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
36.07B
Market cap36.07B
Price-Earnings ratio
108.93
Price-Earnings ratio108.93
Dividend yield
—
Dividend yield—
Average volume
1.32M
Average volume1.32M
High today
$255.70
High today$255.70
Low today
$243.68
Low today$243.68
Open price
$255.52
Open price$255.52
Volume
1.18M
Volume1.18M
52 Week high
$258.78
52 Week high$258.78
52 Week low
$148.51
52 Week low$148.51

Stock Snapshot

With a market cap of 36.07B, Biogen(BIIB) trades at $243.93. The stock has a price-to-earnings ratio of 108.93.

As of 2026-11-05, Biogen(BIIB) stock has fluctuated between $243.68 and $255.70. The current price stands at $243.93, placing the stock +0.1% above today's low and -4.6% off the high.

The Biogen(BIIB)'s current trading volume is 1.18M, compared to an average daily volume of 1.32M.

In the last year, Biogen(BIIB) shares hit a 52-week high of $258.78 and a 52-week low of $148.51.

In the last year, Biogen(BIIB) shares hit a 52-week high of $258.78 and a 52-week low of $148.51.

BIIB News

MarketWatch 29m
Biogen Inc. stock underperforms Thursday when compared to competitors - MarketWatch

...

Biogen Inc. stock underperforms Thursday when compared to competitors - MarketWatch
Simply Wall St 10h
Alzheimer’s Data Update Could Be A Key Test For Biogen Stock

Biogen reported third quarter 2026 revenue of US$2,804.1 million and a net loss of US$20.6 million, and then shared expanded Alzheimer’s data on diranersen and...

Alzheimer’s Data Update Could Be A Key Test For Biogen Stock
Simply Wall St 5d
Biogen Just Gave Investors Something To Think About

Biogen (BIIB) is back in focus after fresh Alzheimer’s data and mixed third quarter figures, as investors weigh revenue growth, continued Leqembi uptake, and th...

Analyst ratings

70%

of 37 ratings
Buy
70.3%
Hold
27%
Sell
2.7%

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