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Long-Term Debt

$7.56B

Quarterly · Period ending: Jun 30, 2026 · USD

BIIB Long-Term Debt

Latest reported$7.56Bperiod endingJun 30, 2026

Latest reported$7.56Bperiod endingJun 30, 2026

BIIB Quarterly Long-Term Debt ($3.60M → $7.56B)

Quarterly long-term debt

High-resolution chart · PNG

BIIB long-term debt history

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

Biogen Long-Term Debt — Quarterly (USD)
Period ending	Long-Term Debt (USD)
Jun 30, 2001	98,171,000
Mar 31, 2001	99,039,000
Dec 31, 2000	104,433,000
Sep 30, 2000	48,824,000
Jun 30, 2000	49,630,000
Mar 31, 2000	51,268,000
Dec 31, 1999	108,173,000
Sep 30, 1999	53,700,000
Jun 30, 1999	54,500,000
Mar 31, 1999	56,200,000
Dec 31, 1998	75,439,000
Sep 30, 1998	58,600,000
Jun 30, 1998	59,400,000
Mar 31, 1998	61,000,000
Dec 31, 1997	61,846,000
Sep 30, 1997	63,500,000
Jun 30, 1997	64,300,000
Mar 31, 1997	66,000,000
Dec 31, 1996	62,254,000
Sep 30, 1996	60,000,000
Jun 30, 1996	51,000,000
Mar 31, 1996	39,900,000
Dec 31, 1995	32,826,000
Sep 30, 1995	29,100,000
Jun 30, 1995	23,300,000
Mar 31, 1995	24,200,000
Dec 31, 1994	0
Sep 30, 1994	0
Jun 30, 1994	0
Mar 31, 1994	0
Dec 31, 1993	0
Sep 30, 1993	0
Jun 30, 1993	0
Mar 31, 1993	0
Dec 31, 1992	0
Sep 30, 1992	0
Jun 30, 1992	0
Mar 31, 1992	0
Dec 31, 1991	0
Sep 30, 1991	0
Jun 30, 1991	0
Mar 31, 1991	0
Dec 31, 1990	0
Sep 30, 1990	0
Jun 30, 1990	0
Mar 31, 1990	0
Dec 31, 1989	0
Sep 30, 1989	0
Dec 31, 1988	4,800,000
Dec 31, 1987	5,200,000
Dec 31, 1986	4,400,000
Dec 31, 1985	3,600,000

Data is provided for informational purposes only and does not constitute investment advice. Past performance is not indicative of future results.