WHITE MOUNTAINS INSURANCE GROUP LTD

WTM - Company ID 0000776867

Market cap$5.41 B

Rank#1360

Filings1,716

WHITE MOUNTAINS INSURANCE GROUP LTD has filed 1,716 public company documents between 1994 and 2026. The most frequent type is insider trade (634 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.

Continue researchWTM overview$5.41 BMarket cap, financials, charts, and latest company context.

Continue researchMarket cap historyRank #1360See the market value trend behind the filing history.

Continue researchRevenue trendAnnual historyMove from documents into filing-backed operating results.

Continue researchCompare with BRK-BPeer viewPut WTM beside BRK-B across market cap, revenue, income, and filings.

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Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.

Type	Filing	Filed	Period covered	Open
PRE 14A	PRE 14A	18y ago2008-03-21	2008-05-29	View filing
PRE 14A	PRE 14A	19y ago2007-03-19	2007-05-24	View filing
PRE 14A	PRE 14A	23y ago2003-03-27	2003-05-19	View filing
PRE 14A	PRE 14A	25y ago2001-06-25	2001-08-23	View filing
PRE 14A	PRE 14A	27y ago1999-03-02	1999-05-27	View filing

WHITE MOUNTAINS INSURANCE GROUP LTD

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