Skip to main navigation Investor Relations Corporate Profile At Biogen, our mission is clear: we are pioneers in neuroscience. Biogen discovers, develops, and delivers worldwide innovative therapies for people living with serious neurological and neurodegenerative diseases as well as related therapeutic adjacencies. One of the world’s first global biotechnology companies, Biogen was founded in 1978 by Charles Weissmann, Heinz Schaller, Kenneth Murray, and Nobel Prize winners Walter Gilbert and Phillip Sharp. Today, Biogen has the leading portfolio of medicines to treat multiple sclerosis, has introduced the first approved treatment for spinal muscular atrophy, commercializes biosimilars of advanced biologics, and is focused on advancing research programs in multiple sclerosis and neuroimmunology, Alzheimer’s disease and dementia, neuromuscular disorders, movement disorders, ophthalmology, neuropsychiatry, immunology, acute neurology, and neuropathic pain. Change Volume 52 Week High 52 Week Low Nov 24, 2021 12:22 AM EST Data Provided by Refinitiv. Minimum 15 minutes delayed. The Latest News Statement on JAMA Neurology Publication about Amyloid-Related Imaging Abnormalities in Two Phase 3 Studies Evaluating Aducanumab in Early Alzheimer’s Disease Nov 22, 2021 Today, Biogen and Eisai announced that the Journal of the American Medical Association (JAMA) Neurology published a peer-reviewed paper about findings around amyloid-related imaging abnormalities (ARIA) in the Phase 3 trials of ADUHELM (aducanumab-avwa). View All News NEWSROOM Events Nov 11, 2021 at 5:10 PM EST Dose and time dependent changes in plasma ptau181 in patients treated with aducanumab in the ENGAGE and EMERGE trials at CTAD Listen to webcast View All Events VIEW ALL EVENTS Annual Reports 2020 Annual Report View All Reports VIEW ALL SEC FILINGS Tools Print Page Stockholder Communications E-mail Alerts FAQs Footer Links Investors Careers News Releases Our Stories Receive Our Updates Contact Us Follow us: Legal Community Guidelines Cookie Policy Forward-Looking Statement Notice to CA Residents Privacy Policy Terms & Conditions © 2021 Biogen