Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2016-01-28 | 275.77 | 276.97 | 261.70 | 265.96 | 265.96 | 3,056,500 |
| 2016-01-27 | 275.05 | 285.28 | 270.34 | 273.26 | 273.26 | 5,159,600 |
| 2016-01-26 | 262.76 | 264.48 | 257.78 | 259.87 | 259.87 | 2,108,200 |
| 2016-01-25 | 269.46 | 271.21 | 261.30 | 262.10 | 262.10 | 1,792,400 |
| 2016-01-22 | 266.36 | 269.48 | 264.62 | 268.92 | 268.92 | 2,111,800 |
| 2016-01-21 | 269.67 | 271.05 | 261.02 | 262.08 | 262.08 | 2,531,000 |
| 2016-01-20 | 263.25 | 272.78 | 257.66 | 269.35 | 269.35 | 2,368,300 |
| 2016-01-19 | 276.98 | 276.99 | 264.72 | 269.85 | 269.85 | 2,209,600 |
| 2016-01-15 | 271.01 | 279.89 | 269.25 | 273.33 | 273.33 | 2,579,900 |
| 2016-01-14 | 268.57 | 283.30 | 265.37 | 280.57 | 280.57 | 2,414,300 |
| 2016-01-13 | 279.42 | 281.99 | 267.00 | 267.25 | 267.25 | 2,108,400 |
| 2016-01-12 | 281.18 | 285.56 | 271.00 | 278.67 | 278.67 | 1,833,900 |
| 2016-01-11 | 280.59 | 283.95 | 271.66 | 278.54 | 278.54 | 2,109,600 |
| 2016-01-08 | 284.65 | 288.11 | 280.00 | 280.59 | 280.59 | 1,808,900 |
| 2016-01-07 | 286.52 | 289.99 | 283.03 | 284.01 | 284.01 | 1,844,900 |
| 2016-01-06 | 292.60 | 296.58 | 291.01 | 293.68 | 293.68 | 1,540,200 |
| 2016-01-05 | 295.38 | 298.64 | 293.56 | 296.70 | 296.70 | 1,263,900 |
| 2016-01-04 | 300.34 | 301.02 | 291.40 | 294.62 | 294.62 | 2,451,100 |
| 2015-12-31 | 306.10 | 309.33 | 306.10 | 306.35 | 306.35 | 1,063,800 |
| 2015-12-30 | 309.98 | 310.29 | 307.00 | 308.34 | 308.34 | 802,500 |
| 2015-12-29 | 304.99 | 311.65 | 304.77 | 309.67 | 309.67 | 1,223,300 |
| 2015-12-28 | 302.03 | 304.98 | 301.50 | 303.84 | 303.84 | 848,400 |
| 2015-12-24 | 300.29 | 303.87 | 299.50 | 302.29 | 302.29 | 537,100 |
| 2015-12-23 | 303.79 | 303.79 | 299.16 | 300.19 | 300.19 | 986,500 |
| 2015-12-22 | 298.00 | 301.84 | 296.35 | 300.77 | 300.77 | 1,215,800 |
| 2015-12-21 | 294.84 | 297.86 | 293.50 | 297.56 | 297.56 | 1,137,600 |
| 2015-12-18 | 294.80 | 299.82 | 293.05 | 293.37 | 293.37 | 2,790,200 |
| 2015-12-17 | 299.04 | 300.87 | 296.38 | 297.17 | 297.17 | 1,705,300 |
| 2015-12-16 | 292.23 | 299.68 | 290.00 | 299.29 | 299.29 | 2,104,200 |
| 2015-12-15 | 285.01 | 291.69 | 282.56 | 289.11 | 289.11 | 1,624,300 |
| 2015-12-14 | 283.77 | 285.00 | 276.43 | 282.39 | 282.39 | 1,649,800 |
| 2015-12-11 | 285.54 | 288.59 | 282.23 | 283.46 | 283.46 | 2,029,900 |
| 2015-12-10 | 285.36 | 291.22 | 284.68 | 289.88 | 289.88 | 1,422,800 |
| 2015-12-09 | 286.21 | 290.09 | 283.02 | 284.61 | 284.61 | 1,525,400 |
| 2015-12-08 | 279.89 | 289.76 | 278.00 | 288.46 | 288.46 | 1,752,000 |
| 2015-12-07 | 283.31 | 284.98 | 279.70 | 281.63 | 281.63 | 1,739,700 |
| 2015-12-04 | 277.00 | 284.75 | 276.13 | 284.45 | 284.45 | 1,917,100 |
| 2015-12-03 | 284.22 | 285.58 | 274.23 | 275.44 | 275.44 | 1,902,700 |
| 2015-12-02 | 289.14 | 290.39 | 284.58 | 284.96 | 284.96 | 1,369,000 |
| 2015-12-01 | 289.30 | 290.59 | 285.80 | 290.04 | 290.04 | 1,684,300 |
| 2015-11-30 | 293.16 | 294.26 | 285.10 | 286.86 | 286.86 | 1,679,300 |
| 2015-11-27 | 292.97 | 294.10 | 290.78 | 293.21 | 293.21 | 465,800 |
| 2015-11-25 | 290.00 | 292.86 | 289.29 | 292.30 | 292.30 | 1,140,100 |
| 2015-11-24 | 290.96 | 292.61 | 288.01 | 289.15 | 289.15 | 1,325,400 |
| 2015-11-23 | 290.40 | 297.88 | 290.26 | 294.25 | 294.25 | 1,392,000 |
| 2015-11-20 | 291.85 | 292.43 | 289.91 | 290.16 | 290.16 | 1,723,700 |
| 2015-11-19 | 292.00 | 292.50 | 286.53 | 289.44 | 289.44 | 1,625,100 |
| 2015-11-18 | 280.65 | 292.68 | 279.31 | 291.98 | 291.98 | 2,253,200 |
| 2015-11-17 | 284.20 | 285.77 | 278.55 | 279.49 | 279.49 | 2,348,500 |
| 2015-11-16 | 285.93 | 286.75 | 278.28 | 283.53 | 283.53 | 1,960,100 |
| 2015-11-13 | 290.18 | 293.29 | 283.83 | 284.84 | 284.84 | 1,926,800 |
| 2015-11-12 | 292.50 | 297.28 | 290.91 | 291.33 | 291.33 | 1,457,200 |
| 2015-11-11 | 297.94 | 303.30 | 293.79 | 293.89 | 293.89 | 2,084,700 |
| 2015-11-10 | 294.36 | 298.98 | 291.23 | 297.22 | 297.22 | 1,801,000 |
| 2015-11-09 | 294.00 | 298.00 | 291.76 | 293.40 | 293.40 | 1,786,200 |
| 2015-11-06 | 293.09 | 296.10 | 287.73 | 295.35 | 295.35 | 2,449,600 |
| 2015-11-05 | 294.15 | 295.01 | 288.50 | 293.03 | 293.03 | 2,259,900 |
| 2015-11-04 | 299.84 | 302.39 | 293.05 | 296.57 | 296.57 | 2,437,700 |
| 2015-11-03 | 302.05 | 304.37 | 298.24 | 299.14 | 299.14 | 2,102,400 |
| 2015-11-02 | 294.52 | 303.31 | 293.33 | 303.08 | 303.08 | 2,785,800 |
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.