<SEC-DOCUMENT>0000776867-20-000011-index.html : 20200330 <SEC-HEADER>0000776867-20-000011.hdr.sgml : 20200330 <ACCEPTANCE-DATETIME>20200330092037 ACCESSION NUMBER: 0000776867-20-000011 CONFORMED SUBMISSION TYPE: 10-K/A PUBLIC DOCUMENT COUNT: 63 CONFORMED PERIOD OF REPORT: 20191231 FILED AS OF DATE: 20200330 DATE AS OF CHANGE: 20200330 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: 10-K/A SEC ACT: 1934 Act SEC FILE NUMBER: 001-08993 FILM NUMBER: 20754400 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 </SEC-HEADER> <DOCUMENT> <TYPE>10-K/A <SEQUENCE>1 <FILENAME>wtm10-ka2019ma.htm <DESCRIPTION>10-K/A <TEXT> Document 1 - file: wtm10-ka2019ma.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.1 <SEQUENCE>2 <FILENAME>wtm10-ka2019ex231.htm <DESCRIPTION>EXHIBIT 23.1 <TEXT> Document 2 - file: wtm10-ka2019ex231.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-31.1 <SEQUENCE>3 <FILENAME>wtm10-ka2019ex311.htm <DESCRIPTION>EXHIBIT 31.1 <TEXT> Document 3 - file: wtm10-ka2019ex311.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-31.2 <SEQUENCE>4 <FILENAME>wtm10-ka2019ex312.htm <DESCRIPTION>EXHIBIT 31.2 <TEXT> Document 4 - file: wtm10-ka2019ex312.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-32.1 <SEQUENCE>5 <FILENAME>wtm10-ka2019ex321.htm <DESCRIPTION>EXHIBIT 32.1 <TEXT> Document 5 - file: wtm10-ka2019ex321.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-32.2 <SEQUENCE>6 <FILENAME>wtm10-ka2019ex322.htm <DESCRIPTION>EXHIBIT 32.2 <TEXT> Document 6 - file: wtm10-ka2019ex322.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>7 <FILENAME>wtm10ka2019ex991.htm <DESCRIPTION>EXHIBIT 99.1 <TEXT> Document 7 - file: wtm10ka2019ex991.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.2 <SEQUENCE>8 <FILENAME>wtm10ka2019ex992.htm <DESCRIPTION>EXHIBIT 99.2 <TEXT> Document 8 - file: wtm10ka2019ex992.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.SCH <SEQUENCE>9 <FILENAME>wtm-20191231.xsd <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT <TEXT> Document 9 - file: wtm-20191231.xsd
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.CAL <SEQUENCE>10 <FILENAME>wtm-20191231_cal.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT <TEXT> Document 10 - file: wtm-20191231_cal.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.DEF <SEQUENCE>11 <FILENAME>wtm-20191231_def.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT <TEXT> Document 11 - file: wtm-20191231_def.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>12 <FILENAME>wtm-20191231_lab.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT <TEXT> Document 12 - file: wtm-20191231_lab.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>13 <FILENAME>wtm-20191231_pre.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT <TEXT> Document 13 - file: wtm-20191231_pre.xml
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>wtm10ka2019ex991001.jpg <TEXT> Document 14 - file: wtm10ka2019ex991001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>wtm10ka2019ex991002.jpg <TEXT> Document 15 - file: wtm10ka2019ex991002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>wtm10ka2019ex991003.jpg <TEXT> Document 16 - file: wtm10ka2019ex991003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>wtm10ka2019ex991004.jpg <TEXT> Document 17 - file: wtm10ka2019ex991004.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>wtm10ka2019ex991005.jpg <TEXT> Document 18 - file: wtm10ka2019ex991005.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>wtm10ka2019ex991006.jpg <TEXT> Document 19 - file: wtm10ka2019ex991006.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>wtm10ka2019ex991007.jpg <TEXT> Document 20 - file: wtm10ka2019ex991007.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>wtm10ka2019ex991008.jpg <TEXT> Document 21 - file: wtm10ka2019ex991008.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>wtm10ka2019ex991009.jpg <TEXT> Document 22 - file: wtm10ka2019ex991009.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>wtm10ka2019ex991010.jpg <TEXT> Document 23 - file: wtm10ka2019ex991010.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>wtm10ka2019ex991011.jpg <TEXT> Document 24 - file: wtm10ka2019ex991011.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>wtm10ka2019ex991012.jpg <TEXT> Document 25 - file: wtm10ka2019ex991012.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>wtm10ka2019ex991013.jpg <TEXT> Document 26 - file: wtm10ka2019ex991013.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>wtm10ka2019ex991014.jpg <TEXT> Document 27 - file: wtm10ka2019ex991014.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>28 <FILENAME>wtm10ka2019ex991015.jpg <TEXT> Document 28 - file: wtm10ka2019ex991015.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>29 <FILENAME>wtm10ka2019ex991016.jpg <TEXT> Document 29 - file: wtm10ka2019ex991016.