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White Mountains Insurance Group (WTM)
NYSE:WTM
US Market
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White Mountains Insurance Group (WTM) Ownership - Who Owns White Mountains Insurance Group?

107 Followers

White Mountains Insurance Group (WTM) Ownership Overview

3.08%37.98%14.80%14.76%29.38%
14.80% Other Institutional Investors
14.76% ETFs
29.38% Public Companies and
Individual Investors
The ownership structure of White Mountains Insurance Group (WTM) stock is a mix of institutional, retail, and individual investors. Approximately 67.54% of the company’s stock is owned by Institutional Investors, 3.08% is owned by Insiders, and 29.38% is owned by Public Companies and Individual Investors.
The ownership structure of White Mountains Insurance Group (WTM) stock is a mix of institutional, retail, and individual investors. Approximately 52.78% of the company’s stock is owned by Institutional Investors, 3.08% is owned by Insiders, and 14.76% is owned by Public Companies and Individual Investors.

Recent Insider Trading Activity

Date
Name
Activity
Value
Dec 22, 2025
xxxxxxxxxxxxx
$10250000
Dec 16, 2025
xxxxxxxxxxxxx
$338004

Top Shareholders

Holder
# of Shares
Type
% Holding
Value
203,273Institution8.21%432,646,253
187,341Institution7.56%398,736,584
150,745Institution6.09%320,845,658
89,374Institution3.61%190,223,622
87,315Institution3.53%185,841,246
51,650Institution2.09%109,931,860
49,189Institution1.99%104,693,868
46,422Institution1.87%98,804,585
45,000Institution1.82%95,778,000
34,869Institution1.41%74,215,180

Top Mutual Fund Holders

Holder
# of Shares
Type
% Holding
Value
187,341Institution7.56%398,736,584
150,745Institution6.09%320,845,658
89,374Institution3.61%190,223,622
87,315Institution3.53%185,841,246
51,650Institution2.09%109,931,860
49,189Institution1.99%104,693,868
45,000Institution1.82%95,778,000
34,061Institution1.38%72,495,432
23,074Institution0.93%49,110,702
18,927Institution0.76%40,284,227

Top ETF Holders

Holder
# of Shares
Type
% Holding
Value
76,909Institution3.11%168,965,997
55,998Institution2.26%123,025,366
35,634Institution1.44%78,286,473
27,355Institution1.10%60,097,841
17,278Institution0.70%36,154,215
17,095Institution0.69%35,771,288
12,523Institution0.51%26,653,953
11,944Institution0.48%24,992,820
9,698Institution0.39%20,641,223
7,494Institution0.30%15,681,195

FAQ

Who Owns White Mountains Insurance Group (WTM)?
According to the latest TipRanks data, approximately 14.80% of the company's stock is held by institutional investors, 3.08% is held by insiders, and 29.38% is held by retail investors.
    What percentage of White Mountains Insurance Group (WTM) stock is held by institutional investors?
    According to the latest TipRanks data, approximately 14.80% of White Mountains Insurance Group (WTM) stock is held by institutional investors.
      What percentage of White Mountains Insurance Group (WTM) stock is held by retail investors?
      According to the latest TipRanks data, approximately 29.38% of White Mountains Insurance Group (WTM) stock is held by retail investors.
        Who owns the most shares of White Mountains Insurance Group (WTM)?
        Vanguard owns the most shares of White Mountains Insurance Group (WTM).
          What is the significance of the ownership structure for a publicly traded company?
          The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.