ALTIMMUNE INC ALT
$3.16
+0.3% 52w: $2.59 – $7.71
Latest 13F among current holders filed 19 days ago (Jun 16, 2026)
Price — last 12 months
research preview data2.595.157.71
Jun 20, 2025 Jul 2, 2026
Institutional holders
173
-10 QoQ
13F value
$213.5M
+7.5% QoQ
Smart-money holders
6
signal tier ≥ 2
New smart buyers
2
Q1 2026
Options barometer
3.2×
$10.4M calls / $3.2M puts
Institutional value by quarter
Number of holders
Who owns ALT?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | Index provider | 12.8M | $39.4M | 0.0% | +31.9% |
| STATE STREET CORP | Index provider | 7.1M | $22.0M | 0.0% | +39.6% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 5.7M | $17.4M | 0.0% | — |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 5.4M | $16.6M | 0.0% | — |
| MARSHALL WACE, LLP | Quant stat arb | 4.0M | $12.4M | 0.0% | +335.4% |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 3.3M | $10.0M | 0.0% | +1471.1% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 3.1M | $9.6M | 0.0% | +35.5% |
| Alyeska Investment Group, L.P. | Quant stat arb | 2.6M | $8.1M | 0.0% | New |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 2.5M | $7.6M | 0.0% | +95.9% |
| Nuveen, LLC | Diversified mechanical | 2.3M | $7.2M | 0.0% | +87.6% |
| GOLDMAN SACHS GROUP INC | Bank broker | 1.4M | $4.2M | 0.0% | +0.1% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Market maker | 1.3M | $4.1M | 0.0% | -3.1% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 1.0M | $3.2M | 0.0% | +268.7% |
| NORTHERN TRUST CORP | Index provider | 996.7K | $3.1M | 0.0% | +39.2% |
| UBS Group AG | Bank broker | 904.8K | $2.8M | 0.0% | +40.9% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 869.3K | $2.7M | 0.0% | — |
| MORGAN STANLEY | Bank broker | 775.3K | $2.4M | 0.0% | -43.0% |
| D. E. Shaw & Co., Inc. | Quant stat arb | 727.0K | $2.2M | 0.0% | -45.9% |
| FMR LLC | Long only active | 674.0K | $2.1M | 0.0% | +19.5% |
| TANG CAPITAL MANAGEMENT LLC ★2 | Fundamental diversified | 666.0K | $2.1M | 0.1% | -68.8% |
| Point72 Asset Management, L.P. | Multistrat pod | 665.3K | $2.0M | 0.0% | New |
| SCHRODER INVESTMENT MANAGEMENT GROUP | Diversified mechanical | 667.8K | $1.9M | 0.0% | +42.4% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 570.2K | $1.8M | 0.0% | +48.6% |
| CITADEL ADVISORS LLC | Multistrat pod | 448.9K | $1.4M | 0.0% | -66.5% |
| BNP PARIBAS FINANCIAL MARKETS | Bank broker | 435.1K | $1.3M | 0.0% | +145.4% |
| Bank of New York Mellon Corp | Diversified mechanical | 413.5K | $1.3M | 0.0% | +16.7% |
| Beirne Wealth Consulting Services, LLC | Wealth advisor | 411.9K | $1.3M | 0.4% | +9.4% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 351.7K | $1.1M | 0.0% | +24.0% |
| Steward Partners Investment Advisory, LLC | Diversified mechanical | 251.8K | $775K | 0.0% | +2.6% |
| WELLINGTON MANAGEMENT GROUP LLP | Long only active | 248.2K | $764K | 0.0% | -3.5% |
| MANGROVE PARTNERS IM, LLC | Quant stat arb | 239.3K | $737K | 0.1% | New |
| Baird Financial Group, Inc. | Diversified mechanical | 237.5K | $732K | 0.0% | +98.9% |
| BROWN WEALTH MANAGEMENT, LLC | Wealth advisor | 236.1K | $727K | 0.2% | -8.7% |
| Rafferty Asset Management, LLC | Index provider | 231.3K | $712K | 0.0% | +18.1% |
| Invesco Ltd. | Index provider | 227.9K | $702K | 0.0% | +6.1% |
| Hennion & Walsh Asset Management, Inc. | Other | 202.0K | $622K | 0.0% | -5.9% |
| BARCLAYS PLC | Bank broker | 192.9K | $594K | 0.0% | -51.9% |
| Janney Montgomery Scott LLC | Diversified mechanical | 172.6K | $532K | 0.0% | +68.2% |
| COMMONWEALTH EQUITY SERVICES, LLC | Wealth advisor | 160.4K | $494K | 0.0% | -11.6% |
| Knoll Capital Management, LLC ★3 | Fundamental concentrated | 160.0K | $493K | 0.3% | -85.7% |
| RHUMBLINE ADVISERS | Diversified mechanical | 155.7K | $479K | 0.0% | +28.1% |
| HSBC HOLDINGS PLC | Bank broker | 154.4K | $476K | 0.0% | -41.6% |
| STIFEL FINANCIAL CORP | Diversified mechanical | 134.6K | $415K | 0.0% | +9.1% |
| WEALTH EFFECTS LLC | Other | 131.9K | $406K | 0.1% | +18.1% |
| Man Group plc | Quant stat arb | 129.8K | $400K | 0.0% | +585.7% |
| Grantham, Mayo, Van Otterloo & Co. LLC | Other | 126.4K | $389K | 0.0% | -26.8% |
| DEUTSCHE BANK AG\ | Bank broker | 124.5K | $384K | 0.0% | +55.8% |
| JPMORGAN CHASE & CO | Bank broker | 127.5K | $367K | 0.0% | +22.0% |
| Engineers Gate Manager LP | Diversified mechanical | 116.1K | $358K | 0.0% | +33.1% |
| Jefferies Financial Group Inc. | Diversified mechanical | 110.0K | $339K | 0.0% | -30.3% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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