Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2009-05-28 | 51.250 | 51.590 | 50.220 | 51.100 | 51.100 | 1,851,900 |
| 2009-05-27 | 51.440 | 51.840 | 50.310 | 50.980 | 50.980 | 2,656,300 |
| 2009-05-26 | 49.630 | 51.390 | 49.250 | 51.240 | 51.240 | 3,047,200 |
| 2009-05-22 | 50.730 | 51.290 | 50.240 | 50.390 | 50.390 | 1,285,500 |
| 2009-05-21 | 51.050 | 51.900 | 50.080 | 50.730 | 50.730 | 2,095,000 |
| 2009-05-20 | 51.250 | 52.360 | 50.930 | 51.640 | 51.640 | 3,029,300 |
| 2009-05-19 | 50.360 | 50.990 | 50.120 | 50.830 | 50.830 | 2,575,100 |
| 2009-05-18 | 49.490 | 50.700 | 49.040 | 50.700 | 50.700 | 2,652,800 |
| 2009-05-15 | 48.670 | 49.490 | 48.150 | 49.070 | 49.070 | 2,439,200 |
| 2009-05-14 | 48.830 | 49.720 | 48.520 | 49.000 | 49.000 | 2,634,100 |
| 2009-05-13 | 49.000 | 49.780 | 48.210 | 48.520 | 48.520 | 2,405,600 |
| 2009-05-12 | 49.150 | 49.870 | 48.130 | 49.200 | 49.200 | 2,888,700 |
| 2009-05-11 | 48.000 | 49.370 | 47.400 | 49.140 | 49.140 | 2,430,700 |
| 2009-05-08 | 47.430 | 49.050 | 46.770 | 48.600 | 48.600 | 4,733,500 |
| 2009-05-07 | 46.750 | 47.930 | 46.070 | 47.200 | 47.200 | 4,087,200 |
| 2009-05-06 | 46.720 | 47.210 | 45.500 | 46.710 | 46.710 | 2,822,900 |
| 2009-05-05 | 46.600 | 47.980 | 46.180 | 46.430 | 46.430 | 1,789,500 |
| 2009-05-04 | 46.480 | 47.360 | 46.010 | 46.610 | 46.610 | 2,903,900 |
| 2009-05-01 | 47.650 | 48.300 | 46.000 | 46.260 | 46.260 | 3,139,500 |
| 2009-04-30 | 47.520 | 48.340 | 46.880 | 48.340 | 48.340 | 4,157,200 |
| 2009-04-29 | 48.010 | 48.800 | 47.170 | 47.420 | 47.420 | 4,216,900 |
| 2009-04-28 | 45.960 | 47.670 | 45.910 | 47.330 | 47.330 | 2,850,300 |
| 2009-04-27 | 45.850 | 46.800 | 45.850 | 46.130 | 46.130 | 3,141,400 |
| 2009-04-24 | 46.130 | 46.900 | 45.720 | 46.080 | 46.080 | 4,226,500 |
| 2009-04-23 | 46.490 | 46.690 | 45.700 | 45.980 | 45.980 | 3,254,400 |
| 2009-04-22 | 46.760 | 48.010 | 46.520 | 47.050 | 47.050 | 2,907,400 |
| 2009-04-21 | 48.830 | 48.830 | 46.980 | 47.550 | 47.550 | 2,955,700 |
| 2009-04-20 | 49.250 | 49.500 | 47.900 | 48.350 | 48.350 | 3,989,200 |
| 2009-04-17 | 50.640 | 51.230 | 49.970 | 50.090 | 50.090 | 4,393,100 |
| 2009-04-16 | 52.280 | 52.560 | 50.890 | 51.490 | 51.490 | 3,767,400 |
| 2009-04-15 | 51.010 | 51.770 | 50.300 | 51.180 | 51.180 | 3,366,200 |
| 2009-04-14 | 52.430 | 53.000 | 51.340 | 51.490 | 51.490 | 2,244,300 |
| 2009-04-13 | 52.500 | 53.490 | 52.500 | 52.520 | 52.520 | 1,821,500 |
| 2009-04-09 | 54.150 | 54.240 | 51.600 | 52.960 | 52.960 | 3,857,000 |
| 2009-04-08 | 51.630 | 55.340 | 51.590 | 53.640 | 53.640 | 6,906,000 |
| 2009-04-07 | 49.260 | 53.830 | 48.680 | 52.090 | 52.090 | 9,833,200 |
| 2009-04-06 | 50.010 | 50.310 | 49.060 | 49.630 | 49.630 | 2,328,300 |
| 2009-04-03 | 51.850 | 52.620 | 49.860 | 50.320 | 50.320 | 2,794,600 |
| 2009-04-02 | 52.500 | 52.670 | 51.530 | 52.200 | 52.200 | 2,767,900 |
| 2009-04-01 | 51.470 | 52.090 | 50.700 | 51.880 | 51.880 | 2,904,600 |
| 2009-03-31 | 52.820 | 53.320 | 52.140 | 52.420 | 52.420 | 3,236,200 |
| 2009-03-30 | 52.490 | 53.000 | 51.400 | 52.540 | 52.540 | 4,321,100 |
| 2009-03-27 | 52.720 | 53.340 | 51.770 | 52.280 | 52.280 | 3,642,700 |
| 2009-03-26 | 51.760 | 53.500 | 51.250 | 52.660 | 52.660 | 4,395,700 |
| 2009-03-25 | 51.430 | 52.300 | 50.030 | 51.520 | 51.520 | 3,320,700 |
| 2009-03-24 | 50.920 | 52.120 | 50.380 | 50.850 | 50.850 | 2,608,000 |
| 2009-03-23 | 50.600 | 51.500 | 50.140 | 51.500 | 51.500 | 3,294,400 |
| 2009-03-20 | 51.160 | 51.690 | 49.950 | 49.970 | 49.970 | 4,952,900 |
| 2009-03-19 | 50.360 | 50.720 | 49.570 | 50.620 | 50.620 | 2,880,700 |
| 2009-03-18 | 49.260 | 50.960 | 48.930 | 50.060 | 50.060 | 3,101,400 |
| 2009-03-17 | 47.410 | 49.800 | 47.410 | 49.630 | 49.630 | 3,677,100 |
| 2009-03-16 | 49.310 | 49.310 | 47.250 | 47.580 | 47.580 | 2,668,100 |
| 2009-03-13 | 48.800 | 49.180 | 48.250 | 48.500 | 48.500 | 2,546,700 |
| 2009-03-12 | 45.810 | 49.130 | 45.810 | 48.880 | 48.880 | 2,989,300 |
| 2009-03-11 | 45.830 | 46.870 | 45.350 | 46.090 | 46.090 | 3,730,900 |
| 2009-03-10 | 44.700 | 46.000 | 43.610 | 45.660 | 45.660 | 3,429,800 |
| 2009-03-09 | 43.530 | 45.870 | 43.200 | 43.830 | 43.830 | 3,983,000 |
| 2009-03-06 | 43.600 | 44.370 | 42.920 | 44.230 | 44.230 | 4,499,300 |
| 2009-03-05 | 45.000 | 45.590 | 43.450 | 43.640 | 43.640 | 3,332,900 |
| 2009-03-04 | 45.510 | 46.920 | 44.130 | 46.200 | 46.200 | 3,500,500 |
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.