Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2016-10-13 | 289.19 | 296.62 | 288.91 | 294.41 | 294.41 | 1,571,600 |
| 2016-10-12 | 298.29 | 299.12 | 291.49 | 291.88 | 291.88 | 1,823,700 |
| 2016-10-11 | 304.13 | 304.52 | 296.32 | 298.30 | 298.30 | 1,494,600 |
| 2016-10-10 | 308.00 | 308.70 | 304.27 | 304.59 | 304.59 | 987,200 |
| 2016-10-07 | 307.31 | 308.00 | 302.21 | 305.59 | 305.59 | 1,526,000 |
| 2016-10-06 | 308.30 | 309.89 | 303.92 | 305.99 | 305.99 | 865,100 |
| 2016-10-05 | 313.27 | 313.32 | 308.60 | 309.70 | 309.70 | 977,300 |
| 2016-10-04 | 311.94 | 314.00 | 309.89 | 311.48 | 311.48 | 914,000 |
| 2016-10-03 | 313.00 | 313.00 | 308.85 | 311.59 | 311.59 | 1,001,200 |
| 2016-09-30 | 306.59 | 314.38 | 306.04 | 313.03 | 313.03 | 2,124,800 |
| 2016-09-29 | 310.17 | 312.47 | 304.04 | 305.78 | 305.78 | 1,133,900 |
| 2016-09-28 | 315.99 | 315.99 | 308.74 | 310.55 | 310.55 | 1,020,100 |
| 2016-09-27 | 309.78 | 315.00 | 307.50 | 314.53 | 314.53 | 1,104,500 |
| 2016-09-26 | 311.70 | 312.02 | 308.68 | 309.82 | 309.82 | 924,200 |
| 2016-09-23 | 312.58 | 317.32 | 312.11 | 312.58 | 312.58 | 881,600 |
| 2016-09-22 | 313.07 | 315.98 | 311.37 | 314.81 | 314.81 | 1,378,000 |
| 2016-09-21 | 309.00 | 312.39 | 304.11 | 312.00 | 312.00 | 1,527,600 |
| 2016-09-20 | 306.06 | 308.86 | 304.00 | 307.05 | 307.05 | 1,100,100 |
| 2016-09-19 | 304.83 | 308.00 | 303.17 | 303.50 | 303.50 | 1,108,300 |
| 2016-09-16 | 303.15 | 306.29 | 300.17 | 304.51 | 304.51 | 1,874,500 |
| 2016-09-15 | 300.00 | 304.46 | 298.01 | 302.82 | 302.82 | 1,271,400 |
| 2016-09-14 | 298.34 | 304.11 | 298.21 | 299.79 | 299.79 | 1,534,200 |
| 2016-09-13 | 300.25 | 300.76 | 294.74 | 297.41 | 297.41 | 1,829,300 |
| 2016-09-12 | 294.14 | 303.85 | 293.83 | 302.66 | 302.66 | 1,811,000 |
| 2016-09-09 | 304.62 | 305.48 | 296.07 | 296.10 | 296.10 | 1,976,200 |
| 2016-09-08 | 311.35 | 312.45 | 307.42 | 307.73 | 307.73 | 1,482,300 |
| 2016-09-07 | 309.96 | 313.72 | 309.96 | 312.30 | 312.30 | 1,155,600 |
| 2016-09-06 | 310.43 | 316.47 | 309.12 | 310.67 | 310.67 | 1,705,400 |
| 2016-09-02 | 311.83 | 318.88 | 308.66 | 313.59 | 313.59 | 2,233,900 |
| 2016-09-01 | 307.96 | 309.25 | 305.02 | 306.03 | 306.03 | 1,068,000 |
| 2016-08-31 | 307.68 | 308.68 | 304.22 | 305.63 | 305.63 | 1,045,000 |
| 2016-08-30 | 305.24 | 309.00 | 305.00 | 307.86 | 307.86 | 1,071,000 |
| 2016-08-29 | 307.87 | 309.14 | 304.79 | 306.13 | 306.13 | 1,045,000 |
| 2016-08-26 | 307.21 | 310.74 | 304.56 | 308.17 | 308.17 | 1,124,200 |
| 2016-08-25 | 309.03 | 311.97 | 301.02 | 306.85 | 306.85 | 1,669,800 |
| 2016-08-24 | 318.18 | 321.74 | 306.73 | 309.33 | 309.33 | 1,646,500 |
| 2016-08-23 | 316.81 | 322.99 | 315.28 | 318.17 | 318.17 | 1,429,000 |
| 2016-08-22 | 316.15 | 320.82 | 315.13 | 316.81 | 316.81 | 1,317,300 |
| 2016-08-19 | 313.69 | 319.89 | 312.39 | 316.81 | 316.81 | 1,393,500 |
| 2016-08-18 | 313.57 | 313.76 | 312.00 | 313.38 | 313.38 | 879,000 |
| 2016-08-17 | 314.17 | 314.71 | 311.29 | 313.82 | 313.82 | 852,600 |
| 2016-08-16 | 313.27 | 316.67 | 312.64 | 313.42 | 313.42 | 946,100 |
| 2016-08-15 | 313.40 | 315.08 | 310.01 | 313.39 | 313.39 | 929,800 |
| 2016-08-12 | 311.99 | 315.23 | 311.65 | 313.94 | 313.94 | 993,800 |
| 2016-08-11 | 309.47 | 316.25 | 309.42 | 314.49 | 314.49 | 1,771,100 |
| 2016-08-10 | 315.00 | 315.00 | 307.14 | 308.87 | 308.87 | 1,236,300 |
| 2016-08-09 | 313.72 | 316.24 | 311.80 | 314.42 | 314.42 | 1,132,200 |
| 2016-08-08 | 316.02 | 316.35 | 309.16 | 313.65 | 313.65 | 2,136,800 |
| 2016-08-05 | 316.16 | 318.91 | 313.69 | 315.96 | 315.96 | 1,358,300 |
| 2016-08-04 | 320.15 | 320.45 | 314.01 | 314.56 | 314.56 | 2,002,300 |
| 2016-08-03 | 321.77 | 324.30 | 310.06 | 321.34 | 321.34 | 6,040,500 |
| 2016-08-02 | 302.88 | 333.65 | 297.66 | 330.11 | 330.11 | 7,800,000 |
| 2016-08-01 | 300.00 | 307.50 | 299.06 | 301.83 | 301.83 | 3,565,600 |
| 2016-07-29 | 288.85 | 290.46 | 286.80 | 289.93 | 289.93 | 1,338,500 |
| 2016-07-28 | 288.61 | 289.98 | 285.07 | 289.03 | 289.03 | 1,454,500 |
| 2016-07-27 | 286.83 | 288.77 | 286.08 | 288.35 | 288.35 | 1,458,200 |
| 2016-07-26 | 286.00 | 289.95 | 285.47 | 287.04 | 287.04 | 1,987,100 |
| 2016-07-25 | 287.84 | 290.58 | 285.02 | 287.35 | 287.35 | 1,977,700 |
| 2016-07-22 | 282.09 | 290.92 | 281.38 | 287.78 | 287.78 | 3,394,600 |
| 2016-07-21 | 279.76 | 282.54 | 274.23 | 282.45 | 282.45 | 5,548,000 |
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.