Using the latest TTM figures, Biogen shows a gross margin of 74%, an operating margin of 4.3%, an EBITDA margin of 12.9%, and a net margin of 3.4%. Operating margin had the largest decline, falling by 14.6 percentage points, while the other available margins also weakened.
Over the last 3 years, Biogen recorded average margins of 75.15% gross, 15.1% operating, 22.43% EBITDA, and 12.88% net. The current gross, operating, EBITDA, and net margins are all below their three-year averages.
Year over year, gross, operating, EBITDA, and net margins all declined, with operating margin showing the largest decrease at 14.6 percentage points.
Over the last 3 years, the average gross margin for Biogen was 75.15%. Biogen's current gross margin is 74% and is 1.2 percentage points below its three-year average. Biogen's gross margin ranged from a low of 74% in Jun 2026 to a high of 76.1% in Dec 2024.
Across the last 3 years, Biogen's operating margin stood at 15.1%. The current operating margin stands at 4.3%, 10.8 percentage points below its three-year average. Operating margin was highest at 19.8% in Sep 2024 and lowest at 4.3% in Sep 2026.
Biogen recorded an average EBITDA margin of 22.43% across the last 3 years. Compared with its three-year average, Biogen's current EBITDA margin is 12.9% and is 9.5 percentage points below its three-year average. The highest EBITDA margin for Biogen was 27.3% in Dec 2024, while the lowest was 12.9% in Sep 2026.
Across the last 3 years, Biogen's net margin stood at 12.88%. The current net margin stands at 3.4%, 9.5 percentage points below its three-year average. Net margin was highest at 16.9% in Dec 2024 and lowest at 3.4% in Sep 2026.
Biogen's gross margin of 74% is higher than the Healthcare sector, the industry and its peers average. In comparison with the Healthcare sector average of 68.3%, Biogen's gross margin is 8% higher.
As of Sep 30, 2026, BIIB has a gross margin of 74%.
For the period ending Sep 30, 2026, BIIB recorded an operating margin of 4.3%.
As of Sep 30, 2026, BIIB has an EBITDA margin of 12.9%.
The current net margin for BIIB is 3.4% as of Sep 30, 2026.
Over the last 3 years, Biogen's margins averaged 75.2% gross, 15.1% operating, 22.4% EBITDA, and 12.9% net.
In the last 5 years, the highest margins reported by BIIB were 80.8% gross in Dec 2021, 36.4% operating in Mar 2023, 42.6% EBITDA in Sep 2022, and 31% net in Mar 2023.
Over this 5-year history, Biogen's margins fell as low as 74% gross in Jun 2026, 4.3% operating in Sep 2026, 12.9% EBITDA in Sep 2026, and 3.4% net in Sep 2026.