WTM (White Mountains Insurance Group) Debt-to-Equity: 0.16 (As of Mar. 2026) — 45% Above Median

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Director of Data and Quant Analytics at GuruFocus
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Founder & CEO of GuruFocus
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WTM White Mountains Insurance Group Ltd WTM
74 GF Score
Price $2,176.85
GF Value $2,380.57
Valuation Fairly Valued
! 3 Warning Signs
View Full Analysis

What is White Mountains Insurance Group Debt-to-Equity?

White Mountains Insurance Group WTM -0.25% 74 Debt-to-Equity is 0.16 as of Mar. 2026, which is 45% above its 10-year median of 0.11. GuruFocus rates WTM with a GF Score™ of 74/100 and a GF Value™ of $2,380.57 (Fairly Valued). The stock has 3 warning signs investors should review. Among 406 Insurance companies, White Mountains Insurance Group ranks better than 57.88% on this metric.

White Mountains Insurance Group's Short-Term Debt & Capital Lease Obligation for the quarter that ended in Mar. 2026 was $0 Mil. White Mountains Insurance Group's Long-Term Debt & Capital Lease Obligation for the quarter that ended in Mar. 2026 was $835 Mil. White Mountains Insurance Group's Total Stockholders Equity for the quarter that ended in Mar. 2026 was $5,374 Mil. White Mountains Insurance Group's debt to equity for the quarter that ended in Mar. 2026 was 0.16.

A high debt to equity ratio generally means that a company has been aggressive in financing its growth with debt. This can result in volatile earnings as a result of the additional interest expense.

The historical rank and industry rank for White Mountains Insurance Group's Debt-to-Equity or its related term are showing as below:

WTM' s Debt-to-Equity Range Over the Past 10 Years
Min: 0   Med: 0.11   Max: 0.2
Current: 0.16

During the past 13 years, the highest Debt-to-Equity Ratio of White Mountains Insurance Group was 0.20. The lowest was 0.00. And the median was 0.11.

WTM's Debt-to-Equity is ranked better than
57.88% of 406 companies
in the Insurance industry
Industry Median: 0.2 vs WTM: 0.16

White Mountains Insurance Group  (NYSE:WTM) Debt-to-Equity Explanation

In the calculation of Debt to Equity, we use the total of Short-Term Debt & Capital Lease Obligation and Long-Term Debt & Capital Lease Obligation divided by Total Stockholders Equity. In some calculations, Total Liabilities is used to for calculation.


Be Aware

Because a company can increase its ROE % by having more financial leverage, it is important to watch the leverage ratio when investing in high ROE % companies.


White Mountains Insurance Group Debt-to-Equity Related Terms


White Mountains Insurance Group Debt-to-Equity Historical Data

* Premium members only.

The historical data trend for White Mountains Insurance Group's Debt-to-Equity can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

White Mountains Insurance Group Debt-to-Equity Chart

White Mountains Insurance Group Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Debt-to-Equity
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.12 0.15 0.13 0.13 0.15

White Mountains Insurance Group Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Debt-to-Equity Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.15 0.13 0.16 0.15 0.16

WTM vs RLI, SIGI, LMND: Debt-to-Equity Comparison

For the Insurance - Property & Casualty subindustry, White Mountains Insurance Group's Debt-to-Equity, along with its competitors' market caps and Debt-to-Equity data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


White Mountains Insurance Group Debt-to-Equity vs Insurance Industry

For the Insurance industry and Financial Services sector, White Mountains Insurance Group's Debt-to-Equity distribution charts can be found below:

* The bar in red indicates where White Mountains Insurance Group's Debt-to-Equity falls into.


WTM
74GF Score
White Mountains Insurance Group Ltd WTM
Debt-to-Equity is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

White Mountains Insurance Group Debt-to-Equity Calculation

Debt to Equity measures the financial leverage a company has.

