White Mountains Insurance Group Ltd

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White Mountains Insurance Group Ltd
TickerWTM
CIK #0000776867
CUSIPG9618E107
SectorFinance - Fire, Marine & Casualty Insurance
Address80 South Main St, Hanover, NH 03755
Source [EDGAR]
CIK Filing 2011 - 2024
[0000776867] 10-K
[0000776867] 10-Q
[0000776867] 13F-HR
[0000776867] 13F-NT
[0000776867] 3
[0000776867] 4
[0000776867] 5
[0000776867] 8-K
[0000776867] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Fuller & Thaler Asset Management Inc White Mountains Insurance Group Ltd [2023-02-14] 5.95
Dimensional Fund Advisors LP White Mountains Insurance Group Ltd [2023-02-10] 6.2
White Mountains Insurance Group Ltd Mediaalpha Inc [2023-02-10] 39.3
River Road Asset Management LLC White Mountains Insurance Group Ltd [2023-02-08] 5.4
White Mountains Insurance Group Ltd Mediaalpha Inc [2021-02-12] 61.9
Eaton Vance Management White Mountains Insurance Group Ltd [2021-02-12] 7.02
River Road Asset Management LLC White Mountains Insurance Group Ltd [2021-02-10] 5.2
Boston Partners White Mountains Insurance Group Ltd [2019-02-14] 5.51
Wellington Management Group LLP White Mountains Insurance Group Ltd [2019-02-12] 7.05
Vanguard Group Inc White Mountains Insurance Group Ltd [2016-02-11] 5.38
Price T Rowe Associates Inc /MD/ White Mountains Insurance Group Ltd [2014-02-12] 5.2
London Co of Virginia White Mountains Insurance Group Ltd [2013-12-10] 5.19
Gillespie George J III White Mountains Insurance Group Ltd [2013-09-17] 5.2
[2013-03-18] None
Form 3/4/5 Filer 2011 - 2024
Carlson Peter M
White Mountains Insurance Group Ltd
Dillon Margaret
Tanner David Allen
Shank Suzanne F
Gelston Philip A
Choksi Mary C
Hicks Weston M
Yi Steven
Caffrey Liam P
Rountree George Manning
Hildreth Michaela
Seelig Robert Lawrence
Campbell Reid Tarlton
Davis Morgan W
MediaAlpha, Inc.
Palmer Jess Brian
Holiday Edith E
Bazos Frank R
Smith Lowndes Andrew
Brouillette Yves
Tolman Gary Charles
Frinquelli Angelo Michael
OneBeacon Insurance Group, Ltd.
Foy David Thomas
Barrette Raymond Joseph Rene
Linker David
Symetra Financial CORP
Oberting Kernan V
Waters Allan Lewis
Gillespie John Davies
Clark Howard Longstreth Jr
Byrne John Joseph
Form 13F Holdings
Firm Period DFND Voting Shares
Vanguard Group Inc [2023-03-31] SOLE 0.0 254,113.0
Morgan Stanley [2023-03-31] DFND 128,286.0 200,899.0
Dimensional Fund Advisors LP [2023-03-31] SOLE 150,493.0 153,006.0
Fuller & Thaler Asset Management Inc [2023-03-31] SOLE 141,035.0 143,738.0
River Road Asset Management LLC [2023-03-31] SOLE 132,659.0 138,689.0
BlackRock Inc. [2023-03-31] SOLE 105,912.0 111,477.0
Boston Partners [2023-03-31] DFND 73,194.0 77,374.0
Wallace Capital Management Inc [2023-03-31] SOLE 73,128.0 73,128.0
Wellington Management Group LLP [2023-03-31] DFND 0.0 70,724.0
London Co of Virginia [2023-03-31] SOLE 63,605.0 65,034.0
Southeastern Asset Management Inc/TN/ [2023-03-31] DFND 50,340.0 50,340.0
Boston Partners [2023-03-31] OTR 109.0 48,163.0
State Street Corp [2023-03-31] DFND 40,744.0 47,873.0
Bank of America Corp /DE/ [2023-03-31] DFND 617.0 42,387.0
Reinhart Partners Inc [2023-03-31] SOLE 38,966.0 40,119.0
Geode Capital Management LLC [2023-03-31] DFND 35,223.0 35,223.0
Fiduciary Management Inc /WI/ [2023-03-31] SOLE 30,276.0 34,424.0
Cannell & Co [2023-03-31] SOLE 33,240.0 33,240.0
Robeco Institutional Asset Management B.V. [2023-03-31] DFND 20,110.0 32,167.0
Scout Investments Inc [2023-03-31] SOLE 30,611.0 30,611.0
Raymond James & Associates [2023-03-31] SOLE 28,577.0 29,186.0
Charles Schwab Investment Management Inc [2023-03-31] SOLE 23,140.0 23,140.0
MRAZ Amerine & Associates Inc [2023-03-31] SOLE 22,361.0 22,362.0
FMR LLC [2023-03-31] DFND 22,035.0 22,111.0
Elkhorn Partners Limited Partnership [2023-03-31] SOLE 18,020.0 18,020.0
Thompson Siegel & Walmsley LLC [2023-03-31] DFND 11,072.0 17,417.0
Victory Capital Management Inc [2023-03-31] SOLE 16,097.0 16,097.0
Perpetual Ltd [2023-03-31] DFND 15,476.0 15,476.0
Northern Trust Corp [2023-03-31] DFND 2,282.0 15,115.0
Wells Fargo & Company/MN [2023-03-31] DFND 931.0 14,481.0
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