Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2020-08-05 | 276.65 | 278.63 | 274.43 | 276.17 | 276.17 | 903,100 |
| 2020-08-04 | 278.08 | 278.60 | 275.25 | 276.08 | 276.08 | 1,101,000 |
| 2020-08-03 | 274.70 | 279.91 | 274.70 | 278.16 | 278.16 | 976,400 |
| 2020-07-31 | 273.44 | 274.71 | 269.31 | 274.69 | 274.69 | 1,289,700 |
| 2020-07-30 | 273.02 | 277.44 | 272.94 | 274.86 | 274.86 | 723,200 |
| 2020-07-29 | 281.19 | 283.42 | 274.89 | 277.36 | 277.36 | 816,600 |
| 2020-07-28 | 286.27 | 287.00 | 280.16 | 280.35 | 280.35 | 1,158,900 |
| 2020-07-27 | 282.68 | 287.25 | 279.55 | 286.19 | 286.19 | 1,968,100 |
| 2020-07-24 | 277.26 | 277.32 | 270.66 | 272.33 | 272.33 | 862,300 |
| 2020-07-23 | 282.26 | 282.26 | 277.53 | 278.51 | 278.51 | 948,000 |
| 2020-07-22 | 285.36 | 286.48 | 279.10 | 280.81 | 280.81 | 1,392,100 |
| 2020-07-21 | 285.00 | 285.00 | 280.03 | 280.19 | 280.19 | 888,500 |
| 2020-07-20 | 281.14 | 284.23 | 281.14 | 283.40 | 283.40 | 739,700 |
| 2020-07-17 | 280.66 | 283.48 | 279.27 | 281.88 | 281.88 | 903,600 |
| 2020-07-16 | 282.22 | 282.32 | 276.81 | 279.54 | 279.54 | 944,300 |
| 2020-07-15 | 282.13 | 284.69 | 280.39 | 282.96 | 282.96 | 1,136,600 |
| 2020-07-14 | 275.15 | 281.76 | 274.14 | 281.27 | 281.27 | 895,700 |
| 2020-07-13 | 279.28 | 282.86 | 275.90 | 276.52 | 276.52 | 1,209,800 |
| 2020-07-10 | 277.18 | 279.49 | 275.35 | 278.88 | 278.88 | 955,300 |
| 2020-07-09 | 282.30 | 282.99 | 274.28 | 278.70 | 278.70 | 1,115,600 |
| 2020-07-08 | 294.32 | 294.99 | 278.17 | 280.19 | 280.19 | 3,257,800 |
| 2020-07-07 | 269.30 | 272.05 | 267.57 | 268.35 | 268.35 | 2,069,800 |
| 2020-07-06 | 268.04 | 270.71 | 267.13 | 269.80 | 269.80 | 859,400 |
| 2020-07-02 | 265.49 | 267.98 | 264.12 | 265.12 | 265.12 | 942,900 |
| 2020-07-01 | 266.89 | 269.32 | 261.87 | 264.77 | 264.77 | 1,093,800 |
| 2020-06-30 | 260.95 | 268.47 | 260.37 | 267.55 | 267.55 | 1,274,000 |
| 2020-06-29 | 260.84 | 263.68 | 258.40 | 260.35 | 260.35 | 899,300 |
| 2020-06-26 | 262.76 | 262.99 | 257.60 | 258.66 | 258.66 | 2,356,900 |
| 2020-06-25 | 262.42 | 263.42 | 258.75 | 262.63 | 262.63 | 1,271,400 |
| 2020-06-24 | 266.90 | 271.42 | 261.79 | 263.04 | 263.04 | 1,448,800 |
| 2020-06-23 | 266.37 | 273.01 | 265.49 | 268.19 | 268.19 | 1,820,100 |
| 2020-06-22 | 266.50 | 267.36 | 261.23 | 264.29 | 264.29 | 2,195,100 |
| 2020-06-19 | 261.75 | 271.99 | 259.80 | 271.00 | 271.00 | 7,723,100 |
| 2020-06-18 | 261.08 | 270.19 | 258.95 | 260.30 | 260.30 | 6,575,000 |
| 2020-06-17 | 283.60 | 285.28 | 279.68 | 281.46 | 281.46 | 2,070,600 |
| 2020-06-16 | 282.01 | 285.96 | 280.22 | 282.12 | 282.12 | 1,752,900 |
| 2020-06-15 | 276.36 | 278.99 | 272.02 | 278.49 | 278.49 | 2,187,800 |
| 2020-06-12 | 286.06 | 286.96 | 273.59 | 279.27 | 279.27 | 2,041,100 |
| 2020-06-11 | 293.66 | 294.39 | 281.20 | 283.22 | 283.22 | 1,669,500 |
| 2020-06-10 | 296.08 | 296.81 | 291.90 | 295.25 | 295.25 | 1,430,800 |
| 2020-06-09 | 297.00 | 297.34 | 291.00 | 293.74 | 293.74 | 2,045,800 |
| 2020-06-08 | 304.48 | 306.06 | 299.13 | 301.26 | 301.26 | 1,491,000 |
| 2020-06-05 | 300.61 | 308.27 | 298.12 | 306.72 | 306.72 | 1,297,400 |
| 2020-06-04 | 302.99 | 303.96 | 297.55 | 299.65 | 299.65 | 1,019,000 |
| 2020-06-03 | 303.04 | 304.68 | 299.71 | 302.60 | 302.60 | 945,500 |
| 2020-06-02 | 300.28 | 303.92 | 300.28 | 302.86 | 302.86 | 945,800 |
| 2020-06-01 | 305.72 | 306.95 | 300.70 | 301.45 | 301.45 | 863,000 |
| 2020-05-29 | 300.98 | 307.82 | 297.91 | 307.09 | 307.09 | 1,917,300 |
| 2020-05-28 | 302.29 | 304.80 | 297.86 | 300.50 | 300.50 | 1,431,000 |
| 2020-05-27 | 297.00 | 301.50 | 291.83 | 301.46 | 301.46 | 1,374,700 |
| 2020-05-26 | 309.07 | 309.07 | 294.89 | 295.87 | 295.87 | 1,663,500 |
| 2020-05-22 | 304.11 | 305.03 | 300.80 | 304.53 | 304.53 | 690,100 |
| 2020-05-21 | 309.76 | 311.26 | 302.53 | 304.46 | 304.46 | 1,099,700 |
| 2020-05-20 | 311.58 | 314.58 | 308.19 | 309.53 | 309.53 | 904,100 |
| 2020-05-19 | 314.67 | 316.85 | 308.66 | 310.08 | 310.08 | 862,100 |
| 2020-05-18 | 324.00 | 324.00 | 315.29 | 315.90 | 315.90 | 1,022,400 |
| 2020-05-15 | 313.49 | 317.21 | 311.00 | 316.60 | 316.60 | 820,900 |
| 2020-05-14 | 311.15 | 317.78 | 311.15 | 315.82 | 315.82 | 1,167,100 |
| 2020-05-13 | 320.90 | 327.20 | 312.66 | 314.96 | 314.96 | 1,795,900 |
| 2020-05-12 | 329.91 | 335.00 | 318.89 | 319.77 | 319.77 | 1,882,100 |
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.