White Mountains Insurance Group (WTM) Stock Price, News & Analysis

Company Overview

White Mountains Insurance Group Ltd. is a Bermuda‐based insurance holding company that specializes in property and casualty insurance, reinsurance, and run‐off management. Since its founding in 1986, the company has built a diversified platform of underwriting operations and investment activities. White Mountains pursues niche and specialty opportunities across global insurance markets, leveraging disciplined risk selection and capital management to deliver tailored solutions for cedents and policyholders alike.

The company’s core operating businesses include White Mountains Re, which provides customized treaty and facultative reinsurance solutions, and Sirius Group, a multiline insurance platform offering property, casualty, and specialty coverages. In addition, White Mountains manages run‐off portfolios through dedicated entities that acquire and resolve legacy liabilities. Its investment arm oversees a portfolio of public and private assets, ranging from fixed income and equities to alternative investments, supporting the long‐term funding of its underwriting businesses.

White Mountains serves clients across North America, Europe, and Asia-Pacific, adapting its product offerings to local regulatory regimes and market dynamics. Its global footprint allows the company to balance regional exposures and to capitalize on dislocations in specialty lines and reinsurance capacity. The firm maintains strategic relationships with brokers and cedents, emphasizing transparency, service quality, and financial strength in its solutions.

Under the leadership of Chairman and Chief Executive Officer Rodney O. Martin Jr., White Mountains has grown through a combination of strategic acquisitions, capital partnerships, and operational innovation. The executive team brings extensive experience in insurance, underwriting, investment management, and financial risk oversight. Over its history, the company has completed multiple spin‐offs and portfolio transactions to refine its focus on high‐return, low‐correlation insurance activities, positioning it for sustained long‐term performance in dynamic markets.

Key Stats

• Today's Range: $1,787.00 to $1,801.74
• 50-Day Range: $1,746.92 to $1,838.11
• 52-Week Range: $1,666.22 to $2,023.00
• Volume: 22,480 shs
• Average Volume: 14,646 shs
• Market Capitalization: $4.62 billion
• P/E Ratio: 165.75
• Dividend Yield: 0.06%
• Price Target: N/A
• Consensus Rating: N/A

White Mountains Insurance Group Stock Analysis - MarketRank™

White Mountains Insurance Group scored higher than 44% of companies evaluated by MarketBeat, and ranked 650th out of 936 stocks in the finance sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation.

Analyst's Opinion

• Score: N/A
• Analyst Rating: N/A

Consensus Rating

There is not enough analysis data for White Mountains Insurance Group.

Earnings and Valuation

• Score: 0.6 / 5
• Proj. Earnings Growth: N/A

Price to Earnings Ratio vs. the Market

The P/E ratio of White Mountains Insurance Group is 165.75, which means that it is trading at a more expensive P/E ratio than the market average P/E ratio of about 25.91.

Price to Earnings Ratio vs. Sector

The P/E ratio of White Mountains Insurance Group is 165.75, which means that it is trading at a more expensive P/E ratio than the Finance sector average P/E ratio of about 20.04.

Price to Book Value per Share Ratio

White Mountains Insurance Group has a P/B Ratio of 0.90. P/B Ratios below 1 indicate that a company could be undervalued with respect to its assets and liabilities.

Short Interest

• Score: 5.0 / 5
• Short Interest Level: Healthy

Percentage of Shares Shorted

1.35% of the float of White Mountains Insurance Group has been sold short.

Short Interest Ratio / Days to Cover

White Mountains Insurance Group has a short interest ratio ("days to cover") of 0.4, which is generally considered an acceptable ratio of short interest to trading volume.

Change versus previous month

Short interest in White Mountains Insurance Group has recently decreased by 37.36%, indicating that investor sentiment is improving significantly.

Dividend

• Score: 0.8 / 5
• Dividend Strength: Weak

Dividend Yield

White Mountains Insurance Group has a dividend yield of 0.06%, which is in the bottom 25% of all stocks that pay dividends.

Dividend Growth

White Mountains Insurance Group does not have a long track record of dividend growth.

Dividend Coverage

The dividend payout ratio of White Mountains Insurance Group is 9.22%. This payout ratio is at a healthy, sustainable level, below 75%.

Sustainability and ESG

• Score: 2.7 / 5
• Environmental Score: -0.43

Percentage of Shares Shorted

1.35% of the float of White Mountains Insurance Group has been sold short.

