Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2019-03-05 | 327.75 | 330.12 | 325.04 | 326.87 | 326.87 | 1,020,400 |
| 2019-03-04 | 335.60 | 336.57 | 324.44 | 327.26 | 327.26 | 1,046,900 |
| 2019-03-01 | 331.29 | 335.17 | 330.15 | 334.10 | 334.10 | 906,100 |
| 2019-02-28 | 327.64 | 329.78 | 326.51 | 328.01 | 328.01 | 752,900 |
| 2019-02-27 | 326.53 | 330.03 | 325.51 | 328.89 | 328.89 | 598,500 |
| 2019-02-26 | 327.23 | 329.15 | 325.13 | 327.62 | 327.62 | 742,900 |
| 2019-02-25 | 327.95 | 331.99 | 326.25 | 327.48 | 327.48 | 839,000 |
| 2019-02-22 | 321.19 | 325.39 | 320.43 | 325.33 | 325.33 | 1,030,000 |
| 2019-02-21 | 329.97 | 331.49 | 320.39 | 321.17 | 321.17 | 1,441,200 |
| 2019-02-20 | 332.37 | 335.30 | 331.57 | 335.16 | 335.16 | 859,900 |
| 2019-02-19 | 330.83 | 335.94 | 330.83 | 333.00 | 333.00 | 946,800 |
| 2019-02-15 | 328.09 | 333.28 | 324.71 | 332.87 | 332.87 | 1,435,700 |
| 2019-02-14 | 321.00 | 325.78 | 318.57 | 324.71 | 324.71 | 1,245,900 |
| 2019-02-13 | 321.00 | 323.66 | 319.24 | 321.54 | 321.54 | 1,136,800 |
| 2019-02-12 | 319.10 | 320.31 | 316.95 | 319.43 | 319.43 | 1,082,700 |
| 2019-02-11 | 316.12 | 317.90 | 314.54 | 316.87 | 316.87 | 1,360,900 |
| 2019-02-08 | 307.11 | 316.71 | 305.45 | 315.12 | 315.12 | 1,633,700 |
| 2019-02-07 | 323.90 | 325.21 | 307.00 | 308.73 | 308.73 | 2,786,600 |
| 2019-02-06 | 337.47 | 338.41 | 331.63 | 333.24 | 333.24 | 934,500 |
| 2019-02-05 | 334.33 | 338.87 | 333.30 | 336.99 | 336.99 | 1,281,400 |
| 2019-02-04 | 331.37 | 334.11 | 326.61 | 334.07 | 334.07 | 990,700 |
| 2019-02-01 | 333.75 | 333.75 | 326.07 | 330.91 | 330.91 | 1,180,900 |
| 2019-01-31 | 328.24 | 334.30 | 325.06 | 333.78 | 333.78 | 1,419,200 |
| 2019-01-30 | 326.20 | 331.00 | 321.42 | 327.86 | 327.86 | 2,387,900 |
| 2019-01-29 | 327.14 | 335.08 | 326.01 | 334.48 | 334.48 | 1,645,700 |
| 2019-01-28 | 335.19 | 335.88 | 326.84 | 330.01 | 330.01 | 1,230,500 |
| 2019-01-25 | 334.88 | 337.36 | 333.51 | 336.77 | 336.77 | 971,500 |
| 2019-01-24 | 336.91 | 337.21 | 331.97 | 332.87 | 332.87 | 1,090,900 |
| 2019-01-23 | 340.46 | 344.00 | 333.29 | 337.22 | 337.22 | 1,046,800 |
| 2019-01-22 | 335.05 | 340.70 | 333.66 | 338.96 | 338.96 | 1,448,400 |
| 2019-01-18 | 340.33 | 340.55 | 334.71 | 337.42 | 337.42 | 1,270,800 |
| 2019-01-17 | 331.24 | 339.96 | 330.32 | 338.34 | 338.34 | 1,004,700 |
| 2019-01-16 | 337.43 | 339.97 | 330.06 | 332.03 | 332.03 | 1,232,100 |
| 2019-01-15 | 330.67 | 337.97 | 328.93 | 337.54 | 337.54 | 982,200 |
| 2019-01-14 | 331.28 | 331.52 | 327.72 | 330.42 | 330.42 | 952,500 |
| 2019-01-11 | 329.40 | 333.57 | 327.83 | 333.21 | 333.21 | 1,317,800 |
| 2019-01-10 | 325.62 | 331.37 | 324.20 | 331.19 | 331.19 | 845,800 |
| 2019-01-09 | 325.76 | 330.70 | 324.46 | 326.63 | 326.63 | 1,223,600 |
| 2019-01-08 | 324.53 | 325.90 | 320.47 | 324.44 | 324.44 | 1,008,100 |
| 2019-01-07 | 319.28 | 327.26 | 317.41 | 322.40 | 322.40 | 1,316,500 |
| 2019-01-04 | 311.80 | 323.63 | 309.90 | 318.33 | 318.33 | 1,532,600 |
| 2019-01-03 | 306.76 | 316.69 | 305.92 | 307.00 | 307.00 | 2,148,600 |
| 2019-01-02 | 296.84 | 307.13 | 296.54 | 304.69 | 304.69 | 1,336,500 |
| 2018-12-31 | 294.56 | 302.48 | 294.20 | 300.92 | 300.92 | 1,064,300 |
| 2018-12-28 | 294.50 | 298.25 | 292.50 | 293.52 | 293.52 | 1,053,300 |
| 2018-12-27 | 290.19 | 294.43 | 283.50 | 294.41 | 294.41 | 1,477,600 |
| 2018-12-26 | 279.46 | 295.23 | 278.96 | 295.17 | 295.17 | 1,513,000 |
| 2018-12-24 | 281.18 | 286.75 | 278.46 | 278.50 | 278.50 | 997,500 |
| 2018-12-21 | 291.32 | 296.24 | 280.40 | 280.60 | 280.60 | 3,070,800 |
| 2018-12-20 | 292.49 | 296.59 | 289.61 | 292.33 | 292.33 | 1,648,100 |
| 2018-12-19 | 295.04 | 299.24 | 289.43 | 292.69 | 292.69 | 2,036,600 |
| 2018-12-18 | 313.81 | 313.94 | 289.72 | 294.75 | 294.75 | 2,990,800 |
| 2018-12-17 | 315.46 | 323.93 | 310.97 | 313.10 | 313.10 | 1,397,600 |
| 2018-12-14 | 319.60 | 320.54 | 314.15 | 314.55 | 314.55 | 1,233,800 |
| 2018-12-13 | 323.97 | 325.69 | 319.00 | 320.14 | 320.14 | 1,220,700 |
| 2018-12-12 | 324.34 | 330.75 | 319.54 | 322.61 | 322.61 | 1,401,500 |
| 2018-12-11 | 323.64 | 326.63 | 318.36 | 319.79 | 319.79 | 1,050,100 |
| 2018-12-10 | 317.94 | 321.11 | 310.99 | 319.44 | 319.44 | 968,100 |
| 2018-12-07 | 324.60 | 326.55 | 316.15 | 316.73 | 316.73 | 1,172,100 |
| 2018-12-06 | 318.50 | 326.73 | 313.64 | 326.70 | 326.70 | 1,575,600 |
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.