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 | SG Americas Securities, LLC 13F manager | Trim | Common stock | $-26 | -9K -15.35% | 47,089 0.02% of shares | low |
| Q1 2026 as of | SG Americas Securities, LLC 13F manager | Add | Common stock | $138 | +45K +426.00% | 55,625 0.03% of shares | low |
| Q1 2026 as of | Janney Montgomery Scott LLC 13F manager | Add | Common stock | $216 | +70K +68.22% | 172,610 0.09% of shares | low |
| Q1 2026 as of | MassMutual Private Wealth & Trust, FSB 13F manager | Add | Common stock | $253 | +82 +8.93% | 1,000 <0.01% of shares | low |
| Q4 2025 as of | IFP Advisors, Inc 13F manager | Exit | Common stock | $-754 | -200 -100.00% | 0 | low |
| Q1 2026 as of | Sterling Capital Management LLC 13F manager | Add | Common stock | $976 | +317 +59.81% | 847 <0.01% of shares | low |
| Q2 2025 as of | Aventura Private Wealth, LLC 13F manager | Exit | Common stock | $-1.0K | -200 -100.00% | 0 | low |
| Q1 2025 as of | Aventura Private Wealth, LLC 13F manager | New | Common stock | $1.0K | +200 | 200 <0.01% of shares | low |
| Q1 2024 as of | Leonteq Securities AG 13F manager | Add | Common stock | $2.0K | +200 +66.67% | 500 <0.01% of shares | low |
| Q4 2023 as of | Leonteq Securities AG 13F manager | New | Common stock | $3.4K | +300 | 300 <0.01% of shares | low |
| Q4 2025 as of | Leonteq Securities AG 13F manager | New | Common stock | $3.6K | +1K | 1,000 <0.01% of shares | low |
| Q2 2026 as of | Trust Co of Vermont 13F manager | Exit | Common stock | $-3.6K | -1K -100.00% | 0 | low |
| Q1 2026 as of | Country Trust Bank 13F manager | Exit | Common stock | $-3.6K | -1K -100.00% | 0 | low |
| Q1 2026 as of | Zurcher Kantonalbank (Zurich Cantonalbank) 13F manager | Exit | Common stock | $-4.1K | -1K -100.00% | 0 | low |
| Q2 2026 as of | The PNC Financial Services Group, Inc. 13F manager | Add | Common stock | $4.4K | +1K +60.03% | 3,860 <0.01% of shares | low |
| Q2 2024 as of | Leonteq Securities AG 13F manager | Exit | Common stock | $-5.1K | -500 -100.00% | 0 | low |
| Q1 2026 as of | California State Teachers Retirement System 13F manager | Add | Common stock | $5.1K | +2K +30.45% | 7,124 <0.01% of shares | low |
| Q2 2026 as of | Gf Fund Management Co. Ltd. 13F manager | Add | Common stock | $5.5K | +2K +87.60% | 3,844 <0.01% of shares | low |
| Q1 2026 as of | Royal Bank of Canada 13F manager | Trim | Common stock | $-6.5K | -2K -7.65% | 25,317 0.01% of shares | low |
| Q1 2026 as of | Victory Capital Management, Inc. 13F manager | Add | Common stock | $8.7K | +3K +23.75% | 14,763 <0.01% of shares | low |
| Q1 2026 as of | ProShare Advisors LLC 13F manager | Add | Common stock | $11.4K | +4K +17.81% | 24,523 0.01% of shares | low |
| Q1 2026 as of | Ameritas Investment Partners, Inc. 13F manager | Add | Common stock | $11.5K | +4K +53.56% | 10,680 <0.01% of shares | low |
| Q4 2024 as of | Barclays PLC 13F manager | Add | Common stock | $12.9K | +2K +1.15% | 157,528 0.08% of shares | low |
| Q3 2025 as of | Peak6 LLC 13F manager | Exit | Common stock | $-13.2K | -3K -100.00% | 0 | 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 |
| 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 |
| 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 |
| Q2 2026 as of | Quadrature Capital Ltd 13F manager | Exit | Common stock | $-36.5K | -10K -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 |
| Q1 2026 as of | &Partners 13F manager | Exit | Common stock | $-54.3K | -15K -100.00% | 0 | 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 | Prudential Financial Inc 13F manager | New | Common stock | $67.1K | +22K | 21,790 0.01% of shares | 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 |
| Q2 2026 as of | AlphaQuest LLC 13F manager | Exit | Common stock | $-71.5K | -20K -100.00% | 0 | 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 |
| Q1 2026 as of | Profund Advisors LLC 13F manager | Add | Common stock | $95.0K | +31K +42.66% | 103,141 0.05% 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 | Rhumbline Advisers 13F manager | Add | Common stock | $105.2K | +34K +28.11% | 155,671 0.08% 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 |
| 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 | Grantham, Mayo, Van Otterloo & Co. LLC 13F manager | Trim | Common stock | $-142.2K | -46K -26.76% | 126,389 0.06% 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 |
| Q3 2023 as of | Barclays PLC 13F manager | Add | Common stock | $179.4K | +69K +61.95% | 180,409 0.09% 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 |
| 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 |
| Q1 2026 as of | Bridgeway Capital Management, LLC 13F manager | Exit | Common stock | $-182.7K | -51K -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 | Balyasny Asset Management L.P. 13F manager | Exit | Common stock | $-217.0K | -60K -100.00% | 0 | low |
| Q4 2025 as of | Barclays PLC 13F manager | Add | Common stock | $217.7K | +60K +17.72% | 400,595 0.21% 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 |