Aspen Aerogels Inc. (ASPN)
NYSE: ASPN
· Real-Time Price · USD
6.41
-0.01 (-0.16%)
At close: May 23, 2025, 3:59 PM
6.43
0.31%
After-hours: May 23, 2025, 05:02 PM EDT
Aspen Aerogels Short Interest
Aspen Aerogels has a total short interest of 8.39M. Its short interest has decreased by -8.18% to the previous Month.
Short Interest
8.39M
Short Prior Month
9.13M
% Change MoM
-8.18%
Short % Floating
12.2%
Short % Outstanding
10.21%
Days to Cover
6.62
Short Interest Chart
Short Interest History
| Date | Short Interest | Short Prior Month | % Change | Day to Cover | Short % Float | Short % Out |
|---|---|---|---|---|---|---|
| May 09, 2025 | 8.39M | 9.13M | -8.18% | 6.62 | 12.2% | 10.21% |
| Apr 25, 2025 | 9.13M | 9.2M | -0.74% | 4.46 | 13.3% | 11.12% |
| Apr 09, 2025 | 9.2M | 8.92M | 3.1% | 6.56 | 13.4% | 11.21% |
| Mar 25, 2025 | 8.92M | 9.72M | -8.17% | 5.47 | 12.99% | 10.87% |
| Mar 11, 2025 | 9.72M | 11.47M | -15.24% | 4.3 | 15.88% | 11.84% |
| Feb 26, 2025 | 11.47M | 10.81M | 6.05% | 3.46 | 18.74% | 13.98% |
| Feb 11, 2025 | 10.81M | 10.51M | 2.83% | 6.85 | 17.67% | 13.18% |
| Jan 27, 2025 | 10.51M | 9.82M | 7.06% | 7.07 | 17.18% | 12.82% |
| Jan 10, 2025 | 9.82M | 8.98M | 9.43% | 5.81 | 16.05% | 11.97% |
| Dec 24, 2024 | 8.98M | 9.12M | -1.54% | 5.94 | 14.67% | 10.94% |
| Dec 10, 2024 | 9.12M | 9.26M | -1.56% | 3.87 | 14.9% | 11.11% |
| Nov 26, 2024 | 9.26M | 8.51M | 8.86% | 2.66 | 15.13% | 11.29% |
| Nov 11, 2024 | 8.51M | 8.52M | -0.14% | 2.47 | 13.9% | 10.37% |
| Oct 24, 2024 | 8.52M | 6.48M | 31.49% | 3.52 | 14.07% | 10.47% |
| Oct 09, 2024 | 6.48M | 5.99M | 8.14% | 3.64 | 11.52% | 8.41% |
| Sep 24, 2024 | 5.99M | 5.52M | 8.63% | 3.7 | 10.66% | 7.77% |
| Sep 11, 2024 | 5.52M | 4.56M | 20.99% | 2.72 | 9.81% | 7.16% |
| Aug 26, 2024 | 4.56M | 4.47M | 1.92% | 2.14 | 8.11% | 5.91% |
| Aug 09, 2024 | 4.47M | 4.63M | -3.46% | 3.73 | 7.96% | 5.8% |
| Jul 24, 2024 | 4.63M | 4.31M | 7.46% | 5.07 | 8.38% | 6.08% |
| Jul 10, 2024 | 4.31M | 3.82M | 12.91% | 2.48 | 7.8% | 5.66% |
| Jun 26, 2024 | 3.82M | 3.7M | 3.08% | 3.12 | 6.91% | 5.01% |
| Jun 11, 2024 | 3.7M | 4.5M | -17.64% | 3.45 | 6.7% | 4.86% |
| May 24, 2024 | 4.5M | 4.94M | -9.03% | 1.8 | 8.13% | 5.91% |
| May 09, 2024 | 4.94M | 4.82M | 2.69% | 8.13 | 8.94% | 6.49% |
| Apr 24, 2024 | 4.82M | 4.59M | 4.91% | 7.79 | 8.61% | 6.27% |
| Apr 09, 2024 | 4.59M | 4.78M | -4.05% | 6.1 | 8.21% | 5.98% |
| Mar 26, 2024 | 4.78M | 4.57M | 4.69% | 4.13 | 8.27% | 6.24% |
