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

32.51B

Market cap32.51B

Price-Earnings ratio

39.46

Price-Earnings ratio39.46

Dividend yield

—

Dividend yield—

Average volume

1.40M

Average volume1.40M

High today

$224.10

High today$224.10

Low today

$219.84

Low today$219.84

Open price

$222.98

Open price$222.98

Volume

769.02K

Volume769.02K

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 $219.88. The company's market cap stands at 32.51B, with a P/E ratio of 39.46.

On 2026-10-02, Biogen(BIIB) stock traded between a low of $219.84 and a high of $224.10. Shares are currently priced at $219.88, which is +0.0% above the low and -1.9% below the high.

Biogen(BIIB) shares are trading with a volume of 769.02K, against a daily average of 1.4M.

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

BIIB News

Reuters 4h

Biogen's experimental lupus drug shows benefit against skin symptoms - Reuters

...

TipRanks 4h

Biogen’s Salanersen Trial Strengthens Its SMA Pipeline Outlook

Biogen Inc. (BIIB) announced an update on their ongoing clinical study. Biogen Inc. (BIIB) is running a Phase 3 study of salanersen (BIIB115) in people aged 15...

TipRanks 5h

Biogen says litifilimab demonstrates rapid, durable efficacy in Phase 2 data

Biogen (BIIB) announced 52-week results from the Phase 2 part of the ongoing AMETHYST Phase 2/3 study of litifilimab in people living with cutaneous lupus eryth...

Analyst ratings

65%

of 37 ratings

Buy

64.9%

Hold

32.4%

Sell

2.7%

More BIIB News

Simply Wall St 4d

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...

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