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White Mountains Insurance Group Ltd

SEC CIK
0000776867
Latest filing
Aug 12, 2026

Holdings in Q4 2023

Holdings as of Dec 31, 2023, filed Feb 13, 2024. Long positions only; changes compare share counts with Q3 2023.

Institution overview
Positions
2
0 vs. Q3 2023
Portfolio value
$392.6M
−$48.3M (−11.0%) vs. Q3 2023
Filed
Feb 13, 2024
SEC
Holdings of White Mountains Insurance Group Ltd in Q4 2023
SecurityClassSharesValue% of portfolioShare changeActionHistory
MAXMediaAlpha, Inc.CL A22,856,814$254.9M64.9%00.0%UnchangedHistory
SPYSPDR S&P 500 ETF TrustETF289,846$137.8M35.1%−300,000−50.9%ReducedHistory