Purchases of Investments

$748.80M

Quarterly · Period ending: Jun 30, 2026 · USD

Latest reported$748.80Mperiod endingJun 30, 2026

BIIB Quarterly Purchases of Investments (-$2.50M → $748.80M)

Quarterly purchases of investments

High-resolution chart · PNG

BIIB purchases of investments history

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

Biogen Purchases of Investments — Quarterly (USD)
Period ending	Purchases of Investments (USD)
Jun 30, 2001	-141,324,000
Mar 31, 2001	-483,159,000
Dec 31, 2000	-96,650,000
Sep 30, 2000	-170,008,000
Jun 30, 2000	-164,027,000
Mar 31, 2000	-196,483,000
Dec 31, 1999	-651,218,000
Sep 30, 1999	-139,500,000
Jun 30, 1999	-190,000,000
Mar 31, 1999	-139,500,000
Dec 31, 1998	-175,321,000
Sep 30, 1998	-48,700,000
Jun 30, 1998	-127,500,000
Mar 31, 1998	-222,500,000
Dec 31, 1997	-132,483,000
Sep 30, 1997	-121,300,000
Jun 30, 1997	-132,800,000
Mar 31, 1997	-95,200,000
Dec 31, 1996	-104,293,000
Sep 30, 1996	-85,700,000
Jun 30, 1996	-60,800,000
Mar 31, 1996	-119,100,000
Dec 31, 1995	-170,825,000
Sep 30, 1995	-60,600,000
Jun 30, 1995	-85,700,000
Mar 31, 1995	-31,900,000
Dec 31, 1994	11,075,000
Sep 30, 1994	23,600,000
Jun 30, 1994	-10,700,000
Mar 31, 1994	-50,600,000
Dec 31, 1993	-7,400,000
Sep 30, 1993	-9,500,000
Jun 30, 1993	17,700,000
Mar 31, 1993	-54,000,000
Dec 31, 1992	0
Sep 30, 1992	0
Jun 30, 1992	2,500,000
Mar 31, 1992	-20,000,000
Dec 31, 1991	0
Sep 30, 1991	0
Jun 30, 1991	0
Mar 31, 1991	0
Dec 31, 1990	-900,000
Sep 30, 1990	-600,000
Jun 30, 1990	100,000
Mar 31, 1990	-13,900,000
Dec 31, 1989	-2,500,000