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Morningstar

Morningstar

Sep 03, 2026

Biogen Inc.: Biogen Is Repositioning Its Portfolio To Partly Offset Ongoing Revenue Declines

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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