Who Owns MRX?
Marex Group plc Ordinary Shares — Institutional Ownership & 13F Holdings
$53.50
+0.70 (+1.33%)
Market Cap
$3.8B
Shares Outstanding
71,930,870
Institutional Holders
119
Total Inst. Value
$243.6B
% of Float Held
53.2%
QoQ Holder Change
—
Institutional data as of Q1 2025
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | THORNBURG INVESTMENT MANAGEMENT INC | $242.9B | 687,673 |
| 2 | Capital International Investors | $107.2M | 3,034,458 |
| 3 | Granahan Investment Management, LLC | $74.8M | 2,117,060 |
| 4 | JENNISON ASSOCIATES LLC | $55.3M | 1,565,203 |
| 5 | ROYCE & ASSOCIATES LP | $51.4M | 1,455,209 |
| 6 | LOOMIS SAYLES & CO L P | $51.4M | 1,454,021 |
| 7 | Grandeur Peak Global Advisors, LLC | $45.7M | 1,295,176 |
| 8 | MORGAN STANLEY | $35.4M | 1,001,012 |
| 9 | Sparta 24 Ltd. | $34.4M | 974,135 |
| 10 | BlackRock, Inc. | $28.0M | 793,740 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| Capital International Investors | +437K | $107.2M |
| ROYCE & ASSOCIATES LP | +6K | $51.4M |
| Grandeur Peak Global Advisors, LLC | +209K | $45.7M |
| Amundi | +48K | $24.0M |
| JPMORGAN CHASE & CO | +92K | $13.3M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | -828K | $59K |
| JENNISON ASSOCIATES LLC | -499K | $55.3M |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | -267K | $6.5M |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | -259K | $16K |
| Allspring Global Investments Holdings, LLC | -179K | $25.4M |
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Frequently Asked Questions
How many institutional investors hold MRX?
As of Q1 2025, 119 institutional investors report holding MRX (Marex Group plc Ordinary Shares) in their 13F filings.
What percentage of Marex Group plc Ordinary Shares is owned by institutions?
Institutional investors hold approximately 53.2% of Marex Group plc Ordinary Shares's float as reported in SEC 13F filings.
Which hedge fund owns the most MRX?
The largest institutional holder of MRX is THORNBURG INVESTMENT MANAGEMENT INC with $242.9B in shares.
Are institutions buying or selling MRX?
This quarter, 36 institutions opened new positions in MRX and 21 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.