CIK 776867

WHITE MOUNTAINS INSURANCE GROUP LTD

Institutional 13F holdings & portfolio

Holdings

Portfolio Value

$1M+

Latest Report

Dec 31, 2025

Report Periods

Holdings

13F filings as of Dec 31, 2025 · Showing 1–2 of 2

Ticker	Company	Shares	Value	Type
MAX	MEDIAALPHA INC	17.9M	$1M+	SH
SPY	SPDR S&P 500 ETF TR	45K	$1M+	SH

WHITE MOUNTAINS INSURANCE GROUP LTD 13F Holdings & Portfolio | InsiderStonks