Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2012-09-24 | 155.08 | 155.14 | 153.00 | 154.40 | 154.40 | 832,600 |
| 2012-09-21 | 156.31 | 156.46 | 154.02 | 154.57 | 154.57 | 1,690,900 |
| 2012-09-20 | 156.02 | 156.57 | 153.87 | 156.06 | 156.06 | 1,174,500 |
| 2012-09-19 | 155.96 | 156.47 | 154.59 | 155.04 | 155.04 | 1,068,600 |
| 2012-09-18 | 154.76 | 156.52 | 154.45 | 155.80 | 155.80 | 1,075,700 |
| 2012-09-17 | 154.03 | 155.35 | 153.44 | 154.41 | 154.41 | 1,598,000 |
| 2012-09-14 | 152.44 | 154.24 | 150.65 | 154.24 | 154.24 | 1,269,400 |
| 2012-09-13 | 151.85 | 153.38 | 151.29 | 152.50 | 152.50 | 927,000 |
| 2012-09-12 | 152.68 | 153.42 | 151.85 | 152.26 | 152.26 | 602,200 |
| 2012-09-11 | 151.21 | 152.12 | 150.00 | 151.95 | 151.95 | 576,600 |
| 2012-09-10 | 150.36 | 152.08 | 150.00 | 151.60 | 151.60 | 593,500 |
| 2012-09-07 | 153.07 | 153.20 | 150.62 | 152.50 | 152.50 | 666,200 |
| 2012-09-06 | 147.77 | 152.75 | 147.77 | 152.19 | 152.19 | 1,187,500 |
| 2012-09-05 | 147.28 | 147.74 | 145.64 | 146.67 | 146.67 | 626,200 |
| 2012-09-04 | 145.90 | 147.69 | 144.90 | 147.07 | 147.07 | 783,100 |
| 2012-08-31 | 147.03 | 147.27 | 145.53 | 146.59 | 146.59 | 633,600 |
| 2012-08-30 | 145.36 | 146.32 | 145.00 | 145.95 | 145.95 | 588,500 |
| 2012-08-29 | 147.16 | 147.21 | 145.60 | 145.89 | 145.89 | 689,500 |
| 2012-08-28 | 146.94 | 147.37 | 146.00 | 146.43 | 146.43 | 614,700 |
| 2012-08-27 | 146.78 | 147.69 | 146.26 | 147.39 | 147.39 | 680,500 |
| 2012-08-24 | 144.92 | 147.79 | 144.87 | 147.03 | 147.03 | 606,900 |
| 2012-08-23 | 144.67 | 145.67 | 144.13 | 145.15 | 145.15 | 519,600 |
| 2012-08-22 | 143.83 | 145.80 | 143.51 | 144.92 | 144.92 | 799,200 |
| 2012-08-21 | 144.27 | 144.83 | 143.28 | 143.97 | 143.97 | 924,400 |
| 2012-08-20 | 145.19 | 145.19 | 143.80 | 144.69 | 144.69 | 694,300 |
| 2012-08-17 | 147.34 | 147.34 | 144.62 | 145.09 | 145.09 | 902,000 |
| 2012-08-16 | 147.40 | 147.75 | 145.85 | 146.84 | 146.84 | 465,300 |
| 2012-08-15 | 145.03 | 147.52 | 145.02 | 146.87 | 146.87 | 517,900 |
| 2012-08-14 | 145.03 | 145.90 | 144.29 | 145.50 | 145.50 | 512,700 |
| 2012-08-13 | 145.06 | 145.15 | 143.18 | 144.54 | 144.54 | 593,900 |
| 2012-08-10 | 143.24 | 146.32 | 143.24 | 145.51 | 145.51 | 880,200 |
| 2012-08-09 | 144.86 | 145.33 | 142.72 | 143.09 | 143.09 | 1,209,800 |
| 2012-08-08 | 146.15 | 147.57 | 144.83 | 145.05 | 145.05 | 709,000 |
| 2012-08-07 | 146.04 | 146.92 | 145.46 | 146.18 | 146.18 | 667,600 |
| 2012-08-06 | 145.29 | 146.26 | 144.57 | 145.46 | 145.46 | 704,900 |
| 2012-08-03 | 147.01 | 147.87 | 144.93 | 145.06 | 145.06 | 1,002,800 |
| 2012-08-02 | 142.88 | 144.61 | 141.88 | 143.80 | 143.80 | 1,115,600 |
| 2012-08-01 | 146.30 | 147.89 | 144.03 | 144.28 | 144.28 | 962,200 |
| 2012-07-31 | 146.95 | 148.07 | 145.66 | 145.83 | 145.83 | 920,500 |
| 2012-07-30 | 149.72 | 150.29 | 146.93 | 147.28 | 147.28 | 864,600 |
| 2012-07-27 | 149.00 | 150.23 | 148.20 | 149.47 | 149.47 | 1,422,300 |
| 2012-07-26 | 144.44 | 148.31 | 144.17 | 147.75 | 147.75 | 1,430,000 |
| 2012-07-25 | 139.24 | 143.87 | 138.10 | 143.45 | 143.45 | 1,440,100 |
| 2012-07-24 | 142.52 | 142.68 | 137.96 | 139.48 | 139.48 | 1,313,300 |
| 2012-07-23 | 142.12 | 142.12 | 137.88 | 139.23 | 139.23 | 1,128,500 |
| 2012-07-20 | 143.77 | 144.39 | 142.11 | 142.21 | 142.21 | 1,168,500 |
| 2012-07-19 | 144.86 | 144.86 | 142.74 | 143.74 | 143.74 | 881,800 |
| 2012-07-18 | 145.94 | 146.67 | 144.81 | 144.96 | 144.96 | 747,900 |
| 2012-07-17 | 146.04 | 147.49 | 143.76 | 145.91 | 145.91 | 823,500 |
| 2012-07-16 | 144.17 | 145.40 | 143.84 | 145.22 | 145.22 | 630,800 |
| 2012-07-13 | 143.16 | 144.90 | 142.35 | 144.61 | 144.61 | 733,400 |
| 2012-07-12 | 141.27 | 142.85 | 139.72 | 142.63 | 142.63 | 1,345,200 |
| 2012-07-11 | 143.30 | 143.44 | 140.17 | 142.00 | 142.00 | 1,060,100 |
| 2012-07-10 | 144.36 | 145.73 | 142.90 | 143.75 | 143.75 | 1,151,000 |
| 2012-07-09 | 142.94 | 144.34 | 141.50 | 143.16 | 143.16 | 1,135,300 |
| 2012-07-06 | 144.03 | 144.92 | 141.85 | 142.46 | 142.46 | 831,400 |
| 2012-07-05 | 144.72 | 145.41 | 143.98 | 144.12 | 144.12 | 781,000 |
| 2012-07-03 | 145.53 | 145.67 | 144.68 | 145.63 | 145.63 | 548,100 |
| 2012-07-02 | 143.50 | 145.66 | 143.04 | 145.61 | 145.61 | 1,202,700 |
| 2012-06-29 | 142.47 | 144.38 | 141.05 | 144.38 | 144.38 | 1,490,300 |
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.