Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2021-01-26 | 274.50 | 275.75 | 268.29 | 271.67 | 271.67 | 777,200 |
| 2021-01-25 | 271.79 | 277.02 | 271.00 | 275.54 | 275.54 | 806,800 |
| 2021-01-22 | 270.34 | 272.71 | 268.48 | 269.44 | 269.44 | 691,100 |
| 2021-01-21 | 270.25 | 270.68 | 267.77 | 270.12 | 270.12 | 806,500 |
| 2021-01-20 | 274.31 | 274.54 | 267.67 | 270.28 | 270.28 | 1,293,300 |
| 2021-01-19 | 276.75 | 282.43 | 272.57 | 273.84 | 273.84 | 1,213,900 |
| 2021-01-15 | 280.00 | 282.60 | 275.43 | 275.84 | 275.84 | 1,765,000 |
| 2021-01-14 | 269.49 | 280.49 | 268.00 | 280.29 | 280.29 | 1,520,400 |
| 2021-01-13 | 269.61 | 269.73 | 265.04 | 266.67 | 266.67 | 943,300 |
| 2021-01-12 | 268.78 | 268.78 | 263.33 | 267.39 | 267.39 | 1,097,200 |
| 2021-01-11 | 255.86 | 275.49 | 253.31 | 267.52 | 267.52 | 2,999,200 |
| 2021-01-08 | 249.88 | 252.64 | 248.80 | 252.54 | 252.54 | 988,700 |
| 2021-01-07 | 247.45 | 251.44 | 247.06 | 250.44 | 250.44 | 1,118,600 |
| 2021-01-06 | 244.70 | 248.04 | 243.02 | 247.75 | 247.75 | 1,279,100 |
| 2021-01-05 | 243.88 | 247.26 | 240.34 | 246.39 | 246.39 | 1,166,300 |
| 2021-01-04 | 245.74 | 246.40 | 238.40 | 242.95 | 242.95 | 1,563,400 |
| 2020-12-31 | 243.47 | 245.19 | 241.10 | 244.86 | 244.86 | 978,100 |
| 2020-12-30 | 244.50 | 245.06 | 242.36 | 243.58 | 243.58 | 750,000 |
| 2020-12-29 | 245.36 | 246.24 | 242.54 | 243.46 | 243.46 | 1,007,000 |
| 2020-12-28 | 248.48 | 249.11 | 243.03 | 244.15 | 244.15 | 1,234,200 |
| 2020-12-24 | 250.27 | 251.20 | 247.51 | 248.89 | 248.89 | 459,500 |
| 2020-12-23 | 247.00 | 253.41 | 247.00 | 251.20 | 251.20 | 972,300 |
| 2020-12-22 | 246.44 | 249.38 | 244.60 | 247.87 | 247.87 | 934,600 |
| 2020-12-21 | 246.75 | 249.00 | 242.59 | 248.32 | 248.32 | 1,279,800 |
| 2020-12-18 | 251.78 | 254.00 | 248.50 | 249.62 | 249.62 | 3,455,400 |
| 2020-12-17 | 247.16 | 251.61 | 245.67 | 250.24 | 250.24 | 1,279,000 |
| 2020-12-16 | 249.07 | 251.23 | 246.20 | 248.19 | 248.19 | 1,154,900 |
| 2020-12-15 | 246.49 | 249.78 | 244.04 | 248.73 | 248.73 | 1,231,500 |
| 2020-12-14 | 242.98 | 250.88 | 242.98 | 245.25 | 245.25 | 1,561,000 |
| 2020-12-11 | 242.64 | 245.99 | 240.35 | 241.43 | 241.43 | 1,140,300 |
| 2020-12-10 | 247.45 | 247.45 | 242.00 | 242.98 | 242.98 | 1,276,400 |
| 2020-12-09 | 248.00 | 249.45 | 242.84 | 244.75 | 244.75 | 1,364,600 |
| 2020-12-08 | 244.63 | 246.88 | 243.53 | 246.43 | 246.43 | 1,228,400 |
| 2020-12-07 | 246.30 | 248.05 | 243.17 | 243.68 | 243.68 | 1,082,000 |
| 2020-12-04 | 244.86 | 248.96 | 244.10 | 245.87 | 245.87 | 961,300 |
| 2020-12-03 | 248.38 | 249.21 | 243.20 | 244.09 | 244.09 | 897,100 |
| 2020-12-02 | 246.89 | 249.75 | 244.80 | 246.92 | 246.92 | 1,317,000 |
| 2020-12-01 | 241.23 | 244.37 | 240.51 | 243.16 | 243.16 | 1,164,200 |
| 2020-11-30 | 243.46 | 244.19 | 239.56 | 240.17 | 240.17 | 2,193,500 |
| 2020-11-27 | 242.00 | 244.33 | 241.00 | 243.78 | 243.78 | 699,200 |
| 2020-11-25 | 243.10 | 244.47 | 239.73 | 241.75 | 241.75 | 1,122,400 |
| 2020-11-24 | 243.34 | 244.86 | 240.07 | 242.51 | 242.51 | 1,605,800 |
| 2020-11-23 | 245.00 | 245.72 | 241.17 | 243.38 | 243.38 | 1,251,200 |
| 2020-11-20 | 243.87 | 246.48 | 243.00 | 244.15 | 244.15 | 1,334,800 |
| 2020-11-19 | 241.42 | 245.55 | 240.50 | 244.01 | 244.01 | 1,222,000 |
| 2020-11-18 | 248.81 | 251.51 | 240.77 | 240.98 | 240.98 | 1,829,100 |
| 2020-11-17 | 251.18 | 254.41 | 247.91 | 248.81 | 248.81 | 1,371,600 |
| 2020-11-16 | 250.29 | 254.27 | 247.06 | 250.96 | 250.96 | 1,607,200 |
| 2020-11-13 | 243.65 | 249.13 | 241.89 | 248.59 | 248.59 | 1,697,600 |
| 2020-11-12 | 244.71 | 246.74 | 240.71 | 241.55 | 241.55 | 1,586,800 |
| 2020-11-11 | 239.80 | 249.44 | 238.08 | 244.03 | 244.03 | 2,332,100 |
| 2020-11-10 | 241.24 | 244.84 | 234.56 | 236.34 | 236.34 | 3,224,100 |
| 2020-11-09 | 230.82 | 239.50 | 223.25 | 236.26 | 236.26 | 9,252,600 |
| 2020-11-06 | 328.90 | 328.90 | 328.90 | 328.90 | 328.90 | 600 |
| 2020-11-05 | 348.00 | 348.00 | 321.50 | 328.90 | 328.90 | 5,070,300 |
| 2020-11-04 | 253.20 | 363.92 | 251.75 | 355.63 | 355.63 | 14,591,500 |
| 2020-11-03 | 250.52 | 251.80 | 243.57 | 247.01 | 247.01 | 1,449,800 |
| 2020-11-02 | 253.64 | 255.80 | 248.26 | 248.99 | 248.99 | 1,469,500 |
| 2020-10-30 | 247.26 | 252.21 | 243.73 | 252.07 | 252.07 | 1,413,500 |
| 2020-10-29 | 244.97 | 247.94 | 243.25 | 245.48 | 245.48 | 1,223,300 |
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.