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DuPont Analysis: Disaggregation of ROE, ROA, and Net Profit Margin
Quarterly Data
Beginner level
Decomposing ROE involves expressing net income divided by shareholders’ equity as the product of component ratios.
Two-Component Disaggregation of ROE
Lam Research Corp., decomposition of ROE (quarterly data)
Based on: 10-K (filing date: 2020-08-18), 10-Q (filing date: 2020-04-28), 10-Q (filing date: 2020-02-04), 10-Q (filing date: 2019-10-29), 10-K (filing date: 2019-08-20), 10-Q (filing date: 2019-04-30), 10-Q (filing date: 2019-01-30), 10-Q (filing date: 2018-10-23), 10-K (filing date: 2018-08-14), 10-Q (filing date: 2018-04-24), 10-Q (filing date: 2018-01-30), 10-Q (filing date: 2017-10-23), 10-K (filing date: 2017-08-15), 10-Q (filing date: 2017-04-24), 10-Q (filing date: 2017-01-30), 10-Q (filing date: 2016-10-25), 10-K (filing date: 2016-08-17), 10-Q (filing date: 2016-04-25), 10-Q (filing date: 2016-02-03), 10-Q (filing date: 2015-11-03), 10-K (filing date: 2015-08-13), 10-Q (filing date: 2015-04-30), 10-Q (filing date: 2015-02-03), 10-Q (filing date: 2014-11-03).
The primary reason for the decrease in return on equity ratio (ROE) over Q4 2020 is the decrease in profitability measured by return on assets ratio (ROA).
Three-Component Disaggregation of ROE
Lam Research Corp., decomposition of ROE (quarterly data)
Based on: 10-K (filing date: 2020-08-18), 10-Q (filing date: 2020-04-28), 10-Q (filing date: 2020-02-04), 10-Q (filing date: 2019-10-29), 10-K (filing date: 2019-08-20), 10-Q (filing date: 2019-04-30), 10-Q (filing date: 2019-01-30), 10-Q (filing date: 2018-10-23), 10-K (filing date: 2018-08-14), 10-Q (filing date: 2018-04-24), 10-Q (filing date: 2018-01-30), 10-Q (filing date: 2017-10-23), 10-K (filing date: 2017-08-15), 10-Q (filing date: 2017-04-24), 10-Q (filing date: 2017-01-30), 10-Q (filing date: 2016-10-25), 10-K (filing date: 2016-08-17), 10-Q (filing date: 2016-04-25), 10-Q (filing date: 2016-02-03), 10-Q (filing date: 2015-11-03), 10-K (filing date: 2015-08-13), 10-Q (filing date: 2015-04-30), 10-Q (filing date: 2015-02-03), 10-Q (filing date: 2014-11-03).
The primary reason for the decrease in return on equity ratio (ROE) over Q4 2020 is the decrease in efficiency measured by asset turnover ratio.
Two-Component Disaggregation of ROA
Lam Research Corp., decomposition of ROA (quarterly data)
Based on: 10-K (filing date: 2020-08-18), 10-Q (filing date: 2020-04-28), 10-Q (filing date: 2020-02-04), 10-Q (filing date: 2019-10-29), 10-K (filing date: 2019-08-20), 10-Q (filing date: 2019-04-30), 10-Q (filing date: 2019-01-30), 10-Q (filing date: 2018-10-23), 10-K (filing date: 2018-08-14), 10-Q (filing date: 2018-04-24), 10-Q (filing date: 2018-01-30), 10-Q (filing date: 2017-10-23), 10-K (filing date: 2017-08-15), 10-Q (filing date: 2017-04-24), 10-Q (filing date: 2017-01-30), 10-Q (filing date: 2016-10-25), 10-K (filing date: 2016-08-17), 10-Q (filing date: 2016-04-25), 10-Q (filing date: 2016-02-03), 10-Q (filing date: 2015-11-03), 10-K (filing date: 2015-08-13), 10-Q (filing date: 2015-04-30), 10-Q (filing date: 2015-02-03), 10-Q (filing date: 2014-11-03).
The primary reason for the decrease in return on assets ratio (ROA) over Q4 2020 is the decrease in asset turnover ratio.