What is White Mountains Insurance Group's marine & energy — 5?

White Mountains Insurance Group (WTM) reported marine & energy — 5 of 6.4% in Q4 2025.

How has White Mountains Insurance Group's marine & energy — 5 changed year-over-year?

White Mountains Insurance Group's marine & energy — 5 increased by 30.6% year-over-year, from 4.9% to 6.4%.

What does marine & energy — 5 mean?

Tracks the loss ratio for the Marine and Energy segment, calculated as incurred losses divided by earned premiums. This metric is essential for evaluating the underwriting discipline and risk selection quality within this specific insurance vertical.

White Mountains Insurance Group (WTM) Marine & Energy — 5

Screener

Other product segments

Casualty-Active

10%+5.3%

Casualty-Runoff

8.5%0.0%

Specialty

6.3%-13.7%

Property and Accident & Health

2.9%+3.6%

Similar metrics at other companies

FRHCCivil Liability — 5

9%+5.6pp

FRHCMotor Vehicle — 5

0%—

FRHCProperty Damage — 5

6%-1.0pp

FRHCVehicle Owners — 5

0%—

FRHCAccident Insurance — 5

18.6%—

HIPOCasualty Lines — 5

4%—

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:ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive.

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 — 5?: White Mountains Insurance Group (WTM) reported marine & energy — 5 of 6.4% in Q4 2025.
How has White Mountains Insurance Group's marine & energy — 5 changed year-over-year?: White Mountains Insurance Group's marine & energy — 5 increased by 30.6% year-over-year, from 4.9% to 6.4%.
What does marine & energy — 5 mean?: Tracks the loss ratio for the Marine and Energy segment, calculated as incurred losses divided by earned premiums. This metric is essential for evaluating the underwriting discipline and risk selection quality within this specific insurance vertical.