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Equity · Financial Services

WTM

White Mountains Insurance Group, Ltd. · NYSE

$2,213.00 +0.82% 1D Finazon · prior-day close · Jul 17, 2026
Price · Chart Chart by TradingView

The chart above plots the price of WTM over the range selected — one day to the full history — drawn by TradingView from their own data. Our own licensed end-of-day series holds 54 sessions over that window: $2,167.00 on 4 May 2026 through $2,213.00 on 17 July 2026. Finazon · prior-day close.

Market cap $5.5B
P/E (TTM) 23.9
52-week range $1,500.00 – $2,321.00
Avg volume 4.9K

Finazon · prior-day close · valuation computed from SEC EDGAR filings · as of Jul 29, 2026

WTM insider trades

SEC Form 4 · last 90 days · newest reported trade 21 May 2026
Open-market buys 0
Open-market sells 0
Non-trade filings 9
Compensation mechanics (9 filings)

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
21 May 2026 CAMPBELL REID TARLTON Director Award 135
21 May 2026 CHOKSI MARY C Director Award 135
21 May 2026 Carlson Peter M Director Award 135
21 May 2026 Chu John Director Award 135
21 May 2026 Dillon Margaret Director Award 135
21 May 2026 Gelston Philip A Director Award 135
21 May 2026 Hicks Weston M Director Award 190
21 May 2026 SHANK SUZANNE F. Director Award 135
21 May 2026 Tanner David Allen Director Award 135

WTM reported financials

SEC EDGAR XBRL

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 $13.2B 31 Mar 2026 at period end
Total equity $5.4B 31 Mar 2026 at period end

Source: SEC EDGAR XBRL company facts · latest period ended 31 Mar 2026

WTM earnings

SEC EDGAR
Date Period EPS Revenue
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

Reported figures & scheduled dates · SEC EDGAR filings

WTM institutional holders

SEC Form 13F

7 of the 45 institutional funds we track reported a WTM position for the quarter ended 31 Mar 2026 — a combined $58.3M; the latest of those filings landed 15 May 2026.

Fund Action Shares Value
D. E. Shaw & Co. Held (±25%) +3.7% shares 8,910 $19.6M
AQR Capital Management Added +72.9% shares 7,738 $17.0M
Marshall Wace Added +253.2% shares 3,878 $8.5M
Renaissance Technologies Added +74.0% shares 2,611 $5.7M
Citadel Advisors Added +118.2% shares 2,603 $5.7M
Bridgewater Associates New position 414 $910K
Millennium Management Trimmed −54.8% shares 387 $850K

Source: SEC EDGAR 13F filings

WTM fails-to-deliver

SEC CNS data

On 30 Jun 2026, 577 shares of WTM failed to deliver (about $1.2M) — the latest of 2 consecutive trading days with recorded fails.

Settlement date Shares failed Notional % of shares out
30 Jun 2026 577 $1.2M 0.023%
29 Jun 2026 48 $101K 0.002%

Source: SEC fails-to-deliver (CNS) data