Altimmune, Inc. (NASDAQ:ALT) showed up in the 13F filings of 169 institutional investors as of March 2026.
| 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 |
| 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 |
| 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 |
| 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 |
| Goldman Sachs Group Inc | 31 Mar, 2026 | 1,350,649 | -1,347,937 | -49.95% | $4,159,999.00 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 31 Mar, 2026 | 1,325,956 | -43,061 | -3.15% | $4,083,944.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Mar, 2026 | 1,045,926 | 762,223 | 268.67% | $3,220,757.00 |
| Northern Trust Corp | 31 Mar, 2026 | 996,721 | 280,730 | 39.21% | $3,069,900.00 |
| UBS Group AG | 31 Mar, 2026 | 904,768 | 262,720 | 40.92% | $2,786,685.00 |
| VANGUARD FIDUCIARY TRUST CO | 31 Mar, 2026 | 869,318 | 869,318 | 0.00% | $2,677,499.00 |
| Morgan Stanley | 31 Mar, 2026 | 775,258 | -584,627 | -42.99% | $2,387,794.00 |
| D. E. Shaw & Co., Inc. | 31 Mar, 2026 | 727,001 | -616,582 | -45.89% | $2,239,163.00 |
| FMR LLC | 31 Mar, 2026 | 673,964 | 109,871 | 19.48% | $2,075,808.00 |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 31 Mar, 2026 | 667,837 | 198,824 | 42.39% | $1,923,371.00 |