Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000776867-18-000018
Filing Date
2018-08-07
Accepted
2018-08-07 09:15:18
Documents
279
Period of Report
2018-06-30

Document Format Files

Seq Description Document Type Size
1 10-Q wtm10-q63018.htm 10-Q 3453555
2 EXHIBIT 10 wtm10q63018ex10.htm EX-10 731945
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4 EXHIBIT 31.2 wtm10-q63018ex312.htm EX-31.2 10784
5 EXHIBIT 32.1 wtm10-q63018ex321.htm EX-32.1 6950
6 EXHIBIT 32.2 wtm10-q63018ex322.htm EX-32.2 7032
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  Complete submission text file 0000776867-18-000018.txt   82053256

Data Files

Seq Description Document Type Size
7 XBRL INSTANCE DOCUMENT wtm-20180630.xml EX-101.INS 5675784
8 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT wtm-20180630.xsd EX-101.SCH 94282
9 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT wtm-20180630_cal.xml EX-101.CAL 112500
10 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT wtm-20180630_def.xml EX-101.DEF 720472
11 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT wtm-20180630_lab.xml EX-101.LAB 1043008
12 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT wtm-20180630_pre.xml EX-101.PRE 816728
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.: 18996483
SIC: 6331 Fire, Marine & Casualty Insurance