# Filing Detail

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