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Company stock · NASDAQ · USD

BIIB

Biogen Inc

$250.69

Today

−$3.15-1.24%

vs yesterday’s close

Live price

Opened at
$251.68
Day high
$252.44
Day low
$246.15
Yesterday’s close
$253.84
Sector
Healthcare
Industry
Biotechnology
Size
Medium-sized company
Market value
$37.0 billion
Number of shares
147.8 million
Country
US
Went public
Sep 17, 1991
Exchange
NASDAQ
Website
biogen.com
Next earnings
2026-10-28 · Before open · analysts’ expected profit per share $2.04

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Company briefing

What BIIB is

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In plain English

Biogen Inc. develops biologic medicines and related therapies, focusing on treatments for neurological and autoimmune diseases. The…

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