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Morningstar

Morningstar

Jul 15, 2026

Biogen Inc.: Biogen and Ionis: Mixed Phase 2 Data for Alzheimer's Disease Candidate

Symbols

BIIB

Sector(s)

Healthcare

Rating

Current Price

220.83

Fair Value

Economic Moat

Stewardship

Summary

Biogen is an established biopharmaceutical company focused on treatments for neurodegenerative and rare diseases. Its declining multiple sclerosis franchise is its largest revenue generator and contributed 40% of total revenue in 2025. Biogen also generates significant revenue

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