WHITE MOUNTAINS INSURANCE GROUP LTD Logo

WHITE MOUNTAINS INSURANCE GROUP LTD

A holding company that acquires and manages insurance and financial services businesses.

WTM | US

Overview

Corporate Details

ISIN(s):
BMG9618E1075
LEI:
Country:
United States of America
Address:
23 SOUTH MAIN STREET, 3755 HANOVER
Industry:
Insurance

Description

White Mountains Insurance Group is a holding company that acquires and manages businesses and assets within the insurance and related financial services sectors. The company's strategy focuses on opportunistic, value-oriented acquisitions and patient, long-term investment. It utilizes a permanent capital base to provide enduring support and build partnerships with the owners and management teams of its portfolio companies. Through its subsidiaries, the company's operations include property and casualty insurance and reinsurance, municipal bond insurance, and providing capital solutions for asset and wealth management firms.

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Date Filing Language Size Actions
2025-11-26 16:25
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
English 6.7 KB
2025-11-13 14:28 English 7.4 KB
2025-11-10 21:30
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
English 6.7 KB
2025-11-07 17:48 English 9.0 KB
2025-11-06 15:07
10-Q
English 180.0 MB
2025-11-06 14:18
8-K
English 321.8 KB
2025-10-03 22:20
8-K
English 61.8 MB
2025-09-03 14:06
8-K
English 53.5 KB
2025-09-02 14:19
8-K
English 154.4 KB
2025-08-27 22:22 English 7.6 KB
2025-08-11 22:19 English 7.4 KB
2025-08-08 22:22 English 11.0 KB
2025-08-07 20:59 English 9.0 KB
2025-08-07 14:28
10-Q
English 142.7 MB
2025-08-07 14:03
8-K
English 307.1 KB

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Insider Transactions

Date Insider Name Position Type Shares Value
No insider transactions recorded for this company.

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