White Mountains Insurance Group

White Mountains Insurance Group as of Sept. 30, 2025

Portfolio Holdings for White Mountains Insurance Group

White Mountains Insurance Group holds 1 positions in its portfolio as reported in the September 2025 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Mediaalpha Cl A (MAX) 100.0 $203M 18M 11.38