Form 13F-HR - Quarterly report filed by institutional managers, Holdings:
SEC Accession No. 0001104659-25-076169
Filing Date
2025-08-11
Accepted
2025-08-11 16:19:45
Documents
2
Period of Report
2025-06-30
Effectiveness Date
2025-08-11

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 13F-HR  
1 primary_doc.xml 13F-HR 2132
2 infotable.html INFORMATION TABLE  
2 infotable.xml INFORMATION TABLE 852
  Complete submission text file 0001104659-25-076169.txt   4633
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: 13F-HR | Act: 34 | File No.: 028-01681 | Film No.: 251202289
SIC: 6331 Fire, Marine & Casualty Insurance
(CF Office: 02 Finance)