Stock Taper 
RA CAPITAL MANAGEMENT, L.P.
Latest 13F filing data - Q2 2026
Holdings
(Top positions)| STOCK | TICKER | SHARES HELD▲ ▼ | VALUE▲ ▼ |
|---|---|---|---|
 Mirum Pharmaceuticals, Inc. | MIRM | 318.55K | $37.29M |
 Corvus Pharmaceuticals, Inc. | CRVS | 450K | $6.72M |
 Waystar Holding Corp. | WAY | 529.4K | $10.87M |
 Seaport Therapeutics, Inc. Common Stock | SPTX | 700K | $15.2M |
 Abivax S.A. | ABVX | 1.13M | $150.92M |
 Aktis Oncology, Inc. | AKTS | 1.31M | $42.36M |
 Definium Therapeutics, Inc. | DFTX | 1.5M | $70.56M |
 Oruka Therapeutics, Inc. | ORKA | 1.55M | $147.95M |
 BioAge Labs Inc. | BIOA | 1.67M | $40.97M |
 LB Pharmaceuticals Inc Common Stock | LBRX | 2.21M | $71.68M |
 Disc Medicine, Inc. | IRON | 2.45M | $179.21M |
 Aura Biosciences, Inc. | AURA | 2.5M | $17.75M |
 Jade Biosciences, Inc. | JBIO | 3.67M | $81.57M |
 LENZ Therapeutics, Inc. | LENZ | 4.18M | $23.74M |
 Intellia Therapeutics, Inc. | NTLA | 4.53M | $76.6M |
 4D Molecular Therapeutics, Inc. | FDMT | 5.05M | $67.16M |
 Xencor, Inc. | XNCR | 5.27M | $84.92M |
 Altimmune, Inc. | ALT | 6.5M | $19.76M |
 Rhythm Pharmaceuticals, Inc. | RYTM | 6.67M | $740.22M |
 Septerna Inc | SEPN | 7M | $234.29M |