Biogen (BIIB) Deferred Taxes (2009 - 2026)

Biogen's Deferred Taxes history runs 18 years deep, the most recent figure standing at $23.6 million for Q1 2026.

• In Q1 2026, Deferred Taxes rose 184.89% year-over-year to $23.6 million; the TTM figure through Mar 2026 stood at $413.0 million (up 282.91% YoY), while the FY2025 annual figure was $361.6 million, up 328.72% from the prior year.
• Deferred Taxes was $23.6 million for Q1 2026 at Biogen, down from $166.9 million in the prior quarter.
• In the past five years, Deferred Taxes ranged from a high of $253.8 million in Q3 2025 to a low of -$206.8 million in Q3 2023.
• Historically, Deferred Taxes has averaged -$14.5 million across 5 years, with a median of -$31.3 million in 2025.
• The sharpest annual moves came in 2023 and 2025: Deferred Taxes slumped 6550.0% in 2023, then jumped 582.51% in 2025.
• A 5-year view of Deferred Taxes shows it stood at -$28.8 million in 2022, then surged by 349.65% to $71.9 million in 2023, then slumped by 181.22% to -$58.4 million in 2024, then jumped by 385.79% to $166.9 million in 2025, then tumbled by 85.86% to $23.6 million in 2026.
• The last three Deferred Taxes figures came in at $23.6 million (Q1 2026), $166.9 million (Q4 2025), and $253.8 million (Q3 2025), per Business Quant data.