White Mountains Insurance Group Ltd
Holdings as of Jun 30, 2026 · filed Aug 12, 2026
| # | Holding | Value | % Port. | Δ Shares | Change (QoQ) |
|---|---|---|---|---|---|
| 1 | Mediaalpha Inc | $224457638 | 57.03% | — | NEW BUY |
| 2 | Spdr S&P 500 Etf Tr | $169143405 | 42.97% | — | NEW BUY |
Holdings disclosed quarterly to the SEC on Form 13-F and may be up to 45 days old. Values as reported. For research only — not investment advice.