Marex Group Ltd
MRX- Exchange
- Nasdaq
- Industry
- Security & Commodity Brokers, Dealers, Exchanges & Services
- SEC CIK
- 0001997464
In the last 90 days, Marex Group Ltd insiders filed 0 open-market purchases and 6 sales; 222 institutions reported holding it in 13F filings for Q2 2026, worth $3.43B in total; no superinvestor holds it.
Holders of 5% or more of MRX
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Marex Group Ltd, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| FMR LLC | 13G/A | 7.50%5.37M shares | +2.40 ppfrom 5.10% | May 6, 20262 filings | Aug 6, 2026 | SEC |
| Price T Rowe Associates Inc | 13G | 6.80%4.92M shares | New | Aug 14, 20261 filing | Aug 14, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
11 Schedule 13D and 13G filings on Marex Group Ltd, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 202610:38 AM ET | Price T Rowe Associates Inc | 13G | 6.80%4.92M shares | New | Jun 30, 2026 | SEC |
| Aug 10, 202610:31 AM ET | JRJ Investor 1 Limited Partnershipand 4 others | 13G/A | 0.00%0 shares | −9.99 ppfrom 9.99%Below 5% | Jun 30, 2026 | SEC |
| Aug 10, 202610:29 AM ET | MASP Investor Limited Partnershipand 2 others | 13G/A | 0.00%0 shares | −7.01 ppfrom 7.01%Below 5% | Jun 30, 2026 | SEC |
| Aug 6, 202610:33 AM ET | FMR LLCand 1 other | 13G/A | 7.50%5.37M shares | +2.40 ppfrom 5.10% | Jun 30, 2026 | SEC |
| May 6, 202611:30 AM ET | FMR LLCand 1 other | 13G | 5.10%3.72M shares | New | Mar 31, 2026 | SEC |
| Jul 28, 20254:08 PM ET | Ocean Ring Jersey Co Ltdand 4 others | 13G/A | 0.00%0 shares | –Below 5% | Jun 30, 2025 | SEC |
| Jul 24, 20255:01 PM ET | JRJ Investor 1 Limited Partnershipand 4 others | 13G/A | 9.99%7.16M shares | – | Jun 30, 2025 | SEC |
| Jul 24, 20255:01 PM ET | MASP Investor Limited Partnershipand 2 others | 13G/A | 7.01%5.02M shares | – | Jun 30, 2025 | SEC |
| Nov 14, 20245:28 PM ET | Ocean Ring Jersey Co Ltd | 13GOld format | – | New | – | SEC |
| Nov 14, 20247:16 AM ET | MASP Investor Limited Partnership | 13GOld format | – | New | – | SEC |
| Nov 14, 20247:14 AM ET | JRJ Investor 1 Limited Partnership | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
15 notices from officers, directors and other affiliates planning to sell Marex Group Ltd shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Dec 8, 20256:22 PM ETAmended | Simon Van Den BornOfficer | 56.0K | $1.96M | Oct 6, 202510b5-1 | Goldman Sachs & Co. LLC | SEC |
| Nov 24, 20257:51 AM ET | Sarah IngDirector | 6.81K | $216.0K | Nov 24, 2025 | Winterflood Business Services | SEC |
| Nov 12, 20254:50 PM ET | Nilesh Kumar JethwaOfficer | 105.6K | $3.69M | Nov 12, 202510b5-1 | Goldman Sachs & Co. LLC | SEC |
| Oct 6, 20254:48 PM ET | Thomas Hugues TexierOfficer | 12.9K | $374.6K | Oct 6, 202510b5-1 | Goldman Sachs & Co. LLC | SEC |
| Jun 23, 20254:08 PM ET | Ian LowittCEO | 210.0K | $8.22M | Jun 23, 202510b5-1 | J.P. Morgan Securities LLC | SEC |
| Jun 16, 20255:58 PM ET | Simon Van Den BornOfficer | 56.0K | $2.19M | Jun 16, 202510b5-1 | Goldman Sachs & Co. LLC | SEC |
| Jun 16, 20255:52 PM ET | Nilesh Kumar JethwaOfficer | 60.9K | $2.39M | Jun 16, 202510b5-1 | Goldman Sachs & Co. LLC | SEC |
| Jun 16, 20255:52 PM ET | Thomas Hugues TexierOfficer | 17.1K | $671.9K | Jun 16, 202510b5-1 | Goldman Sachs & Co. LLC | SEC |
| Jun 16, 20255:51 PM ET | Paolo Roberto TonucciOfficer | 66.7K | $2.61M | Jun 16, 202510b5-1 | Goldman Sachs & Co. LLC | SEC |
| May 28, 20257:40 PM ET | Amphitryon Limited (In Liquidation)10% stockholder | 2.20M | $95.2M | May 30, 2025 | Jefferies LLC | SEC |
| May 28, 20257:39 PM ET | MASP Investor Limited Partnership10% stockholder | 1.54M | $66.8M | May 30, 2025 | Jefferies LLC | SEC |
| Mar 12, 20255:15 PM ET | Crispin Robert John IrvinOfficer | 2.48K | $78.7K | Mar 12, 2025 | Goldman Sachs & Co. LLC | SEC |
| Mar 10, 20255:43 PM ET | Simon Van Den BornOfficer | 26.7K | $972.5K | Mar 10, 2025 | Goldman Sachs & Co. LLC | SEC |
| Mar 10, 20254:47 PM ET | Nilesh Kumar JethwaOfficer | 299.5K | $9.51M | Mar 10, 2025 | Goldman Sachs & Co. LLC | SEC |
| Mar 10, 20254:47 PM ET | Paolo Roberto TonucciOfficer | 100.0K | $3.64M | Mar 10, 2025 | Goldman Sachs & Co. LLC | SEC |