Biogen BIIB Debt-to-equity
Debt-to-equity at other companies
Other financials
Where this comes from
Calculated from Biogen’s reported figures.
Based on the most recent quarter.
The official record: Biogen’s 10-Q, filed April 29, 2026, on SEC EDGAR. View the filing →
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Questions, answered.
- What is Biogen's debt-to-equity?
- Biogen (BIIB) reported debt-to-equity of 0.4× in Q1 2026.
- How has Biogen's debt-to-equity changed year-over-year?
- Biogen's debt-to-equity increased by 22.6% year-over-year, from 0.3× to 0.4×.
- What is the long-term trend for Biogen's debt-to-equity?
- Over 4 years (2021 to 2025), Biogen's debt-to-equity has grown at a -15.8% compound annual growth rate (CAGR), from 2.8× to 1.4×.
- What does debt-to-equity mean?
- How much debt the company carries for every dollar of shareholder equity.
- How do you interpret debt-to-equity?
- Lower is generally safer, but moderate leverage can boost returns. Read in the context of cash-flow stability — a utility tolerates more debt than a cyclical. Negative equity makes the ratio meaningless and it is suppressed there.
- How does debt-to-equity compare across companies?
- Comparable within an industry; capital structures differ sharply across sectors. Not meaningful for banks.