White Mountains Insurance Group Ltd

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White Mountains Insurance Group Ltd
CIK #0000776867
Sector Form 13F Holdings Value ($M)
Mediaalpha Inc 195.5
 
 
 
 
 
 
 
 
 
 
Holdings by Sector ($M)
100080060040020002012201620212026
EDGAR Form CIK 2011 - 2025
10-K [0000776867]
10-Q [0000776867]
13F-HR [0000776867]
13F-NT [0000776867]
3 [0000776867]
4 [0000776867]
5 [0000776867]
8-K [0000776867]
SC 13D [0000776867]
SC 13G [0000776867]
Form 13D/13G Filer Form 13D/13G Subject Filed
White Mountains Insurance Group Ltd Mediaalpha Inc [2023-06-30]
Fuller & Thaler Asset Management Inc White Mountains Insurance Group Ltd [2023-02-14]
Dimensional Fund Advisors LP White Mountains Insurance Group Ltd [2023-02-10]
White Mountains Insurance Group Ltd Mediaalpha Inc [2023-02-10]
River Road Asset Management LLC White Mountains Insurance Group Ltd [2023-02-08]
Eaton Vance Management White Mountains Insurance Group Ltd [2021-02-12]
White Mountains Insurance Group Ltd Mediaalpha Inc [2021-02-12]
River Road Asset Management LLC White Mountains Insurance Group Ltd [2021-02-10]
Boston Partners White Mountains Insurance Group Ltd [2019-02-14]
Wellington Management Group LLP White Mountains Insurance Group Ltd [2019-02-12]
View All
Form 3/4/5 Subject 2011 - 2025
Shank Suzanne F
White Mountains Insurance Group Ltd
Gelston Philip A
Choksi Mary C
Carlson Peter M
Campbell Reid Tarlton
Yi Steven
Tanner David Allen
Hicks Weston M
Dillon Margaret
Hildreth Michaela
Seelig Robert Lawrence
Caffrey Liam P
Harrison Giles E
Rountree George Manning
WM Hinson (Bermuda) Ltd.
MediaAlpha, Inc.
Davis Morgan W
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
Linker David
Barrette Raymond Joseph Rene
Symetra Financial CORP
Oberting Kernan V
Waters Allan Lewis
Gillespie John Davies
Clark Howard Longstreth Jr
Byrne John Joseph
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