Altimmune Inc Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 02/12/2026 | 9.70 M | $35.03 M | 52.27% | 10.85% |
| VANGUARD GROUP INC | 01/29/2026 | 9.49 M | $34.26 M | 48.91% | 10.61% |
| STATE STREET CORP | 02/13/2026 | 5.12 M | $18.48 M | 42.16% | 5.73% |
| GEODE CAPITAL MANAGEMENT, LLC | 02/09/2026 | 2.29 M | $8.28 M | 13.63% | 2.56% |
| TANG CAPITAL MANAGEMENT LLC | 02/17/2026 | 2.13 M | $7.69 M | 0.00% | 2.38% |
| JANE STREET GROUP, LLC | 02/12/2026 | 1.78 M | $6.44 M | 536.67% | 2.00% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 02/17/2026 | 1.77 M | $6.38 M | 4.76% | 1.98% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 02/17/2026 | 1.37 M | $4.94 M | -0.38% | 1.53% |
| MORGAN STANLEY | 02/13/2026 | 1.36 M | $4.91 M | -8.80% | 1.52% |
| GOLDMAN SACHS GROUP INC | 03/25/2026 | 1.35 M | $4.87 M | 139.98% | 1.51% |
| D. E. SHAW & CO., INC. | 02/17/2026 | 1.34 M | $4.85 M | 272.81% | 1.50% |
| CITADEL ADVISORS LLC | 02/17/2026 | 1.34 M | $4.83 M | 4.36% | 1.50% |
| TWO SIGMA INVESTMENTS, LP | 02/17/2026 | 1.27 M | $4.57 M | -36.62% | 1.42% |
| NUVEEN, LLC | 02/12/2026 | 1.24 M | $4.49 M | 514.87% | 1.39% |
| KNOLL CAPITAL MANAGEMENT, LLC | 02/17/2026 | 1.12 M | $4.05 M | 0.00% | 1.25% |
| MARSHALL WACE, LLP | 02/13/2026 | 922.78 K | $3.33 M | 100.00% | 1.03% |
| TWO SIGMA ADVISERS, LP | 02/17/2026 | 793.90 K | $2.87 M | -44.42% | 0.89% |
| NORTHERN TRUST CORP | 02/17/2026 | 715.99 K | $2.58 M | 8.98% | 0.80% |
| UBS GROUP AG | 01/29/2026 | 642.05 K | $2.32 M | -0.12% | 0.72% |
| CITADEL ADVISORS LLC | 02/17/2026 | 578.50 K | $2.09 M | 57.72% | 0.65% |
| FMR LLC | 02/17/2026 | 564.09 K | $2.04 M | 26.72% | 0.63% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 02/17/2026 | 541.30 K | $1.95 M | -34.47% | 0.61% |
| DIADEMA PARTNERS LP | 02/17/2026 | 491.80 K | $1.78 M | 6.22% | 0.55% |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 02/13/2026 | 469.01 K | $1.69 M | 100.00% | 0.52% |
| CITADEL ADVISORS LLC | 02/17/2026 | 423.20 K | $1.53 M | 14.47% | 0.47% |
| BARCLAYS PLC | 02/13/2026 | 400.60 K | $1.45 M | 17.72% | 0.45% |
| SOVIERO ASSET MANAGEMENT, LP | 02/17/2026 | 400.00 K | $1.44 M | 100.00% | 0.45% |
| BANK OF AMERICA CORP /DE/ | 02/17/2026 | 383.78 K | $1.39 M | 19.77% | 0.43% |
| BEIRNE WEALTH CONSULTING SERVICES, LLC | 01/29/2026 | 376.46 K | $1.36 M | -8.28% | 0.42% |
| BANK OF NEW YORK MELLON CORP | 02/10/2026 | 354.20 K | $1.28 M | 3.57% | 0.40% |
| DIMENSIONAL FUND ADVISORS LP | 02/12/2026 | 283.70 K | $1.02 M | -4.73% | 0.32% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 02/13/2026 | 283.67 K | $1.02 M | 38.75% | 0.32% |
| SCULPTOR CAPITAL LP | 02/13/2026 | 276.70 K | $998.89 K | 0.00% | 0.31% |
| UBS GROUP AG | 01/29/2026 | 275.50 K | $994.56 K | -3.64% | 0.31% |
| BROWN WEALTH MANAGEMENT, LLC | 02/06/2026 | 258.67 K | $933.81 K | 10.70% | 0.29% |
| WELLINGTON MANAGEMENT GROUP LLP | 02/17/2026 | 257.27 K | $928.75 K | -2.84% | 0.29% |
| LMR PARTNERS LLP | 02/17/2026 | 250.00 K | $902.50 K | 0.00% | 0.28% |
| STEWARD PARTNERS INVESTMENT ADVISORY, LLC | 02/12/2026 | 245.39 K | $885.87 K | 11.89% | 0.27% |
| JUMP FINANCIAL, LLC | 02/17/2026 | 242.02 K | $873.68 K | 109.00% | 0.27% |
| INVESCO LTD. | 02/19/2026 | 214.82 K | $775.52 K | 32.65% | 0.24% |
| HENNION & WALSH ASSET MANAGEMENT, INC. | 01/14/2026 | 214.63 K | $774.82 K | 15.66% | 0.24% |
| MILLENNIUM MANAGEMENT LLC | 02/17/2026 | 207.38 K | $748.65 K | -43.58% | 0.23% |
| RAFFERTY ASSET MANAGEMENT, LLC | 02/13/2026 | 195.77 K | $706.72 K | 25.34% | 0.22% |
| COMMONWEALTH EQUITY SERVICES, LLC | 02/12/2026 | 181.48 K | $655.15 K | 4.24% | 0.20% |
| BNP PARIBAS ARBITRAGE, SNC | 02/10/2026 | 177.31 K | $640.07 K | 137.89% | 0.20% |
| IMC-CHICAGO, LLC | 01/29/2026 | 173.13 K | $625.00 K | 50.08% | 0.19% |
| GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC | 02/17/2026 | 172.56 K | $622.94 K | 100.00% | 0.19% |
| JANE STREET GROUP, LLC | 02/12/2026 | 159.80 K | $576.88 K | 132.61% | 0.18% |
| DCF ADVISERS, LLC | 02/11/2026 | 158.00 K | $570.38 K | 100.00% | 0.18% |
| JEFFERIES FINANCIAL GROUP INC. | 02/09/2026 | 157.80 K | $569.66 K | 215.60% | 0.18% |
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Altimmune Inc institutional Ownership - FAQ's
During the previous two years, 235 institutional investors and hedge funds held shares of Altimmune Inc. The most heavily invested institutionals were:
Nuveen, LLC: 2.33 M
DIMENSIONAL FUND ADVISORS LP: 1.05 M
UBS Group AG: 904,768
VANGUARD FIDUCIARY TRUST CO: 869,318
BNP PARIBAS ARBITRAGE, SNC: 435,078
Bank of New York Mellon Corp: 413,503
61.34% of Altimmune Inc stock is owned by institutional investors.
Institutional investors have bought a total of 63.46 M shares in the last 24 months. This purchase volume represents approximately $246.24 M in transactions.