Companies / Altimmune Inc / Activity
Activity — Altimmune Inc
74 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common stock | $32.47M | +10.7M +110.06% | 20,385,284 10.48% of shares | medium |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common stock | $21.22M | +7.0M +136.31% | 12,098,540 6.22% of shares | medium |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | Add | Common stock | $9.53M | +3.1M +335.41% | 4,017,901 2.07% of shares | medium |
| Q1 2026 as of | Millennium Management LLC 13F manager | Add | Common stock | $9.40M | +3.1M +1471.10% | 3,258,191 1.68% of shares | medium |
| Q1 2026 as of | Tang Capital Management, LLC 13F manager | Trim | Common stock | $-4.51M | -1.5M -68.75% | 666,022 0.34% of shares | low |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Add | Common stock | $3.74M | +1.2M +95.85% | 2,478,900 1.27% of shares | low |
| Q1 2026 as of | Knoll Capital Management, LLC 13F manager | Trim | Common stock | $-2.96M | -962K -85.73% | 160,000 0.08% of shares | low |
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Add | Common stock | $2.51M | +815K +35.54% | 3,107,096 1.60% of shares | low |
| Q1 2026 as of | D. E. Shaw & Co., Inc. 13F manager | Trim | Common stock | $-1.90M | -617K -45.89% | 727,001 0.37% of shares | low |
| Q4 2023 as of | Barclays PLC 13F manager | Trim | Common stock | $-1.21M | -108K -59.86% | 72,423 0.04% of shares | low |
| Q1 2026 as of | Sculptor Capital LP 13F manager | Exit | Common stock | $-998.9K | -277K -100.00% | 0 | low |
| Q4 2025 as of | Sculptor Capital LP 13F manager | New | Common stock | $998.9K | +277K | 276,700 0.14% of shares | low |
| Q1 2026 as of | BNP Paribas Financial Markets 13F manager | Add | Common stock | $793.9K | +258K +145.38% | 435,078 0.22% of shares | low |
| Q1 2026 as of | Pavaki Capital Management LLC 13F manager | Exit | Common stock | $-777.6K | -215K -100.00% | 0 | low |
| Q1 2026 as of | Schroder Investment Management Group 13F manager | Add | Common stock | $572.6K | +199K +42.39% | 667,837 0.34% of shares | low |
| Q1 2023 as of | Barclays PLC 13F manager | Trim | Common stock | $-567.1K | -134K -37.20% | 226,861 0.12% of shares | low |
| Q1 2026 as of | Los Angeles Capital Management LLC 13F manager | Exit | Common stock | $-523.1K | -129K -100.00% | 0 | low |
| Q3 2024 as of | Barclays PLC 13F manager | Add | Common stock | $460.9K | +75K +93.04% | 155,741 0.08% of shares | low |
| Q2 2023 as of | Barclays PLC 13F manager | Trim | Common stock | $-407.6K | -115K -50.90% | 111,395 0.06% of shares | low |
| Q2 2025 as of | Barclays PLC 13F manager | Add | Common stock | $404.9K | +105K +55.82% | 292,095 0.15% of shares | low |
| Q2 2024 as of | Danske Bank A/S 13F manager | Exit | Common stock | $-370.2K | -36K -100.00% | 0 | low |
| Q2 2026 as of | Deutsche Bank AG 13F manager | Add | Common stock | $349.8K | +115K +143.95% | 195,014 0.10% of shares | low |
| Q1 2024 as of | Barclays PLC 13F manager | Add | Common stock | $284.3K | +28K +38.57% | 100,355 0.05% of shares | low |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Add | Common stock | $228.7K | +63K +19.77% | 383,783 0.20% of shares | low |
| Q2 2026 as of | LPL Financial LLC 13F manager | Add | Common stock | $222.9K | +73K +150.80% | 121,952 0.06% of shares | low |
