Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2009-03-03 | 44.980 | 45.390 | 43.000 | 44.610 | 44.610 | 3,045,900 |
| 2009-03-02 | 45.210 | 45.630 | 43.860 | 44.000 | 44.000 | 4,216,400 |
| 2009-02-27 | 47.080 | 47.620 | 45.550 | 46.040 | 46.040 | 5,631,100 |
| 2009-02-26 | 51.480 | 51.480 | 47.440 | 47.690 | 47.690 | 4,007,100 |
| 2009-02-25 | 49.350 | 51.660 | 49.250 | 50.550 | 50.550 | 4,318,800 |
| 2009-02-24 | 49.980 | 50.860 | 47.570 | 49.650 | 49.650 | 6,415,200 |
| 2009-02-23 | 50.810 | 51.000 | 49.340 | 49.380 | 49.380 | 4,099,400 |
| 2009-02-20 | 50.450 | 51.000 | 49.710 | 50.780 | 50.780 | 3,519,000 |
| 2009-02-19 | 50.790 | 51.630 | 50.470 | 50.760 | 50.760 | 2,137,100 |
| 2009-02-18 | 51.300 | 51.390 | 50.340 | 50.860 | 50.860 | 3,469,900 |
| 2009-02-17 | 51.410 | 52.130 | 50.850 | 51.110 | 51.110 | 2,714,700 |
| 2009-02-13 | 52.690 | 53.000 | 51.740 | 52.420 | 52.420 | 1,590,900 |
| 2009-02-12 | 50.480 | 52.610 | 50.340 | 52.610 | 52.610 | 2,460,100 |
| 2009-02-11 | 51.870 | 51.870 | 50.360 | 51.040 | 51.040 | 1,995,300 |
| 2009-02-10 | 51.400 | 52.580 | 50.480 | 50.870 | 50.870 | 2,968,000 |
| 2009-02-09 | 51.280 | 52.240 | 50.500 | 52.160 | 52.160 | 3,742,000 |
| 2009-02-06 | 51.200 | 53.480 | 50.900 | 52.480 | 52.480 | 7,642,400 |
| 2009-02-05 | 51.870 | 53.380 | 51.840 | 53.280 | 53.280 | 4,946,100 |
| 2009-02-04 | 52.260 | 53.660 | 52.080 | 52.750 | 52.750 | 5,722,200 |
| 2009-02-03 | 50.250 | 52.490 | 49.830 | 52.460 | 52.460 | 4,443,100 |
| 2009-02-02 | 48.150 | 50.220 | 48.050 | 50.110 | 50.110 | 3,096,600 |
| 2009-01-30 | 49.150 | 49.700 | 47.940 | 48.650 | 48.650 | 3,397,700 |
| 2009-01-29 | 49.160 | 50.390 | 48.750 | 49.280 | 49.280 | 2,947,300 |
| 2009-01-28 | 49.100 | 51.740 | 48.750 | 49.810 | 49.810 | 4,144,200 |
| 2009-01-27 | 50.040 | 50.200 | 48.790 | 49.270 | 49.270 | 4,394,900 |
| 2009-01-26 | 47.990 | 49.020 | 47.400 | 48.510 | 48.510 | 4,489,700 |
| 2009-01-23 | 48.000 | 48.610 | 46.310 | 47.420 | 47.420 | 7,972,800 |
| 2009-01-22 | 51.190 | 52.170 | 50.500 | 50.880 | 50.880 | 2,959,100 |
| 2009-01-21 | 49.610 | 52.350 | 49.440 | 52.170 | 52.170 | 5,185,000 |
| 2009-01-20 | 51.280 | 51.780 | 49.540 | 49.550 | 49.550 | 4,827,500 |
| 2009-01-16 | 50.190 | 51.360 | 49.600 | 51.050 | 51.050 | 5,976,800 |
| 2009-01-15 | 47.380 | 49.900 | 47.270 | 49.290 | 49.290 | 3,454,000 |
| 2009-01-14 | 49.840 | 49.840 | 48.090 | 48.090 | 48.090 | 3,234,300 |
| 2009-01-13 | 48.320 | 50.340 | 48.320 | 49.630 | 49.630 | 4,576,000 |
| 2009-01-12 | 46.800 | 49.490 | 46.800 | 48.450 | 48.450 | 2,953,300 |
| 2009-01-09 | 47.810 | 49.090 | 47.510 | 48.250 | 48.250 | 3,767,700 |
| 2009-01-08 | 46.210 | 48.050 | 46.130 | 47.950 | 47.950 | 3,235,800 |
| 2009-01-07 | 46.270 | 46.880 | 45.690 | 46.810 | 46.810 | 3,381,300 |
| 2009-01-06 | 47.710 | 48.060 | 46.080 | 46.470 | 46.470 | 3,442,100 |
| 2009-01-05 | 47.470 | 47.650 | 45.430 | 47.440 | 47.440 | 4,439,100 |
| 2009-01-02 | 47.490 | 48.560 | 46.690 | 48.490 | 48.490 | 2,372,900 |
| 2008-12-31 | 47.940 | 48.320 | 47.190 | 47.630 | 47.630 | 2,117,000 |
| 2008-12-30 | 46.950 | 47.990 | 46.500 | 47.680 | 47.680 | 1,632,600 |
| 2008-12-29 | 47.270 | 47.960 | 46.200 | 46.540 | 46.540 | 1,526,100 |
| 2008-12-26 | 47.460 | 47.740 | 47.020 | 47.310 | 47.310 | 591,000 |
| 2008-12-24 | 47.290 | 47.700 | 46.760 | 47.200 | 47.200 | 544,600 |
| 2008-12-23 | 47.810 | 48.740 | 46.840 | 47.050 | 47.050 | 1,668,900 |
| 2008-12-22 | 46.630 | 47.900 | 46.210 | 47.260 | 47.260 | 2,888,700 |
| 2008-12-19 | 48.000 | 48.290 | 46.330 | 46.750 | 46.750 | 6,310,900 |
| 2008-12-18 | 47.860 | 49.280 | 47.350 | 48.010 | 48.010 | 3,434,300 |
| 2008-12-17 | 48.390 | 48.830 | 47.460 | 47.650 | 47.650 | 3,378,100 |
| 2008-12-16 | 46.190 | 49.190 | 46.190 | 49.120 | 49.120 | 4,789,300 |
| 2008-12-15 | 46.200 | 46.870 | 45.620 | 46.180 | 46.180 | 3,876,100 |
| 2008-12-12 | 44.000 | 47.000 | 44.000 | 47.000 | 47.000 | 5,959,100 |
| 2008-12-11 | 47.840 | 48.980 | 46.880 | 47.150 | 47.150 | 2,841,700 |
| 2008-12-10 | 47.090 | 49.070 | 47.030 | 48.050 | 48.050 | 2,993,500 |
| 2008-12-09 | 47.510 | 49.580 | 46.280 | 46.600 | 46.600 | 4,957,300 |
| 2008-12-08 | 44.950 | 48.510 | 44.740 | 48.170 | 48.170 | 6,625,300 |
| 2008-12-05 | 40.300 | 44.450 | 40.300 | 44.250 | 44.250 | 3,706,700 |
| 2008-12-04 | 41.310 | 42.430 | 41.000 | 41.700 | 41.700 | 3,181,900 |
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.