Exhibit 21
SUBSIDIARIES OF THE REGISTRANT
AS OF DECEMBER 31, 2022
FULL NAME OF SUBSIDIARY | PLACE OF INCORPORATION | ||||
ARK INSURANCE HOLDINGS LIMITED | BERMUDA | ||||
GROUP ARK INSURANCE HOLDINGS LIMITED | BERMUDA | ||||
GROUP ARK INSURANCE LIMITED | BERMUDA | ||||
HG GLOBAL LTD | BERMUDA | ||||
HG HOLDINGS LTD | BERMUDA | ||||
HG RE LTD | BERMUDA | ||||
HG SERVICES LTD | BERMUDA | ||||
PSC HOLDINGS LTD. | BERMUDA | ||||
WHITE MOUNTAINS INVESTMENTS (BERMUDA) LTD. | BERMUDA | ||||
WM HINSON (BERMUDA) LTD | BERMUDA | ||||
WHITE MOUNTAINS HOLDINGS LTD | BERMUDA | ||||
ARK UNDERWRITING INC | CONNECTICUT, USA | ||||
COOPER FUNDING, LLC | DELAWARE, USA | ||||
KUDU INVESTMENT HOLDINGS, LLC | DELAWARE, USA | ||||
KUDU INVESTMENT MANAGEMENT LLC | DELAWARE, USA | ||||
KUDU INVESTMENT US, LLC | DELAWARE, USA | ||||
TK PARTNERS, LLC | DELAWARE, USA | ||||
WHITE MOUNTAINS ADVISORS LLC | DELAWARE, USA | ||||
WHITE MOUNTAINS CAPITAL, LLC | DELAWARE, USA | ||||
WM ADAMS HOLDINGS, INC | DELAWARE, USA | ||||
WM JEFFERSON HOLDINGS, INC | DELAWARE, USA | ||||
WM LAFEYETTE HOLDINGS, INC | DELAWARE, USA | ||||
WM LINCOLN HOLDINGS, LLC | DELAWARE, USA | ||||
WM MADISON HOLDINGS, INC | DELAWARE, USA | ||||
WM PORTFOLIO HOLDINGS, LLC | DELAWARE, USA | ||||
WHITE MOUNTAINS SERVICES LLC | DELAWARE, USA | ||||
HGR PORTFOLIO SOLUTIONS ICAV | IRELAND | ||||
TNUVA FINANCIT LTD | ISRAEL | ||||
WOBI INSURANCE AGENCY, LTD | ISRAEL | ||||
WHITE MOUNTAINS INVESTMENTS (LUXEMBOURG) S.A.R.L | LUXEMBOURG | ||||
ACCIDENT & HEALTH UNDERWRITING LIMITED | UNITED KINGDOM | ||||
ACCIDENT & HEALTH CLAIMS LLP | UNITED KINGDOM | ||||
ARK CORPORATE MEMBER LIMITED | UNITED KINGDOM | ||||
ARK CORPORATE MEMBER NO. 2 LIMITED | UNITED KINGDOM | ||||
ARK CORPORATE MEMBER NO. 3 LIMITED | UNITED KINGDOM | ||||
ARK CORPORATE MEMBER NO. 4 LIMITED | UNITED KINGDOM | ||||
ARK SYNDICATE MANAGEMENT LIMITED | UNITED KINGDOM | ||||
KFO HOLDINGS LTD | UNITED KINGDOM | ||||
KWCP HOLDINGS UK LTD | UNITED KINGDOM | ||||
SYNDICATE ARK 4020 | UNITED KINGDOM | ||||
SYNDICATE NOA 3902 | UNITED KINGDOM | ||||
WM BIRKDALE LTD | UNITED KINGDOM | ||||
WM CAPITAL HOLDINGS LTD | UNITED KINGDOM | ||||
WM INTERNATIONAL HOLDINGS LTD | UNITED KINGDOM | ||||
WM REGENT, LTD | UNITED KINGDOM | ||||
RICHMOND RISK MANAGEMENT, INC | VIRGINIA, USA |
Certain other subsidiaries of the Company have been omitted since, in the aggregate, they would not constitute a significant subsidiary.