Alkermes (ALKS)
NASDAQ: ALKS
· Real-Time Price · USD
30.63
1.86 (6.47%)
At close: May 01, 2025, 3:59 PM
30.58
-0.16%
After-hours: May 01, 2025, 04:42 PM EDT
Alkermes Short Interest
Alkermes has a total short interest of 12.35M. Its short interest has increased by 12.26% to the previous Month.
Short Interest
12.35M
Short Prior Month
11M
% Change MoM
12.26%
Short % Floating
11.31%
Short % Outstanding
7.6%
Days to Cover
6.13
Short Interest Chart
Short Interest History
| Date | Short Interest | Short Prior Month | % Change | Day to Cover | Short % Float | Short % Out |
|---|---|---|---|---|---|---|
| Apr 25, 2025 | 12.35M | 11M | 12.26% | 6.13 | 11.31% | 7.6% |
| Apr 09, 2025 | 11M | 12.95M | -15.04% | 6.98 | 10.07% | 6.77% |
| Mar 25, 2025 | 12.95M | 14.01M | -7.55% | 7.23 | 11.86% | 7.96% |
| Mar 11, 2025 | 14.01M | 11.57M | 21.03% | 9.12 | 12.83% | 8.61% |
| Feb 26, 2025 | 11.57M | 10.82M | 6.93% | 4.97 | 10.6% | 7.12% |
| Feb 11, 2025 | 10.82M | 11.37M | -4.79% | 7.18 | 9.98% | 6.69% |
| Jan 27, 2025 | 11.37M | 10.74M | 5.89% | 8.85 | 10.49% | 7.03% |
| Jan 10, 2025 | 10.74M | 12.5M | -14.13% | 6.15 | 9.9% | 6.64% |
| Dec 24, 2024 | 12.5M | 13.71M | -8.77% | 8.88 | 11.53% | 7.73% |
| Dec 10, 2024 | 13.71M | 16.56M | -17.26% | 9.17 | 12.64% | 8.47% |
| Nov 26, 2024 | 16.56M | 16.12M | 2.76% | 9.89 | 15.28% | 10.24% |
| Nov 11, 2024 | 16.12M | 15.82M | 1.87% | 8.32 | 14.87% | 9.96% |
| Oct 24, 2024 | 15.82M | 17.18M | -7.88% | 9.57 | 14.22% | 9.61% |
| Oct 09, 2024 | 17.18M | 18.62M | -7.77% | 8.76 | 15.44% | 10.43% |
| Sep 24, 2024 | 18.62M | 17.19M | 8.37% | 12.39 | 16.74% | 11.31% |
| Sep 11, 2024 | 17.19M | 17.7M | -2.89% | 14.57 | 15.44% | 10.44% |
| Aug 26, 2024 | 17.7M | 18.54M | -4.56% | 9.89 | 15.9% | 10.75% |
| Aug 09, 2024 | 18.54M | 16.13M | 14.95% | 7.85 | 16.66% | 11.26% |
| Jul 24, 2024 | 16.13M | 13.68M | 17.95% | 11.11 | 14.34% | 9.72% |
| Jul 10, 2024 | 13.68M | 11.96M | 14.37% | 6 | 11.81% | 8.08% |
| Jun 26, 2024 | 11.96M | 11.73M | 1.98% | 6.16 | 10.32% | 7.07% |
| Jun 11, 2024 | 11.73M | 12.94M | -9.41% | 6.91 | 10.12% | 6.93% |
| May 24, 2024 | 12.94M | 12.89M | 0.38% | 8.27 | 11.17% | 7.65% |
| May 09, 2024 | 12.89M | 13.52M | -4.61% | 7.6 | 11.13% | 7.62% |
| Apr 24, 2024 | 13.52M | 14.34M | -5.71% | 6.82 | 11.67% | 7.99% |
| Apr 09, 2024 | 14.34M | 14.08M | 1.78% | 8.9 | 9.79% | 8.58% |
| Mar 26, 2024 | 14.08M | 13.02M | 8.18% | 5.87 | 9.61% | 8.43% |
| Mar 11, 2024 | 13.02M | 12.22M | 6.54% | 5.4 | 8.89% | 7.79% |
