Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2018-12-04 | 332.92 | 336.30 | 321.83 | 322.73 | 322.73 | 1,345,500 |
| 2018-12-03 | 335.00 | 338.72 | 329.38 | 332.19 | 332.19 | 1,131,500 |
| 2018-11-30 | 327.03 | 333.77 | 325.15 | 333.72 | 333.72 | 1,666,900 |
| 2018-11-29 | 329.06 | 330.99 | 324.60 | 326.61 | 326.61 | 821,300 |
| 2018-11-28 | 324.25 | 332.50 | 321.33 | 332.24 | 332.24 | 1,067,700 |
| 2018-11-27 | 317.77 | 323.91 | 316.12 | 323.81 | 323.81 | 964,400 |
| 2018-11-26 | 321.70 | 322.49 | 315.41 | 319.50 | 319.50 | 1,141,600 |
| 2018-11-23 | 313.81 | 324.45 | 313.28 | 320.08 | 320.08 | 597,800 |
| 2018-11-21 | 319.89 | 321.05 | 315.28 | 315.56 | 315.56 | 746,900 |
| 2018-11-20 | 318.96 | 323.51 | 313.25 | 319.48 | 319.48 | 1,357,000 |
| 2018-11-19 | 325.12 | 326.32 | 315.45 | 319.21 | 319.21 | 1,204,000 |
| 2018-11-16 | 321.82 | 326.19 | 320.62 | 324.05 | 324.05 | 1,542,100 |
| 2018-11-15 | 311.27 | 322.05 | 310.00 | 321.72 | 321.72 | 1,196,000 |
| 2018-11-14 | 321.56 | 322.78 | 312.99 | 313.55 | 313.55 | 1,390,900 |
| 2018-11-13 | 320.43 | 325.26 | 317.93 | 319.08 | 319.08 | 839,400 |
| 2018-11-12 | 324.90 | 325.00 | 317.56 | 318.90 | 318.90 | 954,900 |
| 2018-11-09 | 325.77 | 326.63 | 322.09 | 325.20 | 325.20 | 783,000 |
| 2018-11-08 | 330.52 | 331.41 | 325.00 | 326.04 | 326.04 | 1,088,300 |
| 2018-11-07 | 323.13 | 331.88 | 322.40 | 331.51 | 331.51 | 1,371,500 |
| 2018-11-06 | 316.03 | 322.42 | 316.03 | 320.28 | 320.28 | 1,064,600 |
| 2018-11-05 | 314.18 | 318.80 | 313.58 | 317.15 | 317.15 | 1,020,000 |
| 2018-11-02 | 319.33 | 320.89 | 309.64 | 312.70 | 312.70 | 1,197,900 |
| 2018-11-01 | 304.43 | 315.94 | 304.27 | 315.33 | 315.33 | 1,331,100 |
| 2018-10-31 | 308.67 | 310.67 | 303.27 | 304.27 | 304.27 | 1,328,600 |
| 2018-10-30 | 301.92 | 306.69 | 298.34 | 306.28 | 306.28 | 1,482,700 |
| 2018-10-29 | 304.41 | 308.49 | 294.72 | 300.96 | 300.96 | 1,567,600 |
| 2018-10-26 | 292.85 | 304.90 | 291.00 | 300.17 | 300.17 | 2,174,300 |
| 2018-10-25 | 294.61 | 302.34 | 288.34 | 298.47 | 298.47 | 3,001,700 |
| 2018-10-24 | 315.94 | 319.69 | 301.09 | 302.05 | 302.05 | 2,766,800 |
| 2018-10-23 | 315.00 | 326.50 | 311.00 | 316.15 | 316.15 | 2,414,500 |
| 2018-10-22 | 322.30 | 323.85 | 314.16 | 315.54 | 315.54 | 1,736,300 |
| 2018-10-19 | 323.06 | 327.12 | 318.52 | 320.41 | 320.41 | 1,885,000 |
| 2018-10-18 | 337.79 | 337.79 | 328.00 | 330.15 | 330.15 | 1,002,500 |
| 2018-10-17 | 337.89 | 342.27 | 334.68 | 338.23 | 338.23 | 939,800 |
| 2018-10-16 | 330.89 | 339.12 | 328.77 | 338.61 | 338.61 | 1,151,000 |
| 2018-10-15 | 329.97 | 332.07 | 327.38 | 328.41 | 328.41 | 921,000 |
| 2018-10-12 | 331.62 | 333.30 | 326.14 | 330.94 | 330.94 | 1,264,900 |
| 2018-10-11 | 338.23 | 340.85 | 324.46 | 327.27 | 327.27 | 1,395,700 |
| 2018-10-10 | 342.64 | 346.72 | 337.53 | 337.53 | 337.53 | 1,420,200 |
| 2018-10-09 | 342.74 | 346.42 | 341.15 | 344.57 | 344.57 | 778,900 |
| 2018-10-08 | 340.67 | 345.57 | 338.22 | 343.03 | 343.03 | 852,400 |
| 2018-10-05 | 344.29 | 347.78 | 336.21 | 342.08 | 342.08 | 989,100 |
| 2018-10-04 | 350.78 | 351.98 | 340.65 | 343.10 | 343.10 | 1,079,200 |
| 2018-10-03 | 345.66 | 353.81 | 344.79 | 352.75 | 352.75 | 1,119,400 |
| 2018-10-02 | 353.14 | 353.99 | 344.40 | 345.41 | 345.41 | 1,340,100 |
| 2018-10-01 | 355.30 | 358.41 | 350.57 | 352.56 | 352.56 | 974,900 |
| 2018-09-28 | 355.00 | 357.00 | 352.43 | 353.31 | 353.31 | 1,542,900 |
| 2018-09-27 | 351.39 | 357.50 | 350.42 | 355.60 | 355.60 | 1,219,500 |
| 2018-09-26 | 342.20 | 353.21 | 341.74 | 349.37 | 349.37 | 1,595,600 |
| 2018-09-25 | 347.04 | 347.49 | 341.46 | 341.65 | 341.65 | 1,232,300 |
| 2018-09-24 | 342.99 | 347.76 | 341.86 | 347.02 | 347.02 | 1,016,300 |
| 2018-09-21 | 343.10 | 345.41 | 338.52 | 345.41 | 345.41 | 3,874,500 |
| 2018-09-20 | 339.97 | 342.64 | 337.80 | 341.24 | 341.24 | 1,085,000 |
| 2018-09-19 | 337.85 | 339.98 | 334.87 | 338.91 | 338.91 | 844,800 |
| 2018-09-18 | 333.46 | 338.48 | 332.48 | 336.89 | 336.89 | 1,243,300 |
| 2018-09-17 | 338.56 | 338.56 | 333.50 | 334.40 | 334.40 | 944,100 |
| 2018-09-14 | 341.32 | 342.06 | 337.37 | 338.68 | 338.68 | 882,000 |
| 2018-09-13 | 341.05 | 342.41 | 337.83 | 340.58 | 340.58 | 862,300 |
| 2018-09-12 | 337.96 | 340.43 | 333.03 | 340.03 | 340.03 | 869,400 |
| 2018-09-11 | 340.66 | 341.48 | 337.09 | 337.70 | 337.70 | 906,700 |
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.