Marex UK HoldingsMRX
13F holders, Q3 2024 (September 30)71holders +11
25new positions
14sold out
4famous investors
$23.68avg. 13F price*
At the end of Q3 2024, 71 institutions reported holding Marex UK Holdings Ltd. (MRX) in their 13F filings, up 11 from Q2 2024. 25 opened new positions and 14 sold out. The largest holders were Capital International Investors ($35.4M), William Blair Investment Management, LLC ($34.0M) and Granahan Investment Management, LLC ($29.1M). 4 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Marex UK Holdings Ltd.
- Filed as
- MAREX GROUP PLC (Q3 2024)
- CUSIP
- G5S37H101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 25 | $58.4M |
| Exits | 14 | $29.0M |
All 13F filers, Q2 2024 → Q3 2024: 4,423,915 shares bought and 2,391,133 shares sold, net +2,032,782 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 71 holders
| Capital International Investors | 0.01% | No change | 1,500,000 | $35.4M |
| William Blair Investment Management, LLC | 0.08% | Reduce -0.3% | 1,437,590 | $34.0M |
| Granahan Investment Management, LLC | 1.15% | Reduce -3.2% | 1,233,112 | $29.1M |
| Royce & Associates LP | 0.26% | Reduce -7.8% | 1,216,600 | $28.7M |
| Jennison Associates LLC | 0.02% | Add +86.9% | 1,115,389 | $26.3M |
| BlackRock, Inc. | 0.00% | — | 825,458 | $19.5M |
| Sparta 24 Ltd. | 17.56% | New | 812,068 | $19.2M |
| Grandeur Peak Global Advisors, LLC | 1.38% | Add +1416.1% | 706,128 | $16.7M |
| Allspring Global Investments Holdings, LLC | 0.03% | Reduce -1.4% | 702,940 | $16.6M |
| Amundi | 0.01% | New | 576,400 | $14.7M |
| Adage Capital Partners Gp, L.L.C. | 0.02% | Reduce -22.3% | 533,292 | $12.6M |
| Principal Financial Group Inc. | 0.01% | Add +5.5% | 521,348 | $12.3M |
| Morgan Stanley | 0.00% | Add +238.1% | 503,666 | $11.9M |
| Citadel Advisors | 0.01% | Reduce -41.3% | 493,156 | $11.6M |
| Millennium Management | 0.01% | Add +9.4% | 456,096 | $10.8M |
| Goldman Sachs Group Inc. | 0.00% | New | 441,678 | $10.4M |
| Marshall Wace, LLP | 0.01% | Add +17.0% | 401,886 | $9.5M |
| Samlyn Capital, LLC | 0.14% | Reduce -3.0% | 360,089 | $8.5M |
| North Reef Capital Management LP | 0.34% | Reduce -27.5% | 308,045 | $7.3M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | No change | 250,000 | $5.9M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -19.7% | 186,359 | $4.4M |
| Lord, Abbett & Co. LLC | 0.01% | Add +1.2% | 164,125 | $3.9M |
| Russell Investments Group, Ltd. | 0.01% | Add +139.3% | 159,075 | $3.8M |
| Bank of America Corp. | 0.00% | Add +100.4% | 148,941 | $3.5M |
| Renaissance Technologies | 0.01% | New | 141,600 | $3.3M |
| State of Wisconsin Investment Board | 0.01% | No change | 130,500 | $3.1M |
| Two Sigma Investments, LP | 0.01% | Reduce -8.1% | 128,713 | $3.0M |
| Ghisallo Capital Management LLC | 0.13% | No change | 100,000 | $2.4M |
| Cantor Fitzgerald, L. P. | 0.21% | Add +59.4% | 95,652 | $2.3M |
| JPMorgan Chase & Co. | 0.00% | Add +1711.3% | 81,797 | $1.9M |
| Boston Partners | 0.00% | Add +38.7% | 77,079 | $1.8M |
| Seven Grand Managers, LLC | 0.39% | No change | 75,000 | $1.8M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.2% | 67,188 | $1.6M |
| Moody National Bank Trust Division | 0.17% | New | 66,578 | $1.6M |
| Man Group plc | 0.00% | New | 55,736 | $1.3M |
| Kodai Capital Management LP | 0.03% | Reduce -41.8% | 55,432 | $1.3M |
| Walleye Capital LLC | 0.01% | New | 51,612 | $1.2M |
| Norges Bank | 0.00% | No change | 50,000 | $1.2M |
| Quadrature Capital Ltd | 0.02% | New | 44,199 | $1.0M |
| Cubist Systematic Strategies, LLC | 0.01% | New | 35,255 | $833K |
| American Century Companies Inc. | 0.00% | Reduce -1.4% | 34,337 | $811K |
| XTX Topco Ltd | 0.05% | New | 30,839 | $728K |
| Two Sigma Advisers, LP | 0.00% | Reduce -6.8% | 29,900 | $706K |
| Squarepoint Ops LLC | 0.00% | Reduce -47.1% | 28,500 | $673K |
| Sei Investments Co. | 0.00% | Add +13.4% | 27,306 | $645K |
| Jane Street Group, LLC | 0.00% | New | 24,227 | $572K |
| Y-Intercept (Hong Kong) Ltd | 0.03% | Add +14.8% | 21,806 | $515K |
| Jump Financial, LLC | 0.01% | New | 21,122 | $499K |
| Ameriprise Financial Inc. | 0.00% | New | 19,588 | $463K |
| Occudo Quantitative Strategies LP | 0.08% | New | 18,687 | $441K |
| Point72 (DIFC) Ltd | 0.03% | Reduce -29.5% | 18,405 | $435K |
| Point72 Asset Management | 0.00% | Add +153.7% | 17,600 | $416K |
| Verition Fund Management LLC | 0.00% | New | 15,844 | $374K |
| Janney Capital Management LLC | 0.02% | New | 15,332 | $362K |
| UBS Group AG | 0.00% | Reduce -17.3% | 14,936 | $353K |
| Corsair Capital Management, L.P. | 0.08% | New | 14,932 | $353K |
| Susquehanna International Group, LLP | 0.00% | Add +20.8% | 13,812 | $326K |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 11,422 | $270K |
| Quantbot Technologies LP | 0.01% | Add +197.2% | 11,027 | $260K |
| Centiva Capital, LP | 0.01% | New | 10,134 | $239K |
| Sandia Investment Management LP | 0.38% | Reduce -63.6% | 10,000 | $236K |
| Federated Hermes, Inc. | 0.00% | Add +204.9% | 10,000 | $236K |
| Engineers Gate Manager LP | 0.00% | New | 9,924 | $234K |
| Virtu Financial LLC | 0.01% | New | 9,189 | $217K |
| State of Wyoming | 0.01% | New | 2,174 | $51K |
| Assetmark, Inc. | 0.00% | Add +18.3% | 1,810 | $43K |
| Wells Fargo & Company | 0.00% | Reduce -7.1% | 1,480 | $35K |
| nVerses Capital, LLC | 0.00% | New | 400 | $9K |
| WealthCollab, LLC | 0.00% | New | 75 | $2K |
| Hexagon Capital Partners LLC | 0.00% | New | 20 | $472 |
| Citigroup Inc. | 0.00% | No change | 10 | $236 |
"% of holder's portfolio" is MRX's weight in each manager's 13F, not the share of Marex UK Holdings Ltd. the manager owns.