Superworth

White Mountains Insurance profit margin WTM

Gross, operating and net profit as a share of revenue over the last twelve months, from 2010.

Net margin, 12 months
29.3%
Net margin on a year earlier
+21.0 pts
Peer median
15.9%

Over the twelve months to Jun 30, 2026, White Mountains Insurance kept 29.3% of its revenue as net profit.

Five years earlier its net margin was 52.3%.

The median for 10 property and casualty insurers of a similar size is 15.9%.

Profit margin over time

OperatingNet

Open the interactive chart, with overlays and comparisons

Fiscal year by fiscal year

Fiscal yearNet marginOperating margin
FY202529.6%n/a
FY202410.3%n/a
FY202323.5%n/a
FY202268.5%n/a
FY2021−35.4%n/a
FY202060.0%n/a
FY201946.4%47.3%
FY2018−38.3%−45.7%
FY2017n/an/a
FY2016n/an/a
FY201518.4%n/a
FY201421.5%n/a
FY201313.9%n/a
FY20128.5%n/a
FY201135.3%n/a

Quarter by quarter

QuarterEndedNet margin, 12 monthsChange on a year
Q2 FY2629.3%+21.0 pts
Q1 FY2628.4%+27.2 pts
Q4 FY2529.6%+19.3 pts
Q3 FY255.6%−19.1 pts
Q2 FY258.3%−13.1 pts
Q1 FY251.3%−23.5 pts
Q4 FY2410.3%−13.2 pts
Q3 FY2424.7%+10.6 pts
Q2 FY2421.4%−43.7 pts
Q1 FY2424.8%−40.9 pts
Q4 FY2323.5%−45.0 pts
Q3 FY2314.1%−59.3 pts

Against its peers

Companies in Insurance - Property & Casualty nearest White Mountains Insurance's size, closest first, today.

CompanyProfit margin
WTMWhite Mountains Insurance29.3%
MCYMercury General14.8%
SIGISelective Insurance9.4%
RLIRLI20.3%
AXSAxis Capital16.2%
PLMRPalomar18.6%
THGHanover Insurance11.2%
KNSLKinsale Capital28.5%
SLDESlide Insurance40.0%
SPNTSiriusPoint15.6%
SKWDSkyward Specialty Insurance10.8%
Peer median15.9%

Where White Mountains Insurance ranks

What the profit margin tells you

Profit as a share of revenue at three levels: gross (after making the product), operating (after running the business) and net (after everything, including tax and interest).

Compare within an industry. 10% is superb for a retailer and poor for a software company.

More on White Mountains Insurance

Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.