Short Interest Ratio / Days to Cover

White Mountains Insurance Group has a short interest ratio ("days to cover") of 0.4, which is generally considered an acceptable ratio of short interest to trading volume.

Change versus previous month

Short interest in White Mountains Insurance Group has recently decreased by 37.36%, indicating that investor sentiment is improving significantly.

News and Social Media

• Score: 2.4 / 5
• News Sentiment: 0.34

News Sentiment

White Mountains Insurance Group has a news sentiment score of 0.34. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a lower news sentiment than the 0.95 average news sentiment score of Finance companies.

News Coverage This Week

MarketBeat has tracked 6 news articles for White Mountains Insurance Group this week, compared to 4 articles on an average week.

Search Interest

1 people have searched for WTM on MarketBeat in the last 30 days.

Company Ownership

• Score: 1.7 / 5
• Insider Trading: N/A

Insider Buying vs. Insider Selling

In the past three months, White Mountains Insurance Group insiders have not sold or bought any company stock.

Percentage Held by Insiders

Only 3.20% of the stock of White Mountains Insurance Group is held by insiders.

Percentage Held by Institutions

88.65% of the stock of White Mountains Insurance Group is held by institutions. High institutional ownership can be a signal of strong market trust in this company.

WTM Stock Analysis - Frequently Asked Questions

How have WTM shares performed this year?

White Mountains Insurance Group's stock was trading at $1,945.06 at the beginning of 2025. Since then, WTM shares have decreased by 7.5% and is now trading at $1,798.3390.

How were White Mountains Insurance Group's earnings last quarter?

White Mountains Insurance Group, Ltd. (NYSE:WTM) posted its quarterly earnings results on Wednesday, May, 7th. The insurance provider reported ($20.50) earnings per share for the quarter, missing the consensus estimate of ($14.00) by $6.50. The insurance provider had revenue of $472.20 million for the quarter. White Mountains Insurance Group had a trailing twelve-month return on equity of 5.01% and a net margin of 1.29%.

Who are White Mountains Insurance Group's major shareholders?

Top institutional investors of White Mountains Insurance Group include Reinhart Partners LLC. (1.62%), Harbor Capital Advisors Inc. (0.12%), Farther Finance Advisors LLC (0.02%) and Wealth Enhancement Advisory Services LLC (0.01%). Insiders that own company stock include Mountains Insurance Grou White, Weston M Hicks, Michaela Hildreth and Peter M Carlson.
View institutional ownership trends.

How do I buy shares of White Mountains Insurance Group?

Shares of WTM stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services.

What other stocks do shareholders of White Mountains Insurance Group own?

Based on aggregate information from My MarketBeat watchlists, some other companies that White Mountains Insurance Group investors own include JPMorgan Chase & Co. (JPM), Visa (V), Meta Platforms (META), Tesla (TSLA), Advanced Micro Devices (AMD), Alphabet (GOOG) and Netflix (NFLX).

Company Calendar

• Last Earnings: 5/07/2025
• Today: 7/12/2025
• Next Earnings (Estimated): 8/06/2025
• Fiscal Year End: 12/31/2025

Industry, Sector and Symbol

• Stock Exchange: NYSE
• Sector: Finance
• Industry: INS - PROP&CASLTY
• Sub-Industry: Property & Casualty Insurance
• Current Symbol: NYSE:WTM
• CIK: 776867
• Web: www.whitemountains.com
• Phone: (603) 640-2200
• Fax: 441-278-3170
• Employees: 1,650
• Year Founded: 1980

Profitability

• EPS (Trailing Twelve Months): $10.85
• Trailing P/E Ratio: 165.75
• Forward P/E Ratio: N/A
• P/E Growth: N/A
• Net Income: $230.40 million
• Net Margins: 1.29%
• Pretax Margin: 7.21%
• Return on Equity: 5.01%
• Return on Assets: 2.47%

Debt

• Debt-to-Equity Ratio: 0.13
• Current Ratio: 0.78
• Quick Ratio: 0.78

Sales & Book Value

• Annual Sales: $2.24 billion
• Price / Sales: 2.06
• Cash Flow: $36.72 per share
• Price / Cash Flow: 48.97
• Book Value: $1,997.94 per share
• Price / Book: 0.90

Miscellaneous

• Outstanding Shares: 2,570,000
• Free Float: 2,492,000
• Market Cap: $4.62 billion
• Optionable: Not Optionable
• Beta: 0.36