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
27.50B
Market cap27.50B
Price-Earnings ratio
20.92
Price-Earnings ratio20.92
Dividend yield
Dividend yield
Average volume
968.49K
Average volume968.49K
High today
$190.09
High today$190.09
Low today
$185.55
Low today$185.55
Open price
$186.16
Open price$186.16
Volume
771.79K
Volume771.79K
52 Week high
$202.41
52 Week high$202.41
52 Week low
$110.04
52 Week low$110.04

Stock Snapshot

Biogen(BIIB) stock is priced at $187.57, giving the company a market capitalization of 27.5B. It carries a P/E multiple of 20.92.

On 2026-03-31, Biogen(BIIB) stock moved within a range of $185.55 to $190.09. With shares now at $187.57, the stock is trading +1.1% above its intraday low and -1.3% below the session's peak.

Trading activity shows a volume of 771.79K, compared to an average daily volume of 968.49K.

Over the past 52 weeks, Biogen(BIIB) stock has traded between a high of $202.41 and a low of $110.04.

Over the past 52 weeks, Biogen(BIIB) stock has traded between a high of $202.41 and a low of $110.04.

BIIB News

TipRanks 17h
High-dose Spinraza approval, AMETHYST data drivers for Biogen, says BMO Capital

BMO Capital analyst Evan Seigerman says high-dose Spinraza approval and positive Phase 2 AMETHYST trial data are both “likely positive drivers” of Biogen (BIIB)...

TipRanks 19h
Biogen (Litifilimab/Lupus): Encouraging Early Data but Competitive and Clinical Risks Support a Neutral Hold

Needham analyst Ami Fadia has maintained their neutral stance on BIIB stock, giving a Hold rating yesterday. End of Quarter Sale - 50% Off TipRanks Unlock hedge...

TipRanks 20h
Balanced but Constrained Upside: Hold Rating on Biogen as Modest Litifilimab Data Meet Rising Lupus Competition

Analyst Terence Flynn of Morgan Stanley maintained a Hold rating on Biogen, retaining the price target of $190.00. End of Quarter Sale - 50% Off TipRanks Unlock...

Analyst ratings

54%

of 35 ratings
Buy
42.9%
Hold
54.3%
Sell
2.9%

More BIIB News

Nasdaq 1d
Biogen's Litifilimab Shows Promise In Cutaneous Lupus Study

(RTTNews) - Biogen Inc. (BIIB) announced positive results from Part A of the AMETHYST Phase 2/3 study of litifilimab in people living with cutaneous lupus eryth...

Biogen's Litifilimab Shows Promise In Cutaneous Lupus Study
TipRanks 2d
Biogen announces AMETHYST Part A met primary endpoint with litifilimab

Biogen (BIIB) announced positive results from the Phase 2 part of the AMETHYST Phase 2/3 study of litifilimab in people living with cutaneous lupus erythematosu...

Simply Wall St 3d
Should Biogen’s ALT-B4 Alzheimer’s Delivery Deal Reshape How BIIB Investors View Its Risk Profile?

In March 2026, Alteogen announced an exclusive license deal giving Biogen rights to develop subcutaneous formulations for two biologic products using ALT-B4 Hyb...

Should Biogen’s ALT-B4 Alzheimer’s Delivery Deal Reshape How BIIB Investors View Its Risk Profile?
TipRanks 4d
Biogen Advances Litifilimab Delivery Study, Sharpening Its Autoimmune Launch Strategy

Biogen Inc. (BIIB) announced an update on their ongoing clinical study. Biogen Inc. (BIIB) has completed a Phase 1 study titled “A Randomized, Open-Label, 2-Ar...

Simply Wall St 4d
Biogen Hybrozyme Deal Links Subcutaneous Biologics Push With Valuation Gap

Biogen (NasdaqGS:BIIB) has entered an exclusive license agreement with Alteogen for its Hybrozyme (ALT-B4) technology. The deal focuses on developing and comme...

Biogen Hybrozyme Deal Links Subcutaneous Biologics Push With Valuation Gap
Nasdaq 5d
Alteogen Stock Up On Upto $579 Mln Deal With Biogen For Hybrozyme-Based Subcutaneous Biologics

(RTTNews) - Shares of Alteogen Inc. (196170.KQ) gained around 6 percent on Thursday's trading in South Korea after the biopharma company announced that it has e...

Alteogen Stock Up On Upto $579 Mln Deal With Biogen For Hybrozyme-Based Subcutaneous Biologics

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