$124.99
-3.70-2.88%
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$124.36
-0.63-0.50%
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Biogen Stock Short Interest Report | NASDAQ:BIIB | Benzinga
Short interest in Biogen Inc (NASDAQ:BIIB) increased during the last reporting period, rising from 3.39M to 4.00M. This put 3.53% of the company's publicly available shares short.
Short interest in Biogen Corp (XNAS:BIIB) decreased during the last reporting period, falling from 280.30M to 275.20M. This put 1.17% of the company's publicly available shares short.
Based on the recent average volume of 1.30M shares traded per day, it would take 3.07 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.
Short Interest
4.00M
Short Interest %
3.53%
Days to Cover
3.07
Get Alert | |||||||||
|---|---|---|---|---|---|---|---|---|---|
BIIB | Biogen Inc. Common Stock | 06/30/2025 | 07/10/2025 | 3.53% | 113,408,257 | 4,000,596 | 1,304,129 | 3.07 | |
BIIB | Biogen Inc. Common Stock | 06/13/2025 | 06/25/2025 | 2.99% | 113,408,257 | 3,389,242 | 1,319,385 | 2.57 | |
BIIB | Biogen Inc. Common Stock | 05/30/2025 | 06/10/2025 | 3.35% | 113,408,257 | 3,795,285 | 1,780,738 | 2.13 | |
BIIB | Biogen Inc. Common Stock | 05/15/2025 | 05/27/2025 | 2.94% | 113,408,257 | 3,339,605 | 1,732,151 | 1.93 | |
BIIB | Biogen Inc. Common Stock | 04/30/2025 | 05/09/2025 | 2.81% | 113,408,257 | 3,184,274 | 1,469,396 | 2.17 | |
BIIB | Biogen Inc. Common Stock | 04/15/2025 | 04/25/2025 | 2.65% | 129,813,829 | 3,446,446 | 2,053,207 | 1.68 | |
BIIB | Biogen Inc. Common Stock | 03/31/2025 | 04/09/2025 | 2.58% | 129,813,829 | 3,343,887 | 1,602,989 | 2.09 | |
BIIB | Biogen Inc. Common Stock | 03/14/2025 | 03/25/2025 | 2.55% | 129,813,829 | 3,310,573 | 1,914,508 | 1.73 | |
BIIB | Biogen Inc. Common Stock | 02/28/2025 | 03/11/2025 | 2.87% | 129,813,829 | 3,719,971 | 1,620,071 | 2.3 | |
BIIB | Biogen Inc. Common Stock | 02/14/2025 | 02/26/2025 | 2.99% | 129,813,829 | 3,883,735 | 1,652,272 | 2.35 | |
BIIB | Biogen Inc. Common Stock | 01/31/2025 | 02/11/2025 | 2.90% | 129,158,232 | 3,741,109 | 1,286,729 | 2.91 | |
BIIB | Biogen Inc. Common Stock | 01/15/2025 | 01/27/2025 | 2.92% | 129,158,232 | 3,769,744 | 1,251,215 | 3.01 | |
BIIB | Biogen Inc. Common Stock | 12/31/2024 | 01/10/2025 | 2.85% | 129,158,232 | 3,676,606 | 1,668,315 | 2.2 | |
BIIB | Biogen Inc. Common Stock | 12/13/2024 | 12/24/2024 | 2.00% | 129,158,232 | 2,576,781 | 1,327,099 | 1.94 | |
BIIB | Biogen Inc. Common Stock | 11/29/2024 | 12/10/2024 | 2.11% | 129,158,232 | 2,722,956 | 1,546,388 | 1.76 | |
BIIB | Biogen Inc. Common Stock | 11/15/2024 | 11/26/2024 | 2.09% | 129,158,232 | 2,695,410 | 1,849,871 | 1.46 | |
BIIB | Biogen Inc. Common Stock | 10/31/2024 | 11/11/2024 | 2.42% | 129,158,232 | 3,120,565 | 1,240,246 | 2.52 | |
BIIB | Biogen Inc. Common Stock | 10/15/2024 | 10/24/2024 | 2.38% | 129,100,534 | 3,067,263 | 1,411,029 | 2.17 | |
BIIB | Biogen Inc. Common Stock | 09/30/2024 | 10/09/2024 | 2.21% | 129,100,534 | 2,849,021 | 1,273,973 | 2.24 | |
BIIB | Biogen Inc. Common Stock | 09/13/2024 | 09/24/2024 | 2.84% | 129,100,534 | 3,667,853 | 856,837 | 4.28 | |
