# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000776867-24-000019
Filing Date
2024-11-06
Accepted
2024-11-06 08:17:35
Documents
109
Period of Report
2024-09-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | wtm-20240930.htm iXBRL | 10-Q | 4434874
2 | EX-31.1 | wtmq32024ex311.htm | EX-31.1 | 9114
3 | EX-31.2 | wtmq32024ex312.htm | EX-31.2 | 9208
4 | EX-32.1 | wtmq32024ex321.htm | EX-32.1 | 6335
5 | EX-32.2 | wtmq32024ex322.htm | EX-32.2 | 6271
| Complete submission text file | 0000776867-24-000019.txt |  | 20222872

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | wtm-20240930.xsd | EX-101.SCH | 119690
7 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | wtm-20240930_cal.xml | EX-101.CAL | 136781
8 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | wtm-20240930_def.xml | EX-101.DEF | 787162
9 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | wtm-20240930_lab.xml | EX-101.LAB | 1061068
10 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | wtm-20240930_pre.xml | EX-101.PRE | 924321
111 | EXTRACTED XBRL INSTANCE DOCUMENT | wtm-20240930_htm.xml | XML | 4339555

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.: 241429334
SIC: 6331 Fire, Marine & Casualty Insurance
(CF Office: 02 Finance)