THERAPEUTICS INC5.0M sharesnew addition2025-12-312026-02-17history
MONOPAR THERAPEUTICS INC MONOPAR THERAPEUTICS INC667.2K sharesnew addition2025-12-312026-02-17history
CAPR CAPRICOR THERAPEUTICS INC1.5M sharesnew addition2025-12-312026-02-17history
Sponsored
ARTV ARTIVA BIOTHERAPEUTICS INC9.9M sharesnew addition2025-12-312026-02-17history
IPSC 17.9M sharesnew addition2026-01-092026-01-16history
IVVD 28.9M sharesnew addition2025-12-312026-02-17history
MNPR 667.6K sharesnew addition2025-12-312026-02-17history
GRAL GRAIL INC428.3K sharesnew addition2025-12-312026-02-17history
ASSEMBLY BIOSCIENCES INC ASSEMBLY BIOSCIENCES INC1.0M sharesnew addition2025-12-312026-02-17history
AVTX 1.9M sharesnew addition2025-12-312026-02-17history
ABOS ACUMEN PHARMACEUTICALS INC14.9M sharesnew addition2025-12-312026-02-17history
Sponsored
ALXO 13.1M sharesnew addition2026-02-022026-02-09history
PALI 15.7M sharesnew addition2025-12-312026-02-17history
CTNM 2.2M sharesnew addition2025-12-312026-02-17history
BENITEC BIOPHARMA INC BENITEC BIOPHARMA INC1.9M sharesnew addition2025-12-312026-02-17history
SRZN 871.7K sharesnew addition2025-12-312026-02-17history
RZLT REZOLUTE INC9.2M sharesnew addition2025-12-312026-02-17history
SAB BIOTHERAPEUTICS INC SAB BIOTHERAPEUTICS INC5.2M shares17.38%2026-03-092026-03-11history
ACRV ACRIVON THERAPEUTICS INC8.3M sharesnew addition2025-12-312026-02-17history
Sponsored
NKTX NKARTA INC10.8M sharesnew addition2025-12-312026-02-17history
OVID OVID THERAPEUTICS INC10.7M sharesnew addition2025-12-312026-02-17history
UNCY 2.4M sharesnew addition2025-12-312026-02-17history
PALISADE BIO INC PALISADE BIO INC7.1M sharesnew addition2025-12-312026-02-17history
CCCC C4 THERAPEUTICS INC8.0M sharesnew addition2025-12-312026-02-17history
MEDLINE INC-CL A MEDLINE INC-CL A335.0K sharesnew addition2025-12-312026-02-17history
DSGN DESIGN THERAPEUTICS INC1.5M sharesnew addition2025-12-312026-02-17history
INSP INSPIRE MEDICAL SYSTEMS INC142.0K sharesnew addition2025-12-312026-02-17history
Sponsored
AVALO THERAPEUTICS INC AVALO THERAPEUTICS INC663.0K sharesnew addition2025-12-312026-02-17history
RANI RANI THERAPEUTICS HOLDINGS-A8.5M sharesnew addition2025-12-312026-02-17history
PCSC PERCEPTIVE CAPITAL SOLUTIONS750.0K sharesnew addition2025-12-312026-02-17history
ADICET BIO INC ADICET BIO INC948.2K sharesnew addition2025-12-312026-02-17history
NAMSW NEWAMSTERDAM PHARMA CO NV-27333.3K sharesnew addition2025-12-312026-02-17history
WGS GENEDX HOLDINGS CORP58.0K sharesnew addition2025-12-312026-02-17history
ACET 960.2K sharesnew addition2025-12-312026-02-17history
WAY WAYSTAR HOLDING CORP144.4K sharesnew addition2025-12-312026-02-17history
Sponsored
HOWL WEREWOLF THERAPEUTICS INC6.7M sharesnew addition2025-12-312026-02-17history
HNGE HINGE HEALTH INC-A80.1K sharesnew addition2025-12-312026-02-17history
PGNY PROGYNY INC96.6K sharesnew addition2025-12-312026-02-17history
QIAGEN N.V. QIAGEN N.V.44.0K sharesnew addition2025-12-312026-02-17history
KIDS ORTHOPEDIATRICS CORP110.0K sharesnew addition2025-12-312026-02-17history
HCAT HEALTH CATALYST INC793.7K sharesnew addition2025-12-312026-02-17history
PALATIN TECHNOLOGIES INC PALATIN TECHNOLOGIES INC70.0K sharesnew addition2025-12-312026-02-17history
CIDARA THERAPEUTICS INC CIDARA THERAPEUTICS INCN/A sharesSold all​​2026-01-072026-01-09history
Sponsored
ELDN N/A sharesnew addition2025-12-312026-02-17history
LRMR N/A sharesnew addition2025-12-312026-02-17history

Call Option Holdings
No call option holdings data available

Put Option Holdings
No put option holdings data available