| Feb 27, 2024 | 12.22M | 11.66M | 4.8% | 6.36 | 8.34% | 7.31% |
| Feb 09, 2024 | 11.66M | 13.23M | -11.84% | 8.73 | 7.97% | 6.99% |
| Jan 24, 2024 | 13.23M | 14.02M | -5.63% | 8.2 | 9.04% | 7.93% |
| Jan 10, 2024 | 14.02M | 9.68M | 44.76% | 7.42 | 9.58% | 8.4% |
| Dec 27, 2023 | 9.68M | 7.78M | 24.41% | 1.72 | 6.62% | 5.8% |
| Dec 11, 2023 | 7.78M | 7.96M | -2.21% | 3.89 | 5.32% | 4.66% |
| Nov 27, 2023 | 7.96M | 7.96M | -0.06% | 4.54 | 5.44% | 4.77% |
| Nov 09, 2023 | 7.99M | 7.27M | 10% | 3.01 | 5.46% | 4.79% |
| Oct 24, 2023 | 7.27M | 8.74M | -16.83% | 4.85 | 4.97% | 4.35% |
| Oct 10, 2023 | 8.74M | 9.71M | -10.07% | 6.06 | 5.98% | 5.24% |
| Sep 26, 2023 | 9.71M | 9.48M | 2.43% | 7.4 | 6.65% | 5.83% |
| Sep 12, 2023 | 9.48M | 8.17M | 16.09% | 4.02 | 6.5% | 5.69% |
| Aug 24, 2023 | 8.17M | 6.11M | 33.65% | 4.28 | 5.6% | 4.9% |
| Aug 09, 2023 | 6.11M | 6.05M | 1% | 3.48 | 4.19% | 3.67% |
| Jul 25, 2023 | 6.05M | 5.84M | 3.7% | 5.19 | 4.16% | 3.64% |
| Jul 12, 2023 | 5.84M | 6.41M | -8.96% | 3.35 | 4.01% | 3.51% |
| Jun 27, 2023 | 6.41M | 7.13M | -10.08% | 5.09 | 4.4% | 3.86% |
| Jun 09, 2023 | 7.13M | 7.46M | -4.43% | 7.45 | 4.9% | 4.29% |
| May 24, 2023 | 7.46M | 7.6M | -1.81% | 5.99 | 5.12% | 4.49% |
| May 09, 2023 | 7.6M | 8.83M | -13.97% | 5 | 5.22% | 4.57% |
| Apr 25, 2023 | 8.83M | 9.32M | -5.23% | 5.33 | 6.07% | 5.32% |
| Apr 12, 2023 | 9.32M | 9.47M | -1.6% | 8.38 | 7.39% | 5.61% |
| Mar 24, 2023 | 9.47M | 8.98M | 5.44% | 9.61 | 7.62% | 5.76% |
| Mar 09, 2023 | 8.98M | 8.98M | n/a | 5.71 | 7.22% | 5.46% |
| Feb 27, 2023 | 8.98M | 9.14M | -1.77% | 8.28 | 7.22% | 5.46% |
| Feb 09, 2023 | 9.14M | 9.36M | -2.34% | 6.18 | 7.35% | 5.56% |
| Jan 25, 2023 | 9.36M | 9.19M | 1.88% | 6.43 | 7.53% | 5.7% |
| Jan 11, 2023 | 9.19M | 8.87M | 3.61% | 8.27 | 7.39% | 5.59% |
| Dec 27, 2022 | 8.87M | 8.75M | 1.39% | 6.17 | 7.14% | 5.4% |
| Dec 09, 2022 | 8.75M | 9.11M | -4.02% | 5.99 | 7.04% | 5.32% |
| Nov 25, 2022 | 9.11M | 8.87M | 2.73% | 4.36 | 7.33% | 5.55% |
| Nov 09, 2022 | 8.87M | 9.09M | -2.39% | 4.04 | 7.14% | 5.4% |
| Oct 25, 2022 | 9.09M | 9.16M | -0.74% | 4.79 | 7.31% | 5.53% |
| Oct 11, 2022 | 9.16M | 8.73M | 4.82% | 6.79 | 7.37% | 5.57% |
| Sep 26, 2022 | 8.73M | 8.31M | 5.07% | 7.94 | 7.03% | 5.32% |
| Sep 12, 2022 | 8.31M | 7.68M | 8.29% | 7.44 | 6.69% | 5.06% |
| Aug 24, 2022 | 7.68M | 7.64M | 0.51% | 4.46 | 6.18% | 4.67% |
| Aug 09, 2022 | 7.64M | 7.38M | 3.44% | 4.06 | 6.15% | 4.65% |
