IR
Superintel
OverviewMarketsWatchlist
© 2026 IR SuperintelMethodologyContact

White Mountains Insurance Group LTD

Q1 2021 Holdings

Filed 2021-05-14 | 1 holdings | $600.2K | 13F-HR | View on SEC ↗ · Holdings Table ↗

Sign in to see sub-manager breakdown

IssuerClassCUSIPValue ↓Shares% Portfolio
Mediaalpha Inc(MAX)CL A58450V104$600.2K16,939,998100.0%