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White Mountains Insurance Group Ltd

Portfolio Manager
White Mountains Insurance Group Ltd
Performance
+13.80% (2025 Q4)
AUM (13F)
$313.37M
# of Holdings
2
Performance Rank
Allocation (Top 20)
100%

White Mountains Insurance Group Ltd Holdings Map

Top 2 White Mountains Insurance Group Ltd Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
MAX
MEDIAALPHA INC
52.99%17.86M$166.1M
+0.00%(+0)
2025-Q1: 17.86M shares2025-Q2: 17.86M shares2025-Q3: 17.86M shares2025-Q4: 17.86M shares2026-Q1: 17.86M shares
$32.15(-74.96%)
2026-03-31
SPY
SPDR S&P 500 ETF TR
47.01%226.5K$147.3M
+403.33%(+181.50K)
2025-Q1: 216.2K shares2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 45.0K shares2026-Q1: 226.5K shares
$615.13(+21.63%)
2026-03-31

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