
Total Debt
$8.36B
Net Debt
$7.07B
Biogen Inc. currently has $8.36B in total debt. Net debt is $7.07B after cash offsets.
Financial Fundamentals
BIIB • Quarterly Data • 5Y View
| Date | Total Debt ($B) | Cash & Inv. ($B) | Net Debt ($B) | Total Assets | Debt/Assets |
|---|---|---|---|---|---|
| 2026-06-30 | 8.36 | 1.28 | 7.07 | 32.09 | 26.0% |
| 2026-03-31 | 6.56 | 4.28 | 2.28 | 29.48 | 22.3% |
| 2025-12-31 | 6.95 | 3.82 | 3.13 | 29.44 | 23.6% |
| 2025-09-30 | 6.59 | 3.96 | 2.63 | 29.21 | 22.6% |
| 2025-06-30 | 6.59 | 2.76 | 3.84 | 28.33 | 23.3% |
| 2025-03-31 | 6.62 | 2.60 | 4.02 | 28.03 | 23.6% |
| 2024-12-31 | 6.63 | 2.38 | 4.26 | 28.05 | 23.6% |
| 2024-09-30 | 6.65 | 1.70 | 4.95 | 28.31 | 23.5% |
| 2024-06-30 | 6.66 | 1.91 | 4.75 | 26.80 | 24.8% |
| 2024-03-31 | 6.95 | 1.07 | 5.87 | 26.57 | 26.1% |
| 2023-12-31 | 7.34 | 1.05 | 6.29 | 26.84 | 27.3% |
| 2023-09-30 | 7.72 | 2.29 | 5.43 | 28.19 | 27.4% |
| 2023-06-30 | 6.59 | 6.08 | 0.51 | 25.16 | 26.2% |
| 2023-03-31 | 6.61 | 5.04 | 1.57 | 24.60 | 26.9% |
| 2022-12-31 | 6.61 | 4.89 | 1.72 | 24.55 | 26.9% |
| 2022-09-30 | 6.63 | 4.91 | 1.72 | 24.85 | 26.7% |
| 2022-06-30 | 7.55 | 4.80 | 2.75 | 25.08 | 30.1% |
| 2022-03-31 | 7.59 | 3.75 | 3.84 | 23.61 | 32.1% |
| 2021-12-31 | 7.60 | 3.80 | 3.80 | 23.88 | 31.8% |
| 2021-09-30 | 7.62 | 2.96 | 4.66 | 23.81 | 32.0% |
| 2021-06-30 | 7.63 | 3.05 | 4.58 | 24.47 | 31.2% |
| 2021-03-31 | 7.65 | 2.54 | 5.11 | 23.85 | 32.1% |
| 2020-12-31 | 7.83 | 2.61 | 5.22 | 24.62 | 31.8% |
| 2020-09-30 | 7.83 | 3.58 | 4.25 | 24.93 | 31.4% |
| 2020-06-30 | 7.84 | 4.33 | 3.51 | 25.51 | 30.7% |
| 2020-03-31 | 6.37 | 3.86 | 2.50 | 26.12 | 24.4% |
| 2019-12-31 | 6.37 | 4.48 | 1.89 | 27.23 | 23.4% |
| 2019-09-30 | 6.36 | 4.44 | 1.93 | 27.48 | 23.2% |
| 2019-06-30 | 6.37 | 2.95 | 3.42 | 26.29 | 24.2% |
| 2019-03-31 | 6.38 | 3.91 | 2.47 | 26.45 | 24.1% |
| 2018-12-31 | 5.94 | 3.54 | 2.40 | 25.29 | 23.5% |
| 2018-09-30 | 5.93 | 4.43 | 1.50 | 25.49 | 23.3% |
| 2018-06-30 | 5.93 | 3.22 | 2.70 | 23.95 | 24.8% |
| 2018-03-31 | 5.93 | 5.92 | 0.02 | 26.09 | 22.7% |
| 2017-12-31 | 5.94 | 3.69 | 2.25 | 23.65 | 25.1% |
| 2017-09-30 | 6.51 | 3.51 | 3.00 | 23.07 | 28.2% |
| 2017-06-30 | 6.51 | 2.89 | 3.62 | 21.76 | 29.9% |
| 2017-03-31 | 6.51 | 2.88 | 3.63 | 21.20 | 30.7% |
| 2016-12-31 | 6.52 | 4.90 | 1.62 | 22.88 | 28.5% |
