BIIB
Biogen Inc. Common Stock
stock NASDAQ

At Close

Sep 15, 2026 3:59:59 PM EDT

216.28USD-0.497%(-1.08)755,891

215.99Bid 216.18Ask 0.19Spread

Pre-market

Sep 14, 2026 9:28:30 AM EDT

219.00USD+0.755%(+1.64)0

After-hours

Sep 15, 2026 4:37:30 PM EDT

216.17USD-0.051%(-0.11)105

OverviewOptionsSplitsExchangesShortsMore

2001-01-18	3	for	1	(shares x 3)
1999-12-21	2	for	1	(shares x 2)