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White Mountains Insurance
WTM

Overview Fund Activity

319 hedge funds and large institutions have $4.16B invested in White Mountains Insurance in 2025 Q2 according to their latest regulatory filings, with 34 funds opening new positions, 103 increasing their positions, 107 reducing their positions, and 27 closing their positions.

Holders
319
Holders Change
–
Holders Change %
0%
% of All Funds
4.28%
Holding in Top 10
5
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-28.57%
% of All Funds
0.07%
New
34
Increased
103
Reduced
107
Closed
27
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Norges Bank
1
Norges Bank
Norway
$54.8M
2
Neuberger Berman Group
2
Neuberger Berman Group
New York
$150M
3
CB
3
Cooke & Bieler
Pennsylvania
$138M
4
BFS
4
Bradley Foster & Sargent
Connecticut
$9.92M
5
Jane Street
5
Jane Street
New York
$10.9M

Top Sellers

1
First Trust Advisors
1
First Trust Advisors
Illinois
$10.2M
2
Select Equity Group
2
Select Equity Group
New York
$32.1M
3
Fuller & Thaler Asset Management
3
Fuller & Thaler Asset Management
California
$181M
4
APF
4
Alaska Permanent Fund
Alaska
$0
5
Morgan Stanley
5
Morgan Stanley
New York
$296M
Name Market Value Shares Shares
Change 		Shares
Change %
LG
101
Leuthold Group
Minnesota
$2.09M 1,165 -23 -2%
Treasurer of the State of North Carolina
102
Treasurer of the State of North Carolina
North Carolina
$2.09M 1,162 +36 +3%
AllianceBernstein
103
AllianceBernstein
Tennessee
$2.02M 1,127 -28 -2%
Janus Henderson Group
104
Janus Henderson Group
United Kingdom
$2.01M 1,123 – –
AGP
105
Autumn Glory Partners
Texas
$1.94M 1,080 – –
State of New Jersey Common Pension Fund D
106
State of New Jersey Common Pension Fund D
New Jersey
$1.88M 1,048 -25 -2%
GAM
107
Gotham Asset Management
New York
$1.72M 960 +960 New
OSAM
108
O'Shaughnessy Asset Management
Connecticut
$1.69M 939 -118 -11%
PFSRSONJ
109
Police & Firemen's Retirement System of New Jersey
New Jersey
$1.68M 934 +50 +6%
BAM
110
Brave Asset Management
New Jersey
$1.66M 924 – –
Ensign Peak Advisors
111
Ensign Peak Advisors
Utah
$1.62M 900 -100 -10%
SFA
112
Sequoia Financial Advisors
Ohio
$1.49M 830 +4 +0.5%
Ohio Public Employees Retirement System (OPERS)
113
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.45M 810 +16 +2%
ET
114
Equitable Trust
Tennessee
$1.41M 787 +234 +42%
EI
115
Ethic Inc
New York
$1.39M 780 +189 +32%
CAPTRUST Financial Advisors
116
CAPTRUST Financial Advisors
North Carolina
$1.36M 759 -130 -15%
ASRS
117
Arizona State Retirement System
Arizona
$1.35M 751 +14 +2%
Mariner
118
Mariner
Kansas
$1.33M 742 +22 +3%
Nisa Investment Advisors
119
Nisa Investment Advisors
Missouri
$1.31M 731 +1 +0.1%
RFC
120
Regions Financial Corp
Alabama
$1.18M 658 +108 +20%
PAS
121
Park Avenue Securities
New York
$1.14M 637 +637 New
P
122
&Partners
Tennessee
$1.14M 637 +241 +61%
MPPLM
123
Midwest Professional Planners Ltd (MPPL)
Wisconsin
$1.13M 628 +36 +6%
Luther King Capital Management (LKCM)
124
Luther King Capital Management (LKCM)
Texas
$1.08M 600 -10 -2%
Handelsbanken Fonder
125
Handelsbanken Fonder
Sweden
$1.08M 600 – –
3 4
5
6 7