Form 8-K - Current report:
SEC Accession No. 0000776867-21-000001
Filing Date
2021-01-04
Accepted
2021-01-04 08:32:22
Documents
14
Period of Report
2021-01-01
Items
Item 2.01: Completion of Acquisition or Disposition of Assets

Document Format Files

Seq Description Document Type Size
1 8-K wtm-20210101.htm   iXBRL 8-K 40340
  Complete submission text file 0000776867-21-000001.txt   186660

Data Files

Seq Description Document Type Size
2 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT wtm-20210101.xsd EX-101.SCH 2508
3 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT wtm-20210101_cal.xml EX-101.CAL 790
4 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT wtm-20210101_def.xml EX-101.DEF 1746
5 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT wtm-20210101_lab.xml EX-101.LAB 23970
6 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT wtm-20210101_pre.xml EX-101.PRE 12726
7 EXTRACTED XBRL INSTANCE DOCUMENT wtm-20210101_htm.xml XML 15080
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: 8-K | Act: 34 | File No.: 001-08993 | Film No.: 21500269
SIC: 6331 Fire, Marine & Casualty Insurance