2026 Q1 Portfolio Activity
In 2026 Q1, WHITE MOUNTAINS INSURANCE GROUP LTD maintained a portfolio of 2 distinct positions. They heavily accumulated shares in SPDR S&P 500 ETF TR, increasing the position by 403.3%.
Position History
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Total Positions
2
Quarter
2026 Q1
Top Holding
MAX (53.0%)
Top 10 Concentration
100.0%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-2 of 2
WHITE MOUNTAINS INSURANCE GROUP LTD Full Holdings List — 2026 Q1
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MAX
MEDIAALPHA INC
|
Communication Services | 52.99% | 88.28% |
#1
Prev: #1
|
7.0 |
—
|
no change | no change |
P
S
|
17,856,614 | $166,066,510 | 2020 Q4 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
SPY
SPDR S&P 500 ET...
|
ETF | 47.01% | 11.72% |
#2
Prev: #2
|
8.5 |
—
|
181,500 | 403.3% |
P
S
|
226,500 | $147,302,010 | 2022 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 |
Showing 1-2 of 2 holdings