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Biogen
BIIBNASDAQ
Biogen (NASDAQ:BIIB) Stock, Short Interest Report
Short interest for Biogen gives investors a sense of the degree to which investors are betting on the decline of Biogen's stock. Short interest data is updated every two weeks.
Short Interest
3.1M
Short Interest %
2.38%
Days to Cover
3.24
| Get Alert | ||||||||
|---|---|---|---|---|---|---|---|---|
| BIIB | Biogen Inc. Common Stock | 06/26/2024 | 2.38% | 129,035,787 | 3,068,285 | 947,387 | 3.24 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 06/11/2024 | 2.34% | 129,035,787 | 3,017,787 | 973,189 | 3.1 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 05/24/2024 | 2.69% | 129,035,787 | 3,475,964 | 1,039,286 | 3.34 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 05/09/2024 | 2.44% | 129,035,787 | 3,147,944 | 1,596,300 | 1.97 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 04/24/2024 | 2.53% | 129,035,787 | 3,264,315 | 981,139 | 3.33 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 04/09/2024 | 2.76% | 128,799,690 | 3,552,970 | 1,244,559 | 2.85 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 03/26/2024 | 2.06% | 128,799,690 | 2,659,287 | 1,350,003 | 1.97 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 03/11/2024 | 2.17% | 128,799,690 | 2,795,826 | 1,235,331 | 2.26 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 02/27/2024 | 2.40% | 128,799,690 | 3,095,241 | 1,259,867 | 2.46 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 02/09/2024 | 2.38% | 128,337,004 | 3,055,686 | 949,016 | 3.22 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 01/24/2024 | 2.93% | 128,337,004 | 3,762,064 | 951,639 | 3.95 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 01/10/2024 | 3.05% | 128,337,004 | 3,909,008 | 881,734 | 4.43 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 12/27/2023 | 2.30% | 128,337,004 | 2,950,681 | 1,413,059 | 2.09 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 12/11/2023 | 2.21% | 128,337,004 | 2,832,152 | 908,774 | 3.12 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 11/27/2023 | 2.05% | 128,337,004 | 2,631,344 | 1,255,435 | 2.1 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 11/09/2023 | 2.10% | 128,337,004 | 2,692,752 | 1,070,487 | 2.52 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 10/24/2023 | 2.06% | 128,262,227 | 2,643,657 | 897,656 | 2.95 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 10/10/2023 | 2.23% | 128,262,227 | 2,859,563 | 788,217 | 3.63 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 09/26/2023 | 2.50% | 128,262,227 | 3,209,337 | 813,828 | 3.94 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 09/12/2023 | 2.44% | 128,262,227 | 3,135,595 | 620,067 | 5.06 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 08/24/2023 | 2.36% | 128,262,227 | 3,028,815 | 978,325 | 3.1 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 08/09/2023 | 2.67% | 128,262,227 | 3,420,901 | 1,669,763 | 2.05 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 07/25/2023 | 2.01% | 128,181,260 | 2,573,690 | 1,124,064 | 2.29 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 07/12/2023 | 1.62% | 128,181,260 | 2,073,086 | 1,021,050 | 2.03 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 06/27/2023 | 1.74% | 128,181,260 | 2,233,555 | 1,181,705 | 1.89 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 06/09/2023 | 1.97% | 128,181,260 | 2,529,790 | 803,219 | 3.15 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 05/24/2023 | 2.31% | 128,181,260 | 2,962,015 | 1,116,977 | 2.65 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 05/09/2023 | 1.77% | 128,181,260 | 2,266,118 | 1,117,114 | 2.03 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 04/25/2023 | 1.56% | 128,054,558 | 2,001,534 | 662,352 | 3.02 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 04/12/2023 | 1.60% | 128,112,253 | 2,049,094 | 840,315 | 2.44 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 03/24/2023 | 1.55% | 127,797,899 | 1,977,633 | 878,490 | 2.25 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 03/09/2023 | 1.45% | 127,797,899 | 1,848,290 | 955,500 | 1.93 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 02/27/2023 | 1.34% | 127,797,899 | 1,707,680 | 877,160 | 1.95 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 02/09/2023 | 1.47% | 127,312,253 | 1,865,143 | 926,886 | 2.01 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 01/25/2023 | 1.48% | 127,312,253 | 1,890,544 | 1,511,363 | 1.25 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 01/11/2023 | 1.34% | 127,312,253 | 1,708,733 | 941,598 | 1.81 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 12/27/2022 | 1.65% | 127,313,657 | 2,097,421 | 1,249,459 | 1.68 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 12/09/2022 | 1.96% | 127,313,657 | 2,491,569 | 1,306,787 | 1.91 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 11/25/2022 | 1.91% | 127,313,657 | 2,425,844 | 1,303,038 | 1.86 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 11/09/2022 | 1.94% | 127,313,657 | 2,474,923 | 1,538,135 | 1.61 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 10/25/2022 | 1.96% | 127,313,657 | 2,498,811 | 1,780,633 | 1.4 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 10/11/2022 | 2.13% | 127,312,253 | 2,713,910 | 3,149,141 | 1 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 09/26/2022 | 1.62% | 128,425,300 | 2,074,132 | 908,090 | 2.28 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 09/12/2022 | 1.47% | 128,425,300 | 1,888,020 | 675,155 | 2.8 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 08/24/2022 | 1.56% | 128,425,300 | 1,999,266 | 807,302 | 2.48 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 08/09/2022 | 1.51% | 128,425,300 | 1,937,677 | 1,053,012 | 1.84 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 07/26/2022 | 1.63% | 128,425,300 | 2,089,631 | 801,731 | 2.61 | Get Alert |
| BIIB | Biogen Inc. Common Stock | 07/12/2022 | 1.96% | 128,512,253 | 2,519,352 | 1,408,926 | 1.79 | Get Alert |
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