| Mar 11, 2024 | 4.57M | 4.65M | -1.74% | 3.84 | 7.9% | 5.96% |
| Feb 27, 2024 | 4.65M | 4.54M | 2.36% | 2.88 | 8.09% | 6.09% |
| Feb 09, 2024 | 4.54M | 4.67M | -2.66% | 5.56 | 7.9% | 5.95% |
| Jan 24, 2024 | 4.67M | 5.27M | -11.49% | 5.75 | 8.12% | 6.11% |
| Jan 10, 2024 | 5.27M | 5.24M | 0.57% | 4.74 | 9.17% | 6.91% |
| Dec 27, 2023 | 5.24M | 5.79M | -9.4% | 5.05 | 9.12% | 6.87% |
| Dec 11, 2023 | 5.79M | 5.85M | -1.1% | 9.75 | 11.25% | 8.24% |
| Nov 27, 2023 | 5.85M | 6.53M | -10.36% | 6.88 | 11.37% | 8.33% |
| Nov 09, 2023 | 6.53M | 5.76M | 13.35% | 6.37 | 12.69% | 9.29% |
| Oct 24, 2023 | 5.76M | 5.86M | -1.67% | 6.57 | 11.2% | 8.2% |
| Oct 10, 2023 | 5.86M | 5.45M | 7.38% | 4.1 | 11.39% | 8.34% |
| Sep 26, 2023 | 5.45M | 5.58M | -2.2% | 8.3 | 10.61% | 7.77% |
| Sep 12, 2023 | 5.58M | 5.14M | 8.54% | 8.74 | 10.85% | 7.94% |
| Aug 24, 2023 | 5.14M | 4.78M | 7.45% | 5.38 | 10% | 7.32% |
| Aug 09, 2023 | 4.78M | 5.48M | -12.78% | 9.68 | 9.3% | 6.81% |
| Jul 25, 2023 | 5.48M | 5.29M | 3.75% | 8.79 | 10.69% | 7.82% |
| Jul 12, 2023 | 5.29M | 5.3M | -0.21% | 5.13 | 10.3% | 7.54% |
| Jun 27, 2023 | 5.3M | 4.75M | 11.42% | 6.92 | 10.32% | 7.55% |
| Jun 09, 2023 | 4.75M | 4.32M | 10.15% | 7.26 | 9.27% | 6.78% |
| May 24, 2023 | 4.32M | 4.1M | 5.14% | 3.78 | 8.41% | 6.15% |
| May 09, 2023 | 4.1M | 3.65M | 12.5% | 3.54 | 8% | 5.85% |
| Apr 25, 2023 | 3.65M | 3.43M | 6.31% | 3.96 | 7.12% | 5.21% |
| Apr 12, 2023 | 3.43M | 3.05M | 12.65% | 2.33 | 6.69% | 4.9% |
| Mar 24, 2023 | 3.05M | 3.01M | 1.2% | 2.35 | 4.82% | 4.35% |
| Mar 09, 2023 | 3.01M | 2.91M | 3.51% | 2.83 | 4.76% | 4.3% |
| Feb 27, 2023 | 2.91M | 2.71M | 7.28% | 3.89 | 4.6% | 4.15% |
| Feb 09, 2023 | 2.71M | 2.74M | -0.92% | 2.49 | 4.29% | 3.87% |
| Jan 25, 2023 | 2.74M | 3.26M | -16.18% | 4.12 | 4.33% | 3.91% |
| Jan 11, 2023 | 3.26M | 2.99M | 9.18% | 5.46 | 5.17% | 4.66% |
| Dec 27, 2022 | 2.99M | 3.09M | -3.37% | 2.49 | 4.73% | 4.27% |
| Dec 09, 2022 | 3.09M | 2.88M | 7.25% | 2.24 | 4.9% | 4.42% |
| Nov 25, 2022 | 2.88M | 2.49M | 15.73% | 7.02 | 8.46% | 7.05% |
| Nov 09, 2022 | 2.49M | 2.57M | -3.2% | 4.53 | 7.31% | 6.09% |
| Oct 25, 2022 | 2.57M | 2.63M | -2.06% | 6.79 | 7.57% | 6.3% |
| Oct 11, 2022 | 2.63M | 2.74M | -4.03% | 5.23 | 7.73% | 6.44% |
| Sep 26, 2022 | 2.74M | 2.85M | -3.83% | 8.91 | 8.15% | 6.77% |
| Sep 12, 2022 | 2.85M | 2.8M | 1.86% | 8.91 | 8.47% | 7.04% |
| Aug 24, 2022 | 2.8M | 2.74M | 2.16% | 4.9 | 8.32% | 6.91% |
| Aug 09, 2022 | 2.74M | 2.62M | 4.32% | 3.84 | 8.14% | 6.77% |
