Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-04-27 | 183.16 | 186.15 | 179.15 | 180.67 | 180.67 | 1,101,400 |
| 2026-04-24 | 186.65 | 186.65 | 183.17 | 184.38 | 184.38 | 723,300 |
| 2026-04-23 | 189.46 | 190.32 | 187.01 | 187.88 | 187.88 | 816,300 |
| 2026-04-22 | 189.31 | 192.75 | 188.67 | 190.07 | 190.07 | 1,327,900 |
| 2026-04-21 | 184.52 | 187.74 | 181.75 | 185.95 | 185.95 | 1,063,200 |
| 2026-04-20 | 179.54 | 184.26 | 178.72 | 183.34 | 183.34 | 1,484,400 |
← NewerPage 3 of 3 · 126 trading days
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.