Who Owns Zenas Biopharma, Inc. (ZBIO)? -- Institutional Holders (2026-06-30)
176 institutions reported holding $1.73B of Zenas Biopharma, Inc. (ZBIO) in SEC 13F filings for 2026-06-30. Largest institutional holders: FMR LLC ($241.3M), SR One Capital Management, LP ($127.9M), NEA Management Company, LLC ($102.1M), ENAVATE SCIENCES GP, LLC ($99.5M), DEERFIELD MANAGEMENT COMPANY, L.P. ($80.3M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | FMR LLC | $241.3M | 9.5M | Added |
| 2 | SR One Capital Management, LP | $127.9M | 5.0M | Hold |
| 3 | NEA Management Company, LLC | $102.1M | 4.0M | Hold |
| 4 | ENAVATE SCIENCES GP, LLC | $99.5M | 3.9M | Hold |
| 5 | DEERFIELD MANAGEMENT COMPANY, L.P. | $80.3M | 0 | Added |
| 6 | FEDERATED HERMES, INC. | $79.1M | 3.1M | Trimmed |
| 7 | BlackRock, Inc. | $68.2M | 2.7M | Added |
| 8 | Capital International Investors | $63.5M | 2.5M | Added |
| 9 | Polar Capital Holdings Plc | $61.2M | 2.4M | Trimmed |
| 10 | Fairmount Funds Management LLC | $59.9M | 2.4M | Hold |
| 11 | STATE STREET CORP | $52.2M | 2.1M | Added |
| 12 | VANGUARD GROUP INC | $49.6M | 2.0M | Added |
| 13 | NVP ASSOCIATES, LLC | $46.7M | 1.8M | Hold |
| 14 | Linden Advisors LP | $42.9M | 0 | Added |
| 15 | Context Capital Management, LLC | $42.6M | 0 | Added |
| 16 | WELLINGTON MANAGEMENT GROUP LLP | $40.5M | 1.6M | Added |
| 17 | CITADEL ADVISORS LLC | $31.7M | 226,680 | Added |
| 18 | BANK OF AMERICA CORP /DE/ | $31.2M | 1.2M | Added |
| 19 | PRICE T ROWE ASSOCIATES INC /MD/ | $31.1M | 1.2M | Added |
| 20 | GEODE CAPITAL MANAGEMENT, LLC | $22.4M | 882,654 | Added |
| 21 | ALLIANCEBERNSTEIN L.P. | $21.6M | 1.1M | Added |
| 22 | TWO SIGMA INVESTMENTS, LP | $20.7M | 815,150 | Added |
| 23 | EcoR1 Capital, LLC | $20.0M | 789,500 | Hold |
| 24 | Woodline Partners LP | $18.0M | 590,539 | Added |
| 25 | MILLENNIUM MANAGEMENT LLC | $17.0M | 660,470 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30