White Mountains Insurance Group's Debt to Equity Ratio for the fiscal year that ended in Dec. 2025 is calculated as

White Mountains Insurance Group's Debt to Equity Ratio for the quarter that ended in Mar. 2026 is calculated as

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Debt-to-Equity →
What does a Debt-to-Equity of 0.16 mean?
White Mountains Insurance Group (WTM) has a Debt-to-Equity of 0.16 as of Mar. 2026. Debt-to-Equity ratio represents the ratio of total debt to total company equity. View historical data on White Mountains Insurance Group and its competitors. This is 45% above median its historical median of 0.11. According to the industry distribution chart, White Mountains Insurance Group ranks #171 out of 406 companies in the Insurance industry, placing it in the top 42.1%.
Is White Mountains Insurance Group's Debt-to-Equity too high?
White Mountains Insurance Group's current Debt-to-Equity of 0.16 is 45% above median its 10-year median of 0.11. The Insurance industry median Debt-to-Equity is 0.20. White Mountains Insurance Group's value of 0.16 is 20% below this industry median. Based on the distribution chart, White Mountains Insurance Group ranks #171 out of 406 companies in the Insurance industry, which is above the industry midpoint. Overall, White Mountains Insurance Group has a GF Score™ of 74/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does White Mountains Insurance Group's Debt-to-Equity compare to RLI and SIGI?
According to the Insurance industry distribution chart, White Mountains Insurance Group ranks #171 out of 406 companies for Debt-to-Equity. This puts White Mountains Insurance Group in the upper half of its industry. The industry median Debt-to-Equity is 0.20. White Mountains Insurance Group's value of 0.16 is 20% below this benchmark. While the company's 10-year median is 0.11 vs. the industry median of 0.20, White Mountains Insurance Group has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Debt-to-Equity for an Insurance company?
The median Debt-to-Equity among Insurance companies is 0.20, based on 406 companies in the industry. Companies in the top quartile (top 25%) have a Debt-to-Equity significantly above this median, while those in the bottom quartile fall well below. However, Debt-to-Equity should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. White Mountains Insurance Group's current Debt-to-Equity of 0.16 is 20% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Debt-to-Equity mean?
A high Debt-to-Equity can signal that a stock is expensive relative to its fundamentals. Debt-to-Equity ratio represents the ratio of total debt to total company equity. View historical data on White Mountains Insurance Group and its competitors. For the Insurance industry, the median Debt-to-Equity is 0.20 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. White Mountains Insurance Group's current Debt-to-Equity is 0.16, which is 45% above median its own 10-year median of 0.11. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is White Mountains Insurance Group stock overvalued right now?
Based on GuruFocus' analysis, White Mountains Insurance Group (WTM) is currently considered Fairly Valued. The stock's GF Value™ is $2,380.57, compared to a current price of $2,176.85 — trading 8.6% below its estimated fair value. The current Debt-to-Equity is 0.16, which is 45% above median its 10-year median of 0.11 and 20% below the Insurance industry median of 0.20. White Mountains Insurance Group's overall GF Score™ is 74/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Debt-to-Equity calculated?
Debt-to-Equity is calculated from a company's financial statements. For White Mountains Insurance Group (WTM), the current Debt-to-Equity is 0.16 as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is White Mountains Insurance Group (WTM) Overvalued in 2026?

Based on GuruFocus' analysis, White Mountains Insurance Group stock appears to be undervalued. The current stock price of $2,176.85 is trading 8.6% below its estimated GF Value™ of $2,380.57. GuruFocus considers White Mountains Insurance Group to be Fairly Valued.

Key valuation signals for WTM:

  • Debt-to-Equity: 0.16 (45% above median its 10-year median of 0.11)
  • GF Value™: $2,380.57 vs. price of $2,176.85 (8.6% below fair value)
  • GF Score™: 74/100 with 3 warning signs
  • Industry Position: 20% below the Insurance median (#171 of 406)

No single metric tells the full story. See the WTM stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


White Mountains Insurance Group Business Description

Other Exchanges WNI:Germany
Address 23 South Main Street, Suite 3B, Hanover, NH, USA, 03755-2053
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. The company has four reportable segments: Ark/WM Outrigger, HG Global, Kudu and Distinguished.
74GF Score

Get the complete analysis for WTM

Debt-to-Equity is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$2,176.85
Price
$2,380.57
GF Value