Biogen (BIIB) Total Debt (2009 - 2025)

Biogen (BIIB) has reported Total Debt for 16 consecutive years, with $6.3 billion the latest figure, recorded in Q4 2025.

• In Q4 2025, Total Debt changed 0.14% year-over-year to $6.3 billion; the TTM figure through Dec 2025 stood at $6.3 billion (changed 0.14% YoY), while the FY2025 annual figure was $6.3 billion, changed 0.14% from the prior year.
• Total Debt came in at $6.3 billion for Q4 2025 at Biogen, up from $150.0 million in the prior quarter.
• The five-year high for Total Debt was $6.9 billion in Q4 2023, with the low at $150.0 million in Q2 2025.
• Average Total Debt over 5 years is $4.5 billion, with a median of $6.3 billion recorded in 2022.
• Across the five-year window, Total Debt jumped 528.67% in 2022 and decreased 9.26% in 2024, its largest moves.
• Year by year, Total Debt stood at $999.1 million in 2021, then surged by 528.67% to $6.3 billion in 2022, then rose by 10.46% to $6.9 billion in 2023, then slipped by 9.26% to $6.3 billion in 2024, then slipped by 0.14% to $6.3 billion in 2025.
• According to Business Quant data, Total Debt over the past three periods registered $6.3 billion, $150.0 million, and $6.3 billion for Q4 2025, Q2 2025, and Q4 2024 respectively.