| Q4 2025 as of | Barclays PLC 13F manager | Add | Common stock | $217.7K | +60K +17.72% | 400,595 0.21% of shares | low |
| Q1 2026 as of | Balyasny Asset Management L.P. 13F manager | Exit | Common stock | $-217.0K | -60K -100.00% | 0 | low |
| Q1 2026 as of | AQR Capital Management, LLC 13F manager | Add | Common stock | $198.1K | +64K +304.10% | 85,454 0.04% of shares | low |
| Q1 2026 as of | Bridgeway Capital Management, LLC 13F manager | Exit | Common stock | $-182.7K | -51K -100.00% | 0 | low |
| Q1 2026 as of | Bank of New York Mellon Corp/The 13F manager | Add | Common stock | $182.7K | +59K +16.74% | 413,503 0.21% of shares | low |
| Q3 2025 as of | Barclays PLC 13F manager | Add | Common stock | $181.7K | +48K +16.50% | 340,283 0.17% of shares | low |
| Q3 2023 as of | Barclays PLC 13F manager | Add | Common stock | $179.4K | +69K +61.95% | 180,409 0.09% of shares | low |
| Q1 2025 as of | Barclays PLC 13F manager | Add | Common stock | $149.7K | +30K +19.00% | 187,462 0.10% of shares | low |
| Q1 2026 as of | Grantham, Mayo, Van Otterloo & Co. LLC 13F manager | Trim | Common stock | $-142.2K | -46K -26.76% | 126,389 0.06% of shares | low |
| Q2 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-130.9K | -20K -19.61% | 80,677 0.04% of shares | low |
| Q1 2026 as of | Rafferty Asset Management, LLC 13F manager | Add | Common stock | $109.4K | +36K +18.14% | 231,271 0.12% of shares | low |
| Q1 2026 as of | Rhumbline Advisers 13F manager | Add | Common stock | $105.2K | +34K +28.11% | 155,671 0.08% of shares | low |
| Q3 2025 as of | Farallon Capital Management LLC 13F manager | New | Common stock | $104.1K | +28K | 27,600 0.01% of shares | low |
| Q1 2026 as of | Profund Advisors LLC 13F manager | Add | Common stock | $95.0K | +31K +42.66% | 103,141 0.05% of shares | low |
| Q1 2026 as of | CPPIB Crestone Peak Resources Canada Inc. 13F manager | Add | Common stock | $71.8K | +23K +77.67% | 53,300 0.03% of shares | low |
| Q2 2026 as of | AlphaQuest LLC 13F manager | Exit | Common stock | $-71.5K | -20K -100.00% | 0 | low |
| Q1 2026 as of | Intech Investment Management LLC 13F manager | Trim | Common stock | $-67.1K | -22K -41.47% | 30,761 0.02% of shares | low |
| Q1 2026 as of | Prudential Financial Inc 13F manager | New | Common stock | $67.1K | +22K | 21,790 0.01% of shares | low |
| Q1 2026 as of | ALPS Advisors, Inc. 13F manager | Add | Common stock | $62.2K | +20K +23.58% | 105,881 0.05% of shares | low |
| Q1 2026 as of | &Partners 13F manager | Exit | Common stock | $-54.3K | -15K -100.00% | 0 | low |
| Q2 2026 as of | WINTON GROUP Ltd 13F manager | New | Common stock | $48.9K | +16K | 16,100 <0.01% of shares | low |
| Q2 2026 as of | Quadrature Capital Ltd 13F manager | Exit | Common stock | $-36.5K | -10K -100.00% | 0 | low |
| Q1 2026 as of | North Star Investment Management Corporation 13F manager | Add | Common stock | $27.7K | +9K +112.50% | 17,000 <0.01% of shares | low |
| Q1 2026 as of | Voya Investment Management LLC 13F manager | Add | Common stock | $22.5K | +7K +53.48% | 21,011 0.01% of shares | low |
| Q2 2026 as of | Victory Capital Management, Inc. 13F manager | Add | Common stock | $19.6K | +6K +43.72% | 21,218 0.01% of shares | low |