Biogen (BIIB) Debt Ratio (2009 - 2026)

Biogen has reported Debt Ratio for 18 years, with the latest figure at 0.25 in Q2 2026.

• On a quarterly basis, Debt Ratio rose 11.03% year-over-year to 0.25 in Q2 2026; TTM through Jun 2026 was 0.25, a 11.03% increase from a year earlier, with the FY2025 full-year figure at 0.21, down 25.54% from the prior year.
• Debt Ratio was 0.25 for Q2 2026 at Biogen, up from 0.21 in the prior quarter.
• The five-year high for Debt Ratio was 0.35 in Q1 2022, with the low at 0.21 in Q1 2026.
• Average Debt Ratio over 5 years is 0.26, with a median of 0.26 recorded in 2024.
• The largest YoY upside for Debt Ratio was 15.02% in 2022 against a maximum downside of 27.27% in 2022.
• Over 5 years, Debt Ratio stood at 0.26 in 2022, then gained by 3.22% to 0.26 in 2023, then advanced by 8.62% to 0.29 in 2024, then decreased by 25.54% to 0.21 in 2025, then advanced by 18.07% to 0.25 in 2026.
• The last three Debt Ratio figures came in at 0.25 (Q2 2026), 0.21 (Q1 2026), and 0.21 (Q4 2025), per Business Quant data.