Shares outstanding · 2011–2025
White Mountains Insurance shares outstanding
2.5M−3.4% · FY2025
White Mountains Insurance (WTM) reported 2.5M in shares outstanding for fiscal 2025, −3.4% year on year.
| Fiscal year | Shares outstanding | Change | Filing |
|---|---|---|---|
| FY20252025-12-31 | 2.5M | −3.4% | Open → |
| FY20242024-12-31 | 2.6M | +0.3% | Open → |
| FY20232023-12-31 | 2.6M | −0.5% | Open → |
| FY20222022-12-31 | 2.6M | −14.8% | Open → |
| FY20212021-12-31 | 3.0M | −2.7% | Open → |
| FY20202020-12-31 | 3.1M | −2.6% | Open → |
| FY20192019-12-31 | 3.2M | +0.4% | Open → |
| FY20182018-12-31 | 3.2M | −15.4% | Open → |
| FY20172017-12-31 | 3.8M | −17.8% | Open → |
| FY20162016-12-31 | 4.6M | −18.8% | Open → |
| FY20152015-12-31 | 5.6M | −6.1% | Open → |
| FY20142014-12-31 | 6.0M | −3.1% | Open → |
| FY20132013-12-31 | 6.2M | −1.8% | Open → |
| FY20122012-12-31 | 6.3M | −17.0% | Open → |
| FY20112011-12-31 | 7.6M | — | Open → |
Shares outstanding — Shares outstanding is the number of shares in issue at the reporting date. A falling count usually means the company is buying back stock; a rising one means it is issuing.
Every row links to its own SEC filing · Fiscal year 2025 · Data as of September 25, 2026 · 2011–2025 compound annual growth −7.7%
Shares outstanding at companies of similar size
Cite this page
Ready-made references for the figures on this page, as published on September 25, 2026.
Wikipedia
{{cite web |title=White Mountains Insurance shares outstanding |url=https://companiesranked.com/en/company/white-mountains-insurance/shares-outstanding |website=CompaniesRanked |date=2026-09-25 |language=en}}APA 7
CompaniesRanked. (September 25, 2026). White Mountains Insurance shares outstanding. CompaniesRanked. https://companiesranked.com/en/company/white-mountains-insurance/shares-outstandingBibTeX
@misc{companiesranked-en-company-white-mountains-insurance-shares-outstanding-2026,
author = {{CompaniesRanked}},
title = {{White Mountains Insurance shares outstanding}},
year = {2026},
howpublished = {\url{https://companiesranked.com/en/company/white-mountains-insurance/shares-outstanding}},
note = {Compiled from SEC EDGAR XBRL filings; data as of 2026-09-25},
urldate = {2026-09-25}
}The filing itself
The numbers above are read from this document: 10-Q · 0001628280-26-053932 · August 6, 2026
{{cite web |title=White Mountains Insurance shares outstanding — 10-Q (0001628280-26-053932) |url=https://www.sec.gov/Archives/edgar/data/776867/000162828026053932/wtm-20260630.htm |website=SEC EDGAR |publisher=U.S. Securities and Exchange Commission |date=2026-08-06}}The figures are rebuilt with every data refresh, so the reference carries the publication date. Add your own access date if your style requires one.