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Gladstone Institutional Advisory LLC

Position in WTM — White Mountains Insurance Group Ltd

CIK 1766530 Bedminster, NJ

Position in WTM

as of Jun 30, 2026 · filed Jul 27, 2026
Position Value
$207,338
-$14,554 QoQ
Shares Held
100
-1.0% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#265
of 352 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in WTM Over Time

Shares Held

Position Value (USD)

Position in Insurance - Property & Casualty

Financial Services · as of Jun 30, 2026

Gladstone Institutional Advisory LLC holds $4,102,817 across 6 Insurance - Property & Casualty names. WTM ranks #6 (5.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 WTM
White Mountains Insurance Group Ltd
This page
100 $207,338

All Filings in WTM

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $207,338 100
2026-03-31 $221,892 101
2025-12-31 $207,803 100