Who Owns PROTAGONIST THE (PTGX)? -- Institutional Holders (2026-06-30)

382 institutions reported holding $9.45B of PROTAGONIST THE (PTGX) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($1.26B), VANGUARD GROUP INC ($859.7M), FARALLON CAPITAL MANAGEMENT LLC ($778.2M), RTW INVESTMENTS, LP ($620.4M), WELLINGTON MANAGEMENT GROUP LLP ($418.8M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1BlackRock, Inc.$1.26B10.3MAdded
2VANGUARD GROUP INC$859.7M7.0MAdded
3FARALLON CAPITAL MANAGEMENT LLC$778.2M6.3MHold
4RTW INVESTMENTS, LP$620.4M5.1MAdded
5WELLINGTON MANAGEMENT GROUP LLP$418.8M3.4MTrimmed
6UBS Group AG$416.7M3.4MTrimmed
7STATE STREET CORP$407.2M3.3MAdded
8JOHNSON & JOHNSON$300.2M2.4MHold
9Invesco Ltd.$286.9M2.3MAdded
10PRICE T ROWE ASSOCIATES INC /MD/$263.5M2.1MAdded
11Jupiter Topco LLC$261.0M2.1MNew
12GEODE CAPITAL MANAGEMENT, LLC$213.5M1.7MAdded
13Woodline Partners LP$173.3M1.4MHold
14BANK OF AMERICA CORP /DE/$162.4M1.3MAdded
15JENNISON ASSOCIATES LLC$141.2M1.2MAdded
16PERCEPTIVE ADVISORS LLC$120.4M981,879Trimmed
17ADAR1 Capital Management, LLC$117.8M960,863Trimmed
18MORGAN STANLEY$111.1M905,992Trimmed
19Alyeska Investment Group, L.P.$109.0M889,298Added
20Hood River Capital Management LLC$108.2M882,738Added
21GOLDMAN SACHS GROUP INC$99.6M812,852Added
22Driehaus Capital Management LLC$89.6M731,053Added
23Clearbridge Investments, LLC$88.9M725,335Added
24FMR LLC$82.4M672,186Added
25NORTHERN TRUST CORP$81.7M666,105Added

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