Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-10-31 | 147.99 | 154.54 | 147.28 | 154.54 | 154.54 | 4,153 |
| 2025-10-30 | 148.00 | 154.53 | 138.07 | 151.50 | 151.50 | 7,946 |
| 2025-10-29 | 148.77 | 149.91 | 147.60 | 148.16 | 148.16 | 6,587 |
| 2025-10-28 | 150.01 | 150.34 | 148.19 | 149.02 | 149.02 | 2,984 |
| 2025-10-27 | 148.76 | 150.12 | 148.09 | 149.73 | 149.73 | 1,710 |
| 2025-10-24 | 150.24 | 151.56 | 149.72 | 149.78 | 149.78 | 1,692 |
| 2025-10-23 | 150.37 | 150.38 | 147.47 | 148.83 | 148.83 | 3,122 |
| 2025-10-22 | 147.80 | 148.97 | 146.42 | 147.83 | 147.83 | 769 |
| 2025-10-21 | 147.37 | 147.73 | 144.39 | 146.47 | 146.47 | 1,664 |
| 2025-10-20 | 144.84 | 147.45 | 142.19 | 146.49 | 146.49 | 4,742 |
| 2025-10-17 | 140.50 | 144.20 | 140.50 | 143.10 | 143.10 | 1,910 |
| 2025-10-16 | 144.05 | 147.48 | 141.89 | 142.43 | 142.43 | 3,188 |
| 2025-10-15 | 145.90 | 145.90 | 142.28 | 143.88 | 143.88 | 617 |
| 2025-10-14 | 144.34 | 146.50 | 142.30 | 143.65 | 143.65 | 1,818 |
| 2025-10-13 | 148.30 | 148.30 | 145.03 | 146.00 | 146.00 | 1,317 |
| 2025-10-10 | 150.00 | 150.16 | 145.10 | 145.51 | 145.51 | 1,101 |
| 2025-10-09 | 152.57 | 152.57 | 148.49 | 149.08 | 149.08 | 2,172 |
| 2025-10-08 | 151.48 | 152.58 | 149.68 | 151.12 | 151.12 | 2,631 |
| 2025-10-07 | 154.21 | 154.61 | 152.06 | 154.16 | 154.16 | 1,437 |
| 2025-10-06 | 159.97 | 160.64 | 153.16 | 153.52 | 153.52 | 5,189 |
| 2025-10-03 | 154.80 | 160.07 | 154.78 | 160.00 | 160.00 | 4,411 |
| 2025-10-02 | 156.79 | 157.99 | 152.20 | 152.47 | 152.47 | 4,493 |
| 2025-10-01 | 139.72 | 151.60 | 139.72 | 149.62 | 149.62 | 20,471 |
| 2025-09-30 | 138.22 | 140.53 | 137.03 | 140.53 | 140.53 | 8,085 |
| 2025-09-29 | 137.49 | 137.85 | 135.65 | 137.85 | 137.85 | 1,554 |
| 2025-09-26 | 137.63 | 137.63 | 136.06 | 137.13 | 137.13 | 821 |
| 2025-09-25 | 138.59 | 140.29 | 136.56 | 136.56 | 136.56 | 2,234 |
| 2025-09-24 | 140.00 | 140.00 | 136.38 | 137.00 | 137.00 | 1,641 |
| 2025-09-23 | 140.00 | 141.30 | 139.40 | 139.56 | 139.56 | 939 |
| 2025-09-22 | 141.90 | 142.71 | 140.10 | 140.54 | 140.54 | 3,567 |
| 2025-09-19 | 143.96 | 144.36 | 141.64 | 142.72 | 142.72 | 1,028 |
| 2025-09-18 | 146.00 | 146.44 | 143.61 | 143.95 | 143.95 | 544 |
| 2025-09-17 | 144.00 | 146.12 | 143.45 | 146.12 | 146.12 | 2,116 |
| 2025-09-16 | 143.42 | 146.49 | 143.32 | 144.49 | 144.49 | 684 |
| 2025-09-15 | 146.00 | 146.00 | 141.25 | 142.41 | 142.41 | 1,966 |
| 2025-09-12 | 147.11 | 150.00 | 145.51 | 145.73 | 145.73 | 3,860 |
| 2025-09-11 | 144.49 | 146.50 | 142.84 | 145.99 | 145.99 | 3,168 |
| 2025-09-10 | 143.45 | 144.20 | 139.57 | 141.96 | 141.96 | 993 |
| 2025-09-09 | 141.96 | 143.07 | 140.78 | 142.19 | 142.19 | 273 |
| 2025-09-08 | 139.83 | 142.98 | 137.51 | 138.37 | 138.37 | 2,076 |
| 2025-09-05 | 140.13 | 144.21 | 140.13 | 142.88 | 142.88 | 3,215 |
| 2025-09-04 | 142.34 | 142.45 | 137.16 | 138.34 | 138.34 | 1,436 |
| 2025-09-03 | 139.71 | 145.20 | 139.56 | 141.73 | 141.73 | 9,185 |
| 2025-09-02 | 135.11 | 139.52 | 133.53 | 138.00 | 138.00 | 7,561 |
| 2025-08-29 | 133.00 | 133.49 | 131.96 | 131.96 | 131.96 | 189 |
| 2025-08-28 | 136.36 | 136.40 | 132.07 | 132.45 | 132.45 | 4,526 |
| 2025-08-27 | 136.53 | 138.33 | 136.00 | 136.72 | 136.72 | 944 |
| 2025-08-26 | 135.85 | 137.21 | 135.22 | 136.53 | 136.53 | 600 |
| 2025-08-25 | 142.62 | 142.62 | 136.88 | 137.28 | 137.28 | 3,783 |
| 2025-08-22 | 140.35 | 142.10 | 138.97 | 139.00 | 139.00 | 3,483 |
| 2025-08-21 | 138.26 | 140.27 | 137.59 | 139.21 | 139.21 | 2,950 |
| 2025-08-20 | 140.00 | 140.13 | 137.20 | 138.56 | 138.56 | 1,682 |
| 2025-08-19 | 137.00 | 139.47 | 136.26 | 138.12 | 138.12 | 3,915 |
| 2025-08-18 | 139.62 | 141.27 | 137.20 | 137.44 | 137.44 | 2,515 |
| 2025-08-15 | 136.30 | 137.67 | 135.84 | 137.63 | 137.63 | 650 |
| 2025-08-14 | 134.51 | 135.23 | 132.43 | 135.23 | 135.23 | 1,455 |
| 2025-08-13 | 130.13 | 135.12 | 129.38 | 133.66 | 133.66 | 3,604 |
| 2025-08-12 | 128.99 | 130.74 | 128.12 | 130.24 | 130.24 | 4,252 |
| 2025-08-11 | 135.00 | 138.99 | 128.53 | 130.69 | 130.69 | 958 |
| 2025-08-08 | 127.50 | 129.97 | 127.00 | 129.97 | 129.97 | 1,321 |
Stock splits
No stock splits on record.
Dividends
No dividends on record.
Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.