Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2015-08-06 | 336.67 | 337.50 | 315.30 | 316.60 | 316.60 | 3,830,000 |
| 2015-08-05 | 333.00 | 338.51 | 332.81 | 335.41 | 335.41 | 2,308,000 |
| 2015-08-04 | 325.88 | 334.80 | 324.52 | 330.38 | 330.38 | 3,586,200 |
| 2015-08-03 | 320.33 | 325.81 | 319.11 | 324.38 | 324.38 | 3,024,800 |
| 2015-07-31 | 319.57 | 322.35 | 312.70 | 318.78 | 318.78 | 2,261,500 |
| 2015-07-30 | 312.54 | 319.42 | 310.52 | 317.00 | 317.00 | 2,303,900 |
| 2015-07-29 | 321.92 | 323.00 | 309.15 | 313.34 | 313.34 | 3,278,000 |
| 2015-07-28 | 312.52 | 320.51 | 308.68 | 319.93 | 319.93 | 3,547,000 |
| 2015-07-27 | 305.40 | 325.00 | 303.76 | 309.43 | 309.43 | 9,975,000 |
| 2015-07-24 | 327.00 | 327.00 | 299.76 | 300.03 | 300.03 | 16,634,100 |
| 2015-07-23 | 394.17 | 396.23 | 384.51 | 385.05 | 385.05 | 2,602,500 |
| 2015-07-22 | 393.65 | 401.11 | 389.61 | 391.74 | 391.74 | 4,053,500 |
| 2015-07-21 | 410.35 | 412.24 | 405.51 | 409.50 | 409.50 | 1,768,700 |
| 2015-07-20 | 407.53 | 409.40 | 403.01 | 408.93 | 408.93 | 1,816,600 |
| 2015-07-17 | 406.37 | 407.13 | 401.75 | 404.66 | 404.66 | 1,890,300 |
| 2015-07-16 | 402.72 | 407.31 | 402.05 | 403.73 | 403.73 | 1,335,500 |
| 2015-07-15 | 404.59 | 407.83 | 399.53 | 400.55 | 400.55 | 1,471,800 |
| 2015-07-14 | 396.95 | 403.21 | 393.72 | 400.20 | 400.20 | 1,507,200 |
| 2015-07-13 | 391.21 | 395.79 | 388.64 | 391.23 | 391.23 | 1,517,900 |
| 2015-07-10 | 401.00 | 401.44 | 381.86 | 388.23 | 388.23 | 3,887,500 |
| 2015-07-09 | 403.56 | 404.36 | 399.29 | 399.29 | 399.29 | 1,325,300 |
| 2015-07-08 | 405.00 | 406.23 | 396.73 | 397.68 | 397.68 | 1,312,900 |
| 2015-07-07 | 405.25 | 409.91 | 400.33 | 408.06 | 408.06 | 1,488,900 |
| 2015-07-06 | 399.86 | 412.00 | 399.51 | 404.63 | 404.63 | 1,189,700 |
| 2015-07-02 | 407.29 | 407.98 | 403.15 | 404.28 | 404.28 | 928,600 |
| 2015-07-01 | 408.32 | 409.98 | 404.38 | 405.41 | 405.41 | 992,500 |
| 2015-06-30 | 403.55 | 405.00 | 396.66 | 403.94 | 403.94 | 1,582,200 |
| 2015-06-29 | 404.50 | 407.86 | 395.90 | 396.21 | 396.21 | 1,474,100 |
| 2015-06-26 | 412.24 | 413.70 | 405.79 | 408.73 | 408.73 | 958,700 |
| 2015-06-25 | 412.92 | 417.68 | 410.06 | 411.29 | 411.29 | 902,000 |
| 2015-06-24 | 415.43 | 415.99 | 410.27 | 410.65 | 410.65 | 990,600 |
| 2015-06-23 | 419.65 | 420.99 | 414.04 | 416.26 | 416.26 | 1,081,300 |
| 2015-06-22 | 415.00 | 420.00 | 414.79 | 417.57 | 417.57 | 1,185,800 |
| 2015-06-19 | 406.61 | 414.00 | 406.61 | 411.05 | 411.05 | 2,951,900 |
| 2015-06-18 | 393.47 | 404.90 | 393.40 | 401.55 | 401.55 | 1,677,400 |
| 2015-06-17 | 389.35 | 391.90 | 386.31 | 390.86 | 390.86 | 920,900 |
| 2015-06-16 | 386.59 | 390.99 | 385.46 | 388.28 | 388.28 | 930,900 |
| 2015-06-15 | 386.64 | 390.43 | 382.02 | 388.28 | 388.28 | 1,048,000 |
| 2015-06-12 | 391.26 | 395.80 | 386.25 | 388.77 | 388.77 | 1,078,400 |
| 2015-06-11 | 390.60 | 395.15 | 390.16 | 393.54 | 393.54 | 1,323,300 |
| 2015-06-10 | 382.97 | 390.06 | 378.00 | 388.50 | 388.50 | 1,573,300 |
| 2015-06-09 | 384.27 | 385.88 | 378.82 | 382.00 | 382.00 | 1,260,800 |
| 2015-06-08 | 387.66 | 389.39 | 384.67 | 386.37 | 386.37 | 777,000 |
| 2015-06-05 | 382.88 | 389.75 | 381.57 | 387.86 | 387.86 | 998,800 |
| 2015-06-04 | 385.50 | 387.54 | 382.54 | 384.34 | 384.34 | 1,527,600 |
| 2015-06-03 | 388.77 | 393.79 | 387.33 | 387.48 | 387.48 | 1,281,500 |
| 2015-06-02 | 391.36 | 391.76 | 384.00 | 387.62 | 387.62 | 1,947,100 |
| 2015-06-01 | 398.87 | 399.58 | 391.00 | 393.35 | 393.35 | 1,192,600 |
| 2015-05-29 | 400.09 | 401.89 | 395.64 | 396.99 | 396.99 | 1,303,100 |
| 2015-05-28 | 402.30 | 403.85 | 399.10 | 400.10 | 400.10 | 789,100 |
| 2015-05-27 | 393.81 | 403.22 | 391.52 | 402.92 | 402.92 | 1,117,000 |
| 2015-05-26 | 397.17 | 399.93 | 391.62 | 392.88 | 392.88 | 899,800 |
| 2015-05-22 | 399.19 | 401.79 | 397.40 | 398.68 | 398.68 | 829,800 |
| 2015-05-21 | 400.24 | 401.65 | 397.97 | 401.15 | 401.15 | 859,000 |
| 2015-05-20 | 394.50 | 403.48 | 391.61 | 401.00 | 401.00 | 1,478,500 |
| 2015-05-19 | 396.01 | 400.11 | 393.96 | 395.17 | 395.17 | 1,347,000 |
| 2015-05-18 | 389.38 | 396.41 | 389.22 | 395.42 | 395.42 | 995,700 |
| 2015-05-15 | 395.00 | 398.19 | 389.08 | 391.24 | 391.24 | 1,442,900 |
| 2015-05-14 | 392.98 | 395.11 | 387.37 | 394.35 | 394.35 | 1,612,600 |
| 2015-05-13 | 396.00 | 398.38 | 388.72 | 390.04 | 390.04 | 1,169,500 |
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.