Biogen

1D
1W
1M
3M
YTD
1Y
5Y
ALL

Trade Biogen 24 hours a day, five days a week on Robinhood.

Robinhood gives you the tools to revolutionize your trading experience. Use the streamlined mobile app, or access advanced charts and execute precise trades on our browser-based platform, Robinhood Legend. Risks and limitations apply.

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
25.94B
Market cap25.94B
Price-Earnings ratio
16.61
Price-Earnings ratio16.61
Dividend yield
Dividend yield
Average volume
2.16M
Average volume2.16M
High today
$181.78
High today$181.78
Low today
$176.00
Low today$176.00
Open price
$179.79
Open price$179.79
Volume
1.00M
Volume1.00M
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 $176.84, giving the company a market capitalization of 25.94B. It carries a P/E multiple of 16.61.

During the trading session on 2025-12-01, Biogen(BIIB) shares reached a daily high of $181.78 and a low of $176.00. At a current price of $176.84, the stock is +0.5% higher than the low and still -2.7% under the high.

Trading activity shows a volume of 1M, compared to an average daily volume of 2.16M.

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 2d
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 3d
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
TipRanks 6d
Eisai completes rolling submission of sBLA for Leqembi Iqlik to FDA

Eisai Co. (ESAIY) and Biogen (BIIB) announced that Eisai has completed the rolling submission of the Supplemental Biologics License Application to the U.S. FDA...

Analyst ratings

50%

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

More BIIB News

Simply Wall St 7d
Why Biogen Is Up 7.4% After Announcing Dayra Immunology Collaboration and Pipeline Expansion

In November 2025, Biogen and Dayra Therapeutics announced a research collaboration to develop oral macrocyclic peptide therapies for immunological disorders, wi...

Why Biogen Is Up 7.4% After Announcing Dayra Immunology Collaboration and Pipeline Expansion
Investor's Business Daily 7d
Novo Dives After Weight-Loss Pill Fails In Alzheimer's Disease; Biogen Jumps

News Novo Dives After Weight-Loss Pill Fails In Alzheimer's Disease; Biogen Jumps Licensing Novo Nordisk (NVO) stock toppled Monday after its weight-loss pill f...

Novo Dives After Weight-Loss Pill Fails In Alzheimer's Disease; Biogen Jumps

People also own

Based on the portfolios of people who own BIIB. This list is generated using Robinhood data, and it’s not a recommendation.
All investments involve risks, including the loss of principal. Securities trading offered through Robinhood Financial LLC, Member SIPC and a registered broker-dealer.