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SIMPLEX TRADING, LLC

Position in MKL — Markel Group Inc.

CIK 1488542 CHICAGO, IL

Position in MKL

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$524,455
-$851,320 QoQ
Shares Held
274
-57.2% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
16 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in MKL Over Time

Shares Held

Position Value (USD)

Position in Insurance - Property & Casualty

Financial Services · as of Mar 31, 2026

SIMPLEX TRADING, LLC holds $2,895,454 across 17 Insurance - Property & Casualty names. MKL ranks #2 (18.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MKL
Markel Group Inc.
This page
274 $524,455

All Filings in MKL

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16 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $524,455 274
2025-12-31 $1,375,775 640
2025-09-30 $95,568 50
2024-12-31 $8,631 5
2024-09-30 $17,254 11
2024-06-30 $341,918 217
2023-09-30 $977,733 664
2023-06-30 $849,272 614
2023-03-31 $1,587,820 1,243
2022-12-31 $405,786 308
2021-09-30 $16,731 14
2021-06-30 $135,284 114
2021-03-31 $115,101 101
2020-09-30 $529,692 544
2020-06-30 $156,938 170
2020-03-31 $157,741 170