WHITE MOUNTAINS INSURANCE GROUP LTD — 13F Holdings

2026 Q2  ·  2 Positions

2026 Q2 Portfolio Activity

In 2026 Q2, WHITE MOUNTAINS INSURANCE GROUP LTD maintained a portfolio of 2 distinct positions.
Position History hover any row below to update
Loading…
WHITE MOUNTAINS INSURANCE GROUP LTD Hamilton Insurance Holding Company AUM $224M
Fund Overview SEC EDGAR
PCA Score Concentration Risk
Risk ENB
To Excel To CSV
Total Positions
2
Quarter
2026 Q2
Top Holding
MAX (57.0%)
Top 10 Concentration
100.0%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-2 of 2
Stock History Sector / Type Port % Prev % Rank / Prev Conviction
Freshness
Change % Change Influence Shares Mkt Value Avg Cost Price Held 1st Owned Source Source Date Date Reported
MAX
MEDIAALPHA INC
Communication Services 57.03% 52.99% #1
Prev: #1
7.0
—
no change no change
P
S
17,856,614 $224,457,638 2020 Q4 13F Filing 2026-06-30 2026-08-12
SPY
SPDR S&P 500 ET...
ETF 42.97% 47.01% #2
Prev: #2
6.5
—
no change no change
P
S
226,500 $169,143,405 2022 Q3 13F Filing 2026-06-30 2026-08-12
Showing 1-2 of 2 holdings

Unlock Full WHITE MOUNTAINS INSURANCE GROUP LTD Analysis

PRO subscribers get access to all historical quarters, Excel/CSV exports, Portfolio Concentration Analytics (PCA), and Risk-Based ENB.

Upgrade to PRO
Full Historical Quarters
Excel & CSV Export
PCA & Risk-Based ENB
Auto Cost Basis
Position Change Alerts
Price-Held Analytics
Full history →