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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000776867-20-000009
Filing Date
2020-03-02
Accepted
2020-03-02 09:10:25
Documents
149
Period of Report
2019-12-31

Document Format Files

Seq Description Document Type Size
1 10-K wtm10-k2019.htm   iXBRL 10-K 7678868
2 EXHIBIT 4 wtm10-k2019ex4.htm EX-4 16691
3 EXHIBIT 21 wtm10-k2019ex21.htm EX-21 29871
4 EXHIBIT 23 wtm10-k2019ex23.htm EX-23 3065
5 EXHIBIT 24 wtm10-k2019ex24.htm EX-24 27687
6 EXHIBIT 31.1 wtm10-k2019ex311.htm EX-31.1 11219
7 EXHIBIT 31.2 wtm10-k2019ex312.htm EX-31.2 10749
8 EXHIBIT 32.1 wtm10-k2019ex321.htm EX-32.1 6820
9 EXHIBIT 32.2 wtm10-k2019ex322.htm EX-32.2 7120
15 chart-7dc4d94e4b305030940.jpg GRAPHIC 60659
  Complete submission text file 0000776867-20-000009.txt   33697272

Data Files

Seq Description Document Type Size
10 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT wtm-20191231.xsd EX-101.SCH 149666
11 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT wtm-20191231_cal.xml EX-101.CAL 171266
12 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT wtm-20191231_def.xml EX-101.DEF 1180506
13 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT wtm-20191231_lab.xml EX-101.LAB 1685143
14 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT wtm-20191231_pre.xml EX-101.PRE 1394980
48 EXTRACTED XBRL INSTANCE DOCUMENT wtm10-k2019_htm.xml XML 8096425
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)

IRS No.: 942708455 | State of Incorp.: D0 | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-08993 | Film No.: 20674463
SIC: 6331 Fire, Marine & Casualty Insurance