Flagship explainer

What drives CASTELLUM, 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 equity−9%Tax burden109%net income ÷ pretax incomeInterest burden78%pretax ÷ operating incomeOperating margin−5%operating income ÷ revenueAsset turnover1.33×revenue ÷ average assetsEquity multiplier1.43×average assets ÷ average equityAs of 2025-12-31 · 2 SEC filing sourcesBuy Like Buffett · buylikebuffett.com
DuPont source inputs
InputValueFiscal yearSource
−$2.4MFY2025
Income before tax−$2.2MFY2025
Operating income−$2.8MFY2025
$52.9MFY2025
Ending assets$41.9MFY2025
Beginning assets$37.8MFY2024
$35.8MFY2025
$20.2MFY2024
Source: · event Dec 31, 2025 · retrieved Jul 26, 2026 · annual-row source set
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