Zenas BioPharma, Inc. Common Stock (ZBIO) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for ZBIO. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 139 institutions reported holding ZBIO, with 61.3 million shares worth $1.5 billion in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| FMR | 9,506,701 | $241M | INCREASED |
| SR One Capital Management | 5,037,854 | $128M | UNCHANGED |
| Nea Management Company | 4,023,219 | $102M | UNCHANGED |
| Enavate Sciences GP | 3,919,159 | $99M | UNCHANGED |
| Federated Hermes | 3,116,805 | $79M | DECREASED |
Full institutional holdings, insider history, and congressional trades for Zenas BioPharma, Inc. Common Stock on SentiSense.