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Biogen Inc. (BIIB) Debt To Equity Ratio

Annual Debt To Equity:

0.38-0.09(-19.15%)
December 31, 2024

Summary

  • As of today, BIIB annual debt to equity ratio is 0.38, with the most recent change of -0.09 (-19.15%) on December 31, 2024.
  • During the last 3 years, BIIB annual debt to equity has fallen by -0.29 (-43.28%).
  • BIIB annual debt to equity is now -51.28% below its all-time high of 0.78, reached on December 31, 2002.

Performance

1-Year Change

-19.15%

3-Year Change

-43.28%

5-Year Change

-15.56%

15-Year Change

-19.15%

BIIB Debt To Equity Chart

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Highlights

Sector Percentile

71.44%
BIIB annual debt to equity ratio is higher than 71.44% of companies in Healthcare sector

Range

All-Time High

0.78
BIIB annual debt to equity ratio is currently -51.28% below its historical high of 0.78

3-Year Low

0.38
BIIB annual debt to equity ratio is currently at its 3-year low

Earnings dates

Last Annual Earnings Report Date

Dec 31, 2024
BIIB previous annual earnings announcement was published on Dec 31, 2024

Next Annual Earnings Report Date

Feb 11, 2026
BIIB next annual earnings announcement is scheduled for Feb 11, 2026

OtherBIIBfinancial health metrics

Annual Current Ratio

1.35
BIIB annual current ratio is 1.35

Annual Quick Ratio

0.90
BIIB annual quick ratio is 0.90

Annual Interest Coverage Ratio

-
BIIB annual interest coverage ratio value is unknown

Piotroski F-Score

5
BIIB piotroski f-score is 5

Quarterly Debt To Equity:

0.36-0.01(-2.70%)
September 30, 2025

Summary

  • As of today, BIIB quarterly debt to equity ratio is 0.36, with the most recent change of -0.01 (-2.70%) on September 30, 2025.
  • Over the past year, BIIB quarterly debt to equity has dropped by -0.05 (-12.20%).
  • BIIB quarterly debt to equity is now -65.71% below its all-time high of 1.05, reached on March 31, 1999.

Performance

3-Month Change

-2.7%

1-Year Change

-12.2%

3-Year Change

-30.77%

5-Year Change

-50.68%

BIIB Quarterly Debt To Equity Chart

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Highlights

Sector Percentile

70.03%
BIIB quarterly debt to equity ratio is higher than 70.03% of companies in Healthcare sector

Range

All-Time High

1.05
BIIB quarterly debt to equity ratio is currently -65.71% below its historical high of 1.05

3-Year Low

0.36
BIIB quarterly debt to equity ratio is currently at its 3-year low

Earnings dates

Last Quarterly Earnings Report Date

Sep 30, 2025
BIIB previous earnings announcement was published on Sep 30, 2025

Next Quarterly Earnings Report Date

Feb 11, 2026
BIIB next earnings announcement is scheduled for Feb 11, 2026

OtherBIIBfinancial health metrics

Quarterly Current Ratio

2.72
BIIB quarterly current ratio is 2.72

Quarterly Quick Ratio

2.04
BIIB quarterly quick ratio is 2.04

Quarterly Interest Coverage Ratio

-
BIIB quarterly interest coverage ratio value is unknown

Piotroski F-Score

5
BIIB piotroski f-score is 5

Debt To Equity Formula

Debt To Equity =  
Total Debt
Shareholders Equity

Annual Debt To Equity

0.38
BIIB annual debt to equity ratio is 0.38

Annual Total Debt

$6.72B
BIIB annual total debt is $6.72 billion

Annual Shareholders Equity

$16.72B
BIIB annual stockholders equity is $16.72 billion

BIIB Debt To Equity Trends

PeriodPeriodAnnualAnnualQuarterlyQuarterly
1Y1 Year-19.1%-12.2%
3Y3 Years-43.3%-30.8%
5Y5 Years-15.6%-50.7%

BIIB Debt To Equity Highs & Lows

PeriodPeriodAnnual vs HighAnnual vs HighAnnual vs LowAnnual vs LowQuarter. vs HighQuarter. vs HighQuarter. vs LowQuarter. vs Low
3Y3-Year-43.3%at low-32.1%at low
5Y5-Year-44.9%at low-51.4%at low
All-TimeAll-Time-51.3%>+9999.0%-65.7%>+9999.0%