| Jul 26, 2022 | 7.38M | 7.29M | 1.24% | 5.22 | 5.95% | 4.5% |
| Jul 12, 2022 | 7.29M | 6.86M | 6.37% | 4.87 | 5.87% | 4.44% |
| Jun 27, 2022 | 6.86M | 5.96M | 15.13% | 5.32 | 5.53% | 4.18% |
| Jun 09, 2022 | 5.96M | 6.68M | -10.78% | 4.21 | 4.8% | 3.63% |
| May 24, 2022 | 6.68M | 6.3M | 5.89% | 3.46 | 5.41% | 4.08% |
| May 10, 2022 | 6.3M | 7.28M | -13.34% | 3.07 | 5.11% | 3.86% |
| Apr 26, 2022 | 7.28M | 8.55M | -14.87% | 5.07 | 5.89% | 4.45% |
| Apr 11, 2022 | 8.55M | 9.03M | -5.37% | 5.7 | 7.27% | 5.24% |
| Mar 24, 2022 | 9.03M | 9.89M | -8.7% | 8.94 | 7.76% | 5.58% |
| Mar 09, 2022 | 9.89M | 11.68M | -15.28% | 5.78 | 8.5% | 6.11% |
| Feb 25, 2022 | 11.68M | 10.38M | 12.51% | 9.36 | 10.03% | 7.21% |
| Feb 09, 2022 | 10.38M | 10.9M | -4.83% | 7.85 | 8.92% | 6.41% |
| Jan 26, 2022 | 10.9M | 13.04M | -16.4% | 8.81 | 9.37% | 6.73% |
| Jan 11, 2022 | 13.04M | 12.74M | 2.36% | 16.19 | 11.21% | 8.05% |
| Dec 27, 2021 | 12.74M | 11.37M | 12.12% | 12.9 | 10.98% | 7.88% |
| Dec 09, 2021 | 11.37M | 11.31M | 0.46% | 9.43 | 9.79% | 7.03% |
| Nov 24, 2021 | 11.31M | 12.1M | -6.49% | 7.8 | 9.75% | 7% |
| Nov 09, 2021 | 12.1M | 11.63M | 4.07% | 9.44 | 10.42% | 7.48% |
| Oct 26, 2021 | 11.63M | 10.8M | 7.69% | 10.53 | 10.01% | 7.19% |
| Oct 11, 2021 | 10.8M | 10.64M | 1.48% | 8.71 | 9.3% | 6.68% |
| Sep 24, 2021 | 10.64M | 10.34M | 2.85% | 7.43 | 9.19% | 6.59% |
| Sep 10, 2021 | 10.34M | 11.05M | -6.35% | 8.77 | 8.94% | 6.41% |
| Aug 24, 2021 | 11.05M | 11.91M | -7.27% | 5.39 | 9.55% | 6.85% |
| Aug 10, 2021 | 11.91M | 11.87M | 0.36% | 9.82 | 10.29% | 7.38% |
| Jul 26, 2021 | 11.87M | 12.11M | -2.02% | 7.51 | 10.26% | 7.36% |
| Jul 12, 2021 | 12.11M | 10.63M | 13.93% | 3.67 | 10.47% | 7.51% |
| Jun 24, 2021 | 10.63M | 10.5M | 1.23% | 5.78 | 9.26% | 6.63% |
| Jun 09, 2021 | 10.51M | 11.28M | -6.79% | 4.48 | 9.15% | 6.55% |
| May 25, 2021 | 11.28M | 11.06M | 1.91% | 6.51 | 9.82% | 7.03% |
| May 11, 2021 | 11.06M | 12.21M | -9.39% | 7.64 | 9.63% | 6.9% |
| Apr 26, 2021 | 12.21M | 12.37M | -1.28% | 13.82 | 10.63% | 7.61% |
| Apr 12, 2021 | 12.37M | 12.01M | 2.97% | 12.3 | 10.79% | 7.72% |
| Mar 24, 2021 | 12.01M | 11.34M | 5.89% | 10.82 | 10.64% | 7.5% |
| Mar 09, 2021 | 11.34M | 11.28M | 0.56% | 12.23 | 10.14% | 7.12% |
| Feb 24, 2021 | 11.28M | 11.96M | -5.65% | 7.92 | 10.08% | 7.08% |
| Feb 09, 2021 | 11.96M | 12.36M | -3.28% | 9.34 | 10.68% | 7.51% |
| Jan 27, 2021 | 12.36M | 11.51M | 7.39% | 9.39 | 11.05% | 7.77% |