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
7,605
Employees7,605
Headquarters
Cambridge, Massachusetts
HeadquartersCambridge, Massachusetts
Founded
1978
Founded1978
Employees
7,605
Employees7,605

BIIB Key Statistics

Market cap
26.51B
Market cap26.51B
Price-Earnings ratio
16.43
Price-Earnings ratio16.43
Dividend yield
Dividend yield
Average volume
2.02M
Average volume2.02M
High today
High today
Low today
Low today
Open price
$180.17
Open price$180.17
Volume
0.00
Volume0.00
52 Week high
$185.17
52 Week high$185.17
52 Week low
$110.04
52 Week low$110.04

Stock Snapshot

Biogen(BIIB) stock is priced at $180.75, giving the company a market capitalization of 26.51B. It carries a P/E multiple of 16.43.

On 2025-12-04, Biogen(BIIB) shares started trading at $180.17, with intraday highs of — and lows of —.

Trading activity shows a volume of 0, compared to an average daily volume of 2.02M.

Over the past 52 weeks, Biogen(BIIB) stock has traded between a high of $185.17 and a low of $110.04.

Over the past 52 weeks, Biogen(BIIB) stock has traded between a high of $185.17 and a low of $110.04.

BIIB News

Simply Wall St 5h
Should New LEQEMBI Data and Subcutaneous Option Shift the Risk Profile for Biogen Investors?

In late November and early December 2025, Eisai and Biogen reported new LEQEMBI (lecanemab) data at the CTAD conference, highlighting long-term “time savings” i...

Should New LEQEMBI Data and Subcutaneous Option Shift the Risk Profile for Biogen Investors?
TipRanks 13h
Eisai, Biogen say Leqembi data suggests potential to delay disease progression

Eisai (ESALY) and Biogen (BIIB) announced that the latest findings on time savings with continued treatment with humanized anti-soluble aggregated amyloid-beta...

Simply Wall St 2d
Does Biogen’s Valuation Stack Up After Recent Alzheimer’s Regulatory Updates?

Curious if Biogen is a bargain or overpriced in today’s market? You’re not alone. A fresh look at its valuation might challenge what you think you know. After...

Does Biogen’s Valuation Stack Up After Recent Alzheimer’s Regulatory Updates?

Analyst ratings

50%

of 36 ratings
Buy
47.2%
Hold
50%
Sell
2.8%

More BIIB News

Simply Wall St 4d
A Look at Biogen's Valuation as It Expands Immunology Pipeline With Dayra Therapeutics Collaboration

Biogen (BIIB) just announced a new research partnership with Dayra Therapeutics focused on developing oral macrocyclic peptides for immunological conditions. Th...

A Look at Biogen's Valuation as It Expands Immunology Pipeline With Dayra Therapeutics Collaboration
Benzinga 6d
Biogen, Eisai File In Japan To Make Leqembi A Weekly At-Home Alzheimer's Shot

Biogen Inc.‘s (NASDAQ:BIIB) partner Eisai Co., Ltd, on Friday filed a new drug application for Leqembi (lecanemab) seeking approval for a subcutaneous formulati...

Biogen, Eisai File In Japan To Make Leqembi A Weekly At-Home Alzheimer's Shot

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