Skip to main content

White Mountains Insurance Group Ltd

SEC CIK
0000776867
Latest filing
Aug 12, 2026

SPY holding history

SPDR S&P 500 ETF Trust in every 13F filed by White Mountains Insurance Group Ltd, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

SPY overviewAll 13F holders of SPYFull Q2 2026 holdings

Shares (Q2 2026)
226,500
Value
$169.1M
% of portfolio
43.0%
Quarters held
14
Since Q3 2022
Holdings of SPY by White Mountains Insurance Group Ltd, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026226,500$169.1M43.0%00.0%UnchangedHolders
Q1 2026226,500$147.3M47.0%+181,500+403.3%AddedHolders
Q4 202545,000$30.7M11.7%+45,000NewHolders
Q2 20250$00.0%−216,197−100.0%Sold outHolders
Q1 2025216,197$120.9M42.3%−166,949−43.6%ReducedHolders
Q4 2024383,146$224.6M52.7%00.0%UnchangedHolders
Q3 2024383,146$219.8M40.5%00.0%UnchangedHolders
Q2 2024383,146$208.5M47.0%+93,300+32.2%AddedHolders
Q1 2024289,846$151.6M24.6%00.0%UnchangedHolders
Q4 2023289,846$137.8M35.1%−300,000−50.9%ReducedHolders
Q3 2023589,846$252.1M57.2%−25,000−4.1%ReducedHolders
Q2 2023614,846$272.5M53.6%−258,100−29.6%ReducedHolders
Q1 2023872,946$357.4M58.5%00.0%UnchangedHolders
Q4 2022872,946$333.8M66.5%+742,946+571.5%AddedHolders
Q3 2022130,000$46.4M23.9%+130,000NewHolders