BIIB Debt To Equity History

DateAnnualQuarterly
Sep 2025
-
0.36(-2.7%)
Jun 2025
-
0.37(-5.1%)
Mar 2025
-
0.39(-2.5%)
Dec 2024
0.38(-19.1%)
0.40(-2.4%)
Sep 2024
-
0.41(-2.4%)
Jun 2024
-
0.42(-8.7%)
Mar 2024
-
0.46(-8.0%)
Dec 2023
0.47(0.0%)
0.50(-5.7%)
Sep 2023
-
0.53(+15.2%)
Jun 2023
-
0.46(-4.2%)
Mar 2023
-
0.48(-4.0%)
Dec 2022
0.47(-29.9%)
0.50(-3.8%)
Sep 2022
-
0.52(-18.8%)
Jun 2022
-
0.64(-4.5%)
Mar 2022
-
0.67(-5.6%)
Dec 2021
0.67(-2.9%)
0.71(-2.7%)
Sep 2021
-
0.73(+2.8%)
Jun 2021
-
0.71(-1.4%)
Mar 2021
-
0.72(-2.7%)
Dec 2020
0.69(+53.3%)
0.74(+1.4%)
Sep 2020
-
0.73(+5.8%)
Jun 2020
-
0.69(+35.3%)
Mar 2020
-
0.51(+6.3%)
Dec 2019
0.45(-2.2%)
0.48(+4.3%)
Sep 2019
-
0.46(-8.0%)
Jun 2019
-
0.50(+6.4%)
Mar 2019
-
0.47(+2.2%)
Dec 2018
0.46(-2.1%)
0.46(+7.0%)
Sep 2018
-
0.43(-10.4%)
Jun 2018
-
0.48(+14.3%)
Mar 2018
-
0.42(-10.6%)
Dec 2017
0.47(-13.0%)
0.47(-7.8%)
Sep 2017
-
0.51(-8.9%)
Jun 2017
-
0.56(-1.8%)
Mar 2017
-
0.57(+5.6%)
Dec 2016
0.54(-22.9%)
0.54(0.0%)
Sep 2016
-
0.54(-5.3%)
Jun 2016
-
0.57(-9.5%)
Mar 2016
-
0.63(+1.6%)
Dec 2015
0.70(+1300.0%)
-
Sep 2015
-
0.62(+1140.0%)
Jun 2015
-
0.05(0.0%)
Mar 2015
-
0.05(0.0%)
Dec 2014
0.05(-28.6%)
0.05(-16.7%)
Sep 2014
-
0.06(0.0%)
Jun 2014
-
0.06(-14.3%)
Mar 2014
-
0.07(0.0%)
Dec 2013
0.07(-56.3%)
0.07(-22.2%)
Sep 2013
-
0.09(0.0%)
Jun 2013
-
0.09(-25.0%)
Mar 2013
-
0.12(-25.0%)
Dec 2012
0.16(-5.9%)
0.16(-5.9%)
Sep 2012
-
0.17(0.0%)
Jun 2012
-
0.17(0.0%)
Mar 2012
-
0.17(0.0%)
Dec 2011
0.17(-22.7%)
0.17(0.0%)
Sep 2011
-
0.17(-15.0%)
Jun 2011
-
0.20(-4.8%)
Mar 2011
-
0.21(-4.5%)
Dec 2010
0.22(+22.2%)
0.22(+4.8%)
Sep 2010
-
0.21(0.0%)
Jun 2010
-
0.21(+10.5%)
Mar 2010
-
0.19(+5.6%)
Dec 2009
0.18(-5.3%)
0.18(+5.9%)
Sep 2009
-
0.17(-5.6%)
Jun 2009
-
0.18(-5.3%)
Mar 2009
-
0.19(0.0%)
Dec 2008
0.19(-32.1%)
0.19(+5.6%)
Sep 2008
-
0.18(-5.3%)
Jun 2008
-
0.19(0.0%)
Mar 2008
-
0.19(-32.1%)
Dec 2007
0.28(+2700.0%)
0.28(-9.7%)
Sep 2007
-
0.31(+3000.0%)
Jun 2007
-
0.01(0.0%)
Mar 2007
-
0.01(0.0%)
DateAnnualQuarterly
Dec 2006
0.01(0.0%)
0.01(0.0%)
Sep 2006
-
0.01(0.0%)
Jun 2006
-
0.01(0.0%)
Mar 2006
-
0.01(0.0%)
Dec 2005
0.01(-91.7%)
0.01(0.0%)
Sep 2005
-
0.01(0.0%)
Jun 2005
-
0.01(-91.7%)
Mar 2005
-
0.12(0.0%)
Dec 2004
0.12(-7.7%)
0.12(-7.7%)
Sep 2004
-
0.13(+8.3%)
Jun 2004
-
0.12(0.0%)
Mar 2004
-
0.12(-7.7%)
Dec 2003
0.13(-83.3%)
0.13(-81.4%)
Sep 2003
-
0.70(-4.1%)
Jun 2003
-
0.73(-2.7%)
Mar 2003
-
0.75(-3.8%)
Dec 2002
0.78(+1850.0%)
0.78(-10.3%)
Sep 2002
-
0.87(-5.4%)
Jun 2002
-
0.92(+557.1%)
Mar 2002
-
0.14(0.0%)
Dec 2001
0.04(-60.0%)
0.14(-12.5%)
Sep 2001
-
0.16(-5.9%)
Jun 2001
-
0.17(-5.6%)
