Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2014-03-04 | 343.53 | 346.74 | 341.10 | 343.15 | 343.15 | 1,107,500 |
| 2014-03-03 | 340.68 | 342.36 | 331.22 | 338.38 | 338.38 | 1,340,400 |
| 2014-02-28 | 346.16 | 349.95 | 335.02 | 340.68 | 340.68 | 1,861,900 |
| 2014-02-27 | 342.50 | 348.39 | 340.77 | 343.86 | 343.86 | 1,149,800 |
| 2014-02-26 | 342.17 | 353.00 | 337.31 | 343.21 | 343.21 | 1,192,400 |
| 2014-02-25 | 346.51 | 349.54 | 343.11 | 346.30 | 346.30 | 1,350,500 |
| 2014-02-24 | 348.15 | 353.47 | 345.62 | 345.63 | 345.63 | 1,668,100 |
| 2014-02-21 | 336.37 | 349.77 | 334.47 | 347.11 | 347.11 | 1,814,700 |
| 2014-02-20 | 330.33 | 335.88 | 323.31 | 335.11 | 335.11 | 1,317,200 |
| 2014-02-19 | 334.12 | 335.39 | 326.65 | 328.45 | 328.45 | 825,700 |
| 2014-02-18 | 327.90 | 335.99 | 326.96 | 334.98 | 334.98 | 966,900 |
| 2014-02-14 | 329.48 | 331.74 | 327.10 | 328.29 | 328.29 | 1,054,300 |
| 2014-02-13 | 316.81 | 329.45 | 315.00 | 328.62 | 328.62 | 1,311,400 |
| 2014-02-12 | 319.27 | 326.34 | 318.63 | 323.04 | 323.04 | 1,461,200 |
| 2014-02-11 | 314.31 | 319.90 | 313.00 | 319.82 | 319.82 | 1,564,600 |
| 2014-02-10 | 315.54 | 318.23 | 311.67 | 317.96 | 317.96 | 1,249,800 |
| 2014-02-07 | 303.13 | 316.02 | 301.38 | 315.54 | 315.54 | 1,504,600 |
| 2014-02-06 | 301.88 | 307.35 | 300.67 | 301.01 | 301.01 | 1,384,600 |
| 2014-02-05 | 307.39 | 307.39 | 294.02 | 299.93 | 299.93 | 1,887,900 |
| 2014-02-04 | 299.01 | 310.06 | 298.15 | 308.18 | 308.18 | 2,141,100 |
| 2014-02-03 | 314.84 | 316.99 | 298.15 | 300.39 | 300.39 | 2,205,400 |
| 2014-01-31 | 313.08 | 317.45 | 311.01 | 312.64 | 312.64 | 1,312,900 |
| 2014-01-30 | 310.72 | 321.25 | 310.00 | 318.28 | 318.28 | 1,812,000 |
| 2014-01-29 | 299.03 | 318.42 | 292.82 | 305.46 | 305.46 | 2,773,800 |
| 2014-01-28 | 302.38 | 306.00 | 297.02 | 305.65 | 305.65 | 1,723,700 |
| 2014-01-27 | 303.61 | 303.86 | 292.53 | 297.88 | 297.88 | 1,515,300 |
| 2014-01-24 | 314.78 | 315.13 | 303.14 | 303.60 | 303.60 | 1,926,700 |
| 2014-01-23 | 307.23 | 315.38 | 305.48 | 314.96 | 314.96 | 1,578,700 |
| 2014-01-22 | 309.80 | 315.00 | 306.32 | 310.54 | 310.54 | 1,125,200 |
| 2014-01-21 | 300.45 | 311.20 | 299.54 | 310.50 | 310.50 | 1,793,100 |
| 2014-01-17 | 293.60 | 298.98 | 293.19 | 297.48 | 297.48 | 1,413,600 |
| 2014-01-16 | 297.27 | 299.13 | 291.75 | 294.00 | 294.00 | 1,051,200 |
| 2014-01-15 | 297.48 | 298.63 | 292.32 | 296.72 | 296.72 | 1,038,700 |
| 2014-01-14 | 284.70 | 300.67 | 280.31 | 297.47 | 297.47 | 1,651,400 |
| 2014-01-13 | 299.35 | 302.95 | 281.55 | 283.67 | 283.67 | 2,305,500 |
| 2014-01-10 | 291.57 | 299.85 | 286.30 | 299.31 | 299.31 | 1,866,900 |
| 2014-01-09 | 292.05 | 297.00 | 288.00 | 289.75 | 289.75 | 1,318,700 |
| 2014-01-08 | 276.64 | 290.99 | 274.25 | 290.01 | 290.01 | 1,436,200 |
| 2014-01-07 | 275.83 | 277.17 | 273.45 | 273.52 | 273.52 | 819,100 |
| 2014-01-06 | 278.03 | 279.36 | 270.62 | 274.97 | 274.97 | 1,019,000 |
| 2014-01-03 | 279.80 | 280.84 | 275.48 | 277.40 | 277.40 | 656,000 |
| 2014-01-02 | 279.44 | 282.52 | 276.21 | 280.33 | 280.33 | 902,200 |
| 2013-12-31 | 279.93 | 281.49 | 278.60 | 279.57 | 279.57 | 640,600 |
| 2013-12-30 | 278.39 | 280.19 | 273.77 | 279.57 | 279.57 | 605,200 |
| 2013-12-27 | 281.81 | 282.92 | 276.31 | 277.17 | 277.17 | 609,600 |
| 2013-12-26 | 280.81 | 282.22 | 279.07 | 281.34 | 281.34 | 620,600 |
| 2013-12-24 | 281.44 | 282.68 | 278.36 | 280.65 | 280.65 | 463,300 |
| 2013-12-23 | 284.28 | 285.00 | 279.51 | 281.61 | 281.61 | 1,075,900 |
| 2013-12-20 | 278.46 | 285.54 | 275.03 | 283.34 | 283.34 | 3,027,500 |
| 2013-12-19 | 278.88 | 280.43 | 275.17 | 277.21 | 277.21 | 955,800 |
| 2013-12-18 | 272.19 | 281.25 | 270.74 | 280.64 | 280.64 | 1,870,500 |
| 2013-12-17 | 274.55 | 276.59 | 270.27 | 271.51 | 271.51 | 1,253,000 |
| 2013-12-16 | 277.22 | 283.54 | 273.21 | 273.60 | 273.60 | 1,178,300 |
| 2013-12-13 | 278.02 | 279.41 | 271.59 | 275.32 | 275.32 | 1,167,300 |
| 2013-12-12 | 278.20 | 283.83 | 277.22 | 277.87 | 277.87 | 993,600 |
| 2013-12-11 | 284.66 | 286.02 | 277.19 | 278.04 | 278.04 | 1,270,200 |
| 2013-12-10 | 286.83 | 288.90 | 281.28 | 285.23 | 285.23 | 937,500 |
| 2013-12-09 | 292.99 | 293.20 | 284.70 | 286.18 | 286.18 | 1,190,000 |
| 2013-12-06 | 289.55 | 292.86 | 283.00 | 290.90 | 290.90 | 1,214,500 |
| 2013-12-05 | 284.95 | 288.73 | 282.12 | 284.92 | 284.92 | 1,159,000 |
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.