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

28.95B

Market cap28.95B

Price-Earnings ratio

21.03

Price-Earnings ratio21.03

Dividend yield

—

Dividend yield—

Average volume

1.09M

Average volume1.09M

High today

$198.46

High today$198.46

Low today

$195.18

Low today$195.18

Open price

$195.55

Open price$195.55

Volume

1.86M

Volume1.86M

52 Week high

$205.97

52 Week high$205.97

52 Week low

$121.05

52 Week low$121.05

Stock Snapshot

The current Biogen(BIIB) stock price is $196.00, with a market capitalization of 28.95B. The stock trades at a price-to-earnings (P/E) ratio of 21.03.

During the trading session on 2026-05-30, Biogen(BIIB) shares reached a daily high of $198.46 and a low of $195.18. At a current price of $196.00, the stock is +0.4% higher than the low and still -1.2% under the high.

Trading volume for Biogen(BIIB) stock has reached 1.86M, versus its average volume of 1.09M.

The stock's 52-week range extends from a low of $121.05 to a high of $205.97.

BIIB News

Simply Wall St 6h

A Look At Biogen Valuation After Earnings Beat And Parkinson’s Setback

Biogen (BIIB) is in focus after two headline events: a first quarter 2026 earnings beat with steady revenue guidance but lower earnings expectations, and the di...

TipRanks 1d

Biogen and Denali’s BIIB122 Parkinson’s Trial Completion Sets Up Key Catalyst for Investors

Denali Therapeutics (DNLI), Biogen Inc. (BIIB) announced an update on their ongoing clinical study. Unlock trusted, data-backed investing tools with TipRanks P...

TipRanks 3d

Biogen price target raised to $227 from $222 at RBC Capital

RBC Capital raised the firm’s price target on Biogen (BIIB) to $227 from $222 and keeps an Outperform rating on the shares. The firm is citing findings from its...

Analyst ratings

55%

of 38 ratings

Buy

55.3%

Hold

39.5%

Sell

5.3%

More BIIB News

Seeking Alpha 3d

Biogen faces Italian antitrust probe over rivalry with Sandoz for MS drugs

The Italian Competition Authority on Wednesday announced an investigation into Biogen (BIIB) over alleged abuse of market dominance to sell a multiple sclerosis...

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