State Ledger
Company profile

WHITE MOUNTAINS INSURANCE GROUP LTD CIK 776867

Ticker
WTM (NYSE)
Industry
Fire, Marine & Casualty Insurance
Headquarters
Hanover, NH 03755
Fiscal year end
2025 (FY)
Market Data
Close
$2,087.04
Change
+$24.78
Change %
1.20%
Volume
1,113

WTM · trading date Oct 12, 2026 · previous close $2,062.26 · source: Alpaca (IEX feed, not consolidated full-market data).

Key Financials
Revenue
$3.74B
Net income
$1.11B
Total assets
$12.31B
Total liabilities
$6.05B
Stockholders' equity
$5.43B
Cash & equivalents
$185.60M
Operating income
—
Operating cash flow
$550.50M
Capital expenditures
—

Fiscal year 2025, via 10-K filed 2026-02-27. A dash means this figure wasn't reported in the source filing under a field State Ledger recognizes - not that the value is zero.

Financial Performance
Operating margin
—
Net margin
29.6%
Free cash flow
—
Free cash flow margin
—
Liabilities / assets
49.2%
Equity / assets
44.1%
CapEx / revenue
—
Operating cash flow / net income
0.50×

Derived from the fiscal year 2025 figures above. These metrics are mathematical calculations and do not represent a rating or assessment of the company.

Financial History
Fiscal yearRevenueNet incomeAssetsLiabilitiesEquity
2025 $3.74B $1.11B $12.31B $6.05B $5.43B
2024 $2.24B $230.40M $9.93B $4.79B $4.48B
2023 $2.17B $509.20M $8.39B $3.82B $4.24B
2022 $1.16B $792.80M $7.39B $3.45B $3.75B
2021 $614.40M -$275.40M $7.00B $3.30B $3.55B
Company Details
SIC code
6331
State of incorporation
D0
Active filer
Yes
Most recent SEC filing
Form 4
2026-08-31
Financials filed via
Form 10-K
filed 2026-02-27

"Most recent SEC filing" may differ from the filing used for the financial figures above.

Location
Hanover, NH 03755
23 SOUTH MAIN STREET
Data & Methodology

SEC EDGAR submissions API (identity, collected Sep 19, 2026, 15:11 UTC) and SEC XBRL Company Facts API (financials, collected Sep 26, 2026, 15:38 UTC) · figures as originally filed, not restated · a dash always means a value wasn't reported, never a real zero.

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