Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2010-10-28 | 62.600 | 64.920 | 62.260 | 63.850 | 63.850 | 5,739,200 |
| 2010-10-27 | 59.760 | 62.630 | 59.660 | 62.480 | 62.480 | 3,936,800 |
| 2010-10-26 | 59.250 | 60.100 | 58.300 | 59.990 | 59.990 | 3,342,400 |
| 2010-10-25 | 59.130 | 60.190 | 59.010 | 59.900 | 59.900 | 3,173,600 |
| 2010-10-22 | 58.540 | 58.970 | 58.150 | 58.750 | 58.750 | 1,348,600 |
| 2010-10-21 | 58.520 | 58.750 | 57.580 | 58.310 | 58.310 | 1,524,900 |
| 2010-10-20 | 58.020 | 59.210 | 57.730 | 58.660 | 58.660 | 2,185,000 |
| 2010-10-19 | 58.390 | 58.880 | 57.730 | 58.270 | 58.270 | 2,128,900 |
| 2010-10-18 | 57.380 | 58.550 | 57.260 | 58.530 | 58.530 | 1,589,000 |
| 2010-10-15 | 57.240 | 57.670 | 56.670 | 57.660 | 57.660 | 2,364,300 |
| 2010-10-14 | 56.930 | 57.240 | 56.490 | 56.980 | 56.980 | 1,461,500 |
| 2010-10-13 | 56.990 | 57.490 | 56.730 | 57.190 | 57.190 | 1,364,000 |
| 2010-10-12 | 57.060 | 57.100 | 55.980 | 56.930 | 56.930 | 1,753,700 |
| 2010-10-11 | 57.490 | 57.640 | 56.830 | 57.060 | 57.060 | 1,316,300 |
| 2010-10-08 | 57.050 | 58.200 | 56.920 | 57.590 | 57.590 | 2,185,400 |
| 2010-10-07 | 56.630 | 57.380 | 56.220 | 57.240 | 57.240 | 1,490,200 |
| 2010-10-06 | 57.320 | 57.340 | 56.200 | 56.630 | 56.630 | 2,112,700 |
| 2010-10-05 | 56.990 | 57.860 | 56.660 | 57.530 | 57.530 | 2,021,600 |
| 2010-10-04 | 56.750 | 57.490 | 56.410 | 56.660 | 56.660 | 2,498,100 |
| 2010-10-01 | 56.000 | 56.550 | 55.630 | 56.530 | 56.530 | 2,598,400 |
| 2010-09-30 | 55.710 | 56.340 | 55.470 | 56.120 | 56.120 | 2,945,000 |
| 2010-09-29 | 55.480 | 55.740 | 54.930 | 55.360 | 55.360 | 2,482,200 |
| 2010-09-28 | 55.170 | 56.200 | 54.380 | 55.420 | 55.420 | 2,833,700 |
| 2010-09-27 | 56.250 | 56.330 | 54.740 | 54.790 | 54.790 | 2,294,000 |
| 2010-09-24 | 55.770 | 56.780 | 55.660 | 56.420 | 56.420 | 2,946,600 |
| 2010-09-23 | 54.620 | 55.800 | 54.130 | 55.240 | 55.240 | 3,208,000 |
| 2010-09-22 | 54.800 | 56.100 | 54.480 | 54.860 | 54.860 | 8,035,500 |
| 2010-09-21 | 57.640 | 58.280 | 57.210 | 58.230 | 58.230 | 2,373,200 |
| 2010-09-20 | 58.000 | 58.220 | 57.260 | 57.800 | 57.800 | 2,348,000 |
| 2010-09-17 | 57.760 | 58.330 | 57.550 | 57.920 | 57.920 | 3,223,900 |
| 2010-09-16 | 58.370 | 58.640 | 57.450 | 57.670 | 57.670 | 1,809,300 |
| 2010-09-15 | 57.450 | 58.520 | 57.450 | 58.420 | 58.420 | 1,814,000 |
| 2010-09-14 | 57.500 | 58.090 | 57.330 | 57.910 | 57.910 | 1,549,100 |
| 2010-09-13 | 57.850 | 58.000 | 57.470 | 57.810 | 57.810 | 1,464,100 |
| 2010-09-10 | 57.260 | 57.860 | 56.950 | 57.680 | 57.680 | 1,145,300 |
| 2010-09-09 | 57.230 | 57.440 | 56.600 | 57.010 | 57.010 | 2,217,400 |
| 2010-09-08 | 56.300 | 57.270 | 56.280 | 57.150 | 57.150 | 2,202,200 |
| 2010-09-07 | 55.980 | 56.440 | 55.670 | 56.140 | 56.140 | 2,493,000 |
| 2010-09-03 | 55.660 | 56.250 | 55.350 | 56.240 | 56.240 | 1,489,400 |
| 2010-09-02 | 55.230 | 55.490 | 54.660 | 55.250 | 55.250 | 1,358,200 |
| 2010-09-01 | 54.480 | 55.630 | 53.970 | 55.310 | 55.310 | 1,559,900 |
| 2010-08-31 | 53.800 | 54.300 | 53.240 | 53.800 | 53.800 | 2,015,500 |
| 2010-08-30 | 54.320 | 54.830 | 53.760 | 53.920 | 53.920 | 1,325,100 |
| 2010-08-27 | 54.000 | 54.920 | 53.140 | 54.600 | 54.600 | 1,704,400 |
| 2010-08-26 | 55.500 | 55.500 | 53.820 | 53.910 | 53.910 | 2,401,300 |
| 2010-08-25 | 53.680 | 55.730 | 53.590 | 55.370 | 55.370 | 3,220,400 |
| 2010-08-24 | 54.670 | 54.690 | 53.600 | 53.840 | 53.840 | 1,780,600 |
| 2010-08-23 | 55.470 | 56.090 | 54.750 | 54.910 | 54.910 | 1,166,600 |
| 2010-08-20 | 55.170 | 55.670 | 54.520 | 55.380 | 55.380 | 2,368,500 |
| 2010-08-19 | 56.210 | 56.280 | 54.680 | 55.060 | 55.060 | 2,326,000 |
| 2010-08-18 | 56.270 | 57.130 | 55.850 | 56.520 | 56.520 | 1,629,000 |
| 2010-08-17 | 56.250 | 57.380 | 55.880 | 56.910 | 56.910 | 1,954,300 |
| 2010-08-16 | 55.790 | 56.030 | 55.160 | 55.850 | 55.850 | 1,725,400 |
| 2010-08-13 | 56.080 | 56.430 | 55.680 | 55.940 | 55.940 | 2,013,500 |
| 2010-08-12 | 55.140 | 57.060 | 55.140 | 56.610 | 56.610 | 2,313,100 |
| 2010-08-11 | 57.150 | 57.370 | 55.580 | 55.800 | 55.800 | 2,862,600 |
| 2010-08-10 | 57.200 | 58.160 | 56.280 | 57.860 | 57.860 | 1,877,000 |
| 2010-08-09 | 57.880 | 57.880 | 57.210 | 57.580 | 57.580 | 1,382,200 |
| 2010-08-06 | 56.620 | 57.730 | 56.030 | 57.660 | 57.660 | 2,118,100 |
| 2010-08-05 | 57.410 | 57.550 | 56.770 | 57.160 | 57.160 | 1,959,600 |
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.