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Equibles

HORIZON KINETICS ASSET MANAGEMENT LLC

Position in WTM — White Mountains Insurance Group Ltd

CIK 1056823 NEW YORK, NY
Back to WTM Full portfolio

Position in WTM

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$25,307,797
-$3,498,742 QoQ
Shares Held
12,206
-6.9% QoQ
Ownership
0.511%
of shares outstanding
% of Portfolio
0.29%
of 13F equity value
Holder Rank
#39
of 354 holders
Holding Since
Mar 2020
20 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

HORIZON KINETICS ASSET MANAGEMENT LLC holds $29,609,494 across 3 Insurance - Property & Casualty names. WTM ranks #1 (85.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 WTM
White Mountains Insurance Group Ltd
This page 		12,206 $25,307,797
2 MKL
Markel Group Inc.
 2,064 $4,031,012
3 L
Loews Corp
 2,391 $270,685

All Filings in WTM

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20 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $25,307,797 12,206
2026-03-31 $28,806,539 13,112
2025-12-31 $27,265,831 13,121
2025-09-30 $21,870,167 13,084
2025-06-30 $19,700,844 10,971
2025-03-31 $21,848,315 11,345
2024-12-31 $19,623,711 10,089
2024-09-30 $12,107,475 7,138
2024-06-30 $2,480,819 1,365
2022-09-30 $371,360 285
2022-06-30 $292,840 235
2022-03-31 $721,512 635
2021-12-31 $845,592 834
2021-09-30 $1,160,526 1,085
2021-06-30 $1,185,914 1,033
2021-03-31 $1,151,691 1,033
2020-12-31 $1,033,681 1,033
2020-09-30 $804,707 1,033
2020-06-30 $566,524 638
2020-03-31 $580,580 638