SymbolBIIB
NameBIOGEN INC.
SectorHEALTH CARE
RegionNorth America
IndustryBiotechnology: Biological Products (No Diagnostic Substances)
Address225 BINNEY STREET, CAMBRIDGE, Massachusetts, 02142, United States
Telephone+1 617 679-2000
Fax
Email
Websitehttps://www.biogen.com
IncorporationUNDEFINED
Incorporated On
Employees
Fiscal Year
Public Since
ExchangesNASDAQ
Auditor
Audit StatusNOT PROVIDED
Reporting Status
CIK
Description

Biogen and Idec merged in 2003, combining forces to market Biogens multiple sclerosis drug Avonex and Idecs cancer drug Rituxan. Today, Rituxan and next-generation antibody Gazyva are marketed via a collaboration with Roche. Biogen also markets novel MS drugs Plegridy, Tysabri, Tecfidera, and Vumerity. In Japan, Biogens MS portfolio is co-promoted by Eisai. Hemophilia therapies Eloctate and Alprolix (partnered with SOBI) were spun off as part of Bioverativ in 2017. Biogen has several drug candidates in phase 3 trials in neurology and neurodegenerative diseases and has launched Spinraza with partner Ionis. Aduhelm was approved as the firms first Alzheimers disease therapy in June 2021.

Additional info from NASDAQ:
Biogen and Idec merged in 2003, combining forces to market Biogens multiple sclerosis drug Avonex and Idecs cancer drug Rituxan. Today, Rituxan and next-generation antibody Gazyva are marketed via a collaboration with Roche. Biogen also markets novel MS drugs Plegridy, Tysabri, Tecfidera, and Vumerity. In Japan, Biogens MS portfolio is co-promoted by Eisai. Hemophilia therapies Eloctate and Alprolix (partnered with SOBI) were spun off as part of Bioverativ in 2017. Biogen has several drug candidates in phase 3 trials in neurology and neurodegenerative diseases and has launched Spinraza with partner Ionis. Aduhelm was approved as the firms first Alzheimers disease therapy in June 2021.

2026-04-28 17:47

New Form ARS - BIOGEN INC. <b>Filed:</b> 2026-04-28 <b>AccNo:</b> 0001193125-26-187407 <b>Size:</b> 1 MB

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2026-04-28 17:43

New Form DEFA14A - BIOGEN INC. <b>Filed:</b> 2026-04-28 <b>AccNo:</b> 0001193125-26-187383 <b>Size:</b> 856 KB

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2026-04-28 17:35

New Form DEF 14A - BIOGEN INC. <b>Filed:</b> 2026-04-28 <b>AccNo:</b> 0001193125-26-187303 <b>Size:</b> 8 MB

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2026-04-20 11:30

Biogen Enters into Agreement with TJ Biopharma for Felzartamab Assets in the Greater China Region

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2026-04-20 11:30

TJ Biopharma Enters into Agreement with Biogen for Felzartamab Assets in the Greater China Region

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2026-04-06 19:12

New Form 3 - BIOGEN INC. <b>Filed:</b> 2026-04-06 <b>AccNo:</b> 0000950157-26-000479 <b>Size:</b> 9 KB

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2026-04-06 10:31

(99% Neutral) BIOGEN INC. (BIIB) Reports Q2 2026 Financial Results

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2026-04-03 20:05

Godbout Sean 🟡 adjusted position in 54 shares (1 derivative) of BIOGEN INC. (BIIB) at $183.78 Transaction Date: Apr 01, 2026 | Filing ID: 000036

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2026-03-31 10:59

Biogen to Acquire Apellis, Enhancing the Company’s Growth Portfolio in Immunology and Rare Disease, Bolstering Growth Outlook and Accelerating Expansion into Nephrology

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2026-03-30 11:30

FDA Approves New High Dose Regimen of SPINRAZA® (nusinersen) for Spinal Muscular Atrophy

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