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WHITE MOUNTAINS INSURANCE GROUP LTD
WTM - CIK 0000776867
Market cap$5.00 B
Rank#1384
SEC filings1,719
Market capitalization of WHITE MOUNTAINS INSURANCE GROUP LTD
As of 2026-06-11, WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) has a market capitalization of $5.00 B, making it the #1384 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-11 | $5.00 B |
| 2026-06-10 | $5.00 B |
| 2026-05-29 | $5.06 B |
| 2026-05-28 | $5.14 B |
| 2026-05-26 | $5.28 B |
| 2026-05-25 | $5.25 B |
| 2026-05-24 | $5.25 B |
| 2026-05-22 | $5.25 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
Market Cap of similar companies
Frequently asked questions
What is WHITE MOUNTAINS INSURANCE GROUP LTD's market cap?
As of 2026-06-11, WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) has a market capitalization of $5.00 B, making it the #1384 most valuable US-listed company.
Where does WHITE MOUNTAINS INSURANCE GROUP LTD rank by market cap?
WHITE MOUNTAINS INSURANCE GROUP LTD is the #1384 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.