Who Owns PROTAGONIST THERAPEUTICS INC (PTGX)? -- Institutional Holders (2026-06-30)
380 institutions reported holding $9.44B of PROTAGONIST THERAPEUTICS INC (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.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | BlackRock, Inc. | $1.26B | 10.3M | Added |
| 2 | VANGUARD GROUP INC | $859.7M | 7.0M | Added |
| 3 | FARALLON CAPITAL MANAGEMENT LLC | $778.2M | 6.3M | Hold |
| 4 | RTW INVESTMENTS, LP | $620.4M | 5.1M | Added |
| 5 | WELLINGTON MANAGEMENT GROUP LLP | $418.8M | 3.4M | Trimmed |
| 6 | UBS Group AG | $416.7M | 3.4M | Trimmed |
| 7 | STATE STREET CORP | $407.2M | 3.3M | Added |
| 8 | JOHNSON & JOHNSON | $300.2M | 2.4M | Hold |
| 9 | Invesco Ltd. | $286.9M | 2.3M | Added |
| 10 | PRICE T ROWE ASSOCIATES INC /MD/ | $263.5M | 2.1M | Added |
| 11 | Jupiter Topco LLC | $261.0M | 2.1M | New |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | $213.5M | 1.7M | Added |
| 13 | Woodline Partners LP | $173.3M | 1.4M | Hold |
| 14 | BANK OF AMERICA CORP /DE/ | $162.4M | 1.3M | Added |
| 15 | JENNISON ASSOCIATES LLC | $141.2M | 1.2M | Added |
| 16 | PERCEPTIVE ADVISORS LLC | $120.4M | 981,879 | Trimmed |
| 17 | ADAR1 Capital Management, LLC | $117.8M | 960,863 | Trimmed |
| 18 | MORGAN STANLEY | $111.1M | 905,992 | Trimmed |
| 19 | Alyeska Investment Group, L.P. | $109.0M | 889,298 | Added |
| 20 | Hood River Capital Management LLC | $108.2M | 882,738 | Added |
| 21 | GOLDMAN SACHS GROUP INC | $99.6M | 812,852 | Added |
| 22 | Driehaus Capital Management LLC | $89.6M | 731,053 | Added |
| 23 | Clearbridge Investments, LLC | $88.9M | 725,335 | Added |
| 24 | FMR LLC | $82.4M | 672,186 | Added |
| 25 | NORTHERN TRUST CORP | $81.7M | 666,105 | Added |
Source: SEC Form 13F filings · as of 2026-06-30