Biogen Inc.BIIBNASDAQ
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| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| 3/2/2026 | $190.22 | $190.75 | $186.72 | $188.05 | 691,069 |
| 2/27/2026 | $187.51 | $192.46 | $186.62 | $191.82 | 1.40M |
| 2/26/2026 | $190.30 | $190.74 | $185.90 | $188.02 | 988,117 |
| 2/25/2026 | $194.23 | $196.73 | $189.89 | $190.73 | 942,723 |
| 2/24/2026 | $196.03 | $198.72 | $194.43 | $195.13 | 716,382 |
| 2/23/2026 | $191.82 | $197.05 | $189.11 | $196.34 | 878,939 |
| 2/20/2026 | $190.78 | $192.60 | $189.95 | $192.03 | 799,225 |
| 2/19/2026 | $193.51 | $195.00 | $191.05 | $192.08 | 993,273 |
| 2/18/2026 | $195.32 | $195.68 | $193.11 | $194.13 | 1.05M |
| 2/17/2026 | $197.46 | $200.29 | $193.37 | $195.62 | 986,535 |
| 2/13/2026 | $196.27 | $199.50 | $195.52 | $196.52 | 1.35M |
| 2/12/2026 | $190.15 | $196.00 | $189.00 | $195.50 | 1.66M |
| 2/11/2026 | $188.35 | $192.00 | $187.20 | $191.20 | 996,929 |
| 2/10/2026 | $194.07 | $195.72 | $188.74 | $188.99 | 1.84M |
| 2/9/2026 | $199.83 | $201.00 | $191.88 | $193.81 | 2.10M |
| 2/6/2026 | $187.01 | $202.41 | $184.60 | $201.18 | 3.40M |
| 2/5/2026 | $184.87 | $187.73 | $184.54 | $185.36 | 2.54M |
| 2/4/2026 | $177.25 | $186.24 | $177.10 | $185.45 | 2.08M |
| 2/3/2026 | $177.79 | $182.67 | $176.19 | $176.76 | 1.59M |
| 2/2/2026 | $179.30 | $180.76 | $177.58 | $179.09 | 1.29M |
| 1/30/2026 | $177.09 | $180.14 | $175.96 | $179.89 | 1.49M |
| 1/29/2026 | $174.88 | $177.20 | $173.51 | $176.18 | 1.15M |
| 1/28/2026 | $173.63 | $175.06 | $170.85 | $174.83 | 1.30M |
| 1/27/2026 | $173.02 | $176.14 | $172.23 | $174.12 | 748,100 |
| 1/26/2026 | $171.67 | $174.31 | $170.59 | $173.12 | 1.05M |
| 1/23/2026 | $173.17 | $173.90 | $170.04 | $171.59 | 1.25M |
| 1/22/2026 | $171.78 | $175.29 | $171.65 | $173.80 | 996,425 |
| 1/21/2026 | $165.31 | $172.87 | $165.31 | $172.62 | 1.45M |
| 1/20/2026 | $161.51 | $165.61 | $160.36 | $165.38 | 1.88M |
| 1/16/2026 | $168.87 | $169.34 | $163.74 | $164.42 | 1.82M |
| 1/15/2026 | $169.03 | $169.79 | $166.79 | $168.57 | 1.56M |
| 1/14/2026 | $177.73 | $178.41 | $165.58 | $169.31 | 3.64M |
| 1/13/2026 | $185.42 | $186.32 | $177.05 | $178.30 | 1.60M |
| 1/12/2026 | $188.00 | $188.00 | $182.73 | $185.63 | 1.28M |
| 1/9/2026 | $186.74 | $190.20 | $186.49 | $187.62 | 1.42M |
| 1/8/2026 | $187.02 | $187.77 | $183.50 | $186.00 | 1.62M |
| 1/7/2026 | $181.70 | $187.06 | $181.70 | $186.91 | 2.12M |
| 1/6/2026 | $174.94 | $182.97 | $174.30 | $182.61 | 2.12M |
| 1/5/2026 | $175.73 | $180.56 | $171.61 | $174.63 | 1.66M |
| 1/2/2026 | $175.37 | $178.24 | $174.28 | $177.82 | 1.10M |
| 12/31/2025 | $175.76 | $177.19 | $175.02 | $175.99 | 890,441 |
| 12/30/2025 | $176.30 | $176.99 | $175.72 | $176.40 | 609,867 |
| 12/29/2025 | $177.00 | $178.46 | $176.31 | $176.83 | 928,193 |
| 12/26/2025 | $175.30 | $177.19 | $175.00 | $177.08 | 687,403 |
| 12/24/2025 | $175.73 | $177.18 | $175.37 | $176.33 | 434,748 |
| 12/23/2025 | $174.26 | $175.58 | $173.08 | $174.82 | 1.28M |
| 12/22/2025 | $174.78 | $177.29 | $172.90 | $174.70 | 1.91M |
| 12/19/2025 | $171.32 | $176.42 | $170.00 | $174.80 | 14.99M |
| 12/18/2025 | $171.59 | $173.00 | $168.56 | $169.91 | 2.76M |
| 12/17/2025 | $171.43 | $173.83 | $169.55 | $172.10 | 2.78M |
| 12/16/2025 | $174.51 | $174.51 | $169.52 | $171.50 | 2.41M |
| 12/15/2025 | $173.67 | $175.94 | $170.45 | $175.74 | 2.29M |
| 12/12/2025 | $173.49 | $175.08 | $171.27 | $174.10 | 1.78M |
| 12/11/2025 | $177.47 | $180.79 | $172.00 | $172.50 | 2.72M |
| 12/10/2025 | $173.30 | $178.17 | $169.24 | $177.55 | 2.15M |
| 12/9/2025 | $179.91 | $181.99 | $175.39 | $175.84 | 1.51M |
| 12/8/2025 | $181.30 | $182.12 | $179.21 | $180.44 | 1.47M |
| 12/5/2025 | $181.96 | $183.15 | $181.10 | $181.30 | 1.21M |
| 12/4/2025 | $181.86 | $182.69 | $179.27 | $181.98 | 1.25M |
| 12/3/2025 | $180.17 | $182.94 | $178.05 | $180.75 | 1.85M |