Biogen

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About BIIB

Biogen, Inc. is a biopharmaceutical company, which engages in discovering, developing, and delivering therapies for neurological and neurodegenerative diseases. Its products include TECFIDERA, VUMERITY, AVONEX, PLEGRIDY, TYSABRI, and FAMPYRA for the treatment of MS, SPINRAZA for the treatment of SMA, ADUHELM for the treatment of Alzheimer's disease, and FUMADERM for the treatment of severe plaque psoriasis. 

CEO
Christopher A. Viehbacher
CEOChristopher A. Viehbacher
Employees
7,500
Employees7,500
Headquarters
Cambridge, Massachusetts
HeadquartersCambridge, Massachusetts
Founded
1978
Founded1978
Employees
7,500
Employees7,500

BIIB Key Statistics

Market cap
33.40B
Market cap33.40B
Price-Earnings ratio
40.21
Price-Earnings ratio40.21
Dividend yield
—
Dividend yield—
Average volume
1.30M
Average volume1.30M
High today
$229.36
High today$229.36
Low today
$225.51
Low today$225.51
Open price
$227.42
Open price$227.42
Volume
1.49M
Volume1.49M
52 Week high
$230.49
52 Week high$230.49
52 Week low
$138.00
52 Week low$138.00

Stock Snapshot

As of today, Biogen(BIIB) shares are valued at $225.88. The company's market cap stands at 33.4B, with a P/E ratio of 40.21.

On 2026-10-01, Biogen(BIIB) stock traded between a low of $225.51 and a high of $229.36. Shares are currently priced at $225.88, which is +0.2% above the low and -1.5% below the high.

Biogen(BIIB) shares are trading with a volume of 1.49M, against a daily average of 1.3M.

During the past year, Biogen(BIIB) stock moved between $138.00 at its lowest and $230.49 at its peak.

During the past year, Biogen(BIIB) stock moved between $138.00 at its lowest and $230.49 at its peak.

BIIB News

Simply Wall St 2d
How At Home Alzheimer’s Treatment Could Impact Biogen Investors

Biogen reported two product updates: positive adolescent subgroup results from the Phase 3 VALIANT trial of EMPAVELI in rare kidney diseases and Japanese approv...

How At Home Alzheimer’s Treatment Could Impact Biogen Investors

Analyst ratings

65%

of 37 ratings
Buy
64.9%
Hold
32.4%
Sell
2.7%

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