13F-HR: White Mountains Insurance Group 13F Holdings — June 30, 2026
Institutional Holdings Report (13F)
White Mountains Insurance Group Ltd reported 2 holdings worth $393.6M for the period ended June 30, 2026.
Summary
- White Mountains Insurance Group Ltd reported 2 holdings worth $393.6M as of June 30, 2026.
- MEDIAALPHA INC — $224.5M (57.03%), 17,856,614 SH.
- SPDR S&P 500 ETF TR — $169.1M (42.97%), 226,500 SH.
Top Holdings
White Mountains Insurance Group Ltd · 2 positions · $393.6M total · as of June 30, 2026
| Issuer | Value | % Port. | Shares |
|---|---|---|---|
| MEDIAALPHA INC | $224.5M | 57.03% | 17,856,614 |
| SPDR S&P 500 ETF TR | $169.1M | 42.97% | 226,500 |
Keywords
13F, institutional holdings, White Mountains Insurance Group Ltd, MEDIAALPHA INC, SPDR S&P 500 ETF TR
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