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SIMPLEX TRADING, LLC

Position in MRX — Marex Group Ltd

CIK 1488542 CHICAGO, IL

Position in MRX

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$304,079
+$150,620 QoQ
Shares Held
4,989
+28.3% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#152
of 217 holders
Holding Since
Jun 2024
4 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MRX Over Time

Shares Held

Position Value (USD)

Position in Capital Markets

Financial Services · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $41,008,190 across 31 Capital Markets names. MRX ranks #16 (0.7% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MRX

Export CSV
4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $304,079 4,989
2025-06-30 $153,459 3,888
2024-12-31 $22,006 706
2024-06-30 $200 10