What is White Mountains Insurance Group's marine & energy — 1?

White Mountains Insurance Group (WTM) reported marine & energy — 1 of 12.1% in Q4 2025.

How has White Mountains Insurance Group's marine & energy — 1 changed year-over-year?

White Mountains Insurance Group's marine & energy — 1 decreased by 6.2% year-over-year, from 12.9% to 12.1%.

What does marine & energy — 1 mean?

This metric acts as a primary identifier or index for the Marine and Energy segment's performance reporting. It serves as a baseline reference point for tracking segment-specific financial metrics and operational data over time.

White Mountains Insurance Group (WTM) Marine & Energy — 1

Screener

Other product segments

Property and Accident & Health

27.4%+15.1%

Specialty

18.2%-5.7%

Casualty-Runoff

8.8%0.0%

Casualty-Active

3.8%-13.6%

Similar metrics at other companies

FRHCCivil Liability — 1

34%-4.2pp

FRHCLife Insurance — 1

50.8%+33.9pp

FRHCMotor Vehicle — 1

69%+6.8pp

FRHCProperty Damage — 1

21%+1.4pp

FRHCVehicle Owners — 1

67%+4.0pp

FRHCAccident Insurance — 1

37.2%+6.2pp

Other financials

Income statement

See full

Revenue$844.6M+22.5%

Gross profit$764.5M+18.2%

Net income$199.5M+62.3%

Balance sheet

See full

Total debt$932.5M+34.2%

Total equity$5.4B+16.0%

Total assets$13.8B+16.4%

Cash flow

See full

Operating cash flow-$55.5M-131%

Valuation

See full

Market cap$5.3B+15.6%

P/E4.7×—

P/S1.4×-0.5×

Profitability

See full

Gross margin94.1%-3.2pp

Net margin29.3%—

Returns & leverage

See full

Return on equity22.4%—

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:ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne.

The source filing: White Mountains Insurance Group’s 10-K, filed February 27, 2026.

Filed: Feb 27, 2026, 9:21 AM EST
Fiscal year: FY2025
Accession: 0001628280-26-012603

Marine & Energy	Marine & Energy / Average Annual Percentage Payout of Incurred Loss and LAE by Age, Net of Reinsurance	Marine & Energy / Average Annual Percentage Payout of Incurred Loss and LAE by Age, Net of Reinsurance	Marine & Energy / Average Annual Percentage Payout of Incurred Loss and LAE by Age, Net of Reinsurance	Marine & Energy / Average Annual Percentage Payout of Incurred Loss and LAE by Age, Net of Reinsurance	Average Annual Percentage Payout of Incurred Loss and LAE by Age, Net of Reinsurance	Average Annual Percentage Payout of Incurred Loss and LAE by Age, Net of Reinsurance	Average Annual Percentage Payout of Incurred Loss and LAE by Age, Net of Reinsurance	Average Annual Percentage Payout of Incurred Loss and LAE by Age, Net of Reinsurance	Average Annual Percentage Payout of Incurred Loss and LAE by Age, Net of Reinsurance	Average Annual Percentage Payout of Incurred Loss and LAE by Age, Net of Reinsurance
Years	1	2	3	4	5	6	7	8	9	10
	12.1%	27.1%	17.3%	12.1%	6.4%	6.5%	0.5%	0.4%	0.1%	0.1%

Item 16. Form 10-K Summary.

FAQ

What is White Mountains Insurance Group's marine & energy — 1?: White Mountains Insurance Group (WTM) reported marine & energy — 1 of 12.1% in Q4 2025.
How has White Mountains Insurance Group's marine & energy — 1 changed year-over-year?: White Mountains Insurance Group's marine & energy — 1 decreased by 6.2% year-over-year, from 12.9% to 12.1%.
What does marine & energy — 1 mean?: This metric acts as a primary identifier or index for the Marine and Energy segment's performance reporting. It serves as a baseline reference point for tracking segment-specific financial metrics and operational data over time.