Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2008-09-09 | 47.410 | 48.730 | 46.720 | 46.720 | 46.720 | 4,202,300 |
| 2008-09-08 | 47.860 | 48.620 | 47.110 | 47.500 | 47.500 | 4,589,300 |
| 2008-09-05 | 48.280 | 48.910 | 47.250 | 48.590 | 48.590 | 4,003,800 |
| 2008-09-04 | 49.820 | 50.290 | 48.120 | 48.160 | 48.160 | 5,622,500 |
| 2008-09-03 | 50.380 | 50.730 | 49.790 | 50.170 | 50.170 | 2,897,900 |
| 2008-09-02 | 51.890 | 52.370 | 49.960 | 50.340 | 50.340 | 3,261,700 |
| 2008-08-29 | 51.000 | 51.630 | 50.580 | 50.930 | 50.930 | 2,924,300 |
| 2008-08-28 | 51.040 | 51.620 | 50.630 | 51.330 | 51.330 | 2,983,100 |
| 2008-08-27 | 52.310 | 52.480 | 50.380 | 51.090 | 51.090 | 5,472,400 |
| 2008-08-26 | 54.150 | 54.670 | 51.870 | 52.090 | 52.090 | 4,753,400 |
| 2008-08-25 | 52.340 | 53.640 | 52.000 | 53.480 | 53.480 | 5,144,900 |
| 2008-08-22 | 52.840 | 53.330 | 52.360 | 52.380 | 52.380 | 3,216,100 |
| 2008-08-21 | 54.070 | 54.100 | 52.600 | 53.160 | 53.160 | 2,248,300 |
| 2008-08-20 | 54.400 | 55.160 | 53.560 | 54.100 | 54.100 | 2,418,600 |
| 2008-08-19 | 53.990 | 55.210 | 53.810 | 54.300 | 54.300 | 2,926,400 |
| 2008-08-18 | 54.900 | 55.450 | 54.120 | 54.430 | 54.430 | 3,054,100 |
| 2008-08-15 | 54.860 | 55.240 | 54.010 | 54.650 | 54.650 | 3,912,600 |
| 2008-08-14 | 52.310 | 54.180 | 52.000 | 53.730 | 53.730 | 3,626,800 |
| 2008-08-13 | 52.490 | 52.820 | 51.840 | 52.470 | 52.470 | 3,974,100 |
| 2008-08-12 | 51.250 | 52.420 | 51.010 | 52.210 | 52.210 | 5,337,700 |
| 2008-08-11 | 50.350 | 50.860 | 49.900 | 50.760 | 50.760 | 3,797,500 |
| 2008-08-08 | 49.990 | 50.990 | 49.880 | 49.900 | 49.900 | 3,633,000 |
| 2008-08-07 | 50.130 | 51.700 | 49.760 | 49.880 | 49.880 | 5,472,600 |
| 2008-08-06 | 50.390 | 50.930 | 49.870 | 50.220 | 50.220 | 7,269,500 |
| 2008-08-05 | 50.740 | 51.040 | 50.000 | 50.510 | 50.510 | 7,365,300 |
| 2008-08-04 | 50.970 | 51.370 | 49.640 | 49.740 | 49.740 | 8,889,200 |
| 2008-08-01 | 51.660 | 53.520 | 49.840 | 50.010 | 50.010 | 36,988,100 |
| 2008-07-31 | 72.090 | 73.590 | 69.700 | 69.760 | 69.760 | 8,795,600 |
| 2008-07-30 | 70.340 | 71.500 | 69.630 | 71.270 | 71.270 | 2,794,600 |
| 2008-07-29 | 69.920 | 70.840 | 69.570 | 70.500 | 70.500 | 3,797,400 |
| 2008-07-28 | 69.700 | 70.980 | 69.100 | 69.490 | 69.490 | 3,143,700 |
| 2008-07-25 | 71.050 | 71.050 | 69.480 | 69.500 | 69.500 | 3,511,000 |
| 2008-07-24 | 70.640 | 72.300 | 70.260 | 71.280 | 71.280 | 4,153,600 |
| 2008-07-23 | 71.410 | 72.340 | 70.000 | 71.380 | 71.380 | 5,535,300 |
| 2008-07-22 | 68.450 | 71.760 | 68.450 | 71.280 | 71.280 | 8,678,700 |
| 2008-07-21 | 67.010 | 68.570 | 66.460 | 66.850 | 66.850 | 5,540,800 |
| 2008-07-18 | 62.720 | 65.200 | 62.540 | 64.650 | 64.650 | 4,266,400 |
| 2008-07-17 | 63.680 | 63.930 | 62.450 | 63.000 | 63.000 | 3,452,800 |
| 2008-07-16 | 63.840 | 64.700 | 62.790 | 63.580 | 63.580 | 4,204,100 |
| 2008-07-15 | 61.270 | 64.670 | 60.990 | 63.480 | 63.480 | 5,493,500 |
| 2008-07-14 | 62.310 | 62.990 | 60.890 | 61.020 | 61.020 | 3,167,600 |
| 2008-07-11 | 60.820 | 62.970 | 60.460 | 62.200 | 62.200 | 3,183,700 |
| 2008-07-10 | 61.390 | 62.000 | 60.450 | 60.940 | 60.940 | 4,149,000 |
| 2008-07-09 | 62.700 | 63.050 | 61.030 | 61.030 | 61.030 | 3,433,500 |
| 2008-07-08 | 59.130 | 63.380 | 59.060 | 62.940 | 62.940 | 5,797,300 |
| 2008-07-07 | 58.000 | 59.410 | 57.960 | 58.870 | 58.870 | 3,123,000 |
| 2008-07-03 | 58.160 | 59.910 | 57.570 | 58.200 | 58.200 | 3,255,200 |
| 2008-07-02 | 59.250 | 59.380 | 57.880 | 58.360 | 58.360 | 3,123,600 |
| 2008-07-01 | 56.070 | 59.460 | 55.360 | 59.340 | 59.340 | 5,228,900 |
| 2008-06-30 | 56.640 | 56.950 | 55.680 | 55.890 | 55.890 | 3,224,500 |
| 2008-06-27 | 56.240 | 57.100 | 55.870 | 57.040 | 57.040 | 7,078,100 |
| 2008-06-26 | 57.490 | 57.820 | 56.310 | 56.340 | 56.340 | 2,283,800 |
| 2008-06-25 | 58.270 | 58.960 | 57.130 | 58.120 | 58.120 | 2,407,500 |
| 2008-06-24 | 56.660 | 58.290 | 56.340 | 57.840 | 57.840 | 3,380,300 |
| 2008-06-23 | 57.910 | 58.750 | 56.530 | 56.530 | 56.530 | 3,344,300 |
| 2008-06-20 | 58.930 | 59.370 | 57.500 | 58.010 | 58.010 | 3,891,200 |
| 2008-06-19 | 58.210 | 59.800 | 57.280 | 59.170 | 59.170 | 2,766,800 |
| 2008-06-18 | 58.210 | 59.600 | 57.520 | 58.500 | 58.500 | 2,955,000 |
| 2008-06-17 | 59.480 | 59.710 | 58.330 | 58.350 | 58.350 | 2,063,700 |
| 2008-06-16 | 59.340 | 60.420 | 58.740 | 59.580 | 59.580 | 1,934,700 |
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.