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WHITE MOUNTAINS INSURANCE GROUP, LTD (WTM) Subsidiaries

WHITE MOUNTAINS INSURANCE GROUP, LTD Subsidiaries

Every subsidiary the company listed in Exhibit 21 of its annual reports, newest list first (18 lists). Names and jurisdictions are as filed.

  • 2026-02-27: Subsidiary FULL NAME OF SUBSIDIARY; Jurisdiction PLACE OF INCORPORATION.
  • 2026-02-27: Subsidiary ARK INSURANCE HOLDINGS LIMITED; Jurisdiction BERMUDA.
  • 2026-02-27: Subsidiary GROUP ARK INSURANCE HOLDINGS LIMITED; Jurisdiction BERMUDA.
  • 2026-02-27: Subsidiary GROUP ARK INSURANCE LIMITED; Jurisdiction BERMUDA.
Annual report filedSubsidiaryJurisdiction
2026-02-27FULL NAME OF SUBSIDIARYPLACE OF INCORPORATION
2026-02-27ARK INSURANCE HOLDINGS LIMITEDBERMUDA
2026-02-27GROUP ARK INSURANCE HOLDINGS LIMITEDBERMUDA
2026-02-27GROUP ARK INSURANCE LIMITEDBERMUDA
2026-02-27HG GLOBAL LTDBERMUDA
2026-02-27HG HOLDINGS LTDBERMUDA
2026-02-27HG RE LTDBERMUDA
2026-02-27HG SERVICES LTDBERMUDA
2026-02-27PSC HOLDINGS LTD.BERMUDA
2026-02-27WHITE MOUNTAINS HOLDINGS LTDBERMUDA
2026-02-27WHITE MOUNTAINS INVESTMENTS (BERMUDA) LTD.BERMUDA
2026-02-27WM HINSON (BERMUDA) LTDBERMUDA
2026-02-27WM PAGET (BERMUDA) LTDBERMUDA
2026-02-27AFSF V AIV PHOENIX AGGREGATOR LPDELAWARE, USA
2026-02-27COPPER FUNDING, LLCDELAWARE, USA
2026-02-27DISTINGUISHED, LLCDELAWARE, USA
2026-02-27DISTINGUISHED CAPITAL, LLCDELAWARE, USA
2026-02-27DISTINGUISHED GROUP, LLCDELAWARE, USA
2026-02-27DISTINGUISHED PRIZE INDEMNITY, LLCDELAWARE, USA
2026-02-27DISTINGUISHED PROGRAMS INS BROKERAGE, LLCDELAWARE, USA
2026-02-27DISTINGUISHED PROGRAMS, LLCDELAWARE, USA
2026-02-27DISTINGUISHED PROGRAMS RISK MANAGEMENT, LLCDELAWARE, USA
2026-02-27DISTINGUISHED SPECIALTY INS. BROKERAGE, LLCDELAWARE, USA
2026-02-27DISTINGUISHED SPECIALTY RISK MANAGEMENT, LLCDELAWARE, USA
2026-02-27DP D&O MANAGEMENT , LLCDELAWARE, USA
2026-02-27DP FINE ART AND COLLECTIBLES, LLCDELAWARE, USA
2026-02-27DP INLAND MARINE MANAGEMENT, LLCDELAWARE, USA
2026-02-27DP SURETY MANAGEMENT, LLCDELAWARE, USA
2026-02-27DEPI HOLDINGS, LLCDELAWARE, USA
2026-02-27IDP HOSPITALITY GROUP, LLCDELAWARE, USA
2026-02-27IDP HOLDINGS, LLCDELAWARE, USA
2026-02-27KUDU INVESTMENT HOLDINGS, LLCDELAWARE, USA
2026-02-27KUDU INVESTMENT MANAGEMENT LLCDELAWARE, USA
2026-02-27KUDU INVESTMENT US, LLCDELAWARE, USA
2026-02-27PHOENIX INTERMEDIATE, LLCDELAWARE, USA
2026-02-27PHOENIX MERGER PARENT, LLCDELAWARE, USA
2026-02-27TK PARTNERS, LLCDELAWARE, USA
2026-02-27WHITE MOUNTAINS ADVISORS LLCDELAWARE, USA
2026-02-27WHITE MOUNTAINS CAPITAL, LLCDELAWARE, USA
2026-02-27WHITE MOUNTAINS PARTNERS, LLCDELAWARE, USA
2026-02-27WHITE MOUNTAINS SERVICES LLCDELAWARE, USA
2026-02-27WM ADAMS HOLDINGS, INCDELAWARE, USA
2026-02-27WM CLAY HOLDINGS, INCDELAWARE, USA
2026-02-27WM JEFFERSON HOLDINGS, INCDELAWARE, USA
2026-02-27WM LAFAYETTE HOLDINGS, LLCDELAWARE, USA
2026-02-27WM LINCOLN HOLDINGS, LLCDELAWARE, USA
2026-02-27WM MADISON HOLDINGS, INCDELAWARE, USA
2026-02-27WM MONROE HOLDINGS, INCDELAWARE, USA
2026-02-27WM MONROE BLOCKER GP, LLCDELAWARE, USA
2026-02-27WM MONROE BLOCKER, L.P.DELAWARE, USA
2026-02-27WM PHOENIX BLOCKER GP, LLCDELAWARE, USA
2026-02-27WM PHOENIX BLOCKER, L.P.DELAWARE, USA
2026-02-27WM PHOENIX PARENT, L.P.DELAWARE, USA
2026-02-27WM PORTFOLIO HOLDINGS, LLCDELAWARE, USA
2026-02-27WMP INVESTMENTS I, INCDELAWARE, USA
2026-02-27WM TAYLOR HOLDINGS, INCDELAWARE, USA
2026-02-27WM WEBSTER HOLDINGS, INCDELAWARE, USA
2026-02-27TNUVA FINANCIT LTDISRAEL
2026-02-27WOBI INSURANCE AGENCY, LTDISRAEL
2026-02-27WHITE MOUNTAINS INVESTMENTS (LUXEMBOURG) S.A.R.LLUXEMBOURG
2026-02-27ENTERPRISE ELECTRIC, LLCTENNESSEE, USA
2026-02-27ACCIDENT & HEALTH UNDERWRITING LIMITEDUNITED KINGDOM
2026-02-27ACCIDENT & HEALTH CLAIMS LLPUNITED KINGDOM
2026-02-27ARK CORPORATE MEMBER LIMITEDUNITED KINGDOM
2026-02-27ARK CORPORATE MEMBER NO. 2 LIMITEDUNITED KINGDOM
2026-02-27ARK CORPORATE MEMBER NO. 3 LIMITEDUNITED KINGDOM
2026-02-27ARK CORPORATE MEMBER NO. 4 LIMITEDUNITED KINGDOM
2026-02-27ARK SYNDICATE MANAGEMENT LIMITEDUNITED KINGDOM
2026-02-27KFO HOLDINGS LTDUNITED KINGDOM
2026-02-27KWCP HOLDINGS UK LTDUNITED KINGDOM
2026-02-27SYNDICATE ARK 4020UNITED KINGDOM
2026-02-27SYNDICATE NOA 3902UNITED KINGDOM
2026-02-27WM BIRKDALE LTDUNITED KINGDOM
2026-02-27WM CAPITAL HOLDINGS LTDUNITED KINGDOM
2026-02-27WM INTERNATIONAL HOLDINGS LTDUNITED KINGDOM
2026-02-27WM REGENT, LTDUNITED KINGDOM
2026-02-27RICHMOND RISK MANAGEMENT, INCVIRGINIA, USA

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