Altimmune Inc Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 05/13/2026 | 12.80 M | $39.41 M | 31.85% | 14.52% |
| STATE STREET CORP | 05/15/2026 | 7.15 M | $22.01 M | 39.57% | 8.11% |
| 05/15/2026 | 5.66 M | $17.43 M | 100.00% | 6.42% | |
| 05/08/2026 | 5.38 M | $16.58 M | 100.00% | 6.11% | |
| MARSHALL WACE, LLP | 05/15/2026 | 4.02 M | $12.38 M | 335.41% | 4.56% |
| MILLENNIUM MANAGEMENT LLC | 05/15/2026 | 3.26 M | $10.04 M | 1,471.10% | 3.70% |
| GEODE CAPITAL MANAGEMENT, LLC | 05/15/2026 | 3.11 M | $9.57 M | 35.54% | 3.53% |
| ALYESKA INVESTMENT GROUP, L.P. | 05/15/2026 | 2.64 M | $8.15 M | 100.00% | 3.00% |
| TWO SIGMA INVESTMENTS, LP | 05/15/2026 | 2.48 M | $7.64 M | 95.85% | 2.81% |
| NUVEEN, LLC | 04/30/2026 | 2.33 M | $7.19 M | 87.64% | 2.65% |
| GOLDMAN SACHS GROUP INC | 05/15/2026 | 1.35 M | $4.16 M | 0.10% | 1.53% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 05/15/2026 | 1.33 M | $4.08 M | -3.15% | 1.51% |
| DIMENSIONAL FUND ADVISORS LP | 05/07/2026 | 1.05 M | $3.22 M | 268.67% | 1.19% |
| NORTHERN TRUST CORP | 05/14/2026 | 996.72 K | $3.07 M | 39.21% | 1.13% |
| UBS GROUP AG | 05/05/2026 | 904.77 K | $2.79 M | 40.92% | 1.03% |
| VANGUARD FIDUCIARY TRUST CO | 05/08/2026 | 869.32 K | $2.68 M | 100.00% | 0.99% |
| MORGAN STANLEY | 05/15/2026 | 775.26 K | $2.39 M | -42.99% | 0.88% |
| D. E. SHAW & CO., INC. | 05/15/2026 | 727.00 K | $2.24 M | -45.89% | 0.83% |
| FMR LLC | 05/15/2026 | 673.96 K | $2.08 M | 19.48% | 0.77% |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 05/14/2026 | 667.84 K | $1.92 M | 42.39% | 0.76% |
| TANG CAPITAL MANAGEMENT LLC | 05/15/2026 | 666.02 K | $2.05 M | -68.75% | 0.76% |
| POINT72 ASSET MANAGEMENT, L.P. | 05/15/2026 | 665.29 K | $2.05 M | 100.00% | 0.76% |
| BANK OF AMERICA CORP /DE/ | 05/18/2026 | 570.20 K | $1.76 M | 48.57% | 0.65% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 05/15/2026 | 561.40 K | $1.73 M | 3.71% | 0.64% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 05/15/2026 | 555.00 K | $1.71 M | -68.58% | 0.63% |
| CITADEL ADVISORS LLC | 05/15/2026 | 448.87 K | $1.38 M | -66.45% | 0.51% |
| BNP PARIBAS ARBITRAGE, SNC | 05/12/2026 | 435.08 K | $1.34 M | 145.38% | 0.49% |
| BANK OF NEW YORK MELLON CORP | 05/05/2026 | 413.50 K | $1.27 M | 16.74% | 0.47% |
| BEIRNE WEALTH CONSULTING SERVICES, LLC | 04/30/2026 | 411.86 K | $1.27 M | 9.40% | 0.47% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 05/15/2026 | 351.68 K | $1.08 M | 23.98% | 0.40% |
| CITADEL ADVISORS LLC | 05/15/2026 | 337.90 K | $1.04 M | -20.16% | 0.38% |
| JANE STREET GROUP, LLC | 05/12/2026 | 304.30 K | $937.24 K | 90.43% | 0.35% |
| STEWARD PARTNERS INVESTMENT ADVISORY, LLC | 05/08/2026 | 251.78 K | $775.49 K | 2.60% | 0.29% |
| WELLINGTON MANAGEMENT GROUP LLP | 05/15/2026 | 248.16 K | $764.33 K | -3.54% | 0.28% |
| MANGROVE PARTNERS | 05/15/2026 | 239.28 K | $736.98 K | 100.00% | 0.27% |
| BAIRD FINANCIAL GROUP, INC. | 05/14/2026 | 237.52 K | $731.57 K | 98.86% | 0.27% |
| BROWN WEALTH MANAGEMENT, LLC | 04/09/2026 | 236.14 K | $727.30 K | -8.71% | 0.27% |
| RAFFERTY ASSET MANAGEMENT, LLC | 05/15/2026 | 231.27 K | $712.32 K | 18.14% | 0.26% |
| INVESCO LTD. | 05/12/2026 | 227.86 K | $701.80 K | 6.07% | 0.26% |
| HENNION & WALSH ASSET MANAGEMENT, INC. | 05/13/2026 | 201.99 K | $622.13 K | -5.89% | 0.23% |
| CITADEL ADVISORS LLC | 05/15/2026 | 195.60 K | $602.45 K | -66.19% | 0.22% |
| BARCLAYS PLC | 05/15/2026 | 192.87 K | $594.04 K | -51.85% | 0.22% |
| JANNEY MONTGOMERY SCOTT LLC | 04/22/2026 | 172.61 K | $532.00 K | 68.22% | 0.20% |
| COMMONWEALTH EQUITY SERVICES, LLC | 04/27/2026 | 160.37 K | $493.95 K | -11.63% | 0.18% |
| KNOLL CAPITAL MANAGEMENT, LLC | 05/15/2026 | 160.00 K | $492.80 K | -85.73% | 0.18% |
| RHUMBLINE ADVISERS | 05/12/2026 | 155.67 K | $479.46 K | 28.11% | 0.18% |
| HSBC HOLDINGS PLC | 04/30/2026 | 154.37 K | $476.22 K | 16.75% | 0.18% |
| STIFEL FINANCIAL CORP | 05/12/2026 | 134.62 K | $414.62 K | 9.08% | 0.15% |
| WEALTH EFFECTS LLC | 04/21/2026 | 131.95 K | $406.41 K | 18.08% | 0.15% |
| MAN GROUP PLC | 05/15/2026 | 129.85 K | $399.93 K | 585.71% | 0.15% |
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Altimmune Inc institutional Ownership - FAQ's
During the previous two years, 233 institutional investors and hedge funds held shares of Altimmune Inc. The most heavily invested institutionals were:
BlackRock, Inc.: 12.8 M
STATE STREET CORP: 7.15 M
MARSHALL WACE, LLP: 4.02 M
MILLENNIUM MANAGEMENT LLC: 3.26 M
GEODE CAPITAL MANAGEMENT, LLC: 3.11 M
Alyeska Investment Group, L.P.: 2.64 M
78.74% of Altimmune Inc stock is owned by institutional investors.
Institutional investors have bought a total of 75.32 M shares in the last 24 months. This purchase volume represents approximately $292.23 M in transactions.