13F-HR | SEC Filings Hub

Filing metadata

Accession number: 0001104659-26-094905
Form type: 13F-HR
Filer: WHITE MOUNTAINS INSURANCE GROUP LTD
CIK: CIK 776867
Filed: Aug 12, 2026
Reporting period: Jun 30, 2026
Description: Institutional holdings

Documents

0001104659-26-094905-index.htm

Complete submission

0001104659-26-094905.txt

directory listing

Filed by

WHITE MOUNTAINS INSURANCE GROUP LTD