WTMQT76White Mountains Insurance Group, Ltd.·NYSE
2269.99+1.09%

Latest SEC Filings

Form category
DescriptionFilingDocument
Oct 30, 2026SC 13D/ABeneficial ownership statement (active, amended)
Aug 31, 20264Statement of changes in beneficial ownership
Aug 27, 20263Initial statement of beneficial ownership
Aug 27, 20268-KCurrent report
Aug 27, 20264Statement of changes in beneficial ownership
Aug 26, 2026N-PXAnnual report of proxy voting record
Aug 12, 202613F-HRInstitutional investment manager holdings report
Aug 06, 202610-QQuarterly report
Aug 06, 20268-KCurrent report
Jun 30, 202611-KAnnual report (employee benefit plans)
Jun 05, 20268-KCurrent report
May 22, 20264Statement of changes in beneficial ownership
May 22, 20264Statement of changes in beneficial ownership
May 22, 20263Initial statement of beneficial ownership
May 22, 20264Statement of changes in beneficial ownership
May 22, 20264Statement of changes in beneficial ownership
May 22, 20264Statement of changes in beneficial ownership
May 22, 20264Statement of changes in beneficial ownership
May 22, 20264Statement of changes in beneficial ownership
May 22, 20264Statement of changes in beneficial ownership
May 22, 20264Statement of changes in beneficial ownership
May 21, 20268-KCurrent report
May 15, 20268-KCurrent report
May 12, 202613F-HRInstitutional investment manager holdings report
May 07, 2026SC 13G/ABeneficial ownership statement (passive, amended)