Flagship explainer

What drives COSTCO WHOLESALE CORP /NEW’s return on equity?

ROE is five filed business factors multiplied together.

DuPont return on equity factor treeReturn on equity branches into tax burden, interest burden, operating margin, asset turnover, and the equity multiplier.Return on equity28%Tax burden75%net income ÷ pretax incomeInterest burden105%pretax ÷ operating incomeOperating margin4%operating income ÷ revenueAsset turnover3.65×revenue ÷ average assetsEquity multiplier2.56×average assets ÷ average equityAs of 2026-08-30 · 1 SEC filing sourceBuy Like Buffett · buylikebuffett.com
DuPont source inputs
InputValueFiscal yearSource
$9.2BFY2026
Income before tax$12.3BFY2026
Operating income$11.7BFY2026
$303.2BFY2026
Ending assets$89.0BFY2026
Beginning assets$77.1BFY2025
$35.8BFY2026
$29.2BFY2025
Source: · event Aug 30, 2026 · retrieved Oct 15, 2026 · annual-row source set
Embed this chart

View the full COSTCO WHOLESALE CORP /NEW analysis at Buy Like Buffett

COST dupont explainer — Buy Like Buffett · Buy Like Buffett