Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-05-12 | 119.63 | 124.82 | 119.46 | 124.40 | 124.40 | 2,554,500 |
| 2025-05-09 | 118.75 | 120.11 | 118.05 | 118.17 | 118.17 | 1,307,000 |
| 2025-05-08 | 115.85 | 119.87 | 115.25 | 118.39 | 118.39 | 1,871,800 |
| 2025-05-07 | 117.73 | 118.00 | 116.22 | 117.21 | 117.21 | 1,684,100 |
| 2025-05-06 | 121.53 | 121.81 | 115.86 | 116.82 | 116.82 | 1,736,100 |
| 2025-05-05 | 123.33 | 123.53 | 121.51 | 121.80 | 121.80 | 1,099,100 |
| 2025-05-02 | 122.41 | 123.72 | 120.91 | 123.53 | 123.53 | 1,460,000 |
| 2025-05-01 | 120.37 | 125.34 | 118.15 | 120.93 | 120.93 | 2,377,200 |
| 2025-04-30 | 120.19 | 121.41 | 118.75 | 121.08 | 121.08 | 1,528,300 |
| 2025-04-29 | 117.96 | 121.17 | 116.63 | 120.17 | 120.17 | 1,003,200 |
| 2025-04-28 | 118.13 | 120.09 | 117.68 | 119.12 | 119.12 | 1,345,600 |
| 2025-04-25 | 119.13 | 119.62 | 117.14 | 118.84 | 118.84 | 1,538,300 |
| 2025-04-24 | 119.46 | 120.05 | 117.58 | 119.51 | 119.51 | 1,600,200 |
| 2025-04-23 | 120.19 | 121.75 | 117.21 | 118.17 | 118.17 | 2,427,300 |
| 2025-04-22 | 118.12 | 119.72 | 117.40 | 118.89 | 118.89 | 1,076,700 |
| 2025-04-21 | 117.97 | 118.61 | 115.45 | 116.49 | 116.49 | 1,756,800 |
| 2025-04-17 | 115.02 | 118.77 | 114.66 | 118.61 | 118.61 | 1,206,300 |
| 2025-04-16 | 117.00 | 118.00 | 114.96 | 115.29 | 115.29 | 1,341,100 |
| 2025-04-15 | 118.81 | 119.93 | 116.61 | 116.98 | 116.98 | 1,030,700 |
| 2025-04-14 | 116.51 | 119.99 | 115.38 | 119.26 | 119.26 | 1,687,600 |
| 2025-04-11 | 114.32 | 116.39 | 112.18 | 115.17 | 115.17 | 1,618,700 |
| 2025-04-10 | 117.45 | 118.83 | 110.24 | 113.38 | 113.38 | 2,420,900 |
| 2025-04-09 | 110.31 | 121.08 | 110.04 | 120.49 | 120.49 | 3,321,400 |
| 2025-04-08 | 119.77 | 120.79 | 112.88 | 114.05 | 114.05 | 2,091,100 |
| 2025-04-07 | 121.81 | 123.77 | 117.40 | 119.19 | 119.19 | 2,520,100 |
| 2025-04-04 | 129.22 | 129.95 | 122.77 | 122.98 | 122.98 | 3,090,700 |
| 2025-04-03 | 132.37 | 133.77 | 130.05 | 130.71 | 130.71 | 1,755,600 |
| 2025-04-02 | 132.58 | 134.00 | 128.75 | 131.32 | 131.32 | 1,944,900 |
| 2025-04-01 | 136.80 | 137.32 | 131.63 | 132.03 | 132.03 | 1,352,400 |
| 2025-03-31 | 137.90 | 138.00 | 134.71 | 136.84 | 136.84 | 1,865,400 |
| 2025-03-28 | 140.60 | 141.25 | 138.20 | 138.37 | 138.37 | 1,094,000 |
| 2025-03-27 | 142.77 | 144.07 | 139.69 | 140.33 | 140.33 | 1,383,500 |
| 2025-03-26 | 139.34 | 142.96 | 139.16 | 142.43 | 142.43 | 1,514,600 |
| 2025-03-25 | 142.21 | 142.49 | 138.65 | 139.16 | 139.16 | 1,766,200 |
| 2025-03-24 | 141.47 | 144.15 | 140.63 | 141.60 | 141.60 | 1,830,500 |
| 2025-03-21 | 141.24 | 142.18 | 139.87 | 140.90 | 140.90 | 3,437,600 |
| 2025-03-20 | 141.14 | 142.95 | 140.91 | 141.38 | 141.38 | 971,800 |
| 2025-03-19 | 143.09 | 144.25 | 140.73 | 141.43 | 141.43 | 1,180,400 |
| 2025-03-18 | 143.17 | 145.97 | 142.90 | 143.09 | 143.09 | 1,506,900 |
| 2025-03-17 | 140.05 | 143.85 | 139.16 | 143.54 | 143.54 | 1,249,000 |
| 2025-03-14 | 139.66 | 140.80 | 138.63 | 139.44 | 139.44 | 1,436,800 |
| 2025-03-13 | 140.36 | 143.50 | 139.05 | 139.98 | 139.98 | 1,300,900 |
| 2025-03-12 | 142.01 | 143.13 | 140.02 | 140.19 | 140.19 | 2,438,000 |
| 2025-03-11 | 151.13 | 151.89 | 142.02 | 143.66 | 143.66 | 1,857,200 |
| 2025-03-10 | 150.29 | 157.09 | 150.14 | 150.71 | 150.71 | 2,651,100 |
| 2025-03-07 | 147.42 | 154.29 | 146.63 | 150.38 | 150.38 | 2,925,500 |
| 2025-03-06 | 143.65 | 147.65 | 142.23 | 147.37 | 147.37 | 1,145,200 |
| 2025-03-05 | 142.85 | 144.74 | 141.93 | 143.77 | 143.77 | 1,185,000 |
| 2025-03-04 | 143.41 | 148.00 | 141.52 | 142.65 | 142.65 | 2,790,700 |
| 2025-03-03 | 140.41 | 142.56 | 140.07 | 141.71 | 141.71 | 1,617,100 |
| 2025-02-28 | 141.06 | 141.90 | 138.38 | 140.50 | 140.50 | 2,324,300 |
| 2025-02-27 | 140.06 | 142.96 | 139.59 | 139.88 | 139.88 | 1,215,900 |
| 2025-02-26 | 143.09 | 143.09 | 139.04 | 140.49 | 140.49 | 1,310,200 |
| 2025-02-25 | 140.00 | 145.69 | 139.94 | 143.46 | 143.46 | 1,580,300 |
| 2025-02-24 | 141.28 | 144.17 | 139.35 | 141.27 | 141.27 | 1,565,400 |
| 2025-02-21 | 138.00 | 141.50 | 137.56 | 140.64 | 140.64 | 1,814,000 |
| 2025-02-20 | 137.19 | 138.94 | 136.52 | 137.08 | 137.08 | 2,056,500 |
| 2025-02-19 | 135.95 | 137.79 | 135.02 | 136.68 | 136.68 | 1,548,400 |
| 2025-02-18 | 138.14 | 139.16 | 135.94 | 136.57 | 136.57 | 1,327,600 |
| 2025-02-14 | 140.14 | 141.69 | 136.05 | 137.33 | 137.33 | 1,692,200 |
Stock splits
| Date | Split (new : old) |
|---|---|
| 2001-01-18 | 3:1 |
| 1999-12-21 | 2:1 |
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.