Skip to main content

Calamos Advisors LLC

Position in MRX — Marex Group Ltd

CIK 1316507 NAPERVILLE, IL

Position in MRX

as of Jun 30, 2026 · filed Jul 31, 2026
Position Value
$7,625,332
+$2,716,451 QoQ
Shares Held
125,108
+13.6% QoQ
Ownership
0.174%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#66
of 217 holders
Holding Since
Dec 2024
6 quarters on record
Voting authority Sole 98% Shared 0% None 2%

Common Shares in MRX Over Time

Shares Held

Position Value (USD)

Position in Capital Markets

Financial Services · as of Jun 30, 2026

Calamos Advisors LLC holds $299,862,280 across 6 Capital Markets names. MRX ranks #4 (2.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 MRX
Marex Group Ltd
This page
125,108 $7,625,332

All Filings in MRX

Export CSV
6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $7,625,332 125,108
2026-03-31 $4,908,881 110,114
2025-12-31 $3,191,781 83,206
2025-06-30 $1,502,819 38,075
2025-03-31 $2,985,810 84,536
2024-12-31 $2,382,478 76,435