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
27.76B
Market cap27.76B
Price-Earnings ratio
20.45
Price-Earnings ratio20.45
Dividend yield
Dividend yield
Average volume
1.28M
Average volume1.28M
High today
$193.38
High today$193.38
Low today
$186.37
Low today$186.37
Open price
$191.48
Open price$191.48
Volume
468.31K
Volume468.31K
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 $188.04, with a market capitalization of 27.76B. The stock trades at a price-to-earnings (P/E) ratio of 20.45.

During the trading session on 2026-05-20, Biogen(BIIB) shares reached a daily high of $193.38 and a low of $186.37. At a current price of $188.04, the stock is +0.9% higher than the low and still -2.8% under the high.

Trading volume for Biogen(BIIB) stock has reached 468.31K, versus its average volume of 1.28M.

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

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

BIIB News

Simply Wall St 9h
How Biogen’s Diranersen Alzheimer’s Bet Will Impact Biogen Investors

Earlier in May 2026, Biogen reported topline Phase 2 CELIA data for diranersen in early Alzheimer’s disease, showing robust tau reductions and signals of slowed...

How Biogen’s Diranersen Alzheimer’s Bet Will Impact Biogen Investors
Simply Wall St 10h
Ionis Rises As Diranersen Phase 2 Spurs Biogen Registrational Plans

Biogen and Ionis reported topline Phase 2 CELIA data for diranersen in early Alzheimer's disease, showing robust biomarker and cognitive effects. The antisense...

Ionis Rises As Diranersen Phase 2 Spurs Biogen Registrational Plans
TipRanks 18h
Biogen Earnings Call Signals Confident, Investment-Heavy Transition

Biogen Inc. ((BIIB)) has held its Q1 earnings call. Read on for the main highlights of the call. Claim 55% Off TipRanks Unlock hedge fund-level data and powerfu...

Analyst ratings

55%

of 38 ratings
Buy
55.3%
Hold
39.5%
Sell
5.3%

More BIIB News

Simply Wall St 2d
Assessing Biogen Valuation After Recent Share Price Momentum And Earnings Expectations

Advertisement Biogen stock reaction and recent performance snapshot Biogen (BIIB) has been in focus for investors after recent trading left the stock at a las...

Assessing Biogen Valuation After Recent Share Price Momentum And Earnings Expectations
Simply Wall St 4d
A Look At Apellis Pharmaceuticals Valuation After The Biogen Acquisition Announcement

Advertisement Why Apellis Pharmaceuticals (APLS) Is On Investors’ Radar Apellis Pharmaceuticals (APLS) has drawn fresh attention after being acquired by Bioge...

A Look At Apellis Pharmaceuticals Valuation After The Biogen Acquisition Announcement
Simply Wall St 4d
Biogen’s Diranersen Moves To Late-Stage Alzheimer’s Trials And Investor Focus

Biogen (NasdaqGS:BIIB) is advancing its experimental Alzheimer’s drug diranersen into late stage trials after Phase 2 CELIA data. The therapy, an antisense oli...

Biogen’s Diranersen Moves To Late-Stage Alzheimer’s Trials And Investor Focus
TipRanks 5d
Goldman’s Richter Reiterates Buy on Biogen as Leqembi Outperforms and Price Target Rises from $238 to $250

Analyst Salveen Richter of Goldman Sachs maintained a Buy rating on Biogen, boosting the price target to $250.00. Claim 55% Off TipRanks Unlock hedge fund-level...

TipRanks 5d
Biogen: Hold Rating Reiterated as Pipeline Concerns Offset Leqembi Growth; $196 Price Target Maintained

Evan Seigerman, an analyst from BMO Capital, maintained the Hold rating on Biogen. The associated price target remains the same with $196.00. Unlock hedge fund...

TipRanks 5d
Biogen resumed with an Outperform at Evercore ISI

Evercore ISI resumed coverage of Biogen (BIIB) with an Outperform rating. Biogen’s recent update “brings a mix of insights regarding the tau program for Alzheim...

TipRanks 5d
Hold Rating Maintained on Biogen as BIIB080 Moves to Phase 3; Risk-Reward Seen Balanced with Unchanged $206 Price Target

Morgan Stanley analyst Terence Flynn maintained a Hold rating on Biogen yesterday and set a price target of $206.00. Claim 55% Off TipRanks Unlock hedge fund-le...

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