8-K//Current report
WHITE MOUNTAINS INSURANCE GROUP LTD 8-K
Accession 0001628280-25-044062
$WTMCIK 0000776867operating
Filed
Oct 2, 8:00 PM ET
Accepted
Oct 3, 4:20 PM ET
Size
46.5 MB
Accession
0001628280-25-044062
Documents
- 8-Kwtm-20251002.htmPrimary
8-K
- EX-2.1wtmexhibit21.htm
EX-2.1
- EX-99.1wtmexhibit991.htm
EX-99.1
- EX-101.SCHwtm-20251002.xsd
XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
- EX-101.LABwtm-20251002_lab.xml
XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
- EX-101.PREwtm-20251002_pre.xml
XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
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- GRAPHICwtmexhibit21120.jpg
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- XMLR1.htm
IDEA: XBRL DOCUMENT
- XMLShow.js
IDEA: XBRL DOCUMENT
- XMLreport.css
IDEA: XBRL DOCUMENT
- XMLFilingSummary.xml
IDEA: XBRL DOCUMENT
- JSONMetaLinks.json
IDEA: XBRL DOCUMENT
- ZIP0001628280-25-044062-xbrl.zip
IDEA: XBRL DOCUMENT
- XMLwtm-20251002_htm.xml
IDEA: XBRL DOCUMENT
Issuer
WHITE MOUNTAINS INSURANCE GROUP LTD
CIK 0000776867
Entity typeoperating
IncorporatedBermuda
Related Parties
1- filerCIK 0000776867
Filing Metadata
- Form type
- 8-K
- Filed
- Oct 2, 8:00 PM ET
- Accepted
- Oct 3, 4:20 PM ET
- Size
- 46.5 MB