Holdings
White Mountains Insurance Group LTD
As of Jun 30, 2026, White Mountains Insurance Group LTD reported 1 positions worth US$224M. Largest: Mediaalpha, Inc. What it bought and sold, with each filing.
| Company | Shares | Value as reported | Change | As of |
|---|---|---|---|---|
| Mediaalpha, Inc. | 17.9M | US$224M | no change | Jun 30, 2026 |