Atara Biotherapeutics Inc... (ATRA)
6.17
0.33 (5.65%)
At close: Apr 17, 2025, 3:59 PM
5.94
-3.66%
Pre-market: Apr 21, 2025, 04:01 AM EDT
Atara Biotherapeutics Short Interest
Atara Biotherapeutics has a total short interest of 666.78K. Its short interest has decreased by -7.81% to the previous Month.
Short Interest
666.78K
Short Prior Month
723.26K
% Change MoM
-7.81%
Short % Floating
11.52%
Short % Outstanding
11.38%
Days to Cover
13.54
Short Interest Chart
Short Interest History
| Date | Short Interest | Short Prior Month | % Change | Days to Cover | Short % Float | Short % Out |
|---|---|---|---|---|---|---|
| Apr 09, 2025 | 666.78K | 723.26K | -7.81% | 13.54 | 11.52% | 11.38% |
| Mar 25, 2025 | 723.26K | 715.08K | 1.14% | 12.23 | 12.5% | 12.34% |
| Mar 11, 2025 | 715.08K | 674.63K | 6% | 8.78 | 12.36% | 12.21% |
| Feb 26, 2025 | 674.63K | 706.47K | -4.51% | 5.58 | 11.86% | 11.71% |
| Feb 11, 2025 | 706.47K | 547.76K | 28.97% | 1.15 | 12.42% | 12.27% |
| Jan 27, 2025 | 547.76K | 533.62K | 2.65% | 2.34 | 9.63% | 9.51% |
| Jan 10, 2025 | 533.62K | 551.47K | -3.24% | 5.62 | 9.38% | 9.26% |
| Dec 24, 2024 | 551.47K | 543.95K | 1.38% | 6.85 | 9.69% | 9.57% |
| Dec 10, 2024 | 543.95K | 519.53K | 4.7% | 6.81 | 9.56% | 9.44% |
| Nov 26, 2024 | 519.53K | 636.28K | -18.35% | 2.93 | 9.13% | 9.02% |
| Nov 11, 2024 | 636.28K | 639.15K | -0.45% | 6.33 | 11.36% | 11.21% |
| Oct 24, 2024 | 639.15K | 526.38K | 21.42% | 8.25 | 11.41% | 11.26% |
| Oct 09, 2024 | 526.38K | 462.96K | 13.7% | 5.36 | 9.4% | 9.28% |
| Sep 24, 2024 | 462.96K | 410.45K | 12.79% | 1.18 | 8.26% | 8.16% |
| Sep 11, 2024 | 410.45K | 378.45K | 8.46% | 6.84 | 7.33% | 7.23% |
| Aug 26, 2024 | 378.45K | 360.53K | 4.97% | 6.45 | 7.81% | 7.7% |
| Aug 09, 2024 | 360.53K | 539.99K | -33.23% | 7.32 | 7.46% | 7.35% |
| Jul 24, 2024 | 539.99K | 575.29K | -6.14% | 6.51 | 11.17% | 11.01% |
| Jul 10, 2024 | 575.29K | 10.78M | -94.66% | 2.54 | 11.9% | 11.73% |
| Jun 26, 2024 | 10.78M | 11.27M | -4.39% | 10.96 | n/a | 219.73% |
| Jun 11, 2024 | 11.27M | 11.62M | -2.97% | 9.44 | 9.5% | 9.36% |
| May 24, 2024 | 11.62M | 11.88M | -2.22% | 7.62 | 9.79% | 9.65% |
| May 09, 2024 | 11.88M | 11.45M | 3.78% | 13.71 | 10.01% | 9.86% |
| Apr 24, 2024 | 11.45M | 11.23M | 1.95% | 10.1 | 9.65% | 9.51% |
| Apr 09, 2024 | 11.23M | 11.03M | 1.81% | 8.6 | 9.61% | 9.41% |
| Mar 26, 2024 | 11.03M | 10.14M | 8.71% | 3.6 | 11.09% | 10.82% |
| Mar 11, 2024 | 10.14M | 10.87M | -6.7% | 5.16 | 10.2% | 9.95% |
| Feb 27, 2024 | 10.87M | 7.53M | 44.41% | 1.52 | 10.94% | 10.67% |
