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 equity31%Tax burden75%net income ÷ pretax incomeInterest burden104%pretax ÷ operating incomeOperating margin4%operating income ÷ revenueAsset turnover3.75×revenue ÷ average assetsEquity multiplier2.78×average assets ÷ average equityAs of 2025-08-31 · 1 SEC filing sourceBuy Like Buffett · buylikebuffett.com
DuPont source inputs
InputValueFiscal yearSource
$8.1BFY2025
Income before tax$10.8BFY2025
Operating income$10.4BFY2025
$275.2BFY2025
Ending assets$77.1BFY2025
Beginning assets$69.8BFY2024
$29.2BFY2025
$23.6BFY2024
Source: · event Aug 31, 2025 · retrieved Jul 26, 2026 · annual-row source set
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