Altimmune, Inc. (ALT) NASDAQ
Currency In USD
AD
- General
- Statistics
- Historical Data
- Profile
- Financials
ALT Historical Return
If you invested $1000 in Altimmune, Inc. (ALT) since IPO date, it would be worth $24.55 as of September 12, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $197.34, while $1000 invested 1 year ago would be worth $898.35. This corresponds to total returns of -97.55%, -80.27%, -10.16%, respectively, with annualized returns of -32.86%, -27.72%, -10.16%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
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ALT Historical Data
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| September 11, 2026 | 3.33 | 3.27 | 3.27 | 3.41 | 3.26 | 2.68M |
| September 10, 2026 | 3.32 | 3.29 | 3.29 | 3.35 | 3.25 | 2.54M |
| September 09, 2026 | 3.35 | 3.35 | 3.35 | 3.43 | 3.29 | 3.07M |
| September 08, 2026 | 3.46 | 3.36 | 3.36 | 3.55 | 3.34 | 3.59M |
| September 04, 2026 | 3.28 | 3.42 | 3.42 | 3.43 | 3.25 | 4.85M |
| September 03, 2026 | 3.3 | 3.23 | 3.23 | 3.32 | 3.19 | 2.55M |
| September 02, 2026 | 3.1 | 3.28 | 3.28 | 3.34 | 3.1 | 7.47M |
| September 01, 2026 | 3.07 | 3.09 | 3.09 | 3.1 | 3.02 | 2.34M |
| August 31, 2026 | 3.08 | 3.11 | 3.11 | 3.14 | 3.06 | 2.22M |
| August 28, 2026 | 3.21 | 3.11 | 3.11 | 3.23 | 3.06 | 3.19M |
| August 27, 2026 | 3.19 | 3.24 | 3.24 | 3.25 | 3.13 | 2.24M |
| August 26, 2026 | 3.2 | 3.15 | 3.15 | 3.2 | 3.09 | 4.05M |
| August 25, 2026 | 3.14 | 3.2 | 3.2 | 3.23 | 3.11 | 3.81M |
| August 24, 2026 | 3.13 | 3.11 | 3.11 | 3.13 | 3.03 | 2.71M |
| August 21, 2026 | 2.98 | 3.11 | 3.11 | 3.24 | 2.95 | 6.15M |
| August 20, 2026 | 3.07 | 2.95 | 2.95 | 3.08 | 2.92 | 4.68M |
| August 19, 2026 | 3.04 | 3.12 | 3.12 | 3.2 | 3.01 | 10.79M |
| August 18, 2026 | 2.99 | 2.97 | 2.97 | 3.03 | 2.96 | 2.43M |
| August 17, 2026 | 2.94 | 3 | 3 | 3.02 | 2.9 | 4.03M |
| August 14, 2026 | 2.95 | 2.94 | 2.94 | 2.97 | 2.86 | 2.99M |
| August 13, 2026 | 2.95 | 2.88 | 2.88 | 2.96 | 2.84 | 4.1M |
| August 12, 2026 | 3.05 | 2.93 | 2.93 | 3.2 | 2.92 | 6.02M |
| August 11, 2026 | 3.06 | 3 | 3 | 3.08 | 2.98 | 0 |
| August 10, 2026 | 3.09 | 3.05 | 3.05 | 3.1 | 2.99 | 5.26M |
| August 07, 2026 | 3.05 | 3.08 | 3.08 | 3.1 | 3 | 4.5M |
| August 06, 2026 | 3.03 | 3.01 | 3.01 | 3.05 | 2.95 | 3.97M |
| August 05, 2026 | 3.07 | 3.03 | 3.03 | 3.12 | 3.01 | 3.08M |
| August 04, 2026 | 3.01 | 3.07 | 3.07 | 3.08 | 2.95 | 8.16M |
| August 03, 2026 | 2.88 | 3 | 3 | 3.03 | 2.86 | 4.62M |
| July 31, 2026 | 2.99 | 2.84 | 2.84 | 2.99 | 2.78 | 3.88M |
| July 30, 2026 | 2.93 | 2.98 | 2.98 | 3.01 | 2.86 | 5.42M |
| July 29, 2026 | 3 | 2.92 | 2.92 | 3.1 | 2.9 | 8.29M |
| July 28, 2026 | 3.16 | 2.99 | 2.99 | 3.31 | 2.82 | 17.09M |
| July 27, 2026 | 2.8 | 2.96 | 2.96 | 3.03 | 2.8 | 4.06M |
| July 24, 2026 | 2.85 | 2.77 | 2.77 | 2.89 | 2.76 | 1.9M |
| July 23, 2026 | 2.79 | 2.84 | 2.84 | 2.84 | 2.75 | 1.63M |
| July 22, 2026 | 2.81 | 2.81 | 2.81 | 2.87 | 2.77 | 2.29M |
| July 21, 2026 | 2.81 | 2.82 | 2.82 | 2.87 | 2.78 | 1.98M |
| July 20, 2026 | 2.89 | 2.81 | 2.81 | 2.91 | 2.79 | 2.61M |
| July 17, 2026 | 2.79 | 2.87 | 2.87 | 2.95 | 2.77 | 2.96M |
| July 16, 2026 | 2.96 | 2.85 | 2.85 | 2.97 | 2.81 | 2.99M |
| July 15, 2026 | 2.94 | 2.98 | 2.98 | 3 | 2.89 | 2.83M |
| July 14, 2026 | 2.98 | 2.93 | 2.93 | 3.02 | 2.9 | 3.29M |
| July 13, 2026 | 3.01 | 2.99 | 2.99 | 3.02 | 2.92 | 2.45M |
| July 10, 2026 | 3.12 | 3.05 | 3.05 | 3.14 | 2.95 | 2.99M |
| July 09, 2026 | 3.11 | 3.12 | 3.12 | 3.15 | 3.04 | 2.87M |
| July 08, 2026 | 2.94 | 3.11 | 3.11 | 3.11 | 2.93 | 3.52M |
| July 07, 2026 | 3.08 | 3.02 | 3.02 | 3.12 | 2.96 | 4.62M |
| July 06, 2026 | 3.25 | 3.08 | 3.08 | 3.3 | 3.08 | 4.34M |
| July 02, 2026 | 3.18 | 3.16 | 3.16 | 3.26 | 3.1 | 4.04M |
| July 01, 2026 | 3.02 | 3.15 | 3.15 | 3.4 | 3 | 7.97M |
| June 30, 2026 | 2.95 | 3.04 | 3.04 | 3.14 | 2.91 | 4.33M |
| June 29, 2026 | 2.85 | 2.94 | 2.94 | 2.94 | 2.79 | 3.63M |
| June 26, 2026 | 2.85 | 2.82 | 2.82 | 2.9 | 2.74 | 17.1M |
| June 25, 2026 | 2.96 | 2.87 | 2.87 | 3 | 2.86 | 2.78M |
| June 24, 2026 | 2.92 | 2.95 | 2.95 | 3.04 | 2.92 | 3.48M |
| June 23, 2026 | 2.88 | 2.91 | 2.91 | 3.04 | 2.88 | 4.21M |
| June 22, 2026 | 2.84 | 2.93 | 2.93 | 3.05 | 2.83 | 5.77M |
| June 18, 2026 | 2.68 | 2.7 | 2.7 | 2.77 | 2.68 | 11.68M |
| June 17, 2026 | 2.65 | 2.64 | 2.64 | 2.71 | 2.62 | 3.57M |
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