Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2013-03-20 | 177.06 | 178.41 | 176.64 | 178.10 | 178.10 | 830,800 |
| 2013-03-19 | 175.78 | 177.55 | 174.72 | 175.61 | 175.61 | 1,236,400 |
| 2013-03-18 | 174.81 | 176.74 | 174.53 | 175.52 | 175.52 | 871,000 |
| 2013-03-15 | 175.96 | 178.18 | 175.76 | 176.78 | 176.78 | 2,049,500 |
| 2013-03-14 | 176.20 | 177.91 | 175.91 | 176.78 | 176.78 | 1,041,800 |
| 2013-03-13 | 175.62 | 176.34 | 174.23 | 176.15 | 176.15 | 1,191,500 |
| 2013-03-12 | 174.44 | 176.47 | 173.81 | 176.05 | 176.05 | 1,944,700 |
| 2013-03-11 | 171.85 | 174.21 | 171.42 | 174.14 | 174.14 | 1,092,200 |
| 2013-03-08 | 172.41 | 172.99 | 171.22 | 172.38 | 172.38 | 1,165,600 |
| 2013-03-07 | 172.44 | 173.00 | 171.00 | 171.47 | 171.47 | 968,900 |
| 2013-03-06 | 171.54 | 172.58 | 169.99 | 172.45 | 172.45 | 1,074,000 |
| 2013-03-05 | 170.08 | 173.72 | 170.05 | 171.31 | 171.31 | 1,371,200 |
| 2013-03-04 | 167.64 | 170.02 | 165.98 | 169.96 | 169.96 | 1,230,100 |
| 2013-03-01 | 165.30 | 171.11 | 164.45 | 168.70 | 168.70 | 1,710,900 |
| 2013-02-28 | 165.60 | 168.69 | 164.62 | 166.34 | 166.34 | 1,212,200 |
| 2013-02-27 | 163.00 | 167.23 | 162.74 | 166.06 | 166.06 | 1,034,600 |
| 2013-02-26 | 160.65 | 163.52 | 160.42 | 161.99 | 161.99 | 1,381,100 |
| 2013-02-25 | 164.09 | 166.95 | 161.25 | 161.36 | 161.36 | 1,215,800 |
| 2013-02-22 | 163.14 | 164.67 | 162.69 | 164.40 | 164.40 | 746,700 |
| 2013-02-21 | 164.80 | 165.47 | 161.97 | 162.60 | 162.60 | 1,162,500 |
| 2013-02-20 | 166.77 | 168.55 | 164.72 | 164.77 | 164.77 | 1,540,500 |
| 2013-02-19 | 168.67 | 168.90 | 165.79 | 166.81 | 166.81 | 1,127,700 |
| 2013-02-15 | 165.34 | 169.07 | 164.40 | 168.74 | 168.74 | 1,934,000 |
| 2013-02-14 | 165.67 | 165.77 | 163.45 | 164.59 | 164.59 | 1,203,600 |
| 2013-02-13 | 163.39 | 167.29 | 163.34 | 165.91 | 165.91 | 1,378,100 |
| 2013-02-12 | 163.98 | 165.94 | 163.32 | 165.45 | 165.45 | 1,079,900 |
| 2013-02-11 | 164.51 | 165.28 | 163.05 | 163.96 | 163.96 | 1,036,200 |
| 2013-02-08 | 163.57 | 165.80 | 162.32 | 164.44 | 164.44 | 1,164,000 |
| 2013-02-07 | 161.54 | 162.03 | 158.75 | 160.30 | 160.30 | 1,193,200 |
| 2013-02-06 | 165.55 | 167.35 | 160.61 | 160.98 | 160.98 | 2,857,700 |
| 2013-02-05 | 156.31 | 157.66 | 155.55 | 157.36 | 157.36 | 830,100 |
| 2013-02-04 | 156.15 | 157.27 | 155.10 | 155.73 | 155.73 | 1,205,600 |
| 2013-02-01 | 157.28 | 158.39 | 155.16 | 157.30 | 157.30 | 1,162,000 |
| 2013-01-31 | 154.50 | 156.87 | 154.04 | 156.08 | 156.08 | 1,337,000 |
| 2013-01-30 | 153.54 | 156.08 | 152.92 | 155.08 | 155.08 | 1,719,000 |
| 2013-01-29 | 149.66 | 154.96 | 149.63 | 153.92 | 153.92 | 2,203,500 |
| 2013-01-28 | 149.64 | 156.94 | 147.77 | 149.99 | 149.99 | 2,993,000 |
| 2013-01-25 | 146.94 | 147.49 | 144.55 | 146.20 | 146.20 | 1,183,000 |
| 2013-01-24 | 144.98 | 146.57 | 144.81 | 146.41 | 146.41 | 2,116,100 |
| 2013-01-23 | 144.66 | 145.37 | 143.33 | 143.55 | 143.55 | 1,110,200 |
| 2013-01-22 | 144.00 | 145.00 | 143.18 | 144.86 | 144.86 | 1,395,800 |
| 2013-01-18 | 143.57 | 144.68 | 143.16 | 144.28 | 144.28 | 1,838,400 |
| 2013-01-17 | 143.00 | 144.18 | 142.53 | 143.72 | 143.72 | 1,499,700 |
| 2013-01-16 | 142.82 | 143.30 | 141.76 | 142.82 | 142.82 | 1,139,900 |
| 2013-01-15 | 141.58 | 143.06 | 139.72 | 143.01 | 143.01 | 1,391,800 |
| 2013-01-14 | 144.11 | 144.49 | 143.15 | 143.88 | 143.88 | 1,164,400 |
| 2013-01-11 | 143.99 | 145.02 | 141.03 | 143.79 | 143.79 | 1,793,500 |
| 2013-01-10 | 144.41 | 144.80 | 141.48 | 143.91 | 143.91 | 2,119,600 |
| 2013-01-09 | 144.20 | 146.88 | 143.70 | 144.08 | 144.08 | 2,098,900 |
| 2013-01-08 | 145.53 | 146.52 | 144.09 | 144.39 | 144.39 | 1,760,100 |
| 2013-01-07 | 145.29 | 146.65 | 145.08 | 146.42 | 146.42 | 1,121,600 |
| 2013-01-04 | 148.02 | 148.45 | 145.77 | 145.93 | 145.93 | 1,533,100 |
| 2013-01-03 | 142.25 | 149.00 | 141.73 | 147.86 | 147.86 | 5,816,600 |
| 2013-01-02 | 148.72 | 150.98 | 148.46 | 150.00 | 150.00 | 1,581,000 |
| 2012-12-31 | 145.84 | 147.00 | 145.04 | 146.37 | 146.37 | 927,900 |
| 2012-12-28 | 146.98 | 148.06 | 146.05 | 146.05 | 146.05 | 716,300 |
| 2012-12-27 | 148.39 | 149.50 | 146.33 | 147.76 | 147.76 | 1,072,700 |
| 2012-12-26 | 149.35 | 149.35 | 147.03 | 148.43 | 148.43 | 507,800 |
| 2012-12-24 | 149.14 | 149.90 | 148.72 | 149.07 | 149.07 | 358,000 |
| 2012-12-21 | 150.29 | 151.16 | 148.56 | 149.91 | 149.91 | 1,992,300 |
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.