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WTM
NYSE
White Mountains Insurance Group, Ltd.
$2,213
+0.82% vs prior close
Finazon · prior-day close, indicative (IEX-derived, not the official close) · Jul 17, 2026
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Price · Chart
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Market cap
$5.3B
52-week range
$1,649 – $2,321
Avg volume
5.1K
as of Jul 17, 2026
About White Mountains Insurance Group, Ltd.
White Mountains Insurance Group, Ltd. is a Bermuda-based holding company whose principal businesses operate through subsidiaries in the insurance, financial services, and related sectors. As of December 31, 2025, its main business areas are property and casualty insurance and reinsurance (through Ark Insurance Holdings Limited and Outrigger Re Ltd.), municipal bond guarantee reinsurance (through HG Global Ltd. and HG Re Ltd.), capital solutions for asset and wealth management firms (through Kudu Investment Management, LLC), and specialty insurance distribution (through WM Phoenix Parent, L.P. d/b/a Distinguished Programs).
Company
Exchange
NYSE
Sector
Financial Services
Class
Equity
Insiders Form 4
Filings 4 sets
WTM insider trades
SEC Form 4 · last 90 days · newest Form 4 filing 31 Aug 2026
Open-market buys
0
Open-market sells
0
Non-trade filings
2
Compensation mechanics
Share grants, option exercises, tax withholding and transfers. They reach the same Form 4 as a trade, but they are not the insider buying or selling on the open market, so no purchase or sale value applies to them.
Date
Insider
Type
Shares
Value
31 Aug 2026
Tanner David Allen
Director
Gift
2
26 Aug 2026
Klar Stephen
Director
Award
113
WTM reported financials
SEC EDGAR XBRL
SEC EDGAR
WTM reported revenue of $3.7B for the fiscal year ended 31 Dec 2025. Net income over the same period was $1.1B.
Figure
Reported
Period
Revenue
$3.7B
31 Dec 2025
fiscal year
Net income
$1.1B
31 Dec 2025
fiscal year
Diluted EPS
$430.14
31 Dec 2025
fiscal year
Total assets
$13.8B
30 Jun 2026
at period end
Total equity
$5.4B
30 Jun 2026
at period end
WTM earnings
SEC EDGAR
Date
Period
EPS
Revenue
30 Jun 2026
Q2 2026
$80.58
$845M
31 Mar 2026
Q1 2026
−$12.59
$518M
31 Dec 2025
FY 2025
$430.14
$3.74B
30 Sep 2025
Q3 2025
$44.18
$864M
30 Jun 2025
Q2 2025
$47.75
$689M
31 Mar 2025
Q1 2025
$13.19
$578M
31 Dec 2024
FY 2024
$89.79
$2.24B
30 Sep 2024
Q3 2024
$69.68
$839M
Next report no date announced in SEC filings yet
Reported figures & scheduled dates · SEC EDGAR filings
4 of the 45 institutional funds we track reported a WTM position for the quarter ended 30 Jun 2026 — a combined $40.1M; the latest of those filings landed 02 Sep 2026.
The most recent congressional trade disclosed in WTM is a purchase by J. French Hill (house, AR), dated 23 Jun 2025.
Date
Member
Type
Amount
23 Jun 2025
filed 24 Jul 2025
J. French Hill
house · Republican–AR
Purchase
$50K–$100K
Sources
Finazon prior-day close, indicative (IEX-derived, not the official close)
TradingView the price chart widget, drawn by TradingView from their own data
SEC EDGAR SEC EDGAR XBRL company facts · latest period ended 30 Jun 2026
SEC EDGAR SEC EDGAR 13F filings
House disclosures U.S. House of Representatives financial disclosures
SEC EDGAR Valuation computed from SEC EDGAR filings