Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000776867-17-000037
Filing Date
2017-11-08
Accepted
2017-11-08 08:47:39
Documents
107
Period of Report
2017-09-30

Document Format Files

Seq Description Document Type Size
1 10-Q wtm10-q93017.htm 10-Q 4620906
2 EXHIBIT 31.1 wtm10-q93017ex311.htm EX-31.1 10789
3 EXHIBIT 31.2 wtm10-q93017ex312.htm EX-31.2 10786
4 EXHIBIT 32.1 wtm10-q93017ex321.htm EX-32.1 6957
5 EXHIBIT 32.2 wtm10-q93017ex322.htm EX-32.2 7039
  Complete submission text file 0000776867-17-000037.txt   28915734

Data Files

Seq Description Document Type Size
6 XBRL INSTANCE DOCUMENT wtm-20170930.xml EX-101.INS 9448663
7 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT wtm-20170930.xsd EX-101.SCH 109060
8 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT wtm-20170930_cal.xml EX-101.CAL 116097
9 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT wtm-20170930_def.xml EX-101.DEF 895256
10 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT wtm-20170930_lab.xml EX-101.LAB 1154196
11 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT wtm-20170930_pre.xml EX-101.PRE 1004046
Mailing Address 80 SOUTH MAIN STREET HANOVER NH 03755
Business Address 80 SOUTH MAIN ST HANOVER NH 03755 603 640 2200
WHITE MOUNTAINS INSURANCE GROUP LTD (Filer) CIK: 0000776867 (see all company filings)

EIN.: 942708455 | State of Incorp.: D0 | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-08993 | Film No.: 171185230
SIC: 6331 Fire, Marine & Casualty Insurance