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MRX · Marex Group Ltd

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$72.99 +3.40 (+4.89%) At close · Aug 21
Market Cap
$4.36B
Shares
71.93M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 219
Total Value: $3,471,703,861
Total Shares: 56,959,869

Institutional Ownership Trend

9 quarters

Holder Concentration

Across 219 13F filers · Δ vs Mar 31, 2026
Top Holder
9.4%
Jun 2024 → Jun 2026 · range 6.9% – 11.1%
+1.1 pts
Top 5
36.4%
Jun 2024 → Jun 2026 · range 22.7% – 43.2%
+7.5 pts
Top 10
49.8%
Jun 2024 → Jun 2026 · range 36.0% – 66.5%
+5.1 pts
HHI
375
Jun 2024 → Jun 2026 · range 221 – 553
Broadly held+69

Quarterly Activity

vs Mar 31, 2026
New
55
Increased
89
Decreased
54
Sold Out
41
Unchanged
21
Holder count: +14
Institutional value: +48.2%
Shares held: +8.4%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 221
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1997464 CUSIP G5T40M104 13F (30d) 201 filings 199 filers Visit website Investor relations