Flagship explainer

What drives T-MOBILE US, 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 equity18%Tax burden77%net income ÷ pretax incomeInterest burden78%pretax ÷ operating incomeOperating margin21%operating income ÷ revenueAsset turnover0.41×revenue ÷ average assetsEquity multiplier3.53×average assets ÷ average equityAs of 2025-12-31 · 1 SEC filing sourceBuy Like Buffett · buylikebuffett.com
DuPont source inputs
InputValueFiscal yearSource
$11.0BFY2025
Income before tax$14.3BFY2025
Operating income$18.3BFY2025
$88.3BFY2025
Ending assets$219.2BFY2025
Beginning assets$208.0BFY2024
$59.2BFY2025
$61.7BFY2024
Source: · event Dec 31, 2025 · retrieved Oct 16, 2026 · annual-row source set
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TMUS dupont explainer — Buy Like Buffett · Buy Like Buffett