Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2014-08-22 | 339.84 | 341.90 | 337.00 | 339.97 | 339.97 | 677,300 |
| 2014-08-21 | 342.73 | 344.42 | 337.19 | 338.65 | 338.65 | 663,700 |
| 2014-08-20 | 343.68 | 345.46 | 340.67 | 342.58 | 342.58 | 700,100 |
| 2014-08-19 | 344.82 | 348.49 | 343.29 | 345.84 | 345.84 | 815,700 |
| 2014-08-18 | 347.59 | 348.40 | 342.09 | 344.60 | 344.60 | 1,223,600 |
| 2014-08-15 | 339.25 | 343.03 | 330.70 | 342.47 | 342.47 | 1,722,400 |
| 2014-08-14 | 335.05 | 338.51 | 333.66 | 337.01 | 337.01 | 1,319,200 |
| 2014-08-13 | 325.51 | 335.39 | 324.13 | 334.64 | 334.64 | 1,449,200 |
| 2014-08-12 | 319.96 | 325.64 | 317.00 | 324.96 | 324.96 | 1,045,600 |
| 2014-08-11 | 327.30 | 327.44 | 319.07 | 320.34 | 320.34 | 983,000 |
| 2014-08-08 | 320.88 | 326.40 | 319.32 | 324.05 | 324.05 | 1,196,900 |
| 2014-08-07 | 326.00 | 327.36 | 319.80 | 320.60 | 320.60 | 872,700 |
| 2014-08-06 | 324.06 | 328.49 | 322.00 | 325.20 | 325.20 | 940,600 |
| 2014-08-05 | 325.58 | 328.55 | 322.14 | 325.23 | 325.23 | 1,144,600 |
| 2014-08-04 | 330.08 | 330.94 | 325.76 | 326.55 | 326.55 | 989,300 |
| 2014-08-01 | 332.93 | 337.82 | 325.85 | 329.83 | 329.83 | 1,319,300 |
| 2014-07-31 | 342.72 | 342.86 | 333.35 | 334.39 | 334.39 | 1,168,500 |
| 2014-07-30 | 344.45 | 349.00 | 343.02 | 344.52 | 344.52 | 1,303,300 |
| 2014-07-29 | 337.00 | 344.07 | 335.70 | 341.73 | 341.73 | 1,286,000 |
| 2014-07-28 | 334.68 | 338.34 | 332.10 | 336.39 | 336.39 | 995,600 |
| 2014-07-25 | 334.78 | 337.50 | 332.77 | 335.45 | 335.45 | 1,068,600 |
| 2014-07-24 | 337.60 | 339.83 | 335.22 | 336.79 | 336.79 | 1,599,900 |
| 2014-07-23 | 335.00 | 343.59 | 331.00 | 337.60 | 337.60 | 4,143,000 |
| 2014-07-22 | 305.18 | 308.68 | 302.94 | 303.67 | 303.67 | 1,200,100 |
| 2014-07-21 | 303.04 | 304.24 | 300.40 | 302.50 | 302.50 | 1,027,800 |
| 2014-07-18 | 301.12 | 305.82 | 298.64 | 304.10 | 304.10 | 1,550,700 |
| 2014-07-17 | 301.85 | 307.99 | 298.31 | 299.29 | 299.29 | 1,651,300 |
| 2014-07-16 | 313.83 | 313.83 | 302.55 | 303.74 | 303.74 | 1,803,800 |
| 2014-07-15 | 320.76 | 321.81 | 311.92 | 312.00 | 312.00 | 1,391,100 |
| 2014-07-14 | 325.12 | 325.12 | 319.06 | 319.75 | 319.75 | 876,500 |
| 2014-07-11 | 320.00 | 323.44 | 316.04 | 322.22 | 322.22 | 946,900 |
| 2014-07-10 | 317.10 | 321.41 | 315.00 | 319.12 | 319.12 | 825,300 |
| 2014-07-09 | 322.62 | 322.87 | 313.61 | 320.14 | 320.14 | 1,027,100 |
| 2014-07-08 | 324.00 | 324.60 | 316.91 | 317.59 | 317.59 | 1,235,700 |
| 2014-07-07 | 329.40 | 332.97 | 324.00 | 325.68 | 325.68 | 802,300 |
| 2014-07-03 | 330.80 | 332.93 | 328.23 | 331.15 | 331.15 | 700,600 |
| 2014-07-02 | 325.25 | 332.78 | 324.01 | 331.00 | 331.00 | 1,183,800 |
| 2014-07-01 | 317.03 | 326.23 | 315.24 | 324.74 | 324.74 | 1,179,500 |
| 2014-06-30 | 317.16 | 319.62 | 315.01 | 315.31 | 315.31 | 938,200 |
| 2014-06-27 | 318.57 | 320.99 | 315.67 | 318.13 | 318.13 | 969,400 |
| 2014-06-26 | 315.68 | 319.88 | 312.87 | 318.63 | 318.63 | 1,027,500 |
| 2014-06-25 | 313.09 | 318.00 | 312.58 | 314.76 | 314.76 | 1,051,700 |
| 2014-06-24 | 313.59 | 319.26 | 312.66 | 314.23 | 314.23 | 1,105,200 |
| 2014-06-23 | 318.01 | 321.89 | 312.87 | 313.46 | 313.46 | 889,100 |
| 2014-06-20 | 313.85 | 319.89 | 312.50 | 319.59 | 319.59 | 2,088,800 |
| 2014-06-19 | 310.67 | 313.53 | 308.45 | 311.98 | 311.98 | 1,034,500 |
| 2014-06-18 | 305.51 | 310.36 | 304.62 | 309.81 | 309.81 | 1,068,300 |
| 2014-06-17 | 306.99 | 307.46 | 302.01 | 304.79 | 304.79 | 860,400 |
| 2014-06-16 | 309.60 | 312.95 | 306.76 | 307.97 | 307.97 | 890,700 |
| 2014-06-13 | 310.50 | 311.38 | 306.40 | 309.98 | 309.98 | 773,200 |
| 2014-06-12 | 310.72 | 314.07 | 308.10 | 309.78 | 309.78 | 802,700 |
| 2014-06-11 | 314.04 | 314.99 | 308.00 | 310.72 | 310.72 | 909,700 |
| 2014-06-10 | 316.20 | 319.84 | 312.61 | 315.44 | 315.44 | 1,015,900 |
| 2014-06-09 | 320.00 | 321.48 | 316.08 | 318.16 | 318.16 | 775,200 |
| 2014-06-06 | 321.96 | 322.05 | 314.29 | 317.55 | 317.55 | 872,800 |
| 2014-06-05 | 320.17 | 321.20 | 315.82 | 320.13 | 320.13 | 1,116,900 |
| 2014-06-04 | 315.87 | 320.00 | 314.01 | 319.18 | 319.18 | 740,600 |
| 2014-06-03 | 316.37 | 318.87 | 313.77 | 316.86 | 316.86 | 786,200 |
| 2014-06-02 | 318.93 | 320.03 | 310.61 | 318.22 | 318.22 | 754,700 |
| 2014-05-30 | 320.80 | 322.25 | 317.93 | 319.37 | 319.37 | 1,294,400 |
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.