What is White Mountains Insurance Group's marine & energy — 7?

White Mountains Insurance Group (WTM) reported marine & energy — 7 of 0.5% in Q4 2025.

How has White Mountains Insurance Group's marine & energy — 7 changed year-over-year?

White Mountains Insurance Group's marine & energy — 7 increased by 66.7% year-over-year, from 0.3% to 0.5%.

What does marine & energy — 7 mean?

Measures the combined ratio for the Marine and Energy segment, which is the sum of the loss and expense ratios. It provides a comprehensive view of the segment's underwriting profitability, where a ratio below 100% indicates an underwriting profit.

White Mountains Insurance Group WTM Marine & Energy — 7

Other product segments

Casualty-Active

7.2%+14.3%

Casualty-Runoff

5.9%0.0%

Specialty

2.1%+40.0%

Property and Accident & Health

0.4%-20.0%

Similar metrics at other companies

SEBMarine — Segment And Consolidated Operating Income Loss Total

$34M-40.4%

GRMNMarine — Operating Income

$90.76M+4.5%

SEBMarine — Income Loss From Equity Method Investments

$1M0.0%

SEBMarine — Operating Income And Income From Affiliates

$35M-39.7%

MKLMarine and energy — Earned premiums

$213.35M+4.7%

MKLMarine and energy — Incurred losses and loss adjustment expenses, prior accident years

-$42.6M-191%

Other financials

Income statement

See full

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

See full

Operating cash flow$30.5M+176%

Valuation

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Market cap$4.99B+9.8%

Profitability

See full

Gross margin94.9%-3.7pp

Net margin28.4%—

Returns & leverage

See full

Return on equity21.2%—

Debt / equity0.2×0.0×

Where this comes from

Reported directly by White Mountains Insurance Group in its filing.

Tagged under the XBRL concept us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven.

The official record: White Mountains Insurance Group’s 10-K, filed February 27, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is White Mountains Insurance Group's marine & energy — 7?: White Mountains Insurance Group (WTM) reported marine & energy — 7 of 0.5% in Q4 2025.
How has White Mountains Insurance Group's marine & energy — 7 changed year-over-year?: White Mountains Insurance Group's marine & energy — 7 increased by 66.7% year-over-year, from 0.3% to 0.5%.
What does marine & energy — 7 mean?: Measures the combined ratio for the Marine and Energy segment, which is the sum of the loss and expense ratios. It provides a comprehensive view of the segment's underwriting profitability, where a ratio below 100% indicates an underwriting profit.