Mar 2001
-
0.18(-5.3%)
Dec 2000
0.10(-16.7%)
0.19(-66.7%)
Sep 2000
-
0.57(-10.9%)
Jun 2000
-
0.64(-11.1%)
Mar 2000
-
0.72(-18.2%)
Dec 1999
0.12(+9.1%)
0.88(+8.6%)
Sep 1999
-
0.81(-9.0%)
Jun 1999
-
0.89(-15.2%)
Mar 1999
-
1.05(+2000.0%)
Dec 1998
0.11(-35.3%)
0.05(+25.0%)
Sep 1998
-
0.04(-33.3%)
Jun 1998
-
0.06(-25.0%)
Mar 1998
-
0.08(-52.9%)
Dec 1997
0.17(+21.4%)
0.17(+41.7%)
Sep 1997
-
0.12(0.0%)
Jun 1997
-
0.12(-7.7%)
Mar 1997
-
0.13(-7.1%)
Dec 1996
0.14(+55.6%)
0.14(+7.7%)
Sep 1996
-
0.13(-7.1%)
Jun 1996
-
0.14(+27.3%)
Mar 1996
-
0.11(+22.2%)
Dec 1995
0.09(>+9900.0%)
0.09(0.0%)
Sep 1995
-
0.09(+28.6%)
Jun 1995
-
0.07(0.0%)
Mar 1995
-
0.07(>+9900.0%)
Dec 1994
0.00(0.0%)
0.00(0.0%)
Sep 1994
-
0.00(0.0%)
Jun 1994
-
0.00(0.0%)
Mar 1994
-
0.00(0.0%)
Dec 1993
0.00(0.0%)
0.00(0.0%)
Sep 1993
-
0.00(0.0%)
Jun 1993
-
0.00(0.0%)
Mar 1993
-
0.00(0.0%)
Dec 1992
0.00(0.0%)
0.00(0.0%)
Sep 1992
-
0.00(0.0%)
Jun 1992
-
0.00(0.0%)
Mar 1992
-
0.00(0.0%)
Dec 1991
0.00(0.0%)
0.00(0.0%)
Sep 1991
-
0.00(0.0%)
Jun 1991
-
0.00(0.0%)
Mar 1991
-
0.00(0.0%)
Dec 1990
0.00(0.0%)
0.00(0.0%)
Sep 1990
-
0.00(0.0%)
Jun 1990
-
0.00(0.0%)
Mar 1990
-
0.00(0.0%)
Dec 1989
0.00(-100.0%)
0.00(0.0%)
Sep 1989
-
0.00(-100.0%)
Dec 1988
0.07(-12.5%)
0.07(-12.5%)
Dec 1987
0.08(+60.0%)
0.08(+60.0%)
Dec 1986
0.05(0.0%)
0.05(0.0%)
Dec 1985
0.05(+66.7%)
0.05(+66.7%)
Dec 1984
0.03
0.03

FAQ

  • What is Biogen Inc. annual debt to equity ratio?
  • What is the all-time high annual debt to equity for Biogen Inc.?
  • What is Biogen Inc. annual debt to equity year-on-year change?
  • What is Biogen Inc. quarterly debt to equity ratio?
  • What is the all-time high quarterly debt to equity for Biogen Inc.?
  • What is Biogen Inc. quarterly debt to equity year-on-year change?

What is Biogen Inc. annual debt to equity ratio?

The current annual debt to equity of BIIB is 0.38

What is the all-time high annual debt to equity for Biogen Inc.?

Biogen Inc. all-time high annual debt to equity ratio is 0.78

What is Biogen Inc. annual debt to equity year-on-year change?

Over the past year, BIIB annual debt to equity ratio has changed by -0.09 (-19.15%)

What is Biogen Inc. quarterly debt to equity ratio?

The current quarterly debt to equity of BIIB is 0.36

What is the all-time high quarterly debt to equity for Biogen Inc.?

Biogen Inc. all-time high quarterly debt to equity ratio is 1.05

What is Biogen Inc. quarterly debt to equity year-on-year change?

Over the past year, BIIB quarterly debt to equity ratio has changed by -0.05 (-12.20%)
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