Biogen (BIIB) Change in Taxes (2016 - 2025)
Historic Change in Taxes for Biogen (BIIB) over the last 12 years, with Q4 2025 value amounting to -$194.0 million.
- Biogen's Change in Taxes fell 128292.68% to -$194.0 million in Q4 2025 from the same period last year, while for Dec 2025 it was -$958.1 million, marking a year-over-year decrease of 132050.96%. This contributed to the annual value of -$958.1 million for FY2025, which is 132050.96% down from last year.
- Latest data reveals that Biogen reported Change in Taxes of -$194.0 million as of Q4 2025, which was down 128292.68% from -$229.4 million recorded in Q3 2025.
- Biogen's Change in Taxes' 5-year high stood at $106.7 million during Q2 2021, with a 5-year trough of -$603.8 million in Q2 2025.
- Its 5-year average for Change in Taxes is -$54.5 million, with a median of -$17.6 million in 2021.
- Over the last 5 years, Biogen's Change in Taxes had its largest YoY gain of 324090.91% in 2025, and its largest YoY loss of 1087818.18% in 2025.
- Over the past 5 years, Biogen's Change in Taxes (Quarter) stood at -$29.7 million in 2021, then tumbled by 41.75% to -$42.1 million in 2022, then crashed by 337.53% to -$184.2 million in 2023, then surged by 108.9% to $16.4 million in 2024, then plummeted by 1282.93% to -$194.0 million in 2025.
- Its Change in Taxes was -$194.0 million in Q4 2025, compared to -$229.4 million in Q3 2025 and -$603.8 million in Q2 2025.