Biogen · Purchases of Investments

Latest reported-$91.00Mperiod endingJun 30, 2026

BIIB Purchases of Investments (-$52.00M → -$91.00M)

Annual purchases of investments

High-resolution chart · PNG

BIIB purchases of investments history

Annual fiscal periods · USD. Dates are reporting period ends; fiscal years can differ from calendar years.

Biogen Purchases of Investments — Annual fiscal periods (USD)
Period ending	Purchases of Investments (USD)
Dec 31, 2025	-1,258,300,000
Dec 31, 2024	0
Dec 31, 2023	-5,140,700,000
Dec 31, 2022	-3,448,500,000
Dec 31, 2021	-3,808,700,000
Dec 31, 2020	-7,404,200,000
Dec 31, 2019	-5,252,600,000
Dec 31, 2018	-8,157,700,000
Dec 31, 2017	-5,355,200,000
Dec 31, 2016	-7,913,200,000
Dec 31, 2015	-6,864,900,000
Dec 31, 2014	-3,583,100,000
Dec 31, 2013	-3,278,100,000
Dec 31, 2012	-3,334,434,000
Dec 31, 2011	-3,696,995,000
Dec 31, 2010	-1,988,394,000
Dec 31, 2009	-3,592,205,000
Dec 31, 2008	-3,184,197,000
Dec 31, 2007	-2,968,916,000
Dec 31, 2006	-1,959,365,000
Dec 31, 2005	-1,454,147,000
Dec 31, 2004	-3,213,051,000
Dec 31, 2003	-1,233,251,000
Dec 31, 2002	-1,501,404,000
Dec 31, 2001	-827,807,000
Dec 31, 2000	-627,168,000
Dec 31, 1999	-1,120,218,000
Dec 31, 1998	-574,021,000
Dec 31, 1997	-481,783,000
Dec 31, 1996	-369,893,000
Dec 31, 1995	-349,025,000
Dec 31, 1994	-26,625,000
Dec 31, 1993	-53,200,000
Dec 31, 1992	-11,600,000
Dec 31, 1991	-37,300,000
Dec 31, 1990	-15,300,000
Dec 31, 1989	-52,000,000