MAREX GROUP PLC (MRX) Institutional Ownership Changes & 13F Activity
MAREX GROUP PLC (MRX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Price T Rowe Associates Inc, Invesco Ltd., Ameriprise Financial Inc, Alliancebernstein L.P., and Westwood Holdings Group Inc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Envestnet Asset Management Inc | Buy | +10,800 | +14.2% | 87,087 | $5.31M | Q2 2026 | Sep 23, 2026 |
| State Street Corp | Buy | +153,270 | +17.5% | 1,026,731 | $62.58M | Q2 2026 | Sep 22, 2026 |
| Manufacturers Life Insurance Company, The | Sell | -21,772 | -7.0% | 289,033 | $17.62M | Q2 2026 | Sep 09, 2026 |
| Brown, Lisle/Cummings, Inc. | Buy | +15 | +26.8% | 71 | $4.33K | Q2 2026 | Sep 02, 2026 |
| California State Teachers Retirement System | Sell | -2,124 | -71.2% | 858 | $52.30K | Q2 2026 | Aug 24, 2026 |
| Mercer Global Advisors Inc | Buy | +1,390 | +28.2% | 6,320 | $385.21K | Q2 2026 | Aug 19, 2026 |
| Formula Growth Ltd | Buy | +13,700 | — | 13,700 | $835.01K | Q2 2026 | Aug 17, 2026 |
| Price T Rowe Associates Inc | Buy | +3,017,312 | +158.3% | 4,923,341 | $300.08M | Q2 2026 | Aug 14, 2026 |
| Invesco Ltd. | Buy | +1,404,552 | — | 1,404,552 | $85.61M | Q2 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Buy | +904,162 | — | 904,162 | $55.11M | Q2 2026 | Aug 14, 2026 |
| Alliancebernstein L.P. | Buy | +870,311 | +50.3% | 2,600,436 | $115.93M | Q2 2026 | Aug 14, 2026 |
| Westwood Holdings Group Inc | Sell | -532,163 | -98.9% | 5,693 | $346.99K | Q2 2026 | Aug 14, 2026 |
| Tudor Investment Corp Et Al | Buy | +372,910 | — | 372,910 | $22.73M | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Sell | -346,124 | -20.6% | 1,335,436 | $81.39M | Q2 2026 | Aug 14, 2026 |
| Loomis Sayles & Co L P | Sell | -291,920 | -15.2% | 1,626,702 | $99.15M | Q2 2026 | Aug 14, 2026 |
| Balyasny Asset Management L.P. | Sell | -277,875 | -80.2% | 68,815 | $4.19M | Q2 2026 | Aug 14, 2026 |
| Alyeska Investment Group, L.P. | Buy | +227,782 | +1346.8% | 244,695 | $14.91M | Q2 2026 | Aug 14, 2026 |
| Samlyn Capital, Llc | Sell | -205,627 | -12.2% | 1,483,250 | $90.40M | Q2 2026 | Aug 14, 2026 |
| Voloridge Investment Management, Llc | Sell | -193,946 | -86.4% | 30,567 | $1.86M | Q2 2026 | Aug 14, 2026 |
| Ophir Asset Management Pty Ltd | Buy | +144,965 | +11.6% | 1,391,511 | $84.81M | Q2 2026 | Aug 14, 2026 |
| Qube Research & Technologies Ltd | Sell | -143,173 | -24.2% | 449,433 | $27.39M | Q2 2026 | Aug 14, 2026 |
| Royce & Associates Lp | Sell | -141,451 | -11.3% | 1,111,339 | $67.68M | Q2 2026 | Aug 14, 2026 |
| Susquehanna Fundamental Investments, Llc | Buy | +139,758 | +884.7% | 155,555 | $9.48M | Q2 2026 | Aug 14, 2026 |
| Engle Capital Management, L.P. | Sell | -121,959 | -60.7% | 79,037 | $4.82M | Q2 2026 | Aug 14, 2026 |
| Wellington Management Group Llp | Buy | +119,563 | +18.2% | 775,023 | $47.24M | Q2 2026 | Aug 14, 2026 |
| Bank Of America Corp | Sell | -93,741 | -24.3% | 291,285 | $17.75M | Q2 2026 | Aug 14, 2026 |
| Thrivent Financial For Lutherans | Buy | +74,611 | — | 74,611 | $4.55M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Buy | +69,645 | +14.4% | 551,753 | $33.63M | Q2 2026 | Aug 14, 2026 |
| Hrt Financial Lp | Buy | +61,382 | +37.0% | 227,503 | $13.87M | Q2 2026 | Aug 14, 2026 |
| Raymond James Financial Inc | Buy | +56,322 | +65.3% | 142,547 | $8.69M | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about MRