MRX Institutional Ownership
Who owns Marex Group Ltd and what the big funds did with it last quarter, from every SEC 13F filing. 222 funds reported holding MRX at Jun 30, 2026.
- ▲145 buying vs 94 selling
- ▲Shares held by funds +8.0%
- ▲Funds holding +14
- ●Superinvestors: 1 added, 1 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 222 | 208 | +6.7% |
| In funds' top 10 | 6 | 5 | +20.0% |
| 13F shares | 56.9M | 52.7M | +8.0% |
| Held by funds | – | – | – |
| New positions | 58 | 38 | +52.6% |
| Increased | 87 | 81 | +7.4% |
| Reduced | 53 | 57 | −7.0% |
| Sold out | 41 | 23 | +78.3% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in MRX
All superinvestors →
Who owns MRX
share of fund held shares- Index and passive funds16.2%
- Active managers and hedge funds70.3%
- Banks and brokers8.9%
- Pensions, insurers and other4.6%
The top 10 holders own 49.8% of all MRX shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
99 funds changed their position- Wasatch Advisors LPNew+1.7M sh
- Wasatch Advisors LPSold out−1.7M sh
- Principal Financial Group IncNew+319K sh
- Swedbank ABSold out−354K sh
- Swedbank ABNew+277K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Fmr LLC | – | 5.4M | $327M | +1.9M |
| 2 | Price T Rowe Associates Inc /md/ | – | 4.9M | $300M | +3M |
| 3 | BlackRock, Inc. | – | 4.6M | $280M | +205K |
| 4 | Capital International Investors | – | 3.3M | $199M | −224K |
| 5 | Alliancebernstein L.P. | – | 2.6M | $116M | +870K |
| 6 | Wasatch Advisors LP | – | 1.7M | $103M | +1.5M |
| 7 | Loomis Sayles & Co L P | – | 1.6M | $99.1M | −292K |
| 8 | Samlyn Capital, LLC | – | 1.5M | $90.4M | −206K |
| 9 | Invesco Ltd. | – | 1.4M | $85.6M | +32K |
| 10 | Ophir Asset Management Pty Ltd | – | 1.4M | $84.8M | +145K |
- Price T Rowe Associates Inc /md/+3M sh+$184M
- Fmr LLC+1.9M sh+$115M
- Wasatch Advisors LP+1.5M sh+$92.2M
- Morgan Stanley+692K sh+$42.2M
- Westfield Capital Management Co LP+689K sh+$42M
- Alliancebernstein L.P.+870K sh+$38.8M
- Franklin Resources Inc+480K sh+$29.2M
- Norges Bank+430K sh+$26.2M
- Jennison Associates LLC−1M sh−$61.1M
- Grandeur Peak Global Advisors, LLC−1.3M sh−$59.1M
- Artisan Partners Limited Partnership−1.2M sh−$54.2M
- Allspring Global Investments Holdings, LLC−909K sh−$39.1M
- William Blair Investment Management, LLC−557K sh−$33.9M
- Westwood Holdings Group Inc−532K sh−$32.4M
- Two Sigma Investments, LP−346K sh−$21.1M
- Deltroit Asset Management (UK) LLP−450K sh−$20.1M
MRX institutional ownership FAQ
Who owns the most MRX stock?
In Q2 2026 13F filings the largest holder of MRX was Fmr LLC, followed by Price T Rowe Associates Inc /md/ and BlackRock, Inc.. Index fund managers are usually the biggest holders of large companies.
What percentage of MRX is owned by institutions?
222 funds reported holding 56.9M MRX shares at Jun 30, 2026.
Are hedge funds buying MRX?
In Q2 2026, 145 funds bought MRX (58 of them new positions) and 94 sold (41 sold out completely). Among well known investors, 1 added and 1 cut. Our fund sentiment for MRX is bullish.
What is MRX's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this MRX ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.