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

29.34B

Market cap29.34B

Price-Earnings ratio

20.99

Price-Earnings ratio20.99

Dividend yield

—

Dividend yield—

Average volume

952.31K

Average volume952.31K

High today

$201.75

High today$201.75

Low today

$194.04

Low today$194.04

Open price

$195.14

Open price$195.14

Volume

1.00M

Volume1.00M

52 Week high

$205.97

52 Week high$205.97

52 Week low

$121.05

52 Week low$121.05

Stock Snapshot

As of today, Biogen(BIIB) shares are valued at $197.92. The company's market cap stands at 29.34B, with a P/E ratio of 20.99.

As of 2026-06-18, Biogen(BIIB) stock has fluctuated between $194.04 and $201.75. The current price stands at $197.92, placing the stock +2.0% above today's low and -1.9% off the high.

The Biogen(BIIB)'s current trading volume is 1M, compared to an average daily volume of 952.31K.

During the past year, Biogen(BIIB) stock moved between $121.05 at its lowest and $205.97 at its peak.

BIIB News

TipRanks 14m

Biogen to Acquire RayThera in Up to $1B Deal to Expand Drug Pipeline

U.S.-based biotechnology company Biogen (BIIB) announced plans to acquire private biotech firm RayThera in a deal worth up to $1 billion, adding several promisi...

Reuters 8h

Biogen to acquire RayThera for $1 billion - Reuters

...

TipRanks 8h

Biogen to acquire RayThera for up to $1B

Biogen (BIIB) and RayThera, a private biotechnology company focused on discovering and developing small molecule therapies in immunology, announced the companie...

Analyst ratings

58%

of 38 ratings

Buy

57.9%

Hold

36.8%

Sell

5.3%

More BIIB News

TipRanks 5d

Tvardi, Biogen, FuelCell, Magnite, Canadian Tire Trending

Analysts are intrested in these 5 stocks: ( (TVRD) ), ( (BIIB) ), ( (FCEL) ), ( (MGNI) ) and ( (CDNAF) ). Here is a breakdown of their recent ratings and the ra...

Simply Wall St 7d

Did FDA Breakthrough Status for Salanersen Just Shift Biogen's Long-Term SMA Strategy?

On 4 June 2026, Biogen reported that the FDA granted Breakthrough Therapy Designation to salanersen, its once-yearly antisense oligonucleotide for spinal muscul...

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