Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2018-06-14 | 307.47 | 309.60 | 304.67 | 305.68 | 305.68 | 1,344,600 |
| 2018-06-13 | 306.47 | 310.91 | 305.58 | 306.91 | 306.91 | 1,180,300 |
| 2018-06-12 | 306.26 | 308.88 | 304.27 | 306.19 | 306.19 | 1,085,200 |
| 2018-06-11 | 302.76 | 308.98 | 302.74 | 306.68 | 306.68 | 1,178,900 |
| 2018-06-08 | 304.68 | 304.99 | 300.36 | 303.29 | 303.29 | 1,519,800 |
| 2018-06-07 | 304.33 | 307.91 | 303.06 | 305.37 | 305.37 | 1,392,900 |
| 2018-06-06 | 299.15 | 303.94 | 298.89 | 303.75 | 303.75 | 1,371,200 |
| 2018-06-05 | 299.39 | 301.70 | 295.76 | 298.64 | 298.64 | 1,206,300 |
| 2018-06-04 | 297.04 | 301.51 | 296.12 | 298.91 | 298.91 | 1,028,000 |
| 2018-06-01 | 294.94 | 298.36 | 293.02 | 297.09 | 297.09 | 1,238,800 |
| 2018-05-31 | 298.07 | 301.22 | 291.82 | 293.96 | 293.96 | 2,081,900 |
| 2018-05-30 | 288.49 | 297.50 | 287.96 | 294.40 | 294.40 | 1,987,500 |
| 2018-05-29 | 283.62 | 289.89 | 282.10 | 287.09 | 287.09 | 1,562,500 |
| 2018-05-25 | 284.29 | 289.61 | 283.85 | 286.21 | 286.21 | 1,464,200 |
| 2018-05-24 | 283.44 | 285.47 | 281.80 | 284.41 | 284.41 | 1,148,200 |
| 2018-05-23 | 277.14 | 284.00 | 276.65 | 283.75 | 283.75 | 1,398,200 |
| 2018-05-22 | 278.21 | 281.04 | 278.01 | 279.69 | 279.69 | 1,320,200 |
| 2018-05-21 | 281.36 | 282.10 | 276.42 | 277.67 | 277.67 | 1,628,100 |
| 2018-05-18 | 281.01 | 282.73 | 280.02 | 280.40 | 280.40 | 1,639,700 |
| 2018-05-17 | 280.26 | 281.62 | 277.26 | 280.57 | 280.57 | 1,830,700 |
| 2018-05-16 | 277.33 | 283.55 | 276.94 | 281.51 | 281.51 | 1,515,700 |
| 2018-05-15 | 280.16 | 281.73 | 275.00 | 276.06 | 276.06 | 1,729,000 |
| 2018-05-14 | 282.34 | 285.52 | 281.02 | 282.34 | 282.34 | 2,027,100 |
| 2018-05-11 | 274.36 | 283.59 | 274.36 | 282.39 | 282.39 | 1,908,700 |
| 2018-05-10 | 272.65 | 276.26 | 272.10 | 274.00 | 274.00 | 1,416,600 |
| 2018-05-09 | 269.75 | 275.72 | 269.07 | 274.03 | 274.03 | 1,377,300 |
| 2018-05-08 | 271.11 | 271.45 | 267.89 | 269.73 | 269.73 | 1,303,300 |
| 2018-05-07 | 271.15 | 273.78 | 269.02 | 269.70 | 269.70 | 1,296,800 |
| 2018-05-04 | 264.99 | 272.58 | 264.99 | 270.34 | 270.34 | 1,937,800 |
| 2018-05-03 | 272.84 | 275.04 | 264.51 | 266.44 | 266.44 | 1,999,000 |
| 2018-05-02 | 273.00 | 277.57 | 264.03 | 274.13 | 274.13 | 3,616,700 |
| 2018-05-01 | 274.89 | 279.72 | 271.69 | 274.61 | 274.61 | 1,910,300 |
| 2018-04-30 | 277.58 | 280.31 | 273.45 | 273.60 | 273.60 | 2,083,300 |
| 2018-04-27 | 275.60 | 279.44 | 274.01 | 276.80 | 276.80 | 1,955,600 |
| 2018-04-26 | 271.10 | 277.43 | 270.52 | 273.86 | 273.86 | 2,084,800 |
| 2018-04-25 | 262.70 | 274.40 | 262.27 | 269.45 | 269.45 | 2,765,700 |
| 2018-04-24 | 253.71 | 266.73 | 249.17 | 262.15 | 262.15 | 3,619,800 |
| 2018-04-23 | 263.14 | 264.48 | 258.00 | 259.30 | 259.30 | 1,922,300 |
| 2018-04-20 | 266.03 | 267.66 | 261.20 | 263.02 | 263.02 | 1,584,500 |
| 2018-04-19 | 267.69 | 271.05 | 264.82 | 266.02 | 266.02 | 910,900 |
| 2018-04-18 | 265.50 | 270.74 | 265.50 | 268.03 | 268.03 | 1,382,200 |
| 2018-04-17 | 265.77 | 268.76 | 263.78 | 264.75 | 264.75 | 1,863,000 |
| 2018-04-16 | 267.44 | 269.26 | 262.21 | 263.11 | 263.11 | 1,323,300 |
| 2018-04-13 | 269.27 | 269.49 | 264.15 | 265.39 | 265.39 | 1,197,100 |
| 2018-04-12 | 268.67 | 270.18 | 266.27 | 267.44 | 267.44 | 1,238,300 |
| 2018-04-11 | 263.36 | 269.95 | 262.00 | 265.99 | 265.99 | 1,771,500 |
| 2018-04-10 | 261.51 | 267.58 | 259.44 | 265.09 | 265.09 | 1,983,200 |
| 2018-04-09 | 258.29 | 264.46 | 254.33 | 257.52 | 257.52 | 2,235,500 |
| 2018-04-06 | 263.51 | 266.16 | 256.77 | 257.65 | 257.65 | 1,954,000 |
| 2018-04-05 | 271.83 | 272.99 | 263.84 | 264.98 | 264.98 | 1,804,300 |
| 2018-04-04 | 263.63 | 273.31 | 263.62 | 272.40 | 272.40 | 1,603,100 |
| 2018-04-03 | 267.97 | 270.82 | 262.49 | 266.48 | 266.48 | 1,456,600 |
| 2018-04-02 | 272.02 | 272.54 | 261.00 | 266.89 | 266.89 | 1,550,300 |
| 2018-03-29 | 273.11 | 276.44 | 271.00 | 273.82 | 273.82 | 1,237,800 |
| 2018-03-28 | 266.38 | 275.00 | 265.69 | 271.82 | 271.82 | 1,991,800 |
| 2018-03-27 | 269.75 | 273.37 | 263.41 | 265.16 | 265.16 | 1,880,500 |
| 2018-03-26 | 263.24 | 270.20 | 262.48 | 268.20 | 268.20 | 2,226,800 |
| 2018-03-23 | 272.95 | 273.25 | 259.76 | 260.13 | 260.13 | 3,039,600 |
| 2018-03-22 | 275.46 | 278.37 | 271.63 | 271.89 | 271.89 | 1,748,600 |
| 2018-03-21 | 279.61 | 280.98 | 275.86 | 277.29 | 277.29 | 1,340,000 |
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.