# Filing Detail

Form ARS - Annual Report to Security Holders:
SEC Accession No. 0001104659-25-031128
Filing Date
2025-04-02
Accepted
2025-04-02 16:05:13
Documents
1
Period of Report
2024-12-31
Effectiveness Date
2025-04-02

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | ARS | tm254284d2_ars.pdf | ARS | 1817090
| Complete submission text file | 0001104659-25-031128.txt |  | 2504404

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: ARS | Act: 34 | File No.: 001-08993 | Film No.: 25804302
SIC: 6331 Fire, Marine & Casualty Insurance
(CF Office: 02 Finance)