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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000776867-18-000023
Filing Date
2018-11-05
Accepted
2018-11-05 08:57:26
Documents
100
Period of Report
2018-09-30

Document Format Files

Seq Description Document Type Size
1 10-Q wtm10-q93018.htm 10-Q 3671810
2 EXHIBIT 31.1 wtm10-q93018ex311.htm EX-31.1 10856
3 EXHIBIT 31.2 wtm10-q93018ex312.htm EX-31.2 10853
4 EXHIBIT 32.1 wtm10-q93018ex321.htm EX-32.1 7080
5 EXHIBIT 32.2 wtm10-q93018ex322.htm EX-32.2 7162
  Complete submission text file 0000776867-18-000023.txt   20572791

Data Files

Seq Description Document Type Size
6 XBRL INSTANCE DOCUMENT wtm-20180930.xml EX-101.INS 6089419
7 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT wtm-20180930.xsd EX-101.SCH 98172
8 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT wtm-20180930_cal.xml EX-101.CAL 113362
9 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT wtm-20180930_def.xml EX-101.DEF 773543
10 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT wtm-20180930_lab.xml EX-101.LAB 1091062
11 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT wtm-20180930_pre.xml EX-101.PRE 869982
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-Q | Act: 34 | File No.: 001-08993 | Film No.: 181158916
SIC: 6331 Fire, Marine & Casualty Insurance
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