Schedule 13G ownership disclosure

WHITE MOUNTAINS INSURANCE GROUP LTD

Common Stock · CUSIP: G9618E107

Event date: 2025-09-30

Filing-level shares
132,638
Percent of class
5.2%
  • Morgan Stanley

    Shares: 132,638 · Class: 5.2%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0000895421-25-000548
Form type
SCHEDULE 13G/A
Filer
MORGAN STANLEY
CIK
CIK 895421
Filed
Nov 07, 2025
Reporting period
Sep 30, 2025
Description
Schedule 13G beneficial ownership

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