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>30 <FILENAME>wtm10ka2019ex991017.jpg <TEXT> Document 30 - file: wtm10ka2019ex991017.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>31 <FILENAME>wtm10ka2019ex991018.jpg <TEXT> Document 31 - file: wtm10ka2019ex991018.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>32 <FILENAME>wtm10ka2019ex991019.jpg <TEXT> Document 32 - file: wtm10ka2019ex991019.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>33 <FILENAME>wtm10ka2019ex991020.jpg <TEXT> Document 33 - file: wtm10ka2019ex991020.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>34 <FILENAME>wtm10ka2019ex991021.jpg <TEXT> Document 34 - file: wtm10ka2019ex991021.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>35 <FILENAME>wtm10ka2019ex992001.jpg <TEXT> Document 35 - file: wtm10ka2019ex992001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>36 <FILENAME>wtm10ka2019ex992002.jpg <TEXT> Document 36 - file: wtm10ka2019ex992002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>37 <FILENAME>wtm10ka2019ex992003.jpg <TEXT> Document 37 - file: wtm10ka2019ex992003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>38 <FILENAME>wtm10ka2019ex992004.jpg <TEXT> Document 38 - file: wtm10ka2019ex992004.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>39 <FILENAME>wtm10ka2019ex992005.jpg <TEXT> Document 39 - file: wtm10ka2019ex992005.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>40 <FILENAME>wtm10ka2019ex992006.jpg <TEXT> Document 40 - file: wtm10ka2019ex992006.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>41 <FILENAME>wtm10ka2019ex992007.jpg <TEXT> Document 41 - file: wtm10ka2019ex992007.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>42 <FILENAME>wtm10ka2019ex992008.jpg <TEXT> Document 42 - file: wtm10ka2019ex992008.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>43 <FILENAME>wtm10ka2019ex992009.jpg <TEXT> Document 43 - file: wtm10ka2019ex992009.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>44 <FILENAME>wtm10ka2019ex992010.jpg <TEXT> Document 44 - file: wtm10ka2019ex992010.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>45 <FILENAME>wtm10ka2019ex992011.jpg <TEXT> Document 45 - file: wtm10ka2019ex992011.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>46 <FILENAME>wtm10ka2019ex992012.jpg <TEXT> Document 46 - file: wtm10ka2019ex992012.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>47 <FILENAME>wtm10ka2019ex992013.jpg <TEXT> Document 47 - file: wtm10ka2019ex992013.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>48 <FILENAME>wtm10ka2019ex992014.jpg <TEXT> Document 48 - file: wtm10ka2019ex992014.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>49 <FILENAME>wtm10ka2019ex992015.jpg <TEXT> Document 49 - file: wtm10ka2019ex992015.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>50 <FILENAME>wtm10ka2019ex992016.jpg <TEXT> Document 50 - file: wtm10ka2019ex992016.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>51 <FILENAME>wtm10ka2019ex992017.jpg <TEXT> Document 51 - file: wtm10ka2019ex992017.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>52 <FILENAME>wtm10ka2019ex992018.jpg <TEXT> Document 52 - file: wtm10ka2019ex992018.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>53 <FILENAME>wtm10ka2019ex992019.jpg <TEXT> Document 53 - file: wtm10ka2019ex992019.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>54 <FILENAME>wtm10ka2019ex992020.jpg <TEXT> Document 54 - file: wtm10ka2019ex992020.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>55 <FILENAME>wtm10ka2019ex992021.jpg <TEXT> Document 55 - file: wtm10ka2019ex992021.jpg
</DOCUMENT> <DOCUMENT> <TYPE>JSON <SEQUENCE>56 <FILENAME>MetaLinks.json <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 56 - file: MetaLinks.json
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>57 <FILENAME>0000776867-20-000011-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 57 - file: 0000776867-20-000011-xbrl.zip
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>58 <FILENAME>FilingSummary.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 58 - file: FilingSummary.html
Document 58 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>59 <FILENAME>Show.js <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 59 - file: Show.js
</DOCUMENT> <DOCUMENT> <TYPE>EXCEL <SEQUENCE>62 <FILENAME>Financial_Report.xlsx <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 62 - file: Financial_Report.xlsx
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>63 <FILENAME>wtm10-ka2019ma_htm.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 63 - file: wtm10-ka2019ma_htm.html
Document 63 - RAW XML: wtm10-ka2019ma_htm.xml
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>64 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 64 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>65 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 65 - file: report.css
</DOCUMENT> </SEC-DOCUMENT>