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White Mountains Insurance Group, Ltd. logo

NYSE · WTM

White Mountains Insurance Group, Ltd.

Financial Services · Insurance - Property & Casualty

$2,269.99

Up+$24.53 (+1.09%)

Updated Nov 1, 2026, 9:13 AM

SID Score

4.6/10

Composite research score

Smart Money

58/100

Neutral

Market cap
5.2B
P/E ratio
209.63
Dividend yield
0.04%
52-week range
$1,987.00 – $2,333.00
Volume
20.56K
Avg. volume
27.97K

Price performance · WTM

WTM price history

1M range · 20 trading sessions · Daily adjusted prices

Prices through Oct 30, 2026

WTM closed at $2,269.99 after 20 trading sessions, up 12.41% for the selected period.

Last close
$2,269.99
Period change
+12.41%
Period low
$2,019.44
Period high
$2,269.99
Daily close
View OHLC price history
WTM OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Oct 30, 2026$2,256.44$2,274.72$2,241.20$2,269.9920.56K
Oct 29, 2026$2,240.00$2,258.50$2,234.50$2,245.4624.75K
Oct 28, 2026$2,212.00$2,227.27$2,195.50$2,208.5821.03K
Oct 27, 2026$2,218.22$2,227.00$2,196.682$2,212.2020.78K
Oct 26, 2026$2,228.06$2,239.36$2,150.00$2,227.3418.77K
Oct 23, 2026$2,236.73$2,247.22$2,218.21$2,225.2420.28K
Oct 22, 2026$2,220.10$2,252.415$2,200.3555$2,247.5222.87K
Oct 21, 2026$2,216.66$2,224.78$2,162.00$2,209.9529.7K
Oct 20, 2026$2,179.00$2,236.12$2,179.00$2,213.6127.85K
Oct 19, 2026$2,147.10$2,177.63$2,147.10$2,167.1216.99K
Oct 16, 2026$2,146.23$2,172.0399$2,137.925$2,160.3122.69K
Oct 15, 2026$2,124.97$2,152.25$2,109.00$2,143.7331.48K
Oct 14, 2026$2,100.30$2,106.608$2,069.25$2,098.0119.69K
Oct 13, 2026$2,100.63$2,101.495$2,079.035$2,093.1316.55K
Oct 12, 2026$2,069.07$2,098.45$2,064.96$2,086.7624.57K
Oct 9, 2026$2,059.07$2,066.6299$2,046.41$2,060.6320.16K
Oct 8, 2026$2,036.57$2,064.04$2,020.1075$2,059.7718.73K
Oct 7, 2026$2,064.01$2,064.01$2,029.36$2,031.5020.39K
Oct 6, 2026$2,015.64$2,038.78$2,008.99$2,037.2518.76K
Oct 5, 2026$2,031.81$2,046.0899$2,019.44$2,019.4420.35K

Latest WTM news

The latest Smart Investors Daily articles mentioning WTM.

WTM research

Overview

Company profile and research snapshot.

Company profile

White Mountains Insurance Group Ltd is engaged in the business of making opportunistic and value-oriented acquisitions of businesses and assets in the insurance, financial services, and related sectors, operating these businesses and assets through its subsidiaries and, if and when attractive exit valuations become available, disposing of these businesses and assets. The company conducts its business in five areas: property and casualty insurance and reinsurance, municipal bond reinsurance, capital solutions for asset and wealth management firms, property and casualty insurance distribution, and other operations.

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Analyst outlook

Consensus and target data currently published for this company.

Consensus
Sell
Average target
—
Implied upside
—
Analysts
8
Open full forecast

News briefing

No generated briefing is available yet.

Yahoo · Oct 18, 2026

White Mountains Insurance Group (WTM) Stock May Be 40% Below Fair Value As Excess Returns Hold

White Mountains Insurance Group has rewarded long term holders, so the question now is whether the current share price is properly supported by the returns the business earns on its capital. For anyone looking at the stock today, the central issue is how those underlying returns stack up against the industry average. Over the past 5 years, White Mountains Insurance Group has delivered a 96.7% share price gain, which puts real weight on whether the underlying return on capital justifies that...

Yahoo · Oct 16, 2026

How Efficiency and AI Support White Mountains Insurance Group, Ltd.’s (WTM) Revaluation Thesis

Harris Oakmark recently released its third-quarter 2026 investor letter for its “Oakmark Global Select Fund”. It is a non-diversified fund that focuses on long-term capital appreciation by investing in common stocks of U.S. and non-U.S. companies. The letter can be downloaded here. The Fund (Investor Class) returned 5.14% for the quarter, surpassing the MSCI World […]

Yahoo · Sep 14, 2026

Bamboo Insurance Announces Launch of Initial Public Offering

Bamboo Insurance Services, Inc. ("Bamboo Insurance"), a technology-enabled, underwriting-first, and capital-light managing general underwriter focused on homeowners' coverage, today announced that it has launched the roadshow for its proposed initial public offering of 35,000,000 shares of its Class A common stock. The offering consists entirely of secondary shares to be sold by entities affiliated with CVC Capital Partners and White Mountains Insurance Group, Ltd. (together, the "selling stockh

AI research layers

Interpretive context generated from the platform’s current data sources.

No results

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