| Jul 26, 2022 | 2.62M | 1.99M | 32% | 2.27 | 8.85% | 7.19% |
| Jul 12, 2022 | 1.99M | 2.15M | -7.63% | 1 | 6.7% | 5.45% |
| Jun 27, 2022 | 2.15M | 1.86M | 15.91% | 4.83 | 7.36% | 5.96% |
| Jun 09, 2022 | 1.86M | 1.71M | 8.65% | 5.51 | 6.35% | 5.15% |
| May 24, 2022 | 1.71M | 1.59M | 7.6% | 3.05 | 5.84% | 4.74% |
| May 10, 2022 | 1.59M | 1.58M | 0.41% | 4.46 | 5.43% | 4.4% |
| Apr 26, 2022 | 1.58M | 1.57M | 0.81% | 6.31 | 5.42% | 4.39% |
| Apr 11, 2022 | 1.57M | 1.34M | 16.71% | 3.63 | 5.37% | 4.36% |
| Mar 24, 2022 | 1.34M | 1.37M | -1.73% | 3.57 | 5.14% | 4.03% |
| Mar 09, 2022 | 1.37M | 1.71M | -20.05% | 2.39 | 5.23% | 4.1% |
| Feb 25, 2022 | 1.71M | 1.19M | 44.36% | 5.08 | 6.58% | 5.15% |
| Feb 09, 2022 | 1.19M | 821.37K | 44.3% | 2.71 | 4.56% | 3.57% |
| Jan 26, 2022 | 821.37K | 684.56K | 19.98% | 3.05 | 3.16% | 2.47% |
| Jan 11, 2022 | 684.56K | 461.84K | 48.22% | 2.78 | 2.63% | 2.06% |
| Dec 27, 2021 | 461.84K | 413.08K | 11.8% | 1.91 | 1.79% | 1.4% |
| Dec 09, 2021 | 413.08K | 483.02K | -14.48% | 1.14 | 1.6% | 1.25% |
| Nov 24, 2021 | 483.02K | 519.45K | -7.01% | 2.14 | 1.87% | 1.46% |
| Nov 09, 2021 | 519.45K | 490.77K | 5.84% | 2.85 | 2.01% | 1.57% |
| Oct 26, 2021 | 490.77K | 492.84K | -0.42% | 3.08 | 1.9% | 1.48% |
| Oct 11, 2021 | 492.84K | 541.45K | -8.98% | 2.69 | 1.91% | 1.49% |
| Sep 24, 2021 | 541.45K | 510.94K | 5.97% | 2.35 | 2.1% | 1.64% |
| Sep 10, 2021 | 510.94K | 716.59K | -28.7% | 1.82 | 1.98% | 1.55% |
| Aug 24, 2021 | 716.59K | 764.48K | -6.26% | 4.12 | 2.79% | 2.18% |
| Aug 10, 2021 | 764.48K | 713.8K | 7.1% | 2.62 | 2.97% | 2.32% |
| Jul 26, 2021 | 713.8K | 967.23K | -26.2% | 2.06 | 2.78% | 2.17% |
| Jul 12, 2021 | 967.23K | 1.03M | -6.06% | 2.78 | 3.77% | 2.94% |
| Jun 24, 2021 | 1.03M | 1.02M | 1.32% | 5.04 | 4.88% | 3.63% |
| Jun 09, 2021 | 1.02M | 957.71K | 6.14% | 6.27 | 4.81% | 3.59% |
| May 25, 2021 | 957.71K | 885.3K | 8.18% | 4.71 | 4.53% | 3.38% |
| May 11, 2021 | 885.3K | 711.1K | 24.5% | 5.38 | 4.19% | 3.12% |
| Apr 26, 2021 | 711.1K | 649.73K | 9.45% | 4.31 | 3.37% | 2.51% |
| Apr 12, 2021 | 649.73K | 590.48K | 10.03% | 2.38 | 3.08% | 2.29% |
| Mar 24, 2021 | 590.48K | 558.37K | 5.75% | 3.3 | 2.45% | 2.09% |
| Mar 09, 2021 | 558.37K | 501.79K | 11.28% | 1.29 | 2.32% | 1.97% |
| Feb 24, 2021 | 501.79K | 478.16K | 4.94% | 1.85 | 2.13% | 1.8% |
| Feb 09, 2021 | 478.16K | 539.39K | -11.35% | 2.42 | 2.03% | 1.72% |
| Jan 27, 2021 | 539.39K | 498.6K | 8.18% | 3.38 | 2.28% | 1.94% |