Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2012-01-06 | 115.00 | 116.74 | 114.49 | 115.50 | 115.50 | 1,763,300 |
| 2012-01-05 | 113.75 | 115.95 | 113.25 | 115.26 | 115.26 | 2,312,300 |
| 2012-01-04 | 113.70 | 114.29 | 112.71 | 113.72 | 113.72 | 1,417,800 |
| 2012-01-03 | 111.44 | 115.01 | 111.44 | 113.50 | 113.50 | 1,990,800 |
| 2011-12-30 | 110.41 | 111.09 | 110.05 | 110.05 | 110.05 | 938,200 |
| 2011-12-29 | 110.19 | 110.76 | 109.22 | 110.64 | 110.64 | 1,100,500 |
| 2011-12-28 | 111.53 | 111.95 | 109.72 | 110.20 | 110.20 | 844,900 |
| 2011-12-27 | 110.41 | 112.36 | 110.41 | 111.32 | 111.32 | 772,200 |
| 2011-12-23 | 111.45 | 111.45 | 110.17 | 110.79 | 110.79 | 736,200 |
| 2011-12-22 | 111.33 | 111.93 | 110.04 | 110.69 | 110.69 | 876,500 |
| 2011-12-21 | 110.51 | 111.96 | 110.48 | 111.49 | 111.49 | 2,061,700 |
| 2011-12-20 | 111.53 | 112.33 | 110.52 | 110.73 | 110.73 | 2,222,000 |
| 2011-12-19 | 110.88 | 112.93 | 109.80 | 109.99 | 109.99 | 1,516,300 |
| 2011-12-16 | 110.66 | 111.59 | 109.85 | 110.29 | 110.29 | 1,910,100 |
| 2011-12-15 | 110.22 | 110.65 | 109.05 | 109.73 | 109.73 | 1,321,800 |
| 2011-12-14 | 109.79 | 111.60 | 109.16 | 109.63 | 109.63 | 1,498,200 |
| 2011-12-13 | 110.86 | 112.04 | 109.94 | 110.09 | 110.09 | 1,186,900 |
| 2011-12-12 | 111.72 | 111.73 | 109.83 | 110.39 | 110.39 | 1,007,900 |
| 2011-12-09 | 109.94 | 113.49 | 109.64 | 112.95 | 112.95 | 1,343,400 |
| 2011-12-08 | 111.32 | 111.90 | 109.52 | 109.71 | 109.71 | 855,800 |
| 2011-12-07 | 111.72 | 112.43 | 110.01 | 111.76 | 111.76 | 1,004,200 |
| 2011-12-06 | 112.31 | 112.89 | 111.32 | 112.14 | 112.14 | 940,200 |
| 2011-12-05 | 114.86 | 114.99 | 111.64 | 111.79 | 111.79 | 1,554,700 |
| 2011-12-02 | 117.06 | 117.55 | 112.71 | 113.24 | 113.24 | 1,704,800 |
| 2011-12-01 | 114.95 | 116.50 | 114.19 | 116.48 | 116.48 | 1,326,500 |
| 2011-11-30 | 112.77 | 115.10 | 112.21 | 114.95 | 114.95 | 1,879,300 |
| 2011-11-29 | 110.80 | 111.28 | 110.04 | 110.41 | 110.41 | 1,583,600 |
| 2011-11-28 | 111.15 | 111.43 | 110.21 | 111.05 | 111.05 | 1,788,500 |
| 2011-11-25 | 108.90 | 110.24 | 108.90 | 109.20 | 109.20 | 864,800 |
| 2011-11-23 | 112.38 | 113.38 | 109.93 | 109.93 | 109.93 | 1,995,700 |
| 2011-11-22 | 107.68 | 113.71 | 107.41 | 113.50 | 113.50 | 2,597,500 |
| 2011-11-21 | 107.18 | 108.78 | 106.31 | 107.89 | 107.89 | 1,653,700 |
| 2011-11-18 | 109.28 | 109.28 | 107.40 | 107.65 | 107.65 | 1,889,800 |
| 2011-11-17 | 109.85 | 111.01 | 108.45 | 109.63 | 109.63 | 1,680,200 |
| 2011-11-16 | 112.22 | 112.50 | 110.20 | 110.29 | 110.29 | 1,480,200 |
| 2011-11-15 | 113.23 | 113.92 | 112.33 | 113.07 | 113.07 | 1,309,100 |
| 2011-11-14 | 112.57 | 114.15 | 112.02 | 113.94 | 113.94 | 1,295,400 |
| 2011-11-11 | 113.05 | 114.22 | 112.86 | 113.38 | 113.38 | 1,122,000 |
| 2011-11-10 | 112.38 | 113.07 | 111.24 | 112.08 | 112.08 | 1,587,400 |
| 2011-11-09 | 112.04 | 113.50 | 110.71 | 111.24 | 111.24 | 1,751,600 |
| 2011-11-08 | 114.22 | 114.93 | 112.46 | 113.92 | 113.92 | 1,158,700 |
| 2011-11-07 | 113.26 | 114.60 | 112.25 | 114.01 | 114.01 | 1,266,100 |
| 2011-11-04 | 113.53 | 114.04 | 112.09 | 113.49 | 113.49 | 1,591,200 |
| 2011-11-03 | 114.29 | 114.86 | 113.20 | 114.05 | 114.05 | 2,775,500 |
| 2011-11-02 | 114.94 | 115.30 | 112.49 | 113.43 | 113.43 | 2,341,600 |
| 2011-11-01 | 114.37 | 115.50 | 113.27 | 113.96 | 113.96 | 2,724,500 |
| 2011-10-31 | 118.72 | 119.34 | 116.33 | 116.36 | 116.36 | 3,357,900 |
| 2011-10-28 | 117.74 | 120.66 | 116.55 | 118.72 | 118.72 | 2,143,300 |
| 2011-10-27 | 118.50 | 118.70 | 114.87 | 117.74 | 117.74 | 3,483,400 |
| 2011-10-26 | 115.93 | 119.75 | 114.28 | 116.92 | 116.92 | 5,169,800 |
| 2011-10-25 | 109.46 | 109.85 | 106.60 | 106.87 | 106.87 | 2,103,700 |
| 2011-10-24 | 108.63 | 109.96 | 106.93 | 109.52 | 109.52 | 2,287,800 |
| 2011-10-21 | 104.71 | 108.96 | 103.74 | 108.84 | 108.84 | 4,402,500 |
| 2011-10-20 | 102.76 | 104.25 | 99.080 | 101.67 | 101.67 | 1,608,300 |
| 2011-10-19 | 103.08 | 103.96 | 101.37 | 102.08 | 102.08 | 1,646,300 |
| 2011-10-18 | 101.66 | 103.08 | 100.53 | 102.64 | 102.64 | 1,345,400 |
| 2011-10-17 | 102.48 | 103.07 | 101.12 | 101.43 | 101.43 | 1,230,600 |
| 2011-10-14 | 102.05 | 103.10 | 99.710 | 103.08 | 103.08 | 2,081,400 |
| 2011-10-13 | 98.460 | 102.31 | 98.110 | 101.32 | 101.32 | 2,194,800 |
| 2011-10-12 | 99.110 | 101.44 | 98.540 | 98.760 | 98.760 | 1,916,200 |
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.