Flagship explainer

What drives RAMBUS 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 equity19%Tax burden82%net income ÷ pretax incomeInterest burden108%pretax ÷ operating incomeOperating margin37%operating income ÷ revenueAsset turnover0.49×revenue ÷ average assetsEquity multiplier1.16×average assets ÷ average equityAs of 2025-12-31 · 1 SEC filing sourceBuy Like Buffett · buylikebuffett.com
DuPont source inputs
InputValueFiscal yearSource
$230MFY2025
Income before tax$282MFY2025
Operating income$260MFY2025
$708MFY2025
Ending assets$1.5BFY2025
Beginning assets$1.3BFY2024
$1.4BFY2025
$1.1BFY2024
Source: · event Dec 31, 2025 · retrieved Oct 15, 2026 · annual-row source set
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