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XTX Topco Ltd

Position in WTM — White Mountains Insurance Group Ltd

CIK 1828301 LONDON, X0

Position in WTM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$3,408,652
+$2,859,412 QoQ
Shares Held
1,644
+557.6% QoQ
Ownership
0.069%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#87
of 348 holders
Holding Since
Mar 2021
8 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in WTM Over Time

Shares Held

Position Value (USD)

Position in Insurance - Property & Casualty

Financial Services · as of Jun 30, 2026

XTX Topco Ltd holds $56,435,152 across 34 Insurance - Property & Casualty names. WTM ranks #3 (6.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 WTM
White Mountains Insurance Group Ltd
This page
1,644 $3,408,652

All Filings in WTM

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8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,408,652 1,644
2026-03-31 $549,240 250
2025-12-31 $475,868 229
2024-12-31 $1,005,596 517
2024-09-30 $678,480 400
2023-12-31 $379,262 252
2023-06-30 $294,448 212
2021-03-31 $253,082 227