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Biogen Inc. (BIIB)
DuPont Analysis: Disaggregation of ROE, ROA, and Net Profit Margin
Quarterly Data
Low level of difficulty
Decomposing ROE involves expressing net income divided by shareholders’ equity as the product of component ratios.
Two-Component Disaggregation of ROE
Biogen Inc., decomposition of ROE (quarterly data)
Based on: 10-Q (filing date: 2019-10-22), 10-Q (filing date: 2019-07-24), 10-Q (filing date: 2019-04-24), 10-K (filing date: 2019-02-06), 10-Q (filing date: 2018-10-23), 10-Q (filing date: 2018-07-24), 10-Q (filing date: 2018-04-24), 10-K (filing date: 2018-02-01), 10-Q (filing date: 2017-10-24), 10-Q (filing date: 2017-07-25), 10-Q (filing date: 2017-04-25), 10-K (filing date: 2017-02-02), 10-Q (filing date: 2016-10-26), 10-Q (filing date: 2016-07-21), 10-Q (filing date: 2016-04-21), 10-K (filing date: 2016-02-03), 10-Q (filing date: 2015-10-21), 10-Q (filing date: 2015-07-24), 10-Q (filing date: 2015-04-24), 10-K (filing date: 2015-02-04), 10-Q (filing date: 2014-10-22), 10-Q (filing date: 2014-07-23), 10-Q (filing date: 2014-04-23).
The primary reason for the decrease in return on equity ratio (ROE) over Q3 2019 is the decrease in financial leverage ratio.
Three-Component Disaggregation of ROE
Biogen Inc., decomposition of ROE (quarterly data)
Based on: 10-Q (filing date: 2019-10-22), 10-Q (filing date: 2019-07-24), 10-Q (filing date: 2019-04-24), 10-K (filing date: 2019-02-06), 10-Q (filing date: 2018-10-23), 10-Q (filing date: 2018-07-24), 10-Q (filing date: 2018-04-24), 10-K (filing date: 2018-02-01), 10-Q (filing date: 2017-10-24), 10-Q (filing date: 2017-07-25), 10-Q (filing date: 2017-04-25), 10-K (filing date: 2017-02-02), 10-Q (filing date: 2016-10-26), 10-Q (filing date: 2016-07-21), 10-Q (filing date: 2016-04-21), 10-K (filing date: 2016-02-03), 10-Q (filing date: 2015-10-21), 10-Q (filing date: 2015-07-24), 10-Q (filing date: 2015-04-24), 10-K (filing date: 2015-02-04), 10-Q (filing date: 2014-10-22), 10-Q (filing date: 2014-07-23), 10-Q (filing date: 2014-04-23).
The primary reason for the decrease in return on equity ratio (ROE) over Q3 2019 is the decrease in efficiency measured by asset turnover ratio.
Two-Component Disaggregation of ROA
Biogen Inc., decomposition of ROA (quarterly data)
Based on: 10-Q (filing date: 2019-10-22), 10-Q (filing date: 2019-07-24), 10-Q (filing date: 2019-04-24), 10-K (filing date: 2019-02-06), 10-Q (filing date: 2018-10-23), 10-Q (filing date: 2018-07-24), 10-Q (filing date: 2018-04-24), 10-K (filing date: 2018-02-01), 10-Q (filing date: 2017-10-24), 10-Q (filing date: 2017-07-25), 10-Q (filing date: 2017-04-25), 10-K (filing date: 2017-02-02), 10-Q (filing date: 2016-10-26), 10-Q (filing date: 2016-07-21), 10-Q (filing date: 2016-04-21), 10-K (filing date: 2016-02-03), 10-Q (filing date: 2015-10-21), 10-Q (filing date: 2015-07-24), 10-Q (filing date: 2015-04-24), 10-K (filing date: 2015-02-04), 10-Q (filing date: 2014-10-22), 10-Q (filing date: 2014-07-23), 10-Q (filing date: 2014-04-23).
The primary reason for the decrease in return on assets ratio (ROA) over Q3 2019 is the decrease in asset turnover ratio.