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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000776867-20-000036
Filing Date
2020-11-06
Accepted
2020-11-06 09:08:44
Documents
110
Period of Report
2020-09-30

Document Format Files

Seq Description Document Type Size
1 10-Q wtm10-q9302020.htm   iXBRL 10-Q 6125154
2 EXHIBIT 31.1 wtmq32020ex311.htm EX-31.1 10848
3 EXHIBIT 31.2 wtmq32020ex312.htm EX-31.2 10878
4 EXHIBIT 32.1 wtmq32020ex321.htm EX-32.1 7093
5 EXHIBIT 32.2 wtmq32020ex322.htm EX-32.2 7175
  Complete submission text file 0000776867-20-000036.txt   25212078

Data Files

Seq Description Document Type Size
6 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT wtm-20200930.xsd EX-101.SCH 103496
7 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT wtm-20200930_cal.xml EX-101.CAL 126823
8 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT wtm-20200930_def.xml EX-101.DEF 728230
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT wtm-20200930_lab.xml EX-101.LAB 1167809
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT wtm-20200930_pre.xml EX-101.PRE 882703
11 EXTRACTED XBRL INSTANCE DOCUMENT wtm10-q9302020_htm.xml XML 6642875
Mailing Address 23 SOUTH MAIN STREET SUITE 3B HANOVER NH 03755
Business Address 23 SOUTH MAIN STREET SUITE 3B HANOVER NH 03755 603 640 2200
WHITE MOUNTAINS INSURANCE GROUP LTD (Filer) CIK: 0000776867 (see all company filings)

IRS No.: 942708455 | State of Incorp.: D0 | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-08993 | Film No.: 201292616
SIC: 6331 Fire, Marine & Casualty Insurance