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White Mountains Insurance

Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$251M +$14.3M +17,290 +6%
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$231M +$3.48M +4,219 +2%
Wellington Management Group
3
Wellington Management Group
Massachusetts
$153M +$7.58M +9,188 +5%
Fuller & Thaler Asset Management
4
Fuller & Thaler Asset Management
California
$148M +$6.65M +8,054 +5%
Boston Partners
5
Boston Partners
Massachusetts
$130M -$2.58M -3,128 -2%
BlackRock
6
BlackRock
New York
$125M -$1.91M -2,310 -2%
FMI
7
Fiduciary Management Inc
Wisconsin
$97M +$2.9M +3,517 +3%
LCOV
8
London Company of Virginia
Virginia
$80.1M -$16.7M -20,273 -17%
Dimensional Fund Advisors
9
Dimensional Fund Advisors
Texas
$74.5M +$19.8M +23,995 +36%
RRAM
10
River Road Asset Management
Kentucky
$72.5M +$1.72M +2,081 +2%
WCM
11
Wallace Capital Management
Texas
$68.9M +$5.06M +6,127 +8%
ACM
12
Atlanta Capital Management
Georgia
$67.5M +$6.93M +8,391 +11%
State Street
13
State Street
Massachusetts
$55.3M -$5.57M -6,744 -9%
Northern Trust
14
Northern Trust
Illinois
$52.6M +$27.2M +32,917 +106%
Principal Financial Group
15
Principal Financial Group
Iowa
$49.6M -$76.3M -92,446 -61%
Wells Fargo
16
Wells Fargo
California
$43.3M -$937K -1,135 -2%
Capital World Investors
17
Capital World Investors
California
$42.6M +$2.06M +2,500 +5%
TSW
18
Thompson Siegel & Walmsley
Virginia
$39.6M +$4.69M +5,686 +13%
Goldman Sachs
19
Goldman Sachs
New York
$35.7M +$20.5M +24,840 +134%
RP
20
Reinhart Partners
Wisconsin
$33.5M +$457K +554 +1%
BAM
21
Burgundy Asset Management
Ontario, Canada
$32.6M +$6.06M +7,344 +23%
Bank of America
22
Bank of America
North Carolina
$32.5M -$5.34M -6,468 -14%
CC
23
Cannell & Co
New York
$31.3M +$397K +481 +1%
TAM
24
Third Avenue Management
New York
$28.1M +$286K +347 +1%
IAM
25
Impax Asset Management
New Hampshire
$27.8M -$660K -800 -2%