Altimmune Inc. (ALT)
NASDAQ: ALT
· Real-Time Price · USD
5.81
0.64 (12.38%)
At close: May 02, 2025, 3:59 PM
5.85
0.69%
After-hours: May 02, 2025, 04:22 PM EDT
Altimmune Short Interest
Altimmune has a total short interest of 22.44M. Its short interest has increased by 2.87% to the previous Month.
Short Interest
22.44M
Short Prior Month
21.82M
% Change MoM
2.87%
Short % Floating
31.64%
Short % Outstanding
31.55%
Days to Cover
9.02
Short Interest Chart
Short Interest History
| Date | Short Interest | Short Prior Month | % Change | Day to Cover | Short % Float | Short % Out |
|---|---|---|---|---|---|---|
| Apr 25, 2025 | 22.44M | 21.82M | 2.87% | 9.02 | 31.64% | 31.55% |
| Apr 09, 2025 | 21.82M | 22.45M | -2.84% | 9.41 | 30.75% | 30.67% |
| Mar 25, 2025 | 22.45M | 21.67M | 3.63% | 5.96 | 31.65% | 31.57% |
| Mar 11, 2025 | 21.67M | 22.47M | -3.59% | 8.37 | 30.54% | 30.46% |
| Feb 26, 2025 | 22.47M | 23.32M | -3.63% | 12.14 | 31.68% | 31.6% |
| Feb 11, 2025 | 23.32M | 24.59M | -5.18% | 12.74 | 32.87% | 32.79% |
| Jan 27, 2025 | 24.59M | 23.69M | 3.8% | 9.09 | 34.67% | 34.58% |
| Jan 10, 2025 | 23.69M | 23.85M | -0.67% | 8.46 | 33.4% | 33.31% |
| Dec 24, 2024 | 23.85M | 23.43M | 1.79% | 6.1 | 33.63% | 33.54% |
| Dec 10, 2024 | 23.43M | 22.84M | 2.62% | 8.04 | 33.04% | 32.95% |
| Nov 26, 2024 | 22.84M | 22.94M | -0.44% | 4.29 | 32.19% | 32.11% |
| Nov 11, 2024 | 22.94M | 22.23M | 3.16% | 13.09 | 32.36% | 32.27% |
| Oct 24, 2024 | 22.23M | 22.4M | -0.73% | 12.75 | 31.37% | 31.28% |
| Oct 09, 2024 | 22.4M | 21.87M | 2.39% | 9.45 | 31.6% | 31.51% |
| Sep 24, 2024 | 21.87M | 22M | -0.58% | 8.71 | 30.86% | 30.78% |
| Sep 11, 2024 | 22M | 21.7M | 1.39% | 9.82 | 31.04% | 30.96% |
| Aug 26, 2024 | 21.7M | 22.24M | -2.44% | 8.72 | 30.62% | 30.53% |
| Aug 09, 2024 | 22.24M | 22.61M | -1.6% | 9.09 | 31.62% | 31.37% |
| Jul 24, 2024 | 22.61M | 22.24M | 1.64% | 7.14 | 32.13% | 31.88% |
| Jul 10, 2024 | 22.24M | 23.14M | -3.9% | 2.82 | 31.61% | 31.37% |
| Jun 26, 2024 | 23.14M | 23.47M | -1.41% | 9.53 | 32.9% | 32.64% |
| Jun 11, 2024 | 23.47M | 23.06M | 1.77% | 9.32 | 33.37% | 33.11% |
| May 24, 2024 | 23.06M | 22.31M | 3.4% | 7.58 | 32.78% | 32.53% |
| May 09, 2024 | 22.31M | 20.37M | 9.5% | 7.41 | 31.71% | 31.46% |
| Apr 24, 2024 | 20.37M | 17.73M | 14.88% | 6.46 | 28.96% | 28.73% |
| Apr 09, 2024 | 17.73M | 12.51M | 41.72% | 4.12 | 25.21% | 25.01% |
| Mar 26, 2024 | 12.51M | 10.81M | 15.71% | 2.51 | 17.81% | 17.7% |
