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Biogen (BIIB) Long-Term Deferred Tax (2017 - 2025)

Historic Long-Term Deferred Tax for Biogen (BIIB) over the last 9 years, with Q4 2025 value amounting to $292.5 million.

  • Biogen's Long-Term Deferred Tax fell 977.79% to $292.5 million in Q4 2025 from the same period last year, while for Dec 2025 it was $292.5 million, marking a year-over-year decrease of 977.79%. This contributed to the annual value of $292.5 million for FY2025, which is 977.79% down from last year.
  • According to the latest figures from Q4 2025, Biogen's Long-Term Deferred Tax is $292.5 million, which was down 977.79% from $312.4 million recorded in Q3 2025.
  • Biogen's 5-year Long-Term Deferred Tax high stood at $1.8 billion for Q2 2021, and its period low was $292.5 million during Q4 2025.
  • Moreover, its 5-year median value for Long-Term Deferred Tax was $1.1 billion (2022), whereas its average is $1.0 billion.
  • As far as peak fluctuations go, Biogen's Long-Term Deferred Tax skyrocketed by 3186.69% in 2021, and later plummeted by 6775.06% in 2025.
  • Biogen's Long-Term Deferred Tax (Quarter) 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 plummeted by 65.09% to $324.2 million in 2024, then dropped by 9.78% to $292.5 million in 2025.
  • Its Long-Term Deferred Tax was $292.5 million in Q4 2025, compared to $312.4 million in Q3 2025 and $330.9 million in Q2 2025.