BIIB | Biogen Inc. Common Stock | 08/30/2024 | 09/11/2024 | 2.59% | 129,100,534 | 3,337,604 | 691,064 | 4.83 | |
BIIB | Biogen Inc. Common Stock | 08/15/2024 | 08/26/2024 | 2.07% | 129,100,534 | 2,678,663 | 1,061,522 | 2.52 | |
BIIB | Biogen Inc. Common Stock | 07/31/2024 | 08/09/2024 | 2.12% | 129,100,534 | 2,734,637 | 1,156,972 | 2.36 | |
BIIB | Biogen Inc. Common Stock | 07/15/2024 | 07/24/2024 | 2.81% | 129,035,787 | 3,627,047 | 774,005 | 4.69 | |
BIIB | Biogen Inc. Common Stock | 06/28/2024 | 07/10/2024 | 2.13% | 129,035,787 | 2,742,123 | 1,245,561 | 2.2 | |
BIIB | Biogen Inc. Common Stock | 06/14/2024 | 06/26/2024 | 2.38% | 129,035,787 | 3,068,285 | 947,387 | 3.24 | |
BIIB | Biogen Inc. Common Stock | 05/31/2024 | 06/11/2024 | 2.34% | 129,035,787 | 3,017,787 | 973,189 | 3.1 | |
BIIB | Biogen Inc. Common Stock | 05/15/2024 | 05/24/2024 | 2.69% | 129,035,787 | 3,475,964 | 1,039,286 | 3.34 | |
BIIB | Biogen Inc. Common Stock | 04/30/2024 | 05/09/2024 | 2.44% | 129,035,787 | 3,147,944 | 1,596,300 | 1.97 | |
BIIB | Biogen Inc. Common Stock | 04/15/2024 | 04/24/2024 | 2.53% | 129,035,787 | 3,264,315 | 981,139 | 3.33 | |
BIIB | Biogen Inc. Common Stock | 03/28/2024 | 04/09/2024 | 2.76% | 128,799,690 | 3,552,970 | 1,244,559 | 2.85 | |
BIIB | Biogen Inc. Common Stock | 03/15/2024 | 03/26/2024 | 2.06% | 128,799,690 | 2,659,287 | 1,350,003 | 1.97 | |
BIIB | Biogen Inc. Common Stock | 02/29/2024 | 03/11/2024 | 2.17% | 128,799,690 | 2,795,826 | 1,235,331 | 2.26 | |
BIIB | Biogen Inc. Common Stock | 02/15/2024 | 02/27/2024 | 2.40% | 128,799,690 | 3,095,241 | 1,259,867 | 2.46 | |
BIIB | Biogen Inc. Common Stock | 01/31/2024 | 02/09/2024 | 2.38% | 128,337,004 | 3,055,686 | 949,016 | 3.22 | |
BIIB | Biogen Inc. Common Stock | 01/12/2024 | 01/24/2024 | 2.93% | 128,337,004 | 3,762,064 | 951,639 | 3.95 | |
BIIB | Biogen Inc. Common Stock | 12/29/2023 | 01/10/2024 | 3.05% | 128,337,004 | 3,909,008 | 881,734 | 4.43 | |
BIIB | Biogen Inc. Common Stock | 12/15/2023 | 12/27/2023 | 2.30% | 128,337,004 | 2,950,681 | 1,413,059 | 2.09 | |
BIIB | Biogen Inc. Common Stock | 11/30/2023 | 12/11/2023 | 2.21% | 128,337,004 | 2,832,152 | 908,774 | 3.12 | |
BIIB | Biogen Inc. Common Stock | 11/15/2023 | 11/27/2023 | 2.05% | 128,337,004 | 2,631,344 | 1,255,435 | 2.1 | |
BIIB | Biogen Inc. Common Stock | 10/31/2023 | 11/09/2023 | 2.10% | 128,337,004 | 2,692,752 | 1,070,487 | 2.52 | |
BIIB | Biogen Inc. Common Stock | 10/13/2023 | 10/24/2023 | 2.06% | 128,262,227 | 2,643,657 | 897,656 | 2.95 | |
BIIB | Biogen Inc. Common Stock | 09/29/2023 | 10/10/2023 | 2.23% | 128,262,227 | 2,859,563 | 788,217 | 3.63 | |
BIIB | Biogen Inc. Common Stock | 09/15/2023 | 09/26/2023 | 2.50% | 128,262,227 | 3,209,337 | 813,828 | 3.94 | |
BIIB | Biogen Inc. Common Stock | 08/31/2023 | 09/12/2023 | 2.44% | 128,262,227 | 3,135,595 | 620,067 | 5.06 | |
BIIB | Biogen Inc. Common Stock | 08/15/2023 | 08/24/2023 | 2.36% | 128,262,227 | 3,028,815 | 978,325 | 3.1 | |
BIIB | Biogen Inc. Common Stock | 07/31/2023 | 08/09/2023 | 2.67% | 128,262,227 | 3,420,901 | 1,669,763 | 2.05 | |
BIIB | Biogen Inc. Common Stock | 07/14/2023 | 07/25/2023 | 2.01% | 128,181,260 | 2,573,690 | 1,124,064 | 2.29 |
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