White Mountains Insurance Group, Ltd.

NYSE:WTM Stock Report

Market Cap: US$4.9b

White Mountains Insurance Group Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of WTM?
Owner TypeNumber of SharesOwnership Percentage
State or Government1,0860.0429%
Individual Insiders78,8223.11%
General Public158,2976.25%
Institutions2,294,55390.6%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 70.64% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
9.9%
The Vanguard Group, Inc.
250,783US$487.8m-0.1%0.01%
6.66%
Eaton Vance Management
168,635US$328.0m-1.25%0.07%
6.26%
Dimensional Fund Advisors LP
158,534US$308.3m-0.64%0.04%
4.83%
Fuller & Thaler Asset Management, Inc.
122,277US$237.8m-5.42%0.9%
4.67%
River Road Asset Management, LLC
118,206US$229.9m1.62%2.81%
4.6%
BlackRock, Inc.
116,455US$226.5m0%no data
4.16%
Boston Partners Global Investors, Inc.
105,413US$205.0m-3.33%0.13%
3.26%
Wallace Capital Management, Inc.
82,646US$160.7m1.3%20.88%
2.76%
The London Company of Virginia, LLC
69,853US$135.9m5.11%0.71%
2.4%
Wellington Management Group LLP
60,675US$118.0m-13.1%0.02%
2.33%
T. Rowe Price Group, Inc.
59,127US$115.0m0%0.01%
2.17%
State Street Global Advisors, Inc.
54,877US$106.7m5.2%no data
1.95%
Fiduciary Management, Inc.
49,320US$95.9m-0.07%0.63%
1.57%
Geode Capital Management, LLC
39,844US$77.5m0.69%0.01%
1.55%
Reinhart Partners, LLC
39,369US$76.6m3.93%2.82%
1.52%
Managed Account Advisors LLC
38,609US$75.1m1.37%0.01%
1.37%
Select Equity Group, L.P.
34,663US$67.4m-41.6%0.22%
1.31%
Neuberger Berman Investment Advisers LLC
33,110US$64.4m92.9%0.05%
1.3%
Lord, Abbett & Co. LLC
33,012US$64.2m7.95%0.2%
1.19%
Norges Bank Investment Management
30,106US$58.6m0%no data
1.14%
Cannell & Spears LLC
28,923US$56.3m-3.8%1.08%
1%
Charles Schwab Investment Management, Inc.
25,220US$49.1m1.53%0.01%
0.94%
George Rountree
23,796US$46.3m0%no data
0.91%
Brown Advisory Incorporated
23,126US$45.0m1.43%0.05%
0.89%
Allspring Global Investments, LLC
22,555US$43.9m44%0.06%