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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?

108 Followers

White Mountains Insurance Group (WTM) Ownership Overview

3.12%36.91%38.28%15.20%6.49%
38.28% Other Institutional Investors
15.20% ETFs
6.49% 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 90.39% of the company’s stock is owned by Institutional Investors, 3.12% is owned by Insiders, and 6.49% 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 75.19% of the company’s stock is owned by Institutional Investors, 3.12% is owned by Insiders, and 15.20% 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
205,804Institution8.31%414,806,194
195,732Institution7.90%394,505,675
150,745Institution6.09%303,832,577
87,315Institution3.53%175,986,875
85,474Institution3.45%172,276,266
51,650Institution2.09%104,102,641
46,693Institution1.89%94,111,609
40,000Institution1.62%80,621,600
38,176Institution1.54%76,945,255
35,881Institution1.45%72,319,591

Top Mutual Fund Holders

Holder
# of Shares
Type
% Holding
Value
195,732Institution7.90%394,505,675
150,745Institution6.09%303,832,577
87,315Institution3.53%175,986,875
85,474Institution3.45%172,276,266
51,650Institution2.09%104,102,641
40,000Institution1.62%80,621,600
38,176Institution1.54%76,945,255
34,061Institution1.38%68,651,308
23,074Institution0.93%46,506,570
12,851Institution0.52%25,901,705

Top ETF Holders

Holder
# of Shares
Type
% Holding
Value
77,056Institution3.11%171,988,221
55,884Institution2.26%124,732,529
35,893Institution1.45%80,112,817
27,647Institution1.12%61,707,828
24,591Institution0.99%49,564,144
17,318Institution0.70%35,225,158
12,615Institution0.51%25,659,162
11,765Institution0.48%23,712,828
9,831Institution0.40%19,814,774
7,577Institution0.31%15,411,770

FAQ

Who Owns White Mountains Insurance Group (WTM)?
According to the latest TipRanks data, approximately 38.28% of the company's stock is held by institutional investors, 3.12% is held by insiders, and 6.49% 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 38.28% 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 6.49% 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.