Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000776867-23-000006
Filing Date
2023-05-09
Accepted
2023-05-09 08:16:09
Documents
112
Period of Report
2023-03-31

Document Format Files

Seq Description Document Type Size
1 10-Q wtm-20230331.htm   iXBRL 10-Q 3940618
2 EX-31.1 wtmq12023ex311.htm EX-31.1 9085
3 EX-31.2 wtmq12023ex312.htm EX-31.2 9148
4 EX-32.1 wtmq12023ex321.htm EX-32.1 6427
5 EX-32.2 wtmq12023ex322.htm EX-32.2 6389
  Complete submission text file 0000776867-23-000006.txt   17986412

Data Files

Seq Description Document Type Size
6 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT wtm-20230331.xsd EX-101.SCH 111960
7 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT wtm-20230331_cal.xml EX-101.CAL 118345
8 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT wtm-20230331_def.xml EX-101.DEF 783628
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT wtm-20230331_lab.xml EX-101.LAB 1107791
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT wtm-20230331_pre.xml EX-101.PRE 907359
106 EXTRACTED XBRL INSTANCE DOCUMENT wtm-20230331_htm.xml XML 3933003
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.: 23900093
SIC: 6331 Fire, Marine & Casualty Insurance