Flagship explainer

What drives MARTIN MARIETTA MATERIALS INC’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 equity12%Tax burden93%net income ÷ pretax incomeInterest burden85%pretax ÷ operating incomeOperating margin23%operating income ÷ revenueAsset turnover0.33×revenue ÷ average assetsEquity multiplier1.89×average assets ÷ average equityAs of 2025-12-31 · 1 SEC filing sourceBuy Like Buffett · buylikebuffett.com
DuPont source inputs
InputValueFiscal yearSource
$1.1BFY2025
Income before tax$1.2BFY2025
Operating income$1.4BFY2025
$6.2BFY2025
Ending assets$18.7BFY2025
Beginning assets$18.2BFY2024
$10.0BFY2025
$9.5BFY2024
Source: · event Dec 31, 2025 · retrieved Jul 26, 2026 · annual-row source set
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MLM dupont explainer — Buy Like Buffett · Buy Like Buffett