Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000776867-21-000021
Filing Date
2021-11-08
Accepted
2021-11-08 08:33:39
Documents
477
Period of Report
2021-09-30

Document Format Files

Seq Description Document Type Size
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  Complete submission text file 0000776867-21-000021.txt   130170279

Data Files

Seq Description Document Type Size
10 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT wtm-20210930.xsd EX-101.SCH 127114
11 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT wtm-20210930_cal.xml EX-101.CAL 133074
12 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT wtm-20210930_def.xml EX-101.DEF 846319
13 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT wtm-20210930_lab.xml EX-101.LAB 1231519
14 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT wtm-20210930_pre.xml EX-101.PRE 1009493
365 EXTRACTED XBRL INSTANCE DOCUMENT wtm-20210930_htm.xml XML 6050537
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)

EIN.: 942708455 | State of Incorp.: D0 | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-08993 | Film No.: 211386642
SIC: 6331 Fire, Marine & Casualty Insurance