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

6M chart

Closing price and volume

BIIB six-month price chart184.9203.4221.8240.3258.8May 26Jun 26Jul 26Aug 26Sep 26Oct 26