0001104659-18-066654.txt : 20181107 0001104659-18-066654.hdr.sgml : 20181107 20181107160828 ACCESSION NUMBER: 0001104659-18-066654 CONFORMED SUBMISSION TYPE: 13F-NT PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180930 FILED AS OF DATE: 20181107 DATE AS OF CHANGE: 20181107 EFFECTIVENESS DATE: 20181107 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: 13F-NT SEC ACT: 1934 Act SEC FILE NUMBER: 028-01681 FILM NUMBER: 181166371 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 13F-NT 1 primary_doc.xml 13F-NT LIVE 0000776867 XXXXXXXX 09-30-2018 09-30-2018 false White Mountains Insurance Group Ltd

80 South Main Street Hanover NH 03755

13F NOTICE 028-01681 0001253840 028-10494 White Mountains Advisors LLC N J. Brian Palmer 603-640-2200 /s/ J. Brian Palmer Boston MA 11-07-2018