BIIB ROA - BIOGEN INC.

Complete source-backed roa history.

Available history: 2008-12-31 to 2026-03-31
Data captured: 2026-09-04

Historical ROA

Date	ROA
2026-03-31	4.65%
2025-12-31	4.39%
2025-09-30	5.51%
2025-06-30	5.40%
2025-03-31	5.28%
2024-12-31	5.82%
2024-09-30	5.70%
2024-06-30	4.32%
2024-03-31	4.39%
2023-12-31	4.33%
2023-09-30	5.18%
2023-06-30	10.59%
2023-03-31	12.73%
2022-12-31	12.41%
2022-09-30	11.53%
2022-06-30	8.21%
2022-03-31	6.14%
2021-12-31	6.52%
2021-09-30	6.49%
2021-06-30	7.84%
2021-03-31	12.63%
2020-12-31	16.25%
2020-09-30	20.38%
2020-06-30	23.23%
2020-03-31	22.51%
2019-12-31	21.62%
2019-09-30	19.63%
2019-06-30	20.14%
2019-03-31	17.65%
2018-12-31	17.52%
2018-09-30	12.50%
2018-06-30	12.39%
2018-03-31	11.36%
2017-12-31	10.73%
2017-09-30	15.11%
2017-06-30	15.13%
2017-03-31	16.42%
2016-12-31	16.19%
2016-09-30	17.58%
2016-06-30	17.75%
2016-03-31	17.87%
2015-12-31	18.19%
2015-09-30	17.36%
2015-06-30	20.83%
2015-03-31	21.53%
2014-12-31	20.50%
2014-09-30	18.31%
2014-06-30	16.56%
2014-03-31	15.66%
2013-12-31	15.70%
2013-09-30	15.09%
2013-06-30	14.83%
2013-03-31	14.80%
2012-12-31	13.62%
2012-09-30	14.41%
2012-06-30	14.64%
2012-03-31	13.64%
2011-12-31	13.64%
2011-09-30	13.34%
2011-06-30	12.49%
2011-03-31	13.05%
2010-12-31	12.42%
2010-09-30	14.48%
2010-06-30	14.58%
2010-03-31	11.48%
2009-12-31	11.34%
2009-09-30	9.65%
2009-06-30	9.12%

Annual ROA

Date	ROA
2025-12-31	4.39%
2024-12-31	5.82%
2023-12-31	4.33%
2022-12-31	12.41%
2021-12-31	6.52%
2020-12-31	16.25%
2019-12-31	21.62%
2018-12-31	17.52%
2017-12-31	10.73%
2016-12-31	16.19%
2015-12-31	18.19%
2014-12-31	20.50%
2013-12-31	15.70%
2012-12-31	13.62%
2011-12-31	13.64%
2010-12-31	12.42%
2009-12-31	11.34%
2008-12-31	9.24%