| Mar 11, 2024 | 10.81M | 11.55M | -6.4% | 1.38 | 15.39% | 15.3% |
| Feb 27, 2024 | 11.55M | 10.01M | 15.4% | 2.33 | 21.68% | 21.5% |
| Feb 09, 2024 | 10.01M | 10.66M | -6.08% | 1.82 | 18.78% | 18.63% |
| Jan 24, 2024 | 10.66M | 9.44M | 12.9% | 1.18 | 20% | 19.84% |
| Jan 10, 2024 | 9.44M | 11.09M | -14.89% | 1 | 17.72% | 17.57% |
| Dec 27, 2023 | 11.09M | 6.45M | 72.1% | 1 | 20.81% | 20.65% |
| Dec 11, 2023 | 6.45M | 6.73M | -4.19% | 3.86 | 12.09% | 12% |
| Nov 27, 2023 | 6.73M | 6.86M | -1.93% | 5.18 | 12.62% | 12.52% |
| Nov 09, 2023 | 6.86M | 7.4M | -7.31% | 4.63 | 12.87% | 12.77% |
| Oct 24, 2023 | 7.4M | 7.15M | 3.52% | 6.79 | 14.16% | 14.05% |
| Oct 10, 2023 | 7.15M | 6.54M | 9.38% | 8 | 13.68% | 13.57% |
| Sep 26, 2023 | 6.54M | 6.03M | 8.32% | 5.65 | 12.51% | 12.41% |
| Sep 12, 2023 | 6.03M | 5.78M | 4.32% | 7.64 | 11.55% | 11.45% |
| Aug 24, 2023 | 5.78M | 6.16M | -6.06% | 4.18 | 11.07% | 10.98% |
| Aug 09, 2023 | 6.16M | 7.35M | -16.28% | 5 | 14.33% | 12.49% |
| Jul 25, 2023 | 7.35M | 6.96M | 5.66% | 5.63 | 17.11% | 14.92% |
| Jul 12, 2023 | 6.96M | 9.13M | -23.74% | 1.7 | 16.2% | 14.12% |
| Jun 27, 2023 | 9.13M | 9.08M | 0.52% | 5.64 | 21.24% | 18.52% |
| Jun 09, 2023 | 9.08M | 8.85M | 2.58% | 6.36 | 21.13% | 18.42% |
| May 24, 2023 | 8.85M | 9.04M | -2.06% | 6.97 | 20.6% | 17.96% |
| May 09, 2023 | 9.04M | 9.86M | -8.34% | 5.07 | 21.03% | 18.34% |
| Apr 25, 2023 | 9.86M | 9.5M | 3.82% | 4.84 | 22.95% | 20.01% |
| Apr 12, 2023 | 9.5M | 7.4M | 28.31% | 2.01 | 22.1% | 19.27% |
| Mar 24, 2023 | 7.4M | 6.38M | 16.07% | 6.02 | 17.23% | 15.02% |
| Mar 09, 2023 | 6.38M | 6.26M | 1.79% | 6.89 | 14.84% | 12.94% |
| Feb 27, 2023 | 6.26M | 6.17M | 1.47% | 5.97 | 14.58% | 12.71% |
| Feb 09, 2023 | 6.17M | 7.32M | -15.64% | 3.95 | 12.65% | 12.55% |
| Jan 25, 2023 | 7.32M | 7.58M | -3.48% | 6.52 | 15% | 14.88% |
| Jan 11, 2023 | 7.58M | 6.34M | 19.54% | 2.69 | 15.54% | 15.41% |
| Dec 27, 2022 | 6.34M | 6.56M | -3.24% | 6.16 | 13.01% | 12.9% |
| Dec 09, 2022 | 6.56M | 7.29M | -10.01% | 7.3 | 13.44% | 13.34% |
| Nov 25, 2022 | 7.29M | 7.16M | 1.72% | 5.7 | 14.94% | 14.82% |
| Nov 09, 2022 | 7.16M | 7.05M | 1.59% | 6.82 | 14.69% | 14.57% |
| Oct 25, 2022 | 7.05M | 7.7M | -8.47% | 5.25 | 14.46% | 14.34% |
| Oct 11, 2022 | 7.7M | 6.76M | 13.94% | 2.76 | 15.79% | 15.67% |
| Sep 26, 2022 | 6.76M | 6.16M | 9.76% | 1.02 | 13.9% | 13.79% |
| Sep 12, 2022 | 6.16M | 4.86M | 26.82% | 4.61 | 12.66% | 12.56% |
| Aug 24, 2022 | 4.86M | 4.86M | -0.15% | 2.2 | 9.98% | 9.91% |
