Biogen (BIIB) Debt Ratio (2009 - 2025)

Biogen (BIIB) has reported Debt Ratio for 16 consecutive years, with 0.21 the latest figure, recorded in Q4 2025.

• In Q4 2025, Debt Ratio fell 4.86% year-over-year to 0.21; the TTM figure through Dec 2025 stood at 0.21 (down 4.86% YoY), while the FY2025 annual figure was 0.21, down 4.86% from the prior year.
• Debt Ratio came in at 0.21 for Q4 2025 at Biogen, up from 0.01 in the prior quarter.
• The five-year high for Debt Ratio was 0.26 in Q4 2023, with the low at 0.01 in Q2 2025.
• Average Debt Ratio over 5 years is 0.17, with a median of 0.22 recorded in 2024.
• Across the five-year window, Debt Ratio soared 511.34% in 2022 and decreased 13.16% in 2024, its largest moves.
• Year by year, Debt Ratio stood at 0.04 in 2021, then jumped by 511.34% to 0.26 in 2022, then increased by 1.04% to 0.26 in 2023, then decreased by 13.16% to 0.22 in 2024, then slipped by 4.86% to 0.21 in 2025.
• According to Business Quant data, Debt Ratio over the past three periods registered 0.21, 0.01, and 0.22 for Q4 2025, Q2 2025, and Q4 2024 respectively.