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White Mountains Insurance GroupWTM +0.13%75 3-Year Share Buyback Ratio is 1.20 as of Jun. 2026, which is 83% below its 10-year median of 6.90. GuruFocus rates WTM with a GF Score™ of 75/100 and a GF Value™ of $2,425.24 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 280 Insurance companies, White Mountains Insurance Group ranks better than 71.07% on this metric.
Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.
3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. A positive ratio may indicate share buybacks over the period, while a zero or negative ratio may reflect no repurchases or potential share issuance. White Mountains Insurance Group's current 3-Year Share Buyback Ratio was 1.20%.
The historical rank and industry rank for White Mountains Insurance Group's 3-Year Share Buyback Ratio or its related term are showing as below:
WTM'
s 3-Year Share Buyback Ratio Range Over the Past 10 Years
Min: -15.3 Med: 6.9 Max: 34.8
Current: 1.2
During the past 13 years, White Mountains Insurance Group's highest 3-Year Share Buyback Ratio was 34.80%. The lowest was -15.30%. And the median was 6.90%.
WTM's 3-Year Share Buyback Ratio is ranked better than 71.07% of 280
companies
in the Insurance industry
Industry Median: -0.1
vs WTM: 1.20
White Mountains Insurance Group (NYSE:WTM) 3-Year Share Buyback Ratio Explanation
A negative number means the company might be issuing new shares. A positive number indicates that the company is buying back shares.
Be Aware
Investors usually like share buybacks. But as pointed by Warren Buffett, only if a company buys back shares at the prices below the stock's intrinsic value, it rewards remaining shareholders. If a company buys its overvalued stocks back, it destroys shareholder value.
White Mountains Insurance Group 3-Year Share Buyback Ratio Related Terms
WTM vs RLI, SIGI, MCY: 3-Year Share Buyback Ratio Comparison
For the Insurance - Property & Casualty subindustry, White Mountains Insurance Group's 3-Year Share Buyback Ratio, along with its competitors' market caps and 3-Year Share Buyback Ratio 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 3-Year Share Buyback Ratio vs Insurance Industry
For the Insurance industry and Financial Services sector, White Mountains Insurance Group's 3-Year Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where White Mountains Insurance Group's 3-Year Share Buyback Ratio falls into.
White Mountains Insurance Group 3-Year Share Buyback Ratio Calculation
This is the annualized percentage change in shares outstanding from three years ago to the current year. The annualized percentage change is calculated with expontential compound based on the latest four years of annual data on Shares Outstanding (EOP).
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average dividends per share growth rate.
What does a 3-Year Share Buyback Ratio of 1.20 mean?
White Mountains Insurance Group (WTM) has a 3-Year Share Buyback Ratio of 1.20 as of Jun. 2026. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for White Mountains Insurance Group and its competitors. This is 83% below median its historical median of 6.90. According to the industry distribution chart, White Mountains Insurance Group ranks #81 out of 280 companies in the Insurance industry, placing it in the top 28.9%.
Is White Mountains Insurance Group's 3-Year Share Buyback Ratio too high?
White Mountains Insurance Group's current 3-Year Share Buyback Ratio of 1.20 is 83% below median its 10-year median of 6.90. Based on the distribution chart, White Mountains Insurance Group ranks #81 out of 280 companies in the Insurance industry, which is above the industry midpoint. Overall, White Mountains Insurance Group has a GF Score™ of 75/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does White Mountains Insurance Group's 3-Year Share Buyback Ratio compare to RLI and SIGI?
According to the Insurance industry distribution chart, White Mountains Insurance Group ranks #81 out of 280 companies for 3-Year Share Buyback Ratio. This puts White Mountains Insurance Group in the upper half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Share Buyback Ratio for an Insurance company?
A good 3-Year Share Buyback Ratio depends on the Insurance industry context. However, 3-Year Share Buyback Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 3-Year Share Buyback Ratio mean?
A high 3-Year Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for White Mountains Insurance Group and its competitors. White Mountains Insurance Group's current 3-Year Share Buyback Ratio is 1.20, which is 83% below median its own 10-year median of 6.90. 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 Modestly Undervalued. The stock's GF Value™ is $2,425.24, compared to a current price of $2,112.33 — trading 12.9% below its estimated fair value. The current 3-Year Share Buyback Ratio is 1.20, which is 83% below median its 10-year median of 6.90. White Mountains Insurance Group's overall GF Score™ is 75/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Share Buyback Ratio calculated?
3-Year Share Buyback Ratio is calculated from a company's financial statements. For White Mountains Insurance Group (WTM), the current 3-Year Share Buyback Ratio is 1.20 as of Jun. 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 $2,112.33 is trading 12.9% below its estimated GF Value™ of $2,425.24.
GuruFocus considers White Mountains Insurance Group to be Modestly Undervalued.
Key valuation signals for WTM:
3-Year Share Buyback Ratio: 1.20 (83% below median its 10-year median of 6.90)
GF Value™: $2,425.24 vs. price of $2,112.33 (12.9% below fair value)
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 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.
75GF Score
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3-Year Share Buyback Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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