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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 %
FFO
276
Fortitude Family Office
Arizona
$37.7K 21 +2 +11%
DAM
277
Delta Asset Management
Tennessee
$34.1K 19 – –
Jones Financial Companies
278
Jones Financial Companies
Missouri
$33.9K 19 +9 +90%
Fifth Third Bancorp
279
Fifth Third Bancorp
Ohio
$30.5K 17 +11 +183%
HNB
280
Huntington National Bank
Ohio
$28.7K 16 -7 -30%
GCM
281
Gables Capital Management
Florida
$26.9K 15 – –
PTC
282
Private Trust Company
Ohio
$25.1K 14 -1 -7%
CAL
283
Capital Advisors Ltd
Ohio
$22K 12 – –
SO
284
Sierra Ocean
California
$21.5K 12 – –
Nomura Asset Management
285
Nomura Asset Management
Japan
$21.5K 12 – –
Northwestern Mutual Wealth Management
286
Northwestern Mutual Wealth Management
Wisconsin
$21.5K 12 -9 -43%
GWM
287
Geneos Wealth Management
Colorado
$19.8K 11 -27 -71%
Acadian Asset Management
288
Acadian Asset Management
Massachusetts
$17K 10 – –
Mitsubishi UFJ Asset Management
289
Mitsubishi UFJ Asset Management
Japan
$16.2K 9 – –
BCWM
290
Bartlett & Co Wealth Management
Ohio
$14.4K 8 – –
BIA
291
Bell Investment Advisors
California
$14.4K 8 – –
BI
292
Binnacle Investments
Iowa
$12.6K 7 – –
PWAM
293
Private Wealth Asset Management
Iowa
$12.6K 7 – –
SAM
294
Smartleaf Asset Management
Massachusetts
$12.5K 7 +3 +75%
C
295
Covestor
United Kingdom
$12K 6 -117 -95%
NS
296
NBC Securities
Alabama
$12K 7 – –
1IA
297
1620 Investment Advisors
Massachusetts
$10.8K 6 – –
HWM
298
Hemington Wealth Management
Virginia
$10K 6 – –
SWM
299
Spire Wealth Management
Virginia
$8.98K 5 -3 -38%
JWA
300
JFS Wealth Advisors
Pennsylvania
$8.98K 5 – –
10 11
12
13 14