4 institutions reported holding $5.6M of Marex Group PLC (MRX) in SEC 13F filings for 2026-06-30. Largest institutional holders: MOODY NATIONAL BANK TRUST DIVISION ($5.6M), GAMMA Investing LLC ($25,233), MassMutual Private Wealth & Trust, FSB ($4,998), CoreCap Advisors, LLC ($610). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | MOODY NATIONAL BANK TRUST DIVISION | $5.6M | 91,388 | Added |
| 2 | GAMMA Investing LLC | $25,233 | 414 | Added |
| 3 | MassMutual Private Wealth & Trust, FSB | $4,998 | 82 | Hold |
| 4 | CoreCap Advisors, LLC | $610 | 10 | New |
Source: SEC Form 13F filings · as of 2026-06-30