Skip to content

BIIB vs IMUX

BIIB: A pioneer in neuroscience and immunology, Biogen is a major biotechnology company focused on addressing high-unmet medical needs in complex diseases like Alzheimer’s, Multiple Sclerosis, and SMA. IMUX: Immunic is a late-stage biotechnology firm developing oral, small-molecule treatments for multiple sclerosis and other neurodegenerative diseases, led by its flagship candidate, vidofludimus calcium.

Side-by-side fundamentals

MetricBIIBIMUXEdge
Price as of 2026-10-20 close$243.10$7.41
Market cap$35.9B$101M
P/E as of 2026-10-2026.14n/a
Net margin FY2025, SEC XBRL+13.1%n/a
Operating margin FY2021, SEC XBRL+25.9%n/a
ROE FY2025, SEC XBRL+7.1%n/a
ROA FY2025, SEC XBRL+4.4%-404.0%BIIB higher
Debt / equity filed borrowings, leases excl., balance sheet 2026-03-310.34n/a
Revenue growth (YoY) FY2025, SEC XBRL+2.2%n/a
Revenue CAGR (3y) SEC XBRL-0.9%n/a
Dividend streak (yrs) SEC XBRL00Tie
Beta as of 2026-09-030.501.07
1-year return as of 2026-10-20 close+65.8%-11.4%BIIB higher

Fundamentals: SEC XBRL company filings for the figures marked with a fiscal year, and market data, as of 2026-09-03 for the rest. Filings: SEC EDGAR. Prices are delayed daily-close data.

Last updated 2026-10-20.

Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & market data, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.