Biogen (BIIB) Gross Margin (2009 - 2026)

Biogen's Gross Margin history runs 18 years deep, the most recent figure standing at 73.32% for Q1 2026.

• In Q1 2026, Gross Margin fell 79.0% year-over-year to 73.32%; the TTM figure through Mar 2026 stood at 75.49% (down 9.0% YoY), while the FY2025 annual figure was 75.69%, down 43.0% from the prior year.
• Gross Margin was 73.32% for Q1 2026 at Biogen, down from 78.26% in the prior quarter.
• In the past five years, Gross Margin ranged from a high of 93.55% in Q4 2022 to a low of 73.09% in Q1 2023.
• Historically, Gross Margin has averaged 78.94% across 5 years, with a median of 76.33% in 2024.
• The sharpest annual moves came in 2022 and 2024: Gross Margin soared 689 bps in 2022, then plunged 1690 bps in 2024.
• A 5-year view of Gross Margin shows it stood at 93.55% in 2022, then decreased by 0 bps to 93.13% in 2023, then fell by 18 bps to 76.23% in 2024, then increased by 3 bps to 78.26% in 2025, then slipped by 6 bps to 73.32% in 2026.
• The last three Gross Margin figures came in at 73.32% (Q1 2026), 78.26% (Q4 2025), and 73.39% (Q3 2025), per Business Quant data.