Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2010-02-12 | 55.080 | 55.800 | 54.720 | 55.210 | 55.210 | 2,954,300 |
| 2010-02-11 | 54.120 | 55.920 | 53.920 | 55.690 | 55.690 | 2,824,200 |
| 2010-02-10 | 54.200 | 54.910 | 54.070 | 54.390 | 54.390 | 2,562,700 |
| 2010-02-09 | 53.880 | 54.880 | 53.330 | 54.090 | 54.090 | 2,965,000 |
| 2010-02-08 | 53.540 | 53.560 | 52.470 | 52.840 | 52.840 | 2,852,400 |
| 2010-02-05 | 53.140 | 53.700 | 52.230 | 53.530 | 53.530 | 3,638,700 |
| 2010-02-04 | 54.170 | 54.460 | 52.990 | 53.100 | 53.100 | 2,799,600 |
| 2010-02-03 | 54.520 | 54.810 | 54.030 | 54.600 | 54.600 | 2,155,700 |
| 2010-02-02 | 53.760 | 54.950 | 53.240 | 54.940 | 54.940 | 2,178,500 |
| 2010-02-01 | 53.410 | 53.930 | 52.980 | 53.910 | 53.910 | 2,481,700 |
| 2010-01-29 | 53.310 | 53.910 | 53.010 | 53.740 | 53.740 | 3,127,900 |
| 2010-01-28 | 54.280 | 54.510 | 52.600 | 53.270 | 53.270 | 3,314,100 |
| 2010-01-27 | 52.470 | 53.620 | 52.370 | 53.580 | 53.580 | 2,963,800 |
| 2010-01-26 | 52.520 | 53.110 | 52.160 | 53.000 | 53.000 | 2,346,700 |
| 2010-01-25 | 53.220 | 53.500 | 52.170 | 52.670 | 52.670 | 2,265,300 |
| 2010-01-22 | 53.190 | 53.710 | 52.600 | 53.060 | 53.060 | 3,167,800 |
| 2010-01-21 | 54.530 | 54.530 | 52.670 | 53.210 | 53.210 | 4,731,200 |
| 2010-01-20 | 55.040 | 55.370 | 54.010 | 54.720 | 54.720 | 2,634,100 |
| 2010-01-19 | 54.290 | 55.310 | 54.290 | 55.230 | 55.230 | 2,941,500 |
| 2010-01-15 | 54.060 | 54.850 | 53.780 | 54.180 | 54.180 | 2,997,200 |
| 2010-01-14 | 53.810 | 54.360 | 53.590 | 54.360 | 54.360 | 1,769,900 |
| 2010-01-13 | 53.330 | 54.330 | 52.960 | 54.080 | 54.080 | 2,130,600 |
| 2010-01-12 | 53.660 | 54.030 | 52.940 | 53.250 | 53.250 | 3,242,900 |
| 2010-01-11 | 54.100 | 54.350 | 53.530 | 53.900 | 53.900 | 1,813,300 |
| 2010-01-08 | 53.000 | 54.330 | 52.810 | 54.080 | 54.080 | 2,996,300 |
| 2010-01-07 | 53.230 | 53.500 | 52.460 | 52.990 | 52.990 | 3,659,900 |
| 2010-01-06 | 53.100 | 53.700 | 52.800 | 53.430 | 53.430 | 5,555,800 |
| 2010-01-05 | 54.720 | 55.000 | 53.000 | 53.380 | 53.380 | 4,899,400 |
| 2010-01-04 | 53.970 | 53.970 | 53.600 | 53.640 | 53.640 | 2,469,700 |
| 2009-12-31 | 53.810 | 53.830 | 53.310 | 53.500 | 53.500 | 1,680,400 |
| 2009-12-30 | 53.350 | 54.000 | 53.150 | 53.700 | 53.700 | 1,861,000 |
| 2009-12-29 | 53.370 | 53.560 | 53.090 | 53.400 | 53.400 | 2,020,000 |
| 2009-12-28 | 52.160 | 53.290 | 52.160 | 53.270 | 53.270 | 2,181,900 |
| 2009-12-24 | 52.220 | 52.500 | 51.910 | 52.240 | 52.240 | 630,900 |
| 2009-12-23 | 52.490 | 52.770 | 52.160 | 52.160 | 52.160 | 3,345,000 |
| 2009-12-22 | 51.090 | 52.630 | 51.020 | 52.320 | 52.320 | 4,175,900 |
| 2009-12-21 | 50.210 | 51.250 | 50.210 | 51.090 | 51.090 | 3,636,100 |
| 2009-12-18 | 49.520 | 50.450 | 49.310 | 50.070 | 50.070 | 6,382,400 |
| 2009-12-17 | 50.000 | 50.070 | 49.110 | 49.450 | 49.450 | 3,977,200 |
| 2009-12-16 | 49.490 | 50.470 | 49.310 | 50.250 | 50.250 | 4,815,200 |
| 2009-12-15 | 48.940 | 49.560 | 48.340 | 49.430 | 49.430 | 3,072,800 |
| 2009-12-14 | 48.750 | 49.250 | 48.750 | 48.870 | 48.870 | 2,715,400 |
| 2009-12-11 | 48.330 | 48.930 | 48.170 | 48.650 | 48.650 | 2,581,500 |
| 2009-12-10 | 48.110 | 48.660 | 48.110 | 48.260 | 48.260 | 2,182,800 |
| 2009-12-09 | 47.900 | 48.260 | 47.550 | 48.170 | 48.170 | 2,942,600 |
| 2009-12-08 | 47.950 | 48.250 | 47.460 | 48.060 | 48.060 | 2,831,400 |
| 2009-12-07 | 47.960 | 48.450 | 47.820 | 48.300 | 48.300 | 2,471,600 |
| 2009-12-04 | 47.630 | 48.300 | 47.520 | 48.180 | 48.180 | 2,882,900 |
| 2009-12-03 | 47.640 | 47.950 | 47.290 | 47.380 | 47.380 | 2,436,800 |
| 2009-12-02 | 47.910 | 48.320 | 47.470 | 47.740 | 47.740 | 2,629,800 |
| 2009-12-01 | 47.100 | 48.000 | 46.940 | 47.840 | 47.840 | 2,296,700 |
| 2009-11-30 | 47.400 | 47.590 | 46.930 | 46.940 | 46.940 | 3,450,600 |
| 2009-11-27 | 46.440 | 47.710 | 46.110 | 46.920 | 46.920 | 1,476,200 |
| 2009-11-25 | 47.260 | 47.700 | 47.180 | 47.450 | 47.450 | 1,477,700 |
| 2009-11-24 | 47.010 | 47.490 | 46.790 | 47.380 | 47.380 | 3,118,800 |
| 2009-11-23 | 46.670 | 47.200 | 46.350 | 46.790 | 46.790 | 2,437,600 |
| 2009-11-20 | 45.600 | 46.520 | 45.560 | 46.380 | 46.380 | 2,829,100 |
| 2009-11-19 | 46.100 | 46.300 | 45.540 | 45.850 | 45.850 | 3,073,600 |
| 2009-11-18 | 45.950 | 46.330 | 45.680 | 46.160 | 46.160 | 2,593,800 |
| 2009-11-17 | 46.230 | 46.410 | 45.880 | 46.050 | 46.050 | 4,285,700 |
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.