Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2015-05-12 | 393.20 | 397.78 | 389.00 | 395.30 | 395.30 | 1,142,500 |
| 2015-05-11 | 403.20 | 404.00 | 395.00 | 396.91 | 396.91 | 1,574,400 |
| 2015-05-08 | 390.88 | 399.50 | 390.03 | 398.43 | 398.43 | 2,037,800 |
| 2015-05-07 | 384.00 | 388.07 | 380.61 | 383.29 | 383.29 | 1,298,100 |
| 2015-05-06 | 387.25 | 389.99 | 380.41 | 383.56 | 383.56 | 1,279,700 |
| 2015-05-05 | 385.00 | 388.45 | 381.00 | 385.80 | 385.80 | 1,594,800 |
| 2015-05-04 | 389.45 | 393.89 | 384.75 | 386.22 | 386.22 | 1,456,400 |
| 2015-05-01 | 377.52 | 388.14 | 377.52 | 386.22 | 386.22 | 2,737,400 |
| 2015-04-30 | 380.89 | 383.83 | 368.88 | 373.93 | 373.93 | 2,685,900 |
| 2015-04-29 | 377.97 | 388.45 | 376.00 | 383.78 | 383.78 | 3,255,600 |
| 2015-04-28 | 388.80 | 391.87 | 374.36 | 374.68 | 374.68 | 4,923,900 |
| 2015-04-27 | 401.75 | 403.45 | 388.08 | 389.27 | 389.27 | 3,432,000 |
| 2015-04-24 | 410.00 | 410.87 | 395.00 | 401.71 | 401.71 | 6,084,400 |
| 2015-04-23 | 423.00 | 431.84 | 421.00 | 430.28 | 430.28 | 1,938,200 |
| 2015-04-22 | 423.88 | 425.96 | 418.55 | 423.57 | 423.57 | 1,298,200 |
| 2015-04-21 | 425.19 | 426.17 | 420.17 | 422.11 | 422.11 | 1,224,600 |
| 2015-04-20 | 424.66 | 424.77 | 419.00 | 422.92 | 422.92 | 1,183,300 |
| 2015-04-17 | 424.00 | 426.99 | 416.84 | 419.44 | 419.44 | 1,837,600 |
| 2015-04-16 | 428.14 | 432.88 | 428.00 | 428.65 | 428.65 | 1,109,000 |
| 2015-04-15 | 430.76 | 432.74 | 424.57 | 430.96 | 430.96 | 2,038,100 |
| 2015-04-14 | 423.99 | 426.48 | 417.71 | 423.57 | 423.57 | 1,365,100 |
| 2015-04-13 | 426.70 | 432.47 | 422.52 | 423.36 | 423.36 | 1,263,300 |
| 2015-04-10 | 426.16 | 428.83 | 420.50 | 425.65 | 425.65 | 1,063,000 |
| 2015-04-09 | 424.60 | 431.78 | 419.48 | 426.63 | 426.63 | 1,340,900 |
| 2015-04-08 | 419.30 | 427.51 | 418.10 | 425.36 | 425.36 | 1,540,100 |
| 2015-04-07 | 415.50 | 425.37 | 415.13 | 418.09 | 418.09 | 1,571,900 |
| 2015-04-06 | 408.75 | 420.09 | 408.21 | 413.42 | 413.42 | 1,873,800 |
| 2015-04-02 | 415.40 | 416.48 | 410.64 | 412.44 | 412.44 | 1,700,700 |
| 2015-04-01 | 423.20 | 423.47 | 407.55 | 413.81 | 413.81 | 2,709,200 |
| 2015-03-31 | 430.16 | 433.98 | 422.10 | 422.24 | 422.24 | 1,808,700 |
| 2015-03-30 | 433.68 | 437.00 | 428.60 | 431.62 | 431.62 | 1,600,100 |
| 2015-03-27 | 430.12 | 436.67 | 429.36 | 429.87 | 429.87 | 1,859,200 |
| 2015-03-26 | 427.80 | 432.88 | 420.41 | 428.93 | 428.93 | 3,353,800 |
| 2015-03-25 | 449.06 | 450.25 | 431.39 | 431.63 | 431.63 | 3,743,700 |
| 2015-03-24 | 462.99 | 467.64 | 452.01 | 452.71 | 452.71 | 2,481,400 |
| 2015-03-23 | 466.07 | 474.00 | 460.50 | 463.73 | 463.73 | 3,712,600 |
| 2015-03-20 | 475.92 | 480.18 | 456.06 | 475.98 | 475.98 | 10,643,200 |
| 2015-03-19 | 434.80 | 439.90 | 431.33 | 433.65 | 433.65 | 2,471,900 |
| 2015-03-18 | 425.00 | 431.00 | 417.05 | 427.93 | 427.93 | 2,030,300 |
| 2015-03-17 | 420.10 | 426.48 | 417.50 | 426.12 | 426.12 | 1,968,900 |
| 2015-03-16 | 415.46 | 422.37 | 414.22 | 421.32 | 421.32 | 1,564,500 |
| 2015-03-13 | 407.09 | 416.70 | 407.09 | 413.35 | 413.35 | 1,744,700 |
| 2015-03-12 | 411.49 | 411.49 | 406.02 | 407.64 | 407.64 | 1,553,200 |
| 2015-03-11 | 415.31 | 416.24 | 407.51 | 408.11 | 408.11 | 1,426,100 |
| 2015-03-10 | 409.67 | 420.44 | 409.61 | 414.20 | 414.20 | 1,400,700 |
| 2015-03-09 | 417.23 | 417.65 | 411.60 | 415.51 | 415.51 | 1,516,100 |
| 2015-03-06 | 424.23 | 424.23 | 416.24 | 417.63 | 417.63 | 1,643,700 |
| 2015-03-05 | 417.42 | 425.70 | 417.09 | 425.61 | 425.61 | 1,846,200 |
| 2015-03-04 | 410.95 | 417.18 | 406.10 | 414.13 | 414.13 | 1,523,000 |
| 2015-03-03 | 415.00 | 415.17 | 407.12 | 412.79 | 412.79 | 1,235,300 |
| 2015-03-02 | 410.67 | 416.82 | 406.40 | 415.79 | 415.79 | 1,347,300 |
| 2015-02-27 | 410.23 | 411.31 | 405.80 | 409.59 | 409.59 | 1,371,000 |
| 2015-02-26 | 408.82 | 411.77 | 406.07 | 410.10 | 410.10 | 863,800 |
| 2015-02-25 | 405.32 | 412.02 | 400.57 | 408.94 | 408.94 | 1,114,100 |
| 2015-02-24 | 410.25 | 410.74 | 402.83 | 404.89 | 404.89 | 855,200 |
| 2015-02-23 | 408.25 | 411.32 | 406.23 | 408.58 | 408.58 | 954,400 |
| 2015-02-20 | 406.40 | 409.03 | 403.36 | 408.05 | 408.05 | 945,900 |
| 2015-02-19 | 401.04 | 408.24 | 400.56 | 406.73 | 406.73 | 1,143,500 |
| 2015-02-18 | 396.83 | 401.87 | 396.52 | 401.12 | 401.12 | 782,800 |
| 2015-02-17 | 389.11 | 402.29 | 388.67 | 397.91 | 397.91 | 1,321,100 |
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.