SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000776867-24-000010
Filing Date
2024-05-09
Accepted
2024-05-09 16:17:40
Documents
108
Period of Report
2024-03-31

Document Format Files

Seq Description Document Type Size
1 10-Q wtm-20240331.htm   iXBRL 10-Q 3351812
2 EX-31.1 wtmq12024ex311.htm EX-31.1 8983
3 EX-31.2 wtmq12024ex312.htm EX-31.2 9046
4 EX-32.1 wtmq12024ex321.htm EX-32.1 6325
5 EX-32.2 wtmq12024ex322.htm EX-32.2 6287
  Complete submission text file 0000776867-24-000010.txt   16919620

Data Files

Seq Description Document Type Size
6 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT wtm-20240331.xsd EX-101.SCH 118869
7 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT wtm-20240331_cal.xml EX-101.CAL 136185
8 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT wtm-20240331_def.xml EX-101.DEF 749275
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT wtm-20240331_lab.xml EX-101.LAB 1053580
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT wtm-20240331_pre.xml EX-101.PRE 891125
111 EXTRACTED XBRL INSTANCE DOCUMENT wtm-20240331_htm.xml XML 3382902
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)

IRS No.: 942708455 | State of Incorp.: D0 | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-08993 | Film No.: 24930954
SIC: 6331 Fire, Marine & Casualty Insurance
(CF Office: 02 Finance)