| 2016-09-30 | 6.53 | 4.32 | 2.22 | 22.10 | 29.6% |
| 2016-06-30 | 6.54 | 3.80 | 2.75 | 21.51 | 30.4% |
| 2016-03-31 | 6.54 | 3.59 | 2.96 | 20.67 | 31.6% |
| 2015-12-31 | 6.53 | 3.43 | 3.10 | 19.50 | 33.5% |
| 2015-09-30 | 6.53 | 5.84 | 0.69 | 20.73 | 31.5% |
| 2015-06-30 | 0.58 | 2.37 | -1.79Net Cash | 16.76 | 3.5% |
| 2015-03-31 | 0.58 | 2.15 | -1.57Net Cash | 15.22 | 3.8% |
| 2014-12-31 | 0.59 | 1.85 | -1.26Net Cash | 14.32 | 4.1% |
| 2014-09-30 | 0.59 | 1.86 | -1.27Net Cash | 13.70 | 4.3% |
| 2014-06-30 | 0.59 | 1.57 | -0.98Net Cash | 12.92 | 4.6% |
| 2014-03-31 | 0.59 | 1.26 | -0.67Net Cash | 12.23 | 4.9% |
| 2013-12-31 | 0.60 | 1.22 | -0.63Net Cash | 11.86 | 5.0% |
| 2013-09-30 | 0.70 | 0.67 | 0.03 | 11.25 | 6.2% |
| 2013-06-30 | 0.73 | 0.67 | 0.06 | 10.84 | 6.7% |
| 2013-03-31 | 0.92 | 3.63 | -2.72Net Cash | 10.16 | 9.0% |
| 2012-12-31 | 1.14 | 1.71 | -0.56Net Cash | 10.13 | 11.3% |
| 2012-09-30 | 1.11 | 1.61 | -0.49Net Cash | 9.63 | 11.5% |
| 2012-06-30 | 1.09 | 1.41 | -0.31Net Cash | 9.16 | 11.9% |
| 2012-03-31 | 1.08 | 1.28 | -0.20Net Cash | 9.11 | 11.8% |
| 2011-12-31 | 1.06 | 1.69 | -0.63Net Cash | 9.05 | 11.8% |
| 2011-09-30 | 1.06 | 1.52 | -0.46Net Cash | 8.80 | 12.1% |
| 2011-06-30 | 1.19 | 1.33 | -0.13Net Cash | 8.62 | 13.9% |
| 2011-03-31 | 1.20 | 1.23 | -0.03Net Cash | 8.29 | 14.5% |
| 2010-12-31 | 1.20 | 1.21 | -0.00Net Cash | 8.09 | 14.9% |
| 2010-09-30 | 1.08 | 0.82 | 0.26 | 7.39 | 14.6% |
| 2010-06-30 | 1.08 | 0.97 | 0.11 | 7.50 | 14.4% |
| 2010-03-31 | 1.10 | 1.15 | -0.06Net Cash | 8.22 | 13.3% |
| 2009-12-31 | 1.10 | 1.26 | -0.16Net Cash | 8.55 | 12.9% |
| 2009-09-30 | 1.10 | 1.41 | -0.31Net Cash | 9.03 | 12.2% |
| 2009-06-30 | 1.10 | 1.62 | -0.52Net Cash | 8.78 | 12.5% |
| 2009-03-31 | 1.11 | 1.40 | -0.29Net Cash | 8.58 | 12.9% |
| 2008-12-31 | 1.11 | 1.37 | -0.26Net Cash | 8.48 | 13.1% |
| 2008-09-30 | 1.05 | 1.39 | -0.33Net Cash | 8.54 | 12.3% |
| 2008-06-30 | 1.05 | 0.89 | 0.16 | 8.17 | 12.8% |
| 2008-03-31 | 1.07 | 0.99 | 0.09 | 8.17 | 13.1% |
| 2007-12-31 | 1.56 | 1.18 | 0.38 | 8.63 | 18.1% |
| 2007-09-30 | 1.56 | 0.67 | 0.89 | 7.82 | 20.0% |
| 2007-06-30 | 0.06 | 1.80 | -1.74Net Cash | 8.94 | 0.7% |
| 2007-03-31 | 0.06 | 1.13 | -1.07Net Cash | 8.71 | 0.7% |
| 2006-12-31 | 0.10 | 0.90 | -0.81Net Cash | 8.55 | 1.1% |
| 2006-09-30 | 0.05 | 0.66 | -0.62Net Cash | 8.19 | 0.6% |
