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) Shares outstanding

Alert me on Shares outstanding

White Mountains Insurance Group, Ltd.'s shares outstanding at the end of fiscal 2025 was $2.5M, unchanged from fiscal 2024. At the end of the quarter to 30 June 2026 it was $2.4M. Over the past ten years it has ranged from $2.5M (fiscal 2023) to $5.8M (fiscal 2015); the current reading is higher than 27% of that period. White Mountains Insurance Group, Ltd. ranks 45th of 45 Insurance Property & Casualty companies by shares outstanding.

Shares outstanding, annual

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Annual newest first

Period Shares outstanding Change
FY2025 $2.5M 0.08%
FY2024 $2.5M 0.19%
FY2023 $2.5M (10.57%)
FY2022 $2.8M (7.13%)
FY2021 $3.0M (1.23%)
FY2020 $3.1M (1.91%)
FY2019 $3.1M (6.01%)
FY2018 $3.3M (21.16%)
FY2017 $4.2M (14.42%)
FY2016 $5.0M (14.77%)

Quarterly newest first

Period Shares outstanding Change
Jun 2026 $2.4M (1.59%)
Mar 2026 $2.4M (3.44%)
Dec 2025 $2.5M (0.30%)
Sep 2025 $2.5M 0.04%
42 more quarters

Against its own ten years

Low $2.5M High $5.8M
Ten-year median $3.1M
Current reading's percentile 27

Shares outstanding against peers

What Shares outstanding is

Shares (Diluted, Weighted) tells an investor how many shares a company’s earnings are spread across once potential new shares are counted.

Reported line item

The full definition of Shares outstanding →

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