Flagship explainer

What drives Tandem Diabetes Care, 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−98%Tax burden102%net income ÷ pretax incomeInterest burden107%pretax ÷ operating incomeOperating margin−18%operating income ÷ revenueAsset turnover1.10×revenue ÷ average assetsEquity multiplier4.42×average assets ÷ average equityAs of 2025-12-31 · 1 SEC filing sourceBuy Like Buffett · buylikebuffett.com
DuPont source inputs
InputValueFiscal yearSource
−$205MFY2025
Income before tax−$200MFY2025
Operating income−$187MFY2025
$1.0BFY2025
Ending assets$881MFY2025
Beginning assets$968MFY2024
$155MFY2025
$263MFY2024
Source: · event Dec 31, 2025 · retrieved Jul 26, 2026 · annual-row source set
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