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    ACCESSION NUMBER:		0000776867-18-000011
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		51
    CONFORMED PERIOD OF REPORT:	20180608
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20180608
    DATE AS OF CHANGE:		20180608

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			WHITE MOUNTAINS INSURANCE GROUP LTD
    		CENTRAL INDEX KEY:			0000776867
    		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
    		IRS NUMBER:				942708455
    		STATE OF INCORPORATION:			D0
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-08993
    		FILM NUMBER:		18888098

    	BUSINESS ADDRESS:
    		STREET 1:		80 SOUTH MAIN ST
    		CITY:			HANOVER
    		STATE:			NH
    		ZIP:			03755
    		BUSINESS PHONE:		603 640 2200

    	MAIL ADDRESS:
    		STREET 1:		80 SOUTH MAIN STREET
    		CITY:			HANOVER
    		STATE:			NH
    		ZIP:			03755

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	WHITE MOUNTAINS INSURANCE GROUP INC
    		DATE OF NAME CHANGE:	19990603

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	FUND AMERICAN ENTERPRISES HOLDINGS INC
    		DATE OF NAME CHANGE:	19920703

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	FUND AMERICAN COMPANIES INC
    		DATE OF NAME CHANGE:	19920701
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