| Ticker | Name | Current Value | vs Filing % | % of Portfolio | vs Last Filing |
|---|---|---|---|---|---|
| MAX | MEDIAALPHA INC | $169M | +1.6% | 50.1% | — |
| SPY | SPDR S&P 500 ETF TR | $168M | +14.1% | 49.9% | +403.3% |
Portfolio reflects White Mountains Insurance Group's 13-F filed 2026-05-12 (2026-03-31 quarter-end), marked to most recent close.