| 2006-06-30 | 0.04 | 0.71 | -0.67Net Cash | 8.34 | 0.5% |
| 2006-03-31 | 0.04 | 0.85 | -0.81Net Cash | 8.52 | 0.5% |
| 2005-12-31 | 0.04 | 0.85 | -0.81Net Cash | 8.37 | 0.5% |
| 2005-09-30 | 0.04 | 0.61 | -0.57Net Cash | 8.31 | 0.5% |
| 2005-06-30 | 0.04 | 0.93 | -0.89Net Cash | 8.27 | 0.5% |
| 2005-03-31 | 0.85 | 1.15 | -0.31Net Cash | 9.06 | 9.3% |
| 2004-12-31 | 0.85 | 1.06 | -0.21Net Cash | 9.17 | 9.3% |
| 2004-09-30 | 0.85 | 0.45 | 0.40 | 9.02 | 9.4% |
| 2004-06-30 | 0.87 | 0.74 | 0.12 | 9.23 | 9.4% |
| 2004-03-31 | 0.86 | 0.76 | 0.10 | 9.51 | 9.1% |
| 2003-12-31 | 0.89 | 0.84 | 0.05 | 9.50 | 9.3% |
| 2003-09-30 | 0.04 | 0.93 | -0.89Net Cash | 2.15 | 1.8% |
| 2003-06-30 | 0.04 | 0.86 | -0.82Net Cash | 2.04 | 2.0% |
| 2003-03-31 | 0.06 | 0.81 | -0.75Net Cash | 1.98 | 2.9% |
| 2002-12-31 | 0.04 | 0.79 | -0.75Net Cash | 2.01 | 2.1% |
| 2002-09-30 | 0.07 | 0.83 | -0.76Net Cash | 1.88 | 3.9% |
| 2002-06-30 | 0.08 | 0.79 | -0.72Net Cash | 1.85 | 4.2% |
| 2002-03-31 | 0.08 | 0.81 | -0.73Net Cash | 1.78 | 4.4% |
| 2001-12-31 | 0.08 | 0.80 | -0.72Net Cash | 1.72 | 4.8% |
| 2001-09-30 | 0.10 | 0.79 | -0.69Net Cash | 1.64 | 6.2% |
| 2001-06-30 | 0.10 | 0.76 | -0.66Net Cash | 1.59 | 6.5% |
| 2001-03-31 | 0.10 | 0.64 | -0.53Net Cash | 1.51 | 6.9% |
| 2000-12-31 | 0.11 | 0.68 | -0.57Net Cash | 1.43 | 7.6% |
| 2000-09-30 | 0.05 | 0.66 | -0.61Net Cash | 1.40 | 3.8% |
| 2000-06-30 | 0.05 | 0.65 | -0.60Net Cash | 1.32 | 4.1% |
| 2000-03-31 | 0.06 | 0.67 | -0.61Net Cash | 1.29 | 4.4% |
| 1999-12-31 | 0.11 | 0.65 | -0.54Net Cash | 1.28 | 8.8% |
| 1999-09-30 | 0.06 | 0.67 | -0.61Net Cash | 1.14 | 5.1% |
| 1999-06-30 | 0.06 | 0.05 | 0.01 | 1.06 | 5.6% |
| 1999-03-31 | 0.06 | 0.09 | -0.03Net Cash | 1.03 | 5.9% |
| 1998-12-31 | 0.08 | 0.52 | -0.44Net Cash | 0.92 | 8.7% |
| 1998-09-30 | 0.08 | 0.09 | -0.01Net Cash | 0.89 | 9.3% |
| 1998-06-30 | 0.08 | 0.07 | 0.01 | 0.83 | 9.5% |
| 1998-03-31 | 0.09 | 0.07 | 0.02 | 0.82 | 10.8% |
| 1997-12-31 | 0.09 | 0.44 | -0.35Net Cash | 0.81 | 11.2% |
| 1997-09-30 | 0.07 | 0.06 | 0.01 | 0.75 | 9.2% |
| 1997-06-30 | 0.07 | 0.07 | -0.00Net Cash | 0.70 | 9.8% |
| 1997-03-31 | 0.07 | 0.10 | -0.03Net Cash | 0.68 | 10.3% |
| 1996-12-31 | 0.07 | 0.32 | -0.26Net Cash | 0.63 | 10.4% |
| 1996-09-30 | 0.06 | 0.06 | -0.00Net Cash | 0.59 | 10.5% |