| Feb 09, 2024 | 7.53M | 7.33M | 2.71% | 4.2 | 7.57% | 7.39% |
| Jan 24, 2024 | 7.33M | 9.19M | -20.2% | 2.41 | 7.37% | 7.19% |
| Jan 10, 2024 | 9.19M | 10.13M | -9.3% | 1.85 | 9.24% | 9.01% |
| Dec 27, 2023 | 10.13M | 11.11M | -8.88% | 4.24 | 10.19% | 9.94% |
| Dec 11, 2023 | 11.11M | 8.16M | 36.16% | 1.54 | 11.18% | 10.9% |
| Nov 27, 2023 | 8.16M | 12.49M | -34.63% | 1 | 8.21% | 8.01% |
| Nov 09, 2023 | 12.49M | 12.27M | 1.76% | 12.3 | 12.56% | 12.25% |
| Oct 24, 2023 | 12.27M | 11.54M | 6.33% | 9.24 | 12.45% | 12.14% |
| Oct 10, 2023 | 11.54M | 11.67M | -1.08% | 8.65 | 11.7% | 11.41% |
| Sep 26, 2023 | 11.67M | 11.53M | 1.21% | 17.39 | 11.83% | 11.54% |
| Sep 12, 2023 | 11.53M | 12.19M | -5.45% | 8.98 | 11.69% | 11.4% |
| Aug 24, 2023 | 12.19M | 12.95M | -5.86% | 9.52 | 12.37% | 12.06% |
| Aug 09, 2023 | 12.95M | 12.62M | 2.62% | 12.41 | 13.14% | 12.81% |
| Jul 25, 2023 | 12.62M | 11.7M | 7.86% | 9.39 | 13.22% | 12.88% |
| Jul 12, 2023 | 11.7M | 13.2M | -11.39% | 4.03 | 12.26% | 11.94% |
| Jun 27, 2023 | 13.2M | 12.62M | 4.64% | 5.74 | 13.83% | 13.48% |
| Jun 09, 2023 | 12.62M | 14.18M | -11% | 6.43 | 13.22% | 12.88% |
| May 24, 2023 | 14.18M | 17.79M | -20.32% | 7.81 | 14.85% | 14.47% |
| May 09, 2023 | 17.79M | 19.21M | -7.38% | 14 | 18.64% | 18.16% |
| Apr 25, 2023 | 19.21M | 19.96M | -3.75% | 16.28 | 20.41% | 19.88% |
| Apr 12, 2023 | 19.96M | 16.7M | 19.53% | 13.32 | 21.21% | 20.66% |
| Mar 24, 2023 | 16.7M | 14.07M | 18.71% | 11.5 | 17.84% | 17.38% |
| Mar 09, 2023 | 14.07M | 14.01M | 0.45% | 19.79 | 15.03% | 14.64% |
| Feb 27, 2023 | 14.01M | 14.19M | -1.28% | 14.44 | 14.96% | 14.57% |
| Feb 09, 2023 | 14.19M | 13.63M | 4.1% | 13.58 | 15.16% | 14.79% |
| Jan 25, 2023 | 13.63M | 13.01M | 4.74% | 11.92 | 14.57% | 14.21% |
| Jan 11, 2023 | 13.01M | 12.39M | 5.04% | 5.97 | 13.91% | 13.56% |
| Dec 27, 2022 | 12.39M | 12.24M | 1.16% | 8.94 | 13.39% | 13.06% |
| Dec 09, 2022 | 12.24M | 12.05M | 1.58% | 11.95 | 13.24% | 12.91% |
| Nov 25, 2022 | 12.05M | 11.92M | 1.12% | 7.58 | 13.03% | 12.7% |
| Nov 09, 2022 | 11.92M | 11.9M | 0.16% | 9.66 | 12.89% | 12.56% |
| Oct 25, 2022 | 11.9M | 12.32M | -3.38% | 9.71 | 12.87% | 12.54% |
| Oct 11, 2022 | 12.32M | 12.35M | -0.22% | 5.93 | 13.32% | 12.98% |
| Sep 26, 2022 | 12.35M | 11.21M | 10.1% | 6.79 | 13.42% | 13.08% |
| Sep 12, 2022 | 11.21M | 11.28M | -0.6% | 6.88 | 12.19% | 11.88% |
| Aug 24, 2022 | 11.28M | 10.54M | 7.06% | 2.83 | 12.26% | 11.95% |
| Aug 09, 2022 | 10.54M | 8.04M | 31% | 3.17 | 11.45% | 11.17% |
