Biogen (BIIB) Divestments (2009 - 2025)

Biogen (BIIB) has reported Divestments for 7 consecutive years, with $56.7 million the latest figure, recorded in Q4 2025.

• In Q4 2025, Divestments rose 121.63% year-over-year to $56.7 million; the TTM figure through Dec 2025 stood at -$205.4 million (up 77.93% YoY), while the FY2025 annual figure was $56.7 million, down 60.82% from the prior year.
• Divestments came in at $56.7 million for Q4 2025 at Biogen, up from -$262.1 million in the prior quarter.
• The five-year high for Divestments was $990.3 million in Q2 2022, with the low at -$990.3 million in Q4 2022.
• Average Divestments over 5 years is -$86.7 million, with a median of $28.1 million recorded in 2021.
• The largest YoY upside for Divestments was 3624.2% in 2022 against a maximum downside of 1614.22% in 2022.
• Year by year, Divestments stood at $65.4 million in 2021, then slumped by 1614.22% to -$990.3 million in 2022, then soared by 32.5% to -$668.5 million in 2023, then soared by 60.79% to -$262.1 million in 2024, then jumped by 121.63% to $56.7 million in 2025.
• According to Business Quant data, Divestments over the past three periods registered $56.7 million, -$262.1 million, and -$668.5 million for Q4 2025, Q4 2024, and Q4 2023 respectively.