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BIIB

Biogen Inc.

Stock

$222.82−3.06 (−1.35%)Close Oct 1, 2026

Long-term debt (Q2 2026)$7.3B
YoY+16.0%
5-year CAGR−3.3%
10-year CAGR−0.4%

Long-term debt

PeriodLong-term debtYoY
2025$6.3B+38.3%
2024$4.5B−33.0%
2023$6.8B+8.1%
2022$6.3B+0.1%
2021$6.3B−15.5%
2020$7.4B+66.5%
2019$4.5B−24.9%
2018$5.9B0.0%
2017$5.9B−8.9%
2016$6.5B−0.1%
2015$6.5B+1,023.8%
2014$580M−2.0%
2013$592M−13.8%
2012$687M−32.9%
2011$1.0B−1.1%
2010$1.0B—