| Jul 26, 2022 | 8.04M | 10.7M | -24.85% | 2.43 | 8.74% | 8.52% |
| Jul 12, 2022 | 10.7M | 11.27M | -5.07% | 6.65 | 11.63% | 11.34% |
| Jun 27, 2022 | 11.27M | 11.73M | -3.89% | 10.71 | 12.38% | 12.07% |
| Jun 09, 2022 | 11.73M | 11.02M | 6.43% | 9.96 | 12.88% | 12.56% |
| May 24, 2022 | 11.02M | 11.79M | -6.57% | 9.05 | 12.11% | 11.8% |
| May 10, 2022 | 11.79M | 11.12M | 6.09% | 14.3 | 12.96% | 12.63% |
| Apr 26, 2022 | 11.12M | 9.73M | 14.32% | 11.06 | 12.21% | 11.9% |
| Apr 11, 2022 | 9.73M | 8.74M | 11.32% | 8.92 | 10.68% | 10.41% |
| Mar 24, 2022 | 8.74M | 7.25M | 20.48% | 6.47 | 10.68% | 9.38% |
| Mar 09, 2022 | 7.25M | 7.07M | 2.6% | 8.93 | 8.87% | 7.79% |
| Feb 25, 2022 | 7.07M | 6.97M | 1.42% | 10.46 | 8.64% | 7.59% |
| Feb 09, 2022 | 6.97M | 5.94M | 17.25% | 6.85 | 8.67% | 7.6% |
| Jan 26, 2022 | 5.94M | 9.42M | -36.93% | 6.46 | 7.4% | 6.48% |
| Jan 11, 2022 | 9.42M | 9.11M | 3.5% | 10.24 | 11.73% | 10.28% |
| Dec 27, 2021 | 9.11M | 8.69M | 4.73% | 12.07 | 11.58% | 10.13% |
| Dec 09, 2021 | 8.69M | 8.99M | -3.25% | 11.97 | 11.06% | 9.67% |
| Nov 24, 2021 | 8.99M | 10.83M | -17.06% | 9.94 | 11.65% | 10.16% |
| Nov 09, 2021 | 10.83M | 10.97M | -1.25% | 17.5 | 14.05% | 12.25% |
| Oct 26, 2021 | 10.97M | 11.72M | -6.37% | 11.32 | 14.23% | 12.41% |
| Oct 11, 2021 | 11.72M | 12.48M | -6.1% | 13.16 | 15.2% | 13.26% |
| Sep 24, 2021 | 12.48M | 12.22M | 2.12% | 19.71 | 16.99% | 14.72% |
| Sep 10, 2021 | 12.22M | 12.78M | -4.39% | 13.94 | 16.64% | 14.42% |
| Aug 24, 2021 | 12.78M | 13.06M | -2.13% | 23.3 | 17.4% | 15.08% |
| Aug 10, 2021 | 13.06M | 12.09M | 8.06% | 22.97 | 17.78% | 15.41% |
| Jul 26, 2021 | 12.09M | 11.66M | 3.67% | 16.48 | 16.45% | 14.26% |
| Jul 12, 2021 | 11.66M | 12.63M | -7.73% | 10.82 | 15.87% | 13.75% |
| Jun 24, 2021 | 12.63M | 12.69M | -0.47% | 15.82 | 17.36% | 15.03% |
| Jun 09, 2021 | 12.69M | 12.78M | -0.69% | 18.46 | 17.44% | 15.1% |
| May 25, 2021 | 12.78M | 12.14M | 5.25% | 14.77 | 17.56% | 15.2% |
| May 11, 2021 | 12.14M | 12.5M | -2.84% | 10 | 16.69% | 14.44% |
| Apr 26, 2021 | 12.5M | 13.12M | -4.7% | 19.89 | 17.18% | 14.87% |
| Apr 12, 2021 | 13.12M | 11.71M | 12% | 14.43 | 18.02% | 15.6% |
| Mar 24, 2021 | 11.71M | 11.1M | 5.46% | 13.71 | 15.99% | 14.01% |
| Mar 09, 2021 | 11.1M | 11.74M | -5.4% | 18.78 | 15.16% | 13.28% |
| Feb 24, 2021 | 11.74M | 11.82M | -0.73% | 17.94 | 16.03% | 14.04% |
| Feb 09, 2021 | 11.82M | 11.26M | 4.96% | 12.68 | 16.2% | 14.18% |
| Jan 27, 2021 | 11.26M | 11.99M | -6.07% | 14.38 | 15.43% | 13.51% |