Biogen (BIIB) Long-Term Deferred Tax (2017 - 2025)
Biogen has reported Long-Term Deferred Tax over the past 9 years, most recently at $292.5 million for Q4 2025.
- Quarterly results put Long-Term Deferred Tax at $292.5 million for Q4 2025, down 9.78% from a year ago — trailing twelve months through Dec 2025 was $292.5 million (down 9.78% YoY), and the annual figure for FY2025 was $292.5 million, down 9.78%.
- Long-Term Deferred Tax for Q4 2025 was $292.5 million at Biogen, down from $312.4 million in the prior quarter.
- Over the last five years, Long-Term Deferred Tax for BIIB hit a ceiling of $1.8 billion in Q2 2021 and a floor of $292.5 million in Q4 2025.
- Median Long-Term Deferred Tax over the past 5 years was $1.1 billion (2022), compared with a mean of $1.0 billion.
- Biggest five-year swings in Long-Term Deferred Tax: soared 31.87% in 2021 and later plummeted 67.75% in 2025.
- Biogen's Long-Term Deferred Tax stood at $1.4 billion in 2021, then dropped by 13.33% to $1.2 billion in 2022, then decreased by 24.28% to $928.6 million in 2023, then crashed by 65.09% to $324.2 million in 2024, then fell by 9.78% to $292.5 million in 2025.
- The last three reported values for Long-Term Deferred Tax were $292.5 million (Q4 2025), $312.4 million (Q3 2025), and $330.9 million (Q2 2025) per Business Quant data.