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

32.91B

Market cap32.91B

Price-Earnings ratio

38.26

Price-Earnings ratio38.26

Dividend yield

—

Dividend yield—

Average volume

722.34K

Average volume722.34K

High today

—

High today—

Low today

—

Low today—

Open price

$218.20

Open price$218.20

Volume

0.00

Volume0.00

52 Week high

$225.59

52 Week high$225.59

52 Week low

$135.39

52 Week low$135.39

Stock Snapshot

The current Biogen(BIIB) stock price is $224.92, with a market capitalization of 32.91B. The stock trades at a price-to-earnings (P/E) ratio of 38.26.

On 2026-09-03, Biogen(BIIB) shares started trading at $218.20, with intraday highs of — and lows of —.

Trading volume for Biogen(BIIB) stock has reached 0, versus its average volume of 722.34K.

The stock's 52-week range extends from a low of $135.39 to a high of $225.59.

BIIB News

TipRanks 2h

Biogen price target raised to $245 from $225 at Piper Sandler

Piper Sandler raised the firm’s price target on Biogen (BIIB) to $245 from $225 and keeps an Overweight rating on the shares. The firm cites post-Q2 model updat...

TipRanks 2h

Biogen, Eisai announce NMPA of China approves subcutaneous Leqembi

Eisai (ESAIY) and Biogen (BIIB) announced that the National Medical Products Administration of China has approved the subcutaneous formulation, the anti-amyloid...

Simply Wall St 12h

How Biogen’s At-Home LEQEMBI Injections Could Reframe the Alzheimer’s Treatment Investment Story

In August 2026, Eisai and Biogen announced that once-weekly LEQEMBI IQLIK subcutaneous injections are now available in the U.S. for at-home initiation and maint...

Analyst ratings

67%

of 36 ratings

Buy

66.7%

Hold

30.6%

Sell

2.8%

More BIIB News

Investing.com 21h

Biogen stock hits 52-week high at 222.86 USD - Investing.com

...

TipRanks 2d

Stoke Therapeutics, Biogen present clinical data of Dravet syndrome candidate

Stoke Therapeutics (STOK) and Biogen (BIIB) announced presentations of data at the 16th European Epilepsy Congress September 5-9 in Athens. These data support t...

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