WTM (White Mountains Insurance Group) Institutional Ownership: 98.93% (As of Jul. 08, 2026)


WTM White Mountains Insurance Group Ltd WTM
75 GF Score
Price $2,165.85
GF Value $2,361.47
Valuation Fairly Valued
! 3 Warning Signs
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What is White Mountains Insurance Group Institutional Ownership?

White Mountains Insurance Group WTM -0.02% 75 Institutional Ownership is 98.93% as of Jul. 08, 2026. GuruFocus rates WTM with a GF Score™ of 75/100 and a GF Value™ of $2,361.47 (Fairly Valued). The stock has 3 warning signs investors should review.

Institutional ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, White Mountains Insurance Group's institutional ownership is 98.93%.

Insider Ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, White Mountains Insurance Group's Insider Ownership is 18.17%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, White Mountains Insurance Group's Float Percentage Of Total Shares Outstanding is 96.90%.

White Mountains Insurance Group Institutional Ownership Historical Data

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The historical data trend for White Mountains Insurance Group's Institutional Ownership 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 Institutional Ownership Chart

White Mountains Insurance Group Historical Data

The historical data trend for White Mountains Insurance Group can be seen below:

2025-09-30 2025-10-31 2025-11-30 2025-12-31 2026-01-31 2026-02-28 2026-03-31 2026-04-30 2026-05-31 2026-06-30
Institutional Ownership 63.18 63.12 62.95 62.42 61.92 61.79 58.09 58.67 59.40 59.62
WTM
75GF Score
White Mountains Insurance Group Ltd WTM
Institutional Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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White Mountains Insurance Group Institutional Ownership Calculation

The percentage of shares that are owned by institutions out of the total shares outstanding.

What does a Institutional Ownership of 98.93% mean?
White Mountains Insurance Group (WTM) has a Institutional Ownership of 98.93% as of Jul. 08, 2026. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on White Mountains Insurance Group and its competitors.
Is White Mountains Insurance Group's Institutional Ownership too high?
White Mountains Insurance Group's current Institutional Ownership is 98.93%. Overall, White Mountains Insurance Group has a GF Score™ of 75/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does White Mountains Insurance Group's Institutional Ownership compare to RLI and SIGI?
White Mountains Insurance Group's Institutional Ownership of 98.93% can be compared against companies in the Insurance industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Institutional Ownership for an Insurance company?
A good Institutional Ownership depends on the Insurance industry context. However, Institutional Ownership 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 Institutional Ownership mean?
A high Institutional Ownership can signal that a stock is expensive relative to its fundamentals. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on White Mountains Insurance Group and its competitors. White Mountains Insurance Group's current Institutional Ownership is 98.93%. 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 $2,361.47, compared to a current price of $2,165.85 — trading 8.3% below its estimated fair value. The current Institutional Ownership is 98.93%. White Mountains Insurance Group's overall GF Score™ is 75/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Institutional Ownership calculated?
Institutional Ownership is calculated from a company's financial statements. For White Mountains Insurance Group (WTM), the current Institutional Ownership is 98.93% as of Jul. 08, 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 $2,165.85 is trading 8.3% below its estimated GF Value™ of $2,361.47. GuruFocus considers White Mountains Insurance Group to be Fairly Valued.

Key valuation signals for WTM:

  • Institutional Ownership: 98.93%
  • GF Value™: $2,361.47 vs. price of $2,165.85 (8.3% below fair value)
  • GF Score™: 75/100 with 3 warning signs

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

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.
75GF Score

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

$2,165.85
Price
$2,361.47
GF Value