White Mountains Insurance Group Ltd

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Assets, Funds, Holdings

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White Mountains Insurance Group Ltd
CIK #0000776867
Sector Form 13F Holdings Value ($M)
Mediaalpha Inc 166.1
 
 
 
 
 
 
 
 
 
 
Holdings by Sector ($M)
100080060040020002011201620212027
EDGAR Form CIK 2011 - 2026
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
Vanguard Capital Management LLC White Mountains Insurance Group Ltd [2026-04-30]
Neuberger Berman Group LLC White Mountains Insurance Group Ltd [2026-02-05]
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]
White Mountains Insurance Group Ltd Mediaalpha Inc [2021-02-12]
Eaton Vance Management White Mountains Insurance Group Ltd [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]
Vanguard Group Inc White Mountains Insurance Group Ltd [2016-02-11]
Price T Rowe Associates Inc /MD/ White Mountains Insurance Group Ltd [2014-02-12]
London Co of Virginia White Mountains Insurance Group Ltd [2013-12-10]
Gillespie George J III White Mountains Insurance Group Ltd [2013-09-17]
[2013-03-18]
Form 3/4/5 Subject 2011 - 2026
White Mountains Insurance Group Ltd
Shank Suzanne F
Tanner David Allen
Campbell Reid Tarlton
Carlson Peter M
Choksi Mary C
Chu John
Dillon Margaret
Gelston Philip A
Hicks Weston M
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