Flagship explainer

What drives PULMONX CORPORATION’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−77%Tax burden101%net income ÷ pretax incomeInterest burden99%pretax ÷ operating incomeOperating margin−59%operating income ÷ revenueAsset turnover0.62×revenue ÷ average assetsEquity multiplier2.09×average assets ÷ average equityAs of 2025-12-31 · 2 SEC filing sourcesBuy Like Buffett · buylikebuffett.com
DuPont source inputs
InputValueFiscal yearSource
−$54MFY2025
Income before tax−$53.4MFY2025
Operating income−$53.7MFY2025
$90.5MFY2025
Ending assets$129MFY2025
Beginning assets$163MFY2024
$54.1MFY2025
$85.8MFY2024
Source: · event Dec 31, 2025 · retrieved Jul 26, 2026 · annual-row source set
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