2,256.20
+0.67%
Close of 9 Nov 2026, in USD
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About White Mountains Insurance Group
From its filings with the US Securities and Exchange Commission
White Mountains Insurance Group is based in Hanover, New Hampshire and is incorporated in Bermuda. Its shares trade on NYSE under the ticker WTM. The SEC classifies its business as fire, marine & casualty insurance. In the fiscal year to 31 December 2025, it reported revenue of $3.73bn and net income of $1.11bn. At that date it held total assets of $12.31bn and shareholders' equity of $5.43bn.
White Mountains is engaged in the business of making opportunistic and value-oriented acquisitions of businesses and assets in the insurance, financial services and related sectors, operating these businesses and assets through its subsidiaries and, if and when attractive exit valuations become available, disposing of these businesses and assets.
As of December 31, 2025, White Mountains conducted its business primarily in five areas: property and casualty insurance and reinsurance, municipal bond guarantee reinsurance, capital solutions for asset and wealth management firms, specialty insurance distribution and other operations. White Mountains’s property and casualty insurance and reinsurance business is conducted through its subsidiary Ark Insurance Holdings Limited and its subsidiaries (collectively, “Ark”) and Outrigger Re Ltd. Segregated Account 2023-1 (“WM Outrigger Re”) (collectively with Ark, “Ark/WM Outrigger”). White Mountains’s municipal bond guarantee reinsurance business is conducted through its subsidiary HG Global Ltd. and its reinsurance subsidiary HG Re Ltd. (“HG Re”) (collectively with HG Re, “HG Global”). White Mountains provides capital solutions for asset and wealth management firms through its subsidiary Kudu Investment Management, LLC and its subsidiaries (collectively, “Kudu”). White Mountains’s specialty insurance distribution business is conducted through its subsidiary WM Phoenix Parent, L.P. and its subsidiaries d/b/a Distinguished Programs (collectively, “Distinguished”).
Quoted from its 10-K, filed 27 Feb 2026. Read the filing on SEC.gov ↗
Company facts
- Sector
- Financials
- Industry
- Insurance
- Listed since
- 23 Oct 1985
- Employees
- 1,648
- Website
- whitemountains.com ↗
- Head office
- 23 SOUTH MAIN STREET, HANOVER, NH, 03755
- Incorporated in
- D0
- Classification
- Fire, Marine & Casualty Insurance
- Filer status
- Large accelerated filer
Leadership
Pay as last reported
- Mr. Weston HicksIndependent Chairman of the Board$645,326
- Mr. Liam CaffreyPresident, Chief Financial Officer$5.5m
- Mr. George RountreeChief Executive Officer, Director$7.4m
- Mr. David TannerIndependent Deputy Chairman of the Board$433,604
- Mr. Robert SeeligExecutive Vice President, General Counsel$4.1m
- Ms. Michaela HildrethChief Accounting Officer, Managing Director$3.0m
- Mr. Reid CampbellDirector, since 2004$650,506
- Mr. Steven YiDirector$418,604
- Mr. Peter CarlsonIndependent Director$473,604
- Ms. Mary ChoksiIndependent Director$453,604
- Ms. Margaret DillonIndependent Director$433,604
- Mr. Philip GelstonIndependent Director$458,604
Environmental, social and governance
Scores out of 100, from our data supplier
- Overall
- 45
- Environment
- 49
- Social
- 38
- Governance
- 49
- Carbon reduction policy
- No
- Human rights policy
- No
Sources and methodology
- Data on this tab
- Our data supplier
- Chart on the Overview
- TradingView
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