EX-21 6 wtm10-k123116ex21.htm EXHIBIT 21
Exhibit 21
SUBSIDIARIES OF THE REGISTRANT
AS OF DECEMBER 31, 2016

FULL NAME OF SUBSIDIARY | PLACE OF INCORPORATION
OB (BARBADOS) INTERNATIONAL SRL | BARBADOS
WTM (BARBADOS) INTERNATIONAL SRL | BARBADOS
BRIDGE HOLDINGS (BERMUDA) LTD | BERMUDA
HG GLOBAL LTD | BERMUDA
HG HOLDINGS LTD | BERMUDA
HG RE LTD | BERMUDA
HG SERVICES LTD | BERMUDA
LONE TREE HOLDINGS LTD. | BERMUDA
MILL SHARES HOLDINGS BERMUDA LIMITED | BERMUDA
ONEBEACON INSURANCE GROUP LTD. | BERMUDA
PSC HOLDINGS LTD. | BERMUDA
SPLIT ROCK INSURANCE, LTD | BERMUDA
WHITE MOUNTAINS INVESTMENTS BERMUDA LTD. | BERMUDA
WHITE MOUNTAINS LIFE REINSURANCE (BERMUDA) LTD. | BERMUDA
ABIAKA HOLDINGS LLC | DELAWARE, USA
GUILFORD HOLDINGS, INC. | DELAWARE, USA
HOMELAND INSURANCE COMPANY OF DELAWARE | DELAWARE, USA
ONEBEACON INSURANCE GROUP LLC | DELAWARE, USA
ONEBEACON U.S. ENTERPRISES HOLDINGS, INC. | DELAWARE, USA
ONEBEACON U.S. FINANCIAL SERVICES, INC. | DELAWARE, USA
ONEBEACON U.S. HOLDINGS, INC. | DELAWARE, USA
ONEBEACON SERVICES LLC | DELAWARE, USA
QL HOLDINGS LLC | DELAWARE, USA
QUOTELAB, LLC | DELAWARE, USA
STAR & SHIELD SERVICES LLC | DELAWARE, USA
WHITE MOUNTAINS ADVISORS LLC | DELAWARE, USA
WHITE MOUNTAINS CAPITAL, INC | DELAWARE, USA
WHITE MOUNTAINS FINANCIAL SERVICES LLC | DELAWARE, USA
WHITE MOUNTAINS SERVICES LLC | DELAWARE, USA
HG (GIBRALTAR) LIMITED | GIBRALTAR
HGR (GIBRALTAR) LIMITED | GIBRALTAR
ONEBEACON HOLDINGS (GIBRALTAR) LIMITED | GIBRALTAR
TLP HOLDINGS (GIBRALTAR) LIMITED | GIBRALTAR
WM ALAMEDA (GIBRALTAR) LIMITED | GIBRALTAR
WM QUEENSWAY (GIBRALTAR) LIMITED | GIBRALTAR
STAR & SHIELD CLAIMS SERVICES LLC | FLORIDA, USA
STAR & SHIELD RISK MANAGEMENT LLC | FLORIDA, USA
TNUVA FINANCIT LTD | ISRAEL
WOBI INSURANCE AGENCY, LTD | ISRAEL
ONEBEACON INVESTMENTS (LUXEMBOURG) S.A.R.L. | LUXEMBOURG
WHITE MOUNTAINS HOLDINGS (LUXEMBOURG) S.A.R.L. | LUXEMBOURG
WHITE MOUNTAINS INVESTMENTS (LUXEMBOURG) S.A.R.L | LUXEMBOURG
WM BELVAUX (LUXEMBOURG) S.A.R.L. | LUXEMBOURG
WM FINDEL (LUXEMBOURG) S.A.R.L. | LUXEMBOURG
WM KEHLEN (LUXEMBOURG) S.A.R.L. | LUXEMBOURG
ATLANTIC SPECIALTY INSURANCE COMPANY | NEW YORK, USA
GRAND MARAIS CAPITAL LIMITED | UNITED KINGDOM
REMOVAL STARS LIMITED | UNITED KINGDOM

Certain other subsidiaries of the Company have been omitted since, in the aggregate, they would not constitute a significant subsidiary.