White Mountains Insurance Group (WTM) Stock Overview
Through its subsidiaries, engages in the provision of insurance and other financial services in the United States. More details
| Snowflake Score | |
|---|---|
| Valuation | 0/6 |
| Future Growth | 0/6 |
| Past Performance | 0/6 |
| Financial Health | 5/6 |
| Dividends | 0/6 |
WTM Community Fair Values
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White Mountains Insurance Group, Ltd. Competitors
Price History & Performance
| Historical stock prices | |
|---|---|
| Current Share Price | US$2,034.79 |
| 52 Week High | US$2,050.90 |
| 52 Week Low | US$1,648.00 |
| Beta | 0.36 |
| 1 Month Change | 6.62% |
| 3 Month Change | 15.14% |
| 1 Year Change | 2.36% |
| 3 Year Change | 56.00% |
| 5 Year Change | 106.91% |
| Change since IPO | 7,232.58% |
Recent News & Updates
Recent updates
White Mountains Insurance: Not Much To Be Excited About
Sep 03We Take A Look At Why White Mountains Insurance Group, Ltd.'s (NYSE:WTM) CEO Has Earned Their Pay Packet
May 15
White Mountains: With Two Catalysts, I Am Upgrading It To A Buy
Apr 14White Mountains Insurance
Mar 30White Mountains: A High-Quality Insurer At A Fair Price
Mar 13Here's Why We Think White Mountains Insurance Group (NYSE:WTM) Might Deserve Your Attention Today
Dec 22White Mountains: Under-The-Radar Value Builder
Sep 19White Mountains Insurance: Sum Of The Parts Points To Potential Upside
Mar 25White Mountains Insurance declares $1.00 dividend
Feb 24Insurtech startup Pie Insurance gets backing from Centerbridge, Allianz, others
Sep 21White Mountains Insurance commences $500M cash tender offer
Aug 22Shareholder Returns
| WTM | US Insurance | US Market | |
|---|---|---|---|
| 7D | 0.5% | -2.0% | 0.5% |
| 1Y | 2.4% | -5.9% | 12.1% |
Return vs Industry: WTM exceeded the US Insurance industry which returned -5.9% over the past year.
Return vs Market: WTM underperformed the US Market which returned 12% over the past year.
Price Volatility
| WTM volatility | |
|---|---|
| WTM Average Weekly Movement | 4.5% |
| Insurance Industry Average Movement | 3.9% |
| Market Average Movement | 6.6% |
| 10% most volatile stocks in US Market | 17.3% |
| 10% least volatile stocks in US Market | 2.9% |
Stable Share Price: WTM has not had significant price volatility in the past 3 months compared to the US market.
Volatility Over Time: WTM's weekly volatility (4%) has been stable over the past year.
About the Company
| Founded | Employees | CEO | Website |
|---|---|---|---|
| 1980 | 893 | George Rountree | www.whitemountains.com |
White Mountains Insurance Group, Ltd., through its subsidiaries, engages in the provision of insurance and other financial services in the United States. It operates through four segments: Ark/WM Outrigger, HG Global, Kudu, and Bamboo. The Ark/WM Outrigger segment offers insurance and reinsurance products, including property, specialty, marine and energy, casualty, and accident and health.
White Mountains Insurance Group, Ltd. Fundamentals Summary
| WTM fundamental statistics | |
|---|---|
| Market cap | US$5.11b |
| Earnings (TTM) | US$138.50m |
| Revenue (TTM) | US$2.49b |
Is WTM overvalued?
See Fair Value and valuation analysisEarnings & Revenue
| WTM income statement (TTM) | |
|---|---|
| Revenue | US$2.49b |
| Cost of Revenue | US$1.38b |
| Gross Profit | US$1.11b |
| Other Expenses | US$970.30m |
| Earnings | US$138.50m |
Last Reported Earnings
Sep 30, 2025
Next Earnings Date
n/a
| Earnings per share (EPS) | 55.16 |
| Gross Margin | 44.54% |
| Net Profit Margin | 5.56% |
| Debt/Equity Ratio | 13.4% |
How did WTM perform over the long term?
See historical performance and comparisonDividends
Company Analysis and Financial Data Status
| Data | Last Updated (UTC time) |
|---|---|
| Company Analysis | 2025/12/07 03:02 |
| End of Day Share Price | 2025/12/05 00:00 |
| Earnings | 2025/09/30 |
| Annual Earnings | 2024/12/31 |
Data Sources
The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.
| Package | Data | Timeframe | Example US Source * |
|---|---|---|---|
| Company Financials | 10 years |
| |
| Analyst Consensus Estimates | +3 years |
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| Market Prices | 30 years |
| |
| Ownership | 10 years |
| |
| Management | 10 years |
| |
| Key Developments | 10 years |
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* Example for US securities, for non-US equivalent regulatory forms and sources are used.
Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.
Analysis Model and Snowflake
Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.
Learn about the world class team who designed and built the Simply Wall St analysis model.
Industry and Sector Metrics
Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.
Analyst Sources
White Mountains Insurance Group, Ltd. is covered by 3 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.
| Analyst | Institution |
|---|---|
| Robert Glasspiegel | Janney Montgomery Scott LLC |
| Daniel Schlemmer | Macquarie Research |
| Jim Ryan | Morningstar Inc. |