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

33.16B

Market cap33.16B

Price-Earnings ratio

39.43

Price-Earnings ratio39.43

Dividend yield

—

Dividend yield—

Average volume

696.55K

Average volume696.55K

High today

$225.80

High today$225.80

Low today

$221.23

Low today$221.23

Open price

$225.80

Open price$225.80

Volume

549.27K

Volume549.27K

52 Week high

$225.80

52 Week high$225.80

52 Week low

$135.39

52 Week low$135.39

Stock Snapshot

The current Biogen(BIIB) stock price is $224.51, with a market capitalization of 33.16B. The stock trades at a price-to-earnings (P/E) ratio of 39.43.

During the trading session on 2026-09-03, Biogen(BIIB) shares reached a daily high of $225.80 and a low of $221.23. At a current price of $224.51, the stock is +1.5% higher than the low and still -0.6% under the high.

Trading volume for Biogen(BIIB) stock has reached 549.27K, versus its average volume of 696.55K.

The stock's 52-week range extends from a low of $135.39 to a high of $225.80.

BIIB News

TipRanks 4h

Stoke Therapeutics, Biogen present long-term data on Zorevunersen

“Stoke Therapeutics (STOK) and Biogen Inc. (BIIB) announced presentations of data at the 16th European Epilepsy Congress taking place September 5-9 in Athens, G...

Investing.com 14h

Piper Sandler raises Biogen stock price target on pipeline outlook - Investing.com

...

TipRanks 17h

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...

Analyst ratings

67%

of 36 ratings

Buy

66.7%

Hold

30.6%

Sell

2.8%

More BIIB News

TipRanks 18h

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 1d

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...

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