BIIBNasdaqBiological Products, (No Diagnostic Substances)Fiscal year ends December 31
BIOGEN INC.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Jul 29, 2026
$233.48+0.83 (+0.36%)
Close on Oct 19, 2026
- Market cap
- $34.72B
- P/E (TTM)
- 41.3
- Dividend yield
- –
Price history
Daily open, high, low, close and volume
| Date | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Daily prices are not in StockData yet. This table fills in once an end-of-day price source is connected. | ||||||
Stock splits
From SEC filings
| Date | Ratio | Effect on per-share figures |
|---|---|---|
| Jan 18, 2001 | 3-for-1 | Earlier per-share figures divided by 3 |
| Dec 21, 1999 | 2-for-1 | Earlier per-share figures divided by 2 |