Altimmune, Inc. · NASDAQ:ALT
Altimmune, Inc. shareholders
As of Jun 30, 2026, 203 institutions reported holding Altimmune, Inc., 77.9% of its shares. Largest: BlackRock, Deep Track Capital, LP and Vanguard. New holders, exits, insiders and big stakes, each with its filing.
| Holder | Shares | % of Altimmune, Inc. | Change | Filed |
|---|---|---|---|---|
| BlackRock | 20.4M | 10.5% | +7.59M | Aug 7, 2026 |
| Deep Track Capital, LP | 19.3M | 9.9% | new | Aug 14, 2026 |
| Vanguard | 16.9M | 8.7% | +4.93M | Aug 13, 2026 |
| State Street | 12.1M | 6.2% | +4.95M | Aug 7, 2026 |
| TCG Crossover Management, LLC | 10M | 5.1% | new | Aug 14, 2026 |
| Marshall Wace, LLP | 6.84M | 3.5% | +2.82M | Aug 13, 2026 |
| Viking Global Investors LP | 6.7M | 3.4% | new | Aug 14, 2026 |
| Ra Capital Management, L.P. | 6.5M | 3.3% | new | Aug 14, 2026 |
| Geode Capital | 5.01M | 2.6% | +1.9M | Aug 12, 2026 |
| Woodline Partners LP | 3.4M | 1.7% | new | Aug 14, 2026 |