White Mountains Insurance Group Ltd 13F Holdings · Q2 2026
White Mountains Insurance Group Ltd reported 2 securities worth $393.60M in its SEC 13F filing for Q2 2026 (period ended 2026-06-30). Top holdings: MAX (57.03%), SPY (42.97%).
| Rank | Ticker | Company | Value | % Portfolio | Shares | Action |
|---|---|---|---|---|---|---|
| 1 | MAX | MEDIAALPHA INC | $224.5M | 57.03% | 17.9M | Hold |
| 2 | SPY | SPDR S&P 500 ETF TR | $169.1M | 42.97% | 226,500 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30
Every position in this 13F-HR, with its change from the prior quarter.
13F holdings, latest quarter
SourceSEC EDGAR13F-HR