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 (2026-03-31)

RA CAPITAL MANAGEMENT, L.P. (CIK 1346824) reported $9.44B across 78 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: ASND ($2.35B, 24.92%), PCVX ($666.8M, 7.07%), RYTM ($579.8M, 6.14%), TYRA ($467.2M, 4.95%), SION ($397.1M, 4.21%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1ASNDASCENDIS PHARMA A/S - ADR$2.35B24.92%10.3MHold
2PCVXVAXCYTE INC$666.8M7.07%11.5MAdded
3RYTMRHYTHM PHARMACEUTICALS INC$579.8M6.14%6.7MHold
4TYRATYRA BIOSCIENCES INC$467.2M4.95%12.2MHold
5SIONSIONNA THERAPEUTICS INC$397.1M4.21%9.9MHold
6EWTXEDGEWISE THERAPEUTICS INC$328.5M3.48%10.4MHold
7NAMSNEWAMSTERDAM PHARMA CO NV$305.7M3.24%9.6MHold
8NUVLNUVALENT INC-A$259.6M2.75%2.5MAdded
9DNTHDIANTHUS THERAPEUTICS INC$219.2M2.32%2.6MAdded
10MLYSMINERALYS THERAPEUTICS INC$208.4M2.21%7.7MAdded
11SPYGLASS PHARMA INC$207.8M2.20%8.0MNew
12WVEWAVE LIFE SCIENCES LTD$195.6M2.07%27.0MAdded
13SEPNSEPTERNA INC$168.1M1.78%7.0MHold
14IRONDISC MEDICINE INC$156.7M1.66%2.5MAdded
15JANXJANUX THERAPEUTICS INC$155.5M1.65%11.2MHold
16BCRXBIOCRYST PHARMACEUTICALS INC$150.7M1.60%15.8MHold
17BCAXBICARA THERAPEUTICS INC$144.3M1.53%7.3MAdded
18PRAXPRAXIS PRECISION MEDICINES I$120.4M1.28%373,787Hold
19ZLABZAI LAB LTD-ADR$107.4M1.14%5.7MNew
20GHRSGH RESEARCH PLC$107.9M1.14%7.7MHold
21TSHATAYSHA GENE THERAPIES INC$105.3M1.12%23.6MHold
22VORVOR BIOPHARMA INC$96.4M1.02%5.4MHold
23GERNGERON CORP$95.0M1.01%63.8MHold
24SPRYARS PHARMACEUTICALS INC$87.2M0.92%10.9MHold
25SRPTSAREPTA THERAPEUTICS INC$84.9M0.90%3.9MNew

Source: SEC Form 13F filings · as of 2026-03-31