White Mountains Insurance Group Ltd.

In its 13F for Q2 2024 (holdings as of June 30, 2024, filed August 8, 2024), White Mountains Insurance Group Ltd. reported 2 stock positions worth $443.7 million. Its top holding was Mediaalpha Class A (MAX) at 53.0% of the portfolio, followed by SS SPDR S&P 500 ETF Trust-US (SPY, 47.0%). Compared with Q1 2024, it added to 1 and reduced 1. The biggest buy was SS SPDR S&P 500 ETF Trust-US (SPY, shares +32%) and the biggest sale Mediaalpha Class A (MAX, shares −22%).