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
29.61B
Market cap29.61B
Price-Earnings ratio
22.42
Price-Earnings ratio22.42
Dividend yield
Dividend yield
Average volume
1.59M
Average volume1.59M
High today
High today
Low today
Low today
Open price
$197.61
Open price$197.61
Volume
0.00
Volume0.00
52 Week high
$219.72
52 Week high$219.72
52 Week low
$124.56
52 Week low$124.56

Stock Snapshot

With a market cap of 29.61B, Biogen(BIIB) trades at $200.62. The stock has a price-to-earnings ratio of 22.42.

On 2026-07-24, Biogen(BIIB) stock opened at $197.61, reached a high of —, and a low of —.

Biogen(BIIB) shares are trading with a volume of 0, against a daily average of 1.59M.

In the last year, Biogen(BIIB) shares hit a 52-week high of $219.72 and a 52-week low of $124.56.

In the last year, Biogen(BIIB) shares hit a 52-week high of $219.72 and a 52-week low of $124.56.

Analyst ratings

61%

of 36 ratings
Buy
61.1%
Hold
33.3%
Sell
5.6%

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