Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2016-04-25 | 281.57 | 286.32 | 281.56 | 284.85 | 284.85 | 1,663,600 |
| 2016-04-22 | 280.40 | 283.54 | 278.21 | 282.70 | 282.70 | 2,355,100 |
| 2016-04-21 | 268.84 | 280.13 | 268.84 | 279.60 | 279.60 | 3,153,600 |
| 2016-04-20 | 271.92 | 271.92 | 263.31 | 265.89 | 265.89 | 2,522,500 |
| 2016-04-19 | 273.10 | 275.98 | 270.23 | 271.00 | 271.00 | 1,397,400 |
| 2016-04-18 | 267.85 | 273.37 | 267.04 | 272.92 | 272.92 | 1,541,300 |
| 2016-04-15 | 270.56 | 271.07 | 265.31 | 268.50 | 268.50 | 1,685,200 |
| 2016-04-14 | 270.71 | 272.00 | 269.07 | 270.56 | 270.56 | 910,100 |
| 2016-04-13 | 269.22 | 272.77 | 267.35 | 271.73 | 271.73 | 1,395,000 |
| 2016-04-12 | 265.00 | 268.68 | 262.27 | 267.61 | 267.61 | 1,459,100 |
| 2016-04-11 | 271.57 | 272.98 | 264.21 | 265.19 | 265.19 | 1,888,500 |
| 2016-04-08 | 275.00 | 275.16 | 267.33 | 270.83 | 270.83 | 2,136,000 |
| 2016-04-07 | 278.03 | 280.70 | 271.15 | 273.04 | 273.04 | 2,006,100 |
| 2016-04-06 | 266.33 | 280.58 | 266.17 | 279.57 | 279.57 | 3,018,800 |
| 2016-04-05 | 262.28 | 267.75 | 262.15 | 265.62 | 265.62 | 1,700,700 |
| 2016-04-04 | 260.56 | 266.00 | 260.04 | 264.01 | 264.01 | 2,414,500 |
| 2016-04-01 | 258.83 | 261.96 | 257.50 | 260.54 | 260.54 | 2,156,200 |
| 2016-03-31 | 255.07 | 261.40 | 254.19 | 260.32 | 260.32 | 1,550,300 |
| 2016-03-30 | 256.04 | 257.92 | 252.63 | 254.18 | 254.18 | 1,161,600 |
| 2016-03-29 | 251.68 | 254.97 | 246.74 | 254.68 | 254.68 | 1,276,600 |
| 2016-03-28 | 255.05 | 256.71 | 251.45 | 251.76 | 251.76 | 1,019,000 |
| 2016-03-24 | 253.79 | 257.54 | 251.13 | 254.69 | 254.69 | 1,077,100 |
| 2016-03-23 | 257.00 | 258.35 | 253.59 | 255.24 | 255.24 | 1,545,600 |
| 2016-03-22 | 252.70 | 261.38 | 252.20 | 259.42 | 259.42 | 1,564,600 |
| 2016-03-21 | 249.52 | 257.41 | 247.01 | 256.05 | 256.05 | 1,451,300 |
| 2016-03-18 | 247.83 | 251.16 | 243.21 | 250.78 | 250.78 | 3,347,900 |
| 2016-03-17 | 250.00 | 250.03 | 242.25 | 246.31 | 246.31 | 1,895,000 |
| 2016-03-16 | 250.42 | 256.19 | 247.61 | 250.84 | 250.84 | 1,744,800 |
| 2016-03-15 | 257.47 | 257.92 | 248.54 | 250.33 | 250.33 | 1,954,800 |
| 2016-03-14 | 258.91 | 259.89 | 256.90 | 257.77 | 257.77 | 1,241,700 |
| 2016-03-11 | 255.98 | 260.04 | 255.10 | 259.74 | 259.74 | 1,759,900 |
| 2016-03-10 | 257.00 | 260.57 | 251.00 | 251.97 | 251.97 | 1,962,100 |
| 2016-03-09 | 261.26 | 263.28 | 252.38 | 255.66 | 255.66 | 1,892,500 |
| 2016-03-08 | 267.24 | 269.02 | 260.78 | 261.28 | 261.28 | 1,552,100 |
| 2016-03-07 | 262.14 | 272.44 | 261.20 | 269.52 | 269.52 | 1,678,700 |
| 2016-03-04 | 269.64 | 269.68 | 263.13 | 263.94 | 263.94 | 1,640,800 |
| 2016-03-03 | 272.22 | 272.82 | 266.14 | 268.64 | 268.64 | 1,430,900 |
| 2016-03-02 | 270.17 | 274.57 | 268.66 | 273.66 | 273.66 | 1,664,000 |
| 2016-03-01 | 261.37 | 271.01 | 259.25 | 270.90 | 270.90 | 1,928,400 |
| 2016-02-29 | 262.68 | 265.60 | 259.18 | 259.42 | 259.42 | 1,790,100 |
| 2016-02-26 | 264.06 | 266.47 | 260.88 | 264.49 | 264.49 | 1,603,200 |
| 2016-02-25 | 261.90 | 262.84 | 259.16 | 262.35 | 262.35 | 1,520,200 |
| 2016-02-24 | 256.35 | 257.68 | 249.01 | 257.22 | 257.22 | 1,433,700 |
| 2016-02-23 | 264.81 | 265.86 | 257.90 | 258.99 | 258.99 | 1,539,200 |
| 2016-02-22 | 265.26 | 266.00 | 261.34 | 265.83 | 265.83 | 1,218,100 |
| 2016-02-19 | 257.36 | 263.00 | 255.12 | 261.40 | 261.40 | 1,450,100 |
| 2016-02-18 | 266.60 | 266.96 | 258.51 | 259.05 | 259.05 | 1,536,200 |
| 2016-02-17 | 256.29 | 265.86 | 256.08 | 265.63 | 265.63 | 1,921,400 |
| 2016-02-16 | 249.00 | 257.42 | 249.00 | 256.52 | 256.52 | 2,084,200 |
| 2016-02-12 | 248.78 | 249.20 | 242.07 | 247.22 | 247.22 | 2,119,500 |
| 2016-02-11 | 246.31 | 250.02 | 243.03 | 245.11 | 245.11 | 2,171,200 |
| 2016-02-10 | 253.35 | 257.37 | 249.28 | 252.20 | 252.20 | 1,763,500 |
| 2016-02-09 | 246.54 | 255.00 | 243.85 | 249.99 | 249.99 | 2,386,900 |
| 2016-02-08 | 260.45 | 260.45 | 248.16 | 250.77 | 250.77 | 2,758,200 |
| 2016-02-05 | 271.10 | 272.67 | 258.46 | 263.86 | 263.86 | 2,856,900 |
| 2016-02-04 | 270.16 | 279.38 | 269.11 | 273.27 | 273.27 | 2,073,400 |
| 2016-02-03 | 267.58 | 270.74 | 261.00 | 270.43 | 270.43 | 2,085,800 |
| 2016-02-02 | 267.74 | 271.20 | 265.16 | 266.06 | 266.06 | 1,929,800 |
| 2016-02-01 | 270.34 | 275.83 | 269.58 | 273.45 | 273.45 | 1,852,000 |
| 2016-01-29 | 268.42 | 273.90 | 265.70 | 273.06 | 273.06 | 3,080,400 |
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.