Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2020-02-13 | 329.20 | 338.88 | 329.00 | 334.25 | 334.25 | 1,307,300 |
| 2020-02-12 | 331.66 | 334.71 | 329.04 | 331.76 | 331.76 | 1,603,000 |
| 2020-02-11 | 338.06 | 340.05 | 329.72 | 332.29 | 332.29 | 1,806,200 |
| 2020-02-10 | 332.00 | 339.56 | 330.24 | 338.93 | 338.93 | 1,867,000 |
| 2020-02-07 | 335.39 | 340.32 | 331.66 | 338.70 | 338.70 | 2,209,400 |
| 2020-02-06 | 338.39 | 348.66 | 333.50 | 337.24 | 337.24 | 3,613,600 |
| 2020-02-05 | 285.63 | 374.99 | 279.18 | 332.87 | 332.87 | 10,159,200 |
| 2020-02-04 | 276.40 | 285.60 | 275.94 | 283.29 | 283.29 | 1,684,400 |
| 2020-02-03 | 270.61 | 275.30 | 269.76 | 272.73 | 272.73 | 1,257,800 |
| 2020-01-31 | 276.08 | 276.28 | 267.59 | 268.85 | 268.85 | 1,701,700 |
| 2020-01-30 | 288.12 | 288.12 | 276.14 | 277.53 | 277.53 | 1,601,000 |
| 2020-01-29 | 282.05 | 283.38 | 279.66 | 282.52 | 282.52 | 1,166,200 |
| 2020-01-28 | 283.96 | 284.29 | 280.72 | 281.95 | 281.95 | 1,136,500 |
| 2020-01-27 | 278.14 | 282.33 | 276.24 | 281.14 | 281.14 | 1,405,500 |
| 2020-01-24 | 284.21 | 284.99 | 277.32 | 278.14 | 278.14 | 1,260,200 |
| 2020-01-23 | 287.23 | 288.08 | 281.21 | 284.21 | 284.21 | 1,936,100 |
| 2020-01-22 | 288.17 | 290.85 | 287.60 | 288.10 | 288.10 | 1,571,000 |
| 2020-01-21 | 286.54 | 287.84 | 282.76 | 287.19 | 287.19 | 2,253,100 |
| 2020-01-17 | 287.32 | 288.00 | 284.90 | 285.50 | 285.50 | 1,765,000 |
| 2020-01-16 | 294.49 | 294.80 | 284.24 | 286.14 | 286.14 | 2,800,000 |
| 2020-01-15 | 298.94 | 300.37 | 292.41 | 293.09 | 293.09 | 1,975,600 |
| 2020-01-14 | 294.10 | 306.35 | 291.27 | 298.97 | 298.97 | 2,112,600 |
| 2020-01-13 | 294.81 | 295.50 | 290.83 | 293.90 | 293.90 | 1,401,100 |
| 2020-01-10 | 294.64 | 298.74 | 294.36 | 296.51 | 296.51 | 1,164,500 |
| 2020-01-09 | 293.99 | 296.57 | 292.36 | 294.30 | 294.30 | 966,500 |
| 2020-01-08 | 288.88 | 294.19 | 287.81 | 292.66 | 292.66 | 1,059,000 |
| 2020-01-07 | 290.57 | 291.84 | 287.99 | 290.09 | 290.09 | 1,034,000 |
| 2020-01-06 | 290.24 | 291.19 | 288.20 | 290.82 | 290.82 | 1,271,000 |
| 2020-01-03 | 290.77 | 292.68 | 290.22 | 290.85 | 290.85 | 700,100 |
| 2020-01-02 | 299.06 | 299.08 | 292.28 | 294.24 | 294.24 | 1,178,300 |
| 2019-12-31 | 295.28 | 297.36 | 292.84 | 296.73 | 296.73 | 810,100 |
| 2019-12-30 | 300.37 | 301.57 | 295.01 | 296.01 | 296.01 | 873,200 |
| 2019-12-27 | 302.85 | 303.05 | 299.49 | 300.09 | 300.09 | 677,100 |
| 2019-12-26 | 304.47 | 306.94 | 301.28 | 301.79 | 301.79 | 738,200 |
| 2019-12-24 | 301.64 | 304.65 | 301.07 | 304.07 | 304.07 | 433,700 |
| 2019-12-23 | 302.90 | 305.72 | 300.86 | 301.56 | 301.56 | 1,542,200 |
| 2019-12-20 | 301.00 | 301.85 | 299.50 | 301.05 | 301.05 | 3,949,700 |
| 2019-12-19 | 297.27 | 298.77 | 295.01 | 297.58 | 297.58 | 1,472,400 |
| 2019-12-18 | 297.63 | 300.83 | 295.55 | 296.61 | 296.61 | 1,790,800 |
| 2019-12-17 | 301.86 | 301.93 | 296.30 | 297.11 | 297.11 | 1,360,300 |
| 2019-12-16 | 297.81 | 301.74 | 296.75 | 301.40 | 301.40 | 1,398,700 |
| 2019-12-13 | 298.00 | 304.00 | 294.89 | 296.83 | 296.83 | 1,946,100 |
| 2019-12-12 | 291.94 | 296.17 | 290.93 | 293.85 | 293.85 | 1,951,100 |
| 2019-12-11 | 296.82 | 299.29 | 292.00 | 292.23 | 292.23 | 1,313,900 |
| 2019-12-10 | 294.38 | 300.26 | 294.37 | 297.20 | 297.20 | 1,227,200 |
| 2019-12-09 | 300.27 | 304.32 | 295.46 | 295.55 | 295.55 | 2,077,000 |
| 2019-12-06 | 299.68 | 304.56 | 299.68 | 300.26 | 300.26 | 2,261,100 |
| 2019-12-05 | 291.00 | 309.06 | 275.04 | 299.39 | 299.39 | 5,988,600 |
| 2019-12-04 | 290.15 | 293.14 | 284.03 | 289.52 | 289.52 | 1,736,200 |
| 2019-12-03 | 291.78 | 294.65 | 289.80 | 290.70 | 290.70 | 1,644,900 |
| 2019-12-02 | 292.35 | 296.60 | 290.16 | 292.39 | 292.39 | 1,822,200 |
| 2019-11-29 | 301.10 | 305.18 | 299.40 | 299.81 | 299.81 | 944,600 |
| 2019-11-27 | 303.61 | 304.00 | 298.68 | 303.35 | 303.35 | 1,369,900 |
| 2019-11-26 | 301.60 | 307.35 | 301.60 | 302.99 | 302.99 | 2,417,200 |
| 2019-11-25 | 301.63 | 307.01 | 300.56 | 302.61 | 302.61 | 2,226,100 |
| 2019-11-22 | 288.40 | 301.86 | 288.32 | 299.08 | 299.08 | 3,288,200 |
| 2019-11-21 | 285.35 | 289.18 | 283.76 | 288.46 | 288.46 | 1,292,400 |
| 2019-11-20 | 285.09 | 289.10 | 283.88 | 285.40 | 285.40 | 1,409,600 |
| 2019-11-19 | 282.11 | 290.69 | 280.51 | 285.43 | 285.43 | 2,001,500 |
| 2019-11-18 | 280.43 | 283.50 | 280.05 | 282.62 | 282.62 | 1,626,700 |
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.