White Mountains Insurance Group, Ltd.

WTM Financial Insurance Property & Casualty

White Mountains Insurance Group, Ltd.’s revenue for fiscal 2025 (year ended December 2025) was $3.7 billion, up 66.8% from fiscal 2024.

Revenue
+22.6%
EPS
+68.8%
Free cash flow
−131.3%
Total debt
+34.2%

Quarter to June 2026, against a year earlier

2,376.57 90.04 +3.94%
Market cap
$5.5B
P/E
5.2×
Fwd P/E
5.1×
Dividend yield
0.04%
F-score
6/9
Altman Z
n/a
Beneish M
n/a
Dividend safety
n/a

White Mountains Insurance Group, Ltd. (WTM) Gross margin

Alert me on Gross margin

White Mountains Insurance Group, Ltd.'s gross margin over the twelve months to 30 June 2026 was 59.4%, down 1.1 percentage points from fiscal 2025 (60.5%). Over the past ten years it has ranged from 7.16% (fiscal 2021) to 98.0% (fiscal 2020); the current reading is higher than 64% of that period. That is above the Insurance Property & Casualty industry median of 41.7% and below the Financial sector median of 70.2%.

Gross margin, annual

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Annual newest first

Period Gross margin Change (points)
FY2025 60.5% 16.71
FY2024 43.8% (7.44)
FY2023 51.2% 27.68
FY2022 23.5% 16.36
FY2021 7.16% (90.80)
FY2020 98.0% 11.24
FY2019 86.7% 63.34
FY2018 23.4% (37.83)
FY2017 61.2% 34.77
FY2016 26.4% (48.90)

Quarterly newest first

Period Gross margin Change (points)
Jun 2026 54.4% 25.72
Mar 2026 28.7% (48.08)
Dec 2025 76.8% 26.68
Sep 2025 50.1% (5.38)
42 more quarters

Against its own ten years

Low 7.16% High 98.0%
Ten-year median 51.2%
Current reading's percentile 69

Gross margin against peers

Company Gross margin
HGTY Hagerty, Inc. compare 100.0%
WTM White Mountains Insurance Group, Ltd. 59.4%
THG The Hanover Insurance Group, Inc. compare 44.4%
SIGI Selective Insurance Group, Inc. compare 41.8%
KNSL Kinsale Capital Group, Inc. compare 34.5%
RLI RLI Corp. compare 33.5%
PLMR Palomar Holdings, Inc. compare 24.9%
MCY Mercury General Corporation compare 21.1%
ORI Old Republic International Corporation compare 14.9%
Insurance Property & Casualty industry median 41.7%
Financial sector median 70.2%
Market median 46.4%

What Gross margin is

Gross Margin tells an investor how much of each sale a company keeps after paying the direct costs of making or buying what it sells.

Gross Profit ÷ Revenue

The full definition of Gross margin →

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