What is White Mountains Insurance Group's net margin?

White Mountains Insurance Group (WTM) reported net margin of 28.4% in Q1 2026.

What is the long-term trend for White Mountains Insurance Group's net margin?

Over 3 years (2020 to 2025), White Mountains Insurance Group's net margin has grown at a -21.0% compound annual growth rate (CAGR), from 60% to 29.6%.

What does net margin mean?

Net income as a percentage of revenue (trailing twelve months). The bottom-line profitability measure after all costs, interest, and taxes.

White Mountains Insurance Group WTM Net margin

Net margin at other companies

Arch Capital GroupACGL

24.6%+3.9pp

Everest GroupEG

11.8%—

Axis Capital HoldersAXS

16%+1.5pp

Arthur J. GallagherAJG

10.8%-2.2pp

American International GroupAIG

11.9%+8.6pp

Old Republic InternationalORI

10.8%+1.5pp

Other financials

Income statement

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Revenue$517.8M-10.4%

Gross profit$475.1M-16.7%

Net income-$27.2M-180%

Balance sheet

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Total debt$834.8M+23.5%

Total equity$5.4B+19.2%

Total assets$13.2B+19.7%

Cash flow

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Operating cash flow$30.5M+176%

Valuation

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Market cap$4.99B+9.8%

P/E4.8×—

P/S1.4×-0.7×

Profitability

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Gross margin94.9%-3.7pp

Returns & leverage

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Return on equity21.2%—

Debt / equity0.2×0.0×

Where this comes from

Calculated from White Mountains Insurance Group’s reported figures.

net income/total revenue=28.4%

Based on trailing twelve months.

The official record: White Mountains Insurance Group’s 10-Q, filed May 6, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is White Mountains Insurance Group's net margin?: White Mountains Insurance Group (WTM) reported net margin of 28.4% in Q1 2026.
What is the long-term trend for White Mountains Insurance Group's net margin?: Over 3 years (2020 to 2025), White Mountains Insurance Group's net margin has grown at a -21.0% compound annual growth rate (CAGR), from 60% to 29.6%.
What does net margin mean?: Net income as a percentage of revenue (trailing twelve months). The bottom-line profitability measure after all costs, interest, and taxes.