Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2011-07-18 | 103.65 | 103.99 | 102.36 | 103.75 | 103.75 | 1,367,900 |
| 2011-07-15 | 102.72 | 104.69 | 102.55 | 104.00 | 104.00 | 1,589,900 |
| 2011-07-14 | 105.47 | 106.23 | 103.06 | 103.19 | 103.19 | 1,318,000 |
| 2011-07-13 | 104.73 | 106.20 | 104.05 | 105.31 | 105.31 | 1,524,600 |
| 2011-07-12 | 105.84 | 106.33 | 103.99 | 104.05 | 104.05 | 1,583,400 |
| 2011-07-11 | 106.35 | 107.64 | 104.90 | 105.43 | 105.43 | 1,270,200 |
| 2011-07-08 | 107.04 | 107.56 | 105.82 | 107.39 | 107.39 | 1,726,600 |
| 2011-07-07 | 108.73 | 108.88 | 106.40 | 106.52 | 106.52 | 1,889,900 |
| 2011-07-06 | 106.73 | 108.10 | 106.73 | 107.89 | 107.89 | 1,492,500 |
| 2011-07-05 | 108.62 | 109.14 | 107.56 | 107.91 | 107.91 | 1,337,800 |
| 2011-07-01 | 107.35 | 108.64 | 106.92 | 108.50 | 108.50 | 1,707,400 |
| 2011-06-30 | 109.16 | 109.46 | 106.73 | 106.92 | 106.92 | 1,938,900 |
| 2011-06-29 | 108.48 | 109.63 | 107.61 | 108.98 | 108.98 | 3,775,900 |
| 2011-06-28 | 104.90 | 108.52 | 104.63 | 108.39 | 108.39 | 3,148,200 |
| 2011-06-27 | 102.86 | 104.76 | 102.60 | 104.65 | 104.65 | 3,247,500 |
| 2011-06-24 | 100.03 | 103.53 | 99.600 | 103.42 | 103.42 | 8,324,400 |
| 2011-06-23 | 98.640 | 100.78 | 97.800 | 100.67 | 100.67 | 3,107,500 |
| 2011-06-22 | 99.790 | 100.67 | 98.900 | 99.470 | 99.470 | 5,334,200 |
| 2011-06-21 | 100.54 | 101.83 | 98.280 | 98.650 | 98.650 | 5,583,900 |
| 2011-06-20 | 99.570 | 100.48 | 98.240 | 98.600 | 98.600 | 3,620,400 |
| 2011-06-17 | 94.740 | 96.130 | 94.230 | 94.750 | 94.750 | 3,107,000 |
| 2011-06-16 | 94.100 | 94.580 | 92.640 | 93.530 | 93.530 | 1,274,600 |
| 2011-06-15 | 93.890 | 95.320 | 93.080 | 93.760 | 93.760 | 2,060,600 |
| 2011-06-14 | 92.490 | 95.130 | 92.100 | 94.880 | 94.880 | 2,444,700 |
| 2011-06-13 | 91.230 | 92.320 | 91.080 | 91.780 | 91.780 | 1,047,000 |
| 2011-06-10 | 93.430 | 93.430 | 91.200 | 91.210 | 91.210 | 1,742,500 |
| 2011-06-09 | 93.000 | 94.070 | 92.190 | 93.720 | 93.720 | 1,115,700 |
| 2011-06-08 | 92.340 | 93.280 | 92.120 | 92.800 | 92.800 | 1,132,200 |
| 2011-06-07 | 93.430 | 94.040 | 92.590 | 93.300 | 93.300 | 1,004,400 |
| 2011-06-06 | 93.770 | 94.700 | 93.110 | 93.160 | 93.160 | 1,283,800 |
| 2011-06-03 | 93.960 | 96.080 | 93.520 | 94.400 | 94.400 | 1,366,900 |
| 2011-06-02 | 93.400 | 95.520 | 93.010 | 95.170 | 95.170 | 1,735,000 |
| 2011-06-01 | 94.360 | 94.520 | 93.180 | 93.180 | 93.180 | 2,317,900 |
| 2011-05-31 | 93.960 | 94.780 | 93.080 | 94.730 | 94.730 | 2,377,700 |
| 2011-05-27 | 93.310 | 94.050 | 93.030 | 93.210 | 93.210 | 1,197,400 |
| 2011-05-26 | 93.320 | 93.630 | 92.290 | 93.280 | 93.280 | 1,834,300 |
| 2011-05-25 | 94.540 | 94.760 | 93.170 | 93.670 | 93.670 | 1,531,200 |
| 2011-05-24 | 95.310 | 95.710 | 94.310 | 94.850 | 94.850 | 1,328,000 |
| 2011-05-23 | 96.060 | 96.220 | 94.900 | 95.310 | 95.310 | 1,500,000 |
| 2011-05-20 | 96.800 | 98.250 | 96.800 | 97.110 | 97.110 | 2,741,300 |
| 2011-05-19 | 98.410 | 98.470 | 96.570 | 96.720 | 96.720 | 1,506,400 |
| 2011-05-18 | 97.410 | 97.930 | 96.900 | 97.760 | 97.760 | 1,690,700 |
| 2011-05-17 | 95.530 | 97.910 | 95.530 | 97.570 | 97.570 | 1,978,100 |
| 2011-05-16 | 96.040 | 97.420 | 95.810 | 96.140 | 96.140 | 2,492,900 |
| 2011-05-13 | 98.100 | 98.650 | 96.110 | 96.610 | 96.610 | 1,484,600 |
| 2011-05-12 | 96.360 | 98.480 | 95.640 | 98.240 | 98.240 | 1,800,000 |
| 2011-05-11 | 97.290 | 97.500 | 95.290 | 96.590 | 96.590 | 1,600,000 |
| 2011-05-10 | 98.580 | 98.710 | 96.530 | 97.340 | 97.340 | 1,765,900 |
| 2011-05-09 | 96.310 | 98.930 | 96.000 | 98.100 | 98.100 | 1,766,000 |
| 2011-05-06 | 96.490 | 97.880 | 95.970 | 96.120 | 96.120 | 2,254,300 |
| 2011-05-05 | 95.840 | 97.590 | 95.110 | 95.470 | 95.470 | 1,900,000 |
| 2011-05-04 | 97.560 | 97.970 | 95.080 | 96.480 | 96.480 | 2,619,600 |
| 2011-05-03 | 98.230 | 98.900 | 97.640 | 97.990 | 97.990 | 1,802,800 |
| 2011-05-02 | 97.440 | 99.190 | 96.360 | 98.670 | 98.670 | 2,665,800 |
| 2011-04-29 | 98.890 | 99.310 | 97.140 | 97.650 | 97.650 | 4,231,500 |
| 2011-04-28 | 99.670 | 99.780 | 98.080 | 98.970 | 98.970 | 3,400,000 |
| 2011-04-27 | 102.06 | 102.88 | 98.960 | 99.490 | 99.490 | 3,937,300 |
| 2011-04-26 | 99.780 | 106.19 | 99.400 | 101.80 | 101.80 | 5,200,000 |
| 2011-04-25 | 99.710 | 100.43 | 99.220 | 100.28 | 100.28 | 5,867,200 |
| 2011-04-21 | 100.00 | 106.99 | 99.300 | 99.700 | 99.700 | 16,442,600 |
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.