Altimmune Inc Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 08/07/2026 | 20.39 M | $61.97 M | 59.32% | 16.38% |
| DEEP TRACK CAPITAL, LP | 08/14/2026 | 19.25 M | $58.52 M | 100.00% | 15.47% |
| STATE STREET CORP | 08/07/2026 | 12.10 M | $36.78 M | 69.32% | 9.72% |
| TCG CROSSOVER MANAGEMENT, LLC | 08/14/2026 | 10.00 M | $30.40 M | 100.00% | 8.03% |
| VANGUARD CAPITAL MANAGEMENT LLC | 08/13/2026 | 8.18 M | $24.86 M | 44.53% | 6.57% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 08/13/2026 | 7.33 M | $22.28 M | 36.20% | 5.89% |
| MARSHALL WACE, LLP | 08/13/2026 | 6.84 M | $20.80 M | 70.26% | 5.50% |
| VIKING GLOBAL INVESTORS LP | 08/14/2026 | 6.70 M | $20.37 M | 100.00% | 5.38% |
| RA CAPITAL MANAGEMENT, L.P. | 08/14/2026 | 6.50 M | $19.76 M | 100.00% | 5.22% |
| GEODE CAPITAL MANAGEMENT, LLC | 08/12/2026 | 5.01 M | $15.24 M | 61.29% | 4.03% |
| WOODLINE PARTNERS LP | 08/14/2026 | 3.40 M | $10.34 M | 100.00% | 2.73% |
| MILLENNIUM MANAGEMENT LLC | 08/14/2026 | 3.31 M | $10.06 M | 1.56% | 2.66% |
| TRAILS EDGE CAPITAL PARTNERS, LP | 08/14/2026 | 2.66 M | $8.09 M | 100.00% | 2.14% |
| NUVEEN, LLC | 08/11/2026 | 2.41 M | $7.31 M | 3.03% | 1.93% |
| TWO SIGMA INVESTMENTS, LP | 08/14/2026 | 2.38 M | $7.24 M | -3.94% | 1.91% |
| GOLDMAN SACHS GROUP INC | 08/14/2026 | 2.21 M | $6.73 M | 63.95% | 1.78% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 08/14/2026 | 1.80 M | $5.47 M | 220.50% | 1.45% |
| GREAT POINT PARTNERS LLC | 08/14/2026 | 1.74 M | $5.29 M | 100.00% | 1.40% |
| NORTHERN TRUST CORP | 08/13/2026 | 1.60 M | $4.86 M | 60.45% | 1.28% |
| WEISS ASSET MANAGEMENT LP | 08/14/2026 | 1.53 M | $4.65 M | 100.00% | 1.23% |
| NANTAHALA CAPITAL MANAGEMENT, LLC | 08/19/2026 | 1.50 M | $4.56 M | 100.00% | 1.21% |
| VANGUARD FIDUCIARY TRUST CO | 08/13/2026 | 1.29 M | $3.93 M | 48.74% | 1.04% |
| CORMORANT ASSET MANAGEMENT, LP | 08/14/2026 | 1.25 M | $3.80 M | 100.00% | 1.00% |
| AQR CAPITAL MANAGEMENT LLC | 08/14/2026 | 1.22 M | $3.71 M | 1,328.78% | 0.98% |
| CITADEL ADVISORS LLC | 08/14/2026 | 983.56 K | $2.99 M | 119.12% | 0.79% |
| UBS GROUP AG | 08/13/2026 | 866.39 K | $2.63 M | -4.24% | 0.70% |
| MORGAN STANLEY | 08/13/2026 | 758.44 K | $2.31 M | -2.17% | 0.61% |
| BANK OF AMERICA CORP /DE/ | 08/14/2026 | 757.92 K | $2.30 M | 32.92% | 0.61% |
| GHISALLO CAPITAL MANAGEMENT LLC | 08/14/2026 | 750.00 K | $2.28 M | 100.00% | 0.60% |
| FMR LLC | 08/13/2026 | 748.97 K | $2.28 M | 11.13% | 0.60% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 08/14/2026 | 731.08 K | $2.22 M | -44.86% | 0.59% |
| BANK OF NEW YORK MELLON CORP | 08/06/2026 | 689.71 K | $2.10 M | 66.80% | 0.55% |
| TANG CAPITAL MANAGEMENT LLC | 08/14/2026 | 666.02 K | $2.02 M | 0.00% | 0.54% |
| DIMENSIONAL FUND ADVISORS LP | 08/11/2026 | 639.44 K | $1.94 M | -38.86% | 0.51% |
| CITADEL ADVISORS LLC | 08/14/2026 | 631.00 K | $1.92 M | 86.74% | 0.51% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 08/14/2026 | 624.50 K | $1.90 M | 77.58% | 0.50% |
| SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. | 08/14/2026 | 624.50 K | $1.90 M | 100.00% | 0.50% |
| HENNION & WALSH ASSET MANAGEMENT, INC. | 07/08/2026 | 518.20 K | $1.58 M | 156.55% | 0.42% |
| POINT72 ASSET MANAGEMENT, L.P. | 08/14/2026 | 486.88 K | $1.48 M | -26.82% | 0.39% |
| ROCK SPRINGS CAPITAL MANAGEMENT LP | 08/14/2026 | 471.47 K | $1.43 M | 100.00% | 0.38% |
| BEIRNE WEALTH CONSULTING SERVICES, LLC | 07/15/2026 | 421.86 K | $1.28 M | 2.43% | 0.34% |
| WELLINGTON MANAGEMENT GROUP LLP | 08/14/2026 | 420.30 K | $1.28 M | 69.37% | 0.34% |
| BNP PARIBAS ARBITRAGE, SNC | 08/13/2026 | 371.18 K | $1.13 M | -14.69% | 0.30% |
| BARCLAYS PLC | 08/14/2026 | 351.59 K | $1.07 M | 82.29% | 0.28% |
| INVESCO LTD. | 08/14/2026 | 332.59 K | $1.01 M | 45.97% | 0.27% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 08/14/2026 | 325.70 K | $990.13 K | -41.32% | 0.26% |
| RHUMBLINE ADVISERS | 08/12/2026 | 309.61 K | $941.19 K | 98.88% | 0.25% |
| JANNEY MONTGOMERY SCOTT LLC | 08/05/2026 | 302.61 K | $920.00 K | 75.31% | 0.24% |
| LMR PARTNERS LLP | 08/14/2026 | 300.00 K | $912.00 K | 100.00% | 0.24% |
| CITIGROUP INC | 08/03/2026 | 293.95 K | $893.60 K | 285.12% | 0.24% |
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Altimmune Inc institutional Ownership - FAQ's
During the previous two years, 265 institutional investors and hedge funds held shares of Altimmune Inc. The most heavily invested institutionals were:
BlackRock, Inc.: 20.39 M
Deep Track Capital, LP: 19.25 M
STATE STREET CORP: 12.1 M
TCG Crossover Management, LLC: 10 M
VANGUARD CAPITAL MANAGEMENT LLC: 8.18 M
VANGUARD PORTFOLIO MANAGEMENT LLC: 7.33 M
121.06% of Altimmune Inc stock is owned by institutional investors.
Institutional investors have bought a total of 167.79 M shares in the last 24 months. This purchase volume represents approximately $651.04 M in transactions.