Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-10-19 | 230.85 | 236.35 | 228.02 | 233.21 | 233.21 | 252 |
| 2026-10-16 | 235.99 | 239.41 | 231.80 | 234.71 | 234.71 | 1,129 |
| 2026-10-15 | 234.44 | 240.94 | 234.44 | 237.95 | 237.95 | 2,948 |
| 2026-10-14 | 231.97 | 233.79 | 225.15 | 231.60 | 231.60 | 1,001 |
| 2026-10-13 | 233.33 | 236.52 | 226.75 | 227.22 | 227.22 | 607 |
| 2026-10-12 | 228.23 | 236.43 | 225.71 | 234.00 | 234.00 | 1,074 |
| 2026-10-09 | 221.96 | 227.38 | 217.81 | 226.05 | 226.05 | 376 |
| 2026-10-08 | 218.56 | 225.62 | 216.45 | 219.82 | 219.82 | 1,441 |
| 2026-10-07 | 225.00 | 227.94 | 220.13 | 225.20 | 225.20 | 523 |
| 2026-10-06 | 220.51 | 226.09 | 218.00 | 221.16 | 221.16 | 517 |
| 2026-10-05 | 220.00 | 222.10 | 214.33 | 220.74 | 220.74 | 1,017 |
| 2026-10-02 | 225.69 | 225.87 | 219.66 | 220.13 | 220.13 | 884 |
| 2026-10-01 | 229.00 | 229.00 | 224.23 | 225.58 | 225.58 | 394 |
| 2026-09-30 | 228.21 | 229.41 | 221.76 | 228.12 | 228.12 | 579 |
| 2026-09-29 | 224.61 | 230.00 | 224.61 | 226.25 | 226.25 | 531 |
| 2026-09-28 | 230.00 | 230.23 | 225.00 | 228.41 | 228.41 | 1,153 |
| 2026-09-25 | 229.80 | 229.80 | 221.51 | 226.68 | 226.68 | 398 |
| 2026-09-24 | 228.10 | 230.00 | 223.00 | 226.56 | 226.56 | 761 |
| 2026-09-23 | 227.02 | 229.99 | 222.42 | 223.74 | 223.74 | 253 |
| 2026-09-22 | 219.07 | 226.50 | 214.78 | 225.48 | 225.48 | 310 |
| 2026-09-21 | 208.00 | 221.64 | 208.00 | 220.93 | 220.93 | 525 |
Page 1 of 1 · 21 trading days
Stock splits
No stock splits on record.
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.