Latest White Mountains Insurance Group Ltd Stock Portfolio
$393Million | No. of Holdings #2
About White Mountains Insurance Group Ltd and 13F Hedge Fund Stock Holdings
WHITE MOUNTAINS INSURANCE GROUP LTD is a hedge fund based in New York, NY. On 2026-08-12, the fund reported it's updated stock portfolio. In the 13F Holdings report, WHITE MOUNTAINS INSURANCE GROUP LTD reported an equity portfolio of $393.6 Millions as of 30 Jun, 2026. <br><br> The top stock holdings of WHITE MOUNTAINS INSURANCE GROUP LTD are MAX, SPY. The fund has invested 57% of it's portfolio in MEDIAALPHA INC and 43% of portfolio in SPDR S&P 500 ETF TR. <br><br>
White Mountains Insurance Group Ltd Equity Portfolio Value
Last Reported on: 12 Aug, 2026
$393Million
as of Aug 12, 2026White Mountains Insurance Group Ltd Annual Return Estimates Vs S&P 500
- Performance
New Buys
No new stocks were added by White Mountains Insurance Group Ltd
Additions
No additions were made to existing positions by White Mountains Insurance Group Ltd
Reductions
None of the existing positions were reduced by White Mountains Insurance Group Ltd
Sold off
None of the stocks were completely sold off by White Mountains Insurance Group Ltd
Sector Distribution
- Communication Services
- Others
| Sector | % |
|---|---|
| Communication Services | 57 |
| Others | 43 |
Market Cap. Distribution
- SMALL-CAP
- UNALLOCATED
| Category | % |
|---|---|
| SMALL-CAP | 57 |
| UNALLOCATED | 43 |
Stocks belong to which Index?
- RUSSELL 2000
- Others
| Index | % |
|---|---|
| RUSSELL 2000 | 57 |
| Others | 43 |
White Mountains Insurance Group Ltd Holdings Map
This heatmap illustrates the top 50 positions within the fund's portfolio.
Current Stock Holdings of White Mountains Insurance Group Ltd
$393.60MTotal Value
2.00Positions
12 Aug, 2026Last Reported
| Expand | Holdingsorted ascending | % Portfolio | Shares Held | $ Value | % Change |
|---|---|---|---|---|---|
 Mediaalpha Inc White Mountains Insurance Group Ltd's holding in Mediaalpha Inc over time | 57.03% | 17,856,600 | $224.46M 57.03% | 0%unchanged 0 percentunchanged | |
 SPY Spdr S&P 500 Etf TrSpdr S&P 500 Etf TrSPY | 42.97% | 226,500 | $169.14M 42.97% | 0%unchanged 0 percentunchanged | |