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)