Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2023-09-08 | 262.22 | 262.70 | 258.62 | 258.99 | 258.99 | 788,100 |
| 2023-09-07 | 263.21 | 263.27 | 256.92 | 261.34 | 261.34 | 1,199,200 |
| 2023-09-06 | 266.47 | 266.47 | 261.50 | 263.72 | 263.72 | 944,700 |
| 2023-09-05 | 269.43 | 270.50 | 266.11 | 266.29 | 266.29 | 932,500 |
| 2023-09-01 | 269.01 | 269.72 | 266.91 | 267.17 | 267.17 | 522,400 |
| 2023-08-31 | 266.83 | 269.18 | 265.32 | 267.36 | 267.36 | 1,012,700 |
| 2023-08-30 | 268.84 | 269.46 | 265.25 | 267.18 | 267.18 | 552,700 |
| 2023-08-29 | 265.35 | 268.15 | 265.11 | 268.00 | 268.00 | 525,000 |
| 2023-08-28 | 265.40 | 266.47 | 263.54 | 265.05 | 265.05 | 359,900 |
| 2023-08-25 | 263.00 | 264.79 | 261.09 | 264.43 | 264.43 | 608,100 |
| 2023-08-24 | 263.83 | 266.49 | 262.35 | 262.43 | 262.43 | 515,700 |
| 2023-08-23 | 265.74 | 266.78 | 263.99 | 264.80 | 264.80 | 544,600 |
| 2023-08-22 | 264.07 | 265.85 | 262.67 | 262.98 | 262.98 | 655,700 |
| 2023-08-21 | 260.92 | 266.25 | 260.42 | 265.07 | 265.07 | 755,300 |
| 2023-08-18 | 259.79 | 262.40 | 259.76 | 261.15 | 261.15 | 585,600 |
| 2023-08-17 | 265.26 | 265.79 | 260.94 | 261.50 | 261.50 | 741,800 |
| 2023-08-16 | 270.48 | 271.07 | 265.07 | 265.26 | 265.26 | 645,700 |
| 2023-08-15 | 271.56 | 272.23 | 266.50 | 270.22 | 270.22 | 763,000 |
| 2023-08-14 | 274.05 | 274.05 | 269.96 | 272.74 | 272.74 | 715,600 |
| 2023-08-11 | 268.00 | 276.52 | 267.44 | 273.68 | 273.68 | 869,700 |
| 2023-08-10 | 271.68 | 272.57 | 268.77 | 269.06 | 269.06 | 934,900 |
| 2023-08-09 | 273.51 | 275.65 | 270.71 | 271.29 | 271.29 | 613,000 |
| 2023-08-08 | 271.84 | 278.95 | 271.65 | 274.14 | 274.14 | 1,445,200 |
| 2023-08-07 | 262.96 | 271.76 | 262.96 | 271.23 | 271.23 | 1,232,300 |
| 2023-08-04 | 267.04 | 269.94 | 266.68 | 268.92 | 268.92 | 929,600 |
| 2023-08-03 | 270.08 | 271.11 | 266.78 | 267.75 | 267.75 | 977,200 |
| 2023-08-02 | 269.70 | 275.87 | 269.15 | 271.56 | 271.56 | 1,299,500 |
| 2023-08-01 | 269.36 | 269.68 | 266.49 | 269.30 | 269.30 | 1,070,600 |
| 2023-07-31 | 264.26 | 273.46 | 263.53 | 270.19 | 270.19 | 1,374,500 |
| 2023-07-28 | 263.30 | 268.26 | 256.13 | 265.23 | 265.23 | 3,168,200 |
| 2023-07-27 | 265.73 | 267.02 | 262.40 | 262.79 | 262.79 | 1,283,200 |
| 2023-07-26 | 270.00 | 270.00 | 263.09 | 265.25 | 265.25 | 1,517,500 |
| 2023-07-25 | 279.86 | 280.42 | 264.37 | 270.31 | 270.31 | 2,485,300 |
| 2023-07-24 | 276.54 | 278.41 | 275.70 | 277.00 | 277.00 | 1,173,500 |
| 2023-07-21 | 276.10 | 278.12 | 274.33 | 276.74 | 276.74 | 2,827,800 |
| 2023-07-20 | 278.00 | 279.90 | 273.47 | 274.70 | 274.70 | 1,570,700 |
| 2023-07-19 | 276.17 | 278.95 | 275.83 | 276.89 | 276.89 | 912,300 |
| 2023-07-18 | 278.40 | 281.12 | 275.77 | 276.17 | 276.17 | 1,052,200 |
| 2023-07-17 | 278.42 | 280.49 | 276.22 | 278.40 | 278.40 | 1,189,000 |
| 2023-07-14 | 278.94 | 280.00 | 276.12 | 278.93 | 278.93 | 895,300 |
| 2023-07-13 | 278.93 | 280.86 | 276.40 | 277.97 | 277.97 | 985,700 |
| 2023-07-12 | 280.17 | 281.68 | 277.29 | 277.62 | 277.62 | 1,055,700 |
| 2023-07-11 | 280.00 | 280.52 | 276.02 | 279.84 | 279.84 | 909,300 |
| 2023-07-10 | 275.00 | 282.74 | 275.00 | 281.58 | 281.58 | 1,280,500 |
| 2023-07-07 | 285.58 | 286.54 | 274.75 | 275.07 | 275.07 | 2,851,400 |
| 2023-07-06 | 285.95 | 286.92 | 282.48 | 284.99 | 284.99 | 1,067,800 |
| 2023-07-05 | 285.45 | 287.60 | 283.83 | 285.89 | 285.89 | 744,700 |
| 2023-07-03 | 282.87 | 285.65 | 281.24 | 285.44 | 285.44 | 414,700 |
| 2023-06-30 | 284.96 | 286.50 | 282.91 | 284.85 | 284.85 | 1,130,800 |
| 2023-06-29 | 282.71 | 285.45 | 280.59 | 282.13 | 282.13 | 873,700 |
| 2023-06-28 | 282.95 | 285.68 | 281.29 | 284.02 | 284.02 | 618,700 |
| 2023-06-27 | 281.91 | 283.49 | 277.71 | 282.95 | 282.95 | 851,000 |
| 2023-06-26 | 283.87 | 283.95 | 279.56 | 281.58 | 281.58 | 833,500 |
| 2023-06-23 | 293.35 | 293.52 | 283.97 | 284.52 | 284.52 | 1,428,400 |
| 2023-06-22 | 294.25 | 296.46 | 291.58 | 293.95 | 293.95 | 905,600 |
| 2023-06-21 | 294.04 | 294.84 | 289.83 | 294.36 | 294.36 | 787,800 |
| 2023-06-20 | 296.00 | 298.73 | 293.65 | 293.79 | 293.79 | 961,200 |
| 2023-06-16 | 300.57 | 304.79 | 296.20 | 297.48 | 297.48 | 1,915,400 |
| 2023-06-15 | 299.77 | 300.00 | 293.21 | 297.83 | 297.83 | 1,483,000 |
| 2023-06-14 | 304.60 | 306.52 | 296.09 | 299.99 | 299.99 | 1,512,500 |
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.