Altimmune, Inc. (NASDAQ:ALT) appears in 180 institutional 13F filings for the quarter ending December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| BlackRock, Inc. | 31 Mar, 2026 | 12,795,277 | 3,090,979 | 31.85% | $39,409,453.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 9,704,298 | 3,331,039 | 52.27% | $35,032,515.00 |
| VANGUARD GROUP INC | 31 Mar, 2026 | 9,491,159 | 3,117,521 | 48.91% | $34,263,084.00 |
| State Street Corp | 31 Mar, 2026 | 7,145,550 | 2,025,847 | 39.57% | $22,008,294.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 5,658,049 | 5,658,049 | 0.00% | $17,426,791.00 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 31 Mar, 2026 | 5,382,002 | 5,382,002 | 0.00% | $16,576,566.00 |
| State Street Corp | 31 Mar, 2026 | 5,119,703 | 1,518,448 | 42.16% | $18,482,128.00 |
| MARSHALL WACE, LLP | 31 Mar, 2026 | 4,017,901 | 3,095,124 | 335.41% | $12,375,135.00 |
| MILLENNIUM MANAGEMENT LLC | 31 Mar, 2026 | 3,258,191 | 3,050,808 | 1,471.10% | $10,035,228.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 3,107,096 | 814,686 | 35.54% | $9,572,306.00 |
| Goldman Sachs Group Inc | 31 Mar, 2026 | 2,698,586 | 2,136,329 | 379.96% | $9,741,896.00 |
| Alyeska Investment Group, L.P. | 31 Mar, 2026 | 2,644,600 | 2,644,600 | 0.00% | $8,145,368.00 |
| TWO SIGMA INVESTMENTS, LP | 31 Mar, 2026 | 2,478,900 | 1,213,217 | 95.85% | $7,635,012.00 |
| Nuveen, LLC | 31 Mar, 2026 | 2,334,601 | 1,090,390 | 87.64% | $7,190,571.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 2,292,410 | 275,025 | 13.63% | $8,277,782.00 |
| TANG CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 2,131,307 | 0 | 0.00% | $7,694,018.00 |
| JANE STREET GROUP, LLC | 31 Mar, 2026 | 1,783,950 | 1,503,751 | 536.67% | $6,440,060.00 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 31 Mar, 2026 | 1,369,017 | -5,165 | -0.38% | $4,942,151.00 |
| Morgan Stanley | 31 Mar, 2026 | 1,359,885 | -131,164 | -8.80% | $4,909,186.00 |
| Goldman Sachs Group Inc | 31 Mar, 2026 | 1,350,649 | -1,347,937 | -49.95% | $4,159,999.00 |