BIIB chart

Biogen Inc. · Quote, news and financials

253.62 USD
+3.97 +1.59%
Bid
253.57 × 1
Ask
253.68 × 1

Extended hours 253.62 0.00%

As of Oct 30, 2026

YTD chart

Closing price and volume

BIIB year-to-date price chart160.4185.0209.6234.2258.8Jan 26Mar 26May 26Jul 26Sep 26Oct 26