Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

RA CAPITAL MANAGEMENT, L.P. 13F Holdings -- Portfolio & Top Positions (2026-06-30)

RA CAPITAL MANAGEMENT, L.P. (CIK 1346824) reported $11.51B across 84 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: ASND ($2.74B, 23.83%), PBLS ($791.9M, 6.88%), RYTM ($740.2M, 6.43%), PCVX ($667.0M, 5.80%), SION ($435.7M, 3.79%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1ASNDASCENDIS PHARMA A/S$2.74B23.83%10.3MNew
2PBLSPARABILIS MEDICINES INC$791.9M6.88%28.9MNew
3RYTMRHYTHM PHARMACEUTICALS INC$740.2M6.43%6.7MHold
4PCVXVAXCYTE INC$667.0M5.80%11.5MHold
5SIONSIONNA THERAPEUTICS INC$435.7M3.79%9.9MHold
6TYRATYRA BIOSCIENCES INC$389.6M3.39%12.2MHold
7EWTXEDGEWISE THERAPEUTICS INC$341.0M2.96%8.4MTrimmed
8NAMSNEWAMSTERDAM PHARMA CO NV$323.7M2.81%9.6MHold
9COAGHEMAB THERAPEUTICS HOLDINGS$286.8M2.49%7.8MNew
10SEPNSEPTERNA INC$234.3M2.04%7.0MHold
11BCAXBICARA THERAPEUTICS INC$215.4M1.87%7.3MHold
12MLYSMINERALYS THERAPEUTICS INC$207.6M1.80%7.7MHold
13GHRSGH RESEARCH PLC$205.3M1.78%7.6MTrimmed
14IRONDISC MEDICINE INC$179.2M1.56%2.5MHold
15SGPSPYGLASS PHARMA INC$178.6M1.55%8.0MHold
16ARTVARTIVA BIOTHERAPEUTICS INC$174.2M1.51%18.0MAdded
17JANXJANUX THERAPEUTICS INC$171.9M1.49%11.2MHold
18TSHATAYSHA GENE THERAPIES INC$160.4M1.39%23.6MHold
19BCRXBIOCRYST PHARMACEUTICALS INC$158.3M1.38%15.8MHold
20WVEWAVE LIFE SCIENCES LTD$156.7M1.36%27.0MHold
21NUVLNUVALENT INC-A$153.9M1.34%1.2MTrimmed
22ABVXABIVAX SA-ADR$150.9M1.31%1.1MNew
23ORKAORUKA THERAPEUTICS INC$148.0M1.29%1.6MNew
24CLYMCLIMB BIO INC$147.4M1.28%11.3MHold
25SLDBSOLID BIOSCIENCES INC$120.2M1.04%12.0MAdded

Source: SEC Form 13F filings · as of 2026-06-30