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

33.06B

Market cap33.06B

Price-Earnings ratio

39.47

Price-Earnings ratio39.47

Dividend yield

—

Dividend yield—

Average volume

1.20M

Average volume1.20M

High today

$228.00

High today$228.00

Low today

$222.93

Low today$222.93

Open price

$222.93

Open price$222.93

Volume

756.08K

Volume756.08K

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 $223.75. The company's market cap stands at 33.06B, with a P/E ratio of 39.47.

On 2026-10-07, Biogen(BIIB) stock traded between a low of $222.93 and a high of $228.00. Shares are currently priced at $223.75, which is +0.4% above the low and -1.9% below the high.

Biogen(BIIB) shares are trading with a volume of 756.08K, against a daily average of 1.2M.

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

BIIB News

TipRanks 7h

AI Predicted Novartis’ $30 Billion Drug Failure. Are Biogen and Takeda Next?

AI startup BioinvestGPT predicted the failure of Novartis AG’s (NVS) experimental muscular dystrophy drug months before a disappointing Phase 3 result sent the...

TipRanks 1d

Biogen Maintained at Buy as Analyst Sees Favorable Risk-Reward Ahead of Lupus Data; $256 Price Target Reaffirmed

Needham analyst Ami Fadia maintained a Buy rating on Biogen today and set a price target of $256.00. Ami Fadia has given his Buy rating due to a combination of...

MarketWatch 2d

Biogen Inc. stock outperforms competitors on strong trading day - MarketWatch

...

Analyst ratings

65%

of 37 ratings

Buy

64.9%

Hold

32.4%

Sell

2.7%

More BIIB News

TipRanks 5d

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 5d

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...

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