Institutional Fund
White Mountains Insurance Group Ltd
Hanover, NHCIK 7768675 filings on record
Portfolio Value
$313.37M
Q1 2026
Holdings
2
Reported positions
New Buys
0
Opened this quarter
QoQ Change
+19.6%
from $261.93M
Portfolio Value Trend
Reported 13F value by quarter
Portfolio value trend — upgrade to see history
UpgradeTop Allocations
Largest positions by weight
- Mediaalpha Inc53.0%
- Spdr S&P 500 ETF Tr47.0%
Portfolio Holdings
2 positions · Q1 2026
| # | Security | Shares | Value | % Port. | Δ Shares | Activity |
|---|---|---|---|---|---|---|
| 1 | Mediaalpha Inc | 17.86M | $166.07M | 53.0% | 0 | Held |
| 2 | Spdr S&P 500 ETF Tr | 226.5K | $147.30M | 47.0% | +181.5K | Added |