Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-05-01 | 189.28 | 190.57 | 186.14 | 187.06 | 187.06 | 696,800 |
| 2026-04-30 | 194.02 | 195.98 | 187.16 | 189.28 | 189.28 | 1,550,500 |
| 2026-04-29 | 183.12 | 195.89 | 180.18 | 194.38 | 194.38 | 2,453,400 |
| 2026-04-28 | 182.45 | 184.41 | 181.89 | 183.38 | 183.38 | 1,235,600 |
| 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 |
← NewerPage 3 of 3 · 127 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.