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

28.42B

Market cap28.42B

Price-Earnings ratio

20.54

Price-Earnings ratio20.54

Dividend yield

—

Dividend yield—

Average volume

1.05M

Average volume1.05M

High today

$195.20

High today$195.20

Low today

$189.50

Low today$189.50

Open price

$189.51

Open price$189.51

Volume

493.88K

Volume493.88K

52 Week high

$202.41

52 Week high$202.41

52 Week low

$115.25

52 Week low$115.25

Stock Snapshot

The current Biogen(BIIB) stock price is $192.51, with a market capitalization of 28.42B. The stock trades at a price-to-earnings (P/E) ratio of 20.54.

During the trading session on 2026-05-08, Biogen(BIIB) shares reached a daily high of $195.20 and a low of $189.50. At a current price of $192.51, the stock is +1.6% higher than the low and still -1.4% under the high.

Trading volume for Biogen(BIIB) stock has reached 493.88K, versus its average volume of 1.05M.

The stock's 52-week range extends from a low of $115.25 to a high of $202.41.

BIIB News

Simply Wall St 41m

Assessing Biogen Valuation After Recent Share Price Momentum And Pipeline Prospects

Advertisement Why Biogen (BIIB) is on investors’ radar today Biogen (BIIB) has drawn fresh attention after recent share price moves, with the stock up about 9...

Benzinga 4h

Biogen Stock Gains Despite Extended FDA Review For Alzheimer's Therapy

• Biogen stock is showing upward movement. What’s driving BIIB shares up? Biogen Leqembi Iqlik FDA Review Update The FDA has extended the review period for Bi...

TipRanks 10h

Eisai, Biogen announce FDA extension of review period for lecanemab-irmb sBLA

Eisai (ESAIY) and Biogen (BIIB) announced that the FDA has extended the review period by three months for the supplemental biologics license application, or sBL...

Analyst ratings

53%

of 38 ratings

Buy

52.6%

Hold

42.1%

Sell

5.3%

More BIIB News

TipRanks 4d

Apellis Updates Executive Separation Plan Amid Biogen Merger

Unlock hedge fund-level data and powerful investing tools for smarter, sharper decisions Discover top-performing stock ideas and upgrade to a portfolio of mark...

Simply Wall St 5d

How Investors Are Reacting To Biogen Earnings Beat, Lower Guidance, And Felzartamab China Deal

In April 2026, Biogen Inc. reported first-quarter 2026 results showing revenue of US$2.48 billion and net income of US$319.5 million, with earnings per share ri...

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