| Aug 09, 2022 | 4.86M | 4.4M | 10.58% | 4.63 | 10.1% | 10.02% |
| Jul 26, 2022 | 4.4M | 5.97M | -26.33% | 3.67 | 10.59% | 9.48% |
| Jul 12, 2022 | 5.97M | 6.16M | -3.04% | 2.29 | 14.38% | 12.87% |
| Jun 27, 2022 | 6.16M | 3.94M | 56.17% | 2.59 | 16.05% | 14.25% |
| Jun 09, 2022 | 3.94M | 3.85M | 2.31% | 6.66 | 10.28% | 9.12% |
| May 24, 2022 | 3.85M | 3.02M | 27.57% | 4.81 | 10.04% | 8.92% |
| May 10, 2022 | 3.02M | 2.84M | 6.49% | 5.01 | 7.87% | 6.99% |
| Apr 26, 2022 | 2.84M | 2.64M | 7.49% | 4.13 | 7.39% | 6.56% |
| Apr 11, 2022 | 2.64M | 4.14M | -36.29% | 1.91 | 6.88% | 6.11% |
| Mar 24, 2022 | 4.14M | 3.94M | 5.07% | 4.89 | 10.8% | 9.58% |
| Mar 09, 2022 | 3.94M | 3.6M | 9.56% | 5.53 | 9.72% | 9.62% |
| Feb 25, 2022 | 3.6M | 3.37M | 6.65% | 5.45 | 8.87% | 8.78% |
| Feb 09, 2022 | 3.37M | 4.58M | -26.37% | 4.12 | 8.32% | 8.23% |
| Jan 26, 2022 | 4.58M | 4.49M | 2.13% | 7.71 | 11.3% | 11.18% |
| Jan 11, 2022 | 4.49M | 4.29M | 4.69% | 5.18 | 11.06% | 10.94% |
| Dec 27, 2021 | 4.29M | 4.31M | -0.61% | 5.62 | 10.9% | 10.78% |
| Dec 09, 2021 | 4.31M | 4.76M | -9.41% | 6.85 | 10.97% | 10.85% |
| Nov 24, 2021 | 4.76M | 5.61M | -15.11% | 5.7 | 12.11% | 11.98% |
| Nov 09, 2021 | 5.61M | 5.72M | -1.93% | 7.42 | 14.26% | 14.11% |
| Oct 26, 2021 | 5.72M | 6.13M | -6.7% | 7.27 | 14.56% | 14.4% |
| Oct 11, 2021 | 6.13M | 6.65M | -7.91% | 2.2 | 15.6% | 15.43% |
| Sep 24, 2021 | 6.65M | 6.38M | 4.35% | 4.66 | 16.94% | 16.76% |
| Sep 10, 2021 | 6.38M | 5.25M | 21.42% | 5.52 | 16.24% | 16.06% |
| Aug 24, 2021 | 5.25M | 5M | 4.95% | 4.49 | 13.37% | 13.23% |
| Aug 10, 2021 | 5M | 5.26M | -4.91% | 6.67 | 12.74% | 12.6% |
| Jul 26, 2021 | 5.26M | 4.64M | 13.52% | 2.45 | 15.15% | 13.26% |
| Jul 12, 2021 | 4.64M | 4.21M | 10.04% | 1 | 13.34% | 11.68% |
| Jun 24, 2021 | 4.21M | 4.23M | -0.3% | 3.86 | 12.6% | 10.97% |
| Jun 09, 2021 | 4.23M | 5.26M | -19.65% | 4.27 | 12.64% | 11.01% |
| May 25, 2021 | 5.26M | 5.05M | 4.2% | 7.49 | 15.73% | 13.7% |
| May 11, 2021 | 5.05M | 4.84M | 4.25% | 5.78 | 15.16% | 13.2% |
| Apr 26, 2021 | 4.84M | 5.42M | -10.59% | 6.87 | 14.54% | 12.66% |
| Apr 12, 2021 | 5.42M | 2.97M | 82.58% | 3.47 | 16.26% | 14.16% |
| Mar 24, 2021 | 2.97M | 2.41M | 22.87% | 2.2 | 9.21% | 7.99% |
| Mar 09, 2021 | 2.41M | 2.52M | -4.26% | 1.58 | 7.5% | 6.5% |
| Feb 24, 2021 | 2.52M | 2.61M | -3.35% | 1.29 | 7.83% | 6.79% |
| Feb 09, 2021 | 2.61M | 2.6M | 0.42% | 1.41 | 8.09% | 7.02% |
| Jan 27, 2021 | 2.6M | 2.93M | -11.23% | 2.18 | 8.05% | 7% |