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MARSHALL WACE, LLP

Position in WTM — White Mountains Insurance Group Ltd

CIK 1318757 LONDON, X0

Position in WTM

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$8,519,810
+$6,238,134 QoQ
Shares Held
3,878
+253.2% QoQ
Ownership
0.162%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2020
4 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in WTM Over Time

Shares Held

Position Value (USD)

Position in Insurance - Property & Casualty

Financial Services · as of Mar 31, 2026

MARSHALL WACE, LLP holds $337,847,313 across 29 Insurance - Property & Casualty names. WTM ranks #10 (2.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in WTM

Export CSV
4 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $8,519,810 3,878
2025-12-31 $2,281,676 1,098
2021-12-31 $158,168 156
2020-09-30 $1,274,444 1,636