Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2009-08-21 | 49.450 | 50.430 | 49.160 | 49.970 | 49.970 | 2,238,200 |
| 2009-08-20 | 49.050 | 49.850 | 48.930 | 49.570 | 49.570 | 1,777,300 |
| 2009-08-19 | 48.110 | 49.130 | 47.910 | 49.030 | 49.030 | 2,245,100 |
| 2009-08-18 | 48.100 | 48.550 | 47.850 | 48.350 | 48.350 | 1,981,400 |
| 2009-08-17 | 48.340 | 48.630 | 47.900 | 48.250 | 48.250 | 2,010,200 |
| 2009-08-14 | 48.670 | 48.870 | 47.770 | 48.780 | 48.780 | 2,125,500 |
| 2009-08-13 | 49.040 | 49.450 | 48.700 | 48.920 | 48.920 | 2,654,900 |
| 2009-08-12 | 47.700 | 49.440 | 47.510 | 49.000 | 49.000 | 3,684,400 |
| 2009-08-11 | 47.590 | 48.090 | 47.490 | 47.810 | 47.810 | 1,746,400 |
| 2009-08-10 | 47.290 | 48.000 | 47.040 | 47.930 | 47.930 | 1,929,400 |
| 2009-08-07 | 46.810 | 47.750 | 46.810 | 47.280 | 47.280 | 1,600,300 |
| 2009-08-06 | 47.580 | 47.600 | 46.390 | 46.650 | 46.650 | 2,779,000 |
| 2009-08-05 | 48.550 | 48.610 | 47.490 | 47.620 | 47.620 | 2,298,600 |
| 2009-08-04 | 47.970 | 48.720 | 47.840 | 48.610 | 48.610 | 1,675,200 |
| 2009-08-03 | 47.470 | 48.400 | 47.220 | 48.360 | 48.360 | 2,462,000 |
| 2009-07-31 | 47.490 | 48.390 | 47.450 | 47.550 | 47.550 | 2,568,600 |
| 2009-07-30 | 48.890 | 48.940 | 47.290 | 47.360 | 47.360 | 3,567,000 |
| 2009-07-29 | 48.700 | 49.070 | 47.820 | 48.120 | 48.120 | 3,228,100 |
| 2009-07-28 | 49.140 | 49.760 | 48.740 | 49.020 | 49.020 | 2,422,700 |
| 2009-07-27 | 48.600 | 49.540 | 48.490 | 49.210 | 49.210 | 2,140,300 |
| 2009-07-24 | 48.600 | 49.010 | 47.830 | 48.980 | 48.980 | 1,589,300 |
| 2009-07-23 | 46.970 | 48.990 | 46.750 | 48.590 | 48.590 | 3,743,300 |
| 2009-07-22 | 47.720 | 47.720 | 46.520 | 46.860 | 46.860 | 2,409,900 |
| 2009-07-21 | 46.940 | 47.840 | 46.480 | 47.760 | 47.760 | 2,763,100 |
| 2009-07-20 | 46.130 | 47.230 | 45.950 | 46.920 | 46.920 | 4,685,600 |
| 2009-07-17 | 46.750 | 47.180 | 45.870 | 46.070 | 46.070 | 3,379,300 |
| 2009-07-16 | 47.770 | 48.300 | 46.720 | 47.100 | 47.100 | 4,984,800 |
| 2009-07-15 | 46.190 | 46.740 | 46.010 | 46.670 | 46.670 | 3,611,400 |
| 2009-07-14 | 46.620 | 47.270 | 45.690 | 45.940 | 45.940 | 4,111,200 |
| 2009-07-13 | 45.010 | 46.480 | 44.900 | 46.160 | 46.160 | 3,634,000 |
| 2009-07-10 | 45.130 | 45.800 | 44.530 | 44.750 | 44.750 | 3,146,400 |
| 2009-07-09 | 45.070 | 45.800 | 44.670 | 45.430 | 45.430 | 2,509,200 |
| 2009-07-08 | 45.000 | 45.550 | 44.740 | 44.860 | 44.860 | 3,458,200 |
| 2009-07-07 | 45.080 | 45.250 | 44.410 | 44.490 | 44.490 | 2,638,100 |
| 2009-07-06 | 44.880 | 45.400 | 44.580 | 45.220 | 45.220 | 2,731,900 |
| 2009-07-02 | 46.710 | 47.220 | 44.800 | 45.000 | 45.000 | 5,113,000 |
| 2009-07-01 | 45.330 | 47.410 | 45.330 | 46.770 | 46.770 | 5,721,100 |
| 2009-06-30 | 47.140 | 47.140 | 44.560 | 45.150 | 45.150 | 8,872,800 |
| 2009-06-29 | 47.830 | 48.300 | 46.300 | 47.320 | 47.320 | 7,032,100 |
| 2009-06-26 | 49.710 | 50.230 | 49.540 | 50.070 | 50.070 | 2,281,900 |
| 2009-06-25 | 49.130 | 50.130 | 48.610 | 49.990 | 49.990 | 2,303,000 |
| 2009-06-24 | 48.710 | 49.490 | 48.250 | 49.230 | 49.230 | 2,412,600 |
| 2009-06-23 | 49.430 | 49.580 | 48.500 | 48.730 | 48.730 | 2,417,800 |
| 2009-06-22 | 50.640 | 51.040 | 48.590 | 49.100 | 49.100 | 4,710,100 |
| 2009-06-19 | 52.490 | 52.880 | 51.400 | 51.670 | 51.670 | 4,628,800 |
| 2009-06-18 | 52.620 | 52.620 | 51.390 | 51.990 | 51.990 | 1,704,100 |
| 2009-06-17 | 51.000 | 52.620 | 50.490 | 51.820 | 51.820 | 2,347,000 |
| 2009-06-16 | 50.350 | 51.390 | 50.040 | 50.890 | 50.890 | 2,247,700 |
| 2009-06-15 | 50.440 | 50.730 | 49.610 | 50.190 | 50.190 | 2,846,400 |
| 2009-06-12 | 51.150 | 51.660 | 50.800 | 51.380 | 51.380 | 1,826,600 |
| 2009-06-11 | 51.740 | 52.170 | 50.930 | 51.460 | 51.460 | 2,735,500 |
| 2009-06-10 | 51.750 | 52.770 | 51.280 | 51.620 | 51.620 | 2,058,100 |
| 2009-06-09 | 52.200 | 52.830 | 51.770 | 52.380 | 52.380 | 1,803,100 |
| 2009-06-08 | 52.370 | 52.640 | 51.410 | 51.830 | 51.830 | 1,856,300 |
| 2009-06-05 | 53.210 | 53.440 | 50.290 | 52.120 | 52.120 | 3,439,300 |
| 2009-06-04 | 53.400 | 54.000 | 53.020 | 53.150 | 53.150 | 2,822,600 |
| 2009-06-03 | 52.160 | 54.500 | 51.630 | 53.430 | 53.430 | 3,815,500 |
| 2009-06-02 | 50.470 | 52.990 | 50.450 | 52.320 | 52.320 | 3,177,500 |
| 2009-06-01 | 52.250 | 52.300 | 50.630 | 50.900 | 50.900 | 2,414,100 |
| 2009-05-29 | 51.070 | 51.790 | 50.480 | 51.790 | 51.790 | 2,073,000 |
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.