WHITE MOUNTAINS INSURANCE GROUP LTD 13F Holdings

Name: SEC Form 13F Institutional Holdings Database
Creator: 13F Fund Database
License: https://www.sec.gov/about/secdataaccess

CIK 0000776867

As of Sep 30, 2025, WHITE MOUNTAINS INSURANCE GROUP LTD reported 1 positions worth $203.2M in its SEC Form 13F filing.

Top 1 holdings

Security	Ticker	Sector	Shares	Value	% of portfolio
MEDIAALPHA INC	MAX	Communication Services	17,856,614	$203.2M	100.00%