Biogen (BIIB) Inventory (2009 - 2026)

Biogen's Inventory history runs 18 years deep, the most recent figure standing at $1.9 billion for Q1 2026.

• In Q1 2026, Inventory fell 14.29% year-over-year to $1.9 billion; the TTM figure through Mar 2026 stood at $1.9 billion (down 14.29% YoY), while the FY2025 annual figure was $2.2 billion, down 11.88% from the prior year.
• Inventory was $1.9 billion for Q1 2026 at Biogen, down from $2.2 billion in the prior quarter.
• In the past five years, Inventory ranged from a high of $3.0 billion in Q3 2023 to a low of $1.2 billion in Q1 2022.
• Historically, Inventory has averaged $2.0 billion across 5 years, with a median of $2.2 billion in 2025.
• The sharpest annual moves came in 2023 and 2024: Inventory surged 116.9% in 2023, then slipped 17.21% in 2024.
• A 5-year view of Inventory shows it stood at $1.3 billion in 2022, then soared by 87.99% to $2.5 billion in 2023, then declined by 2.65% to $2.5 billion in 2024, then fell by 11.88% to $2.2 billion in 2025, then slipped by 10.11% to $1.9 billion in 2026.
• The last three Inventory figures came in at $1.9 billion (Q1 2026), $2.2 billion (Q4 2025), and $2.2 billion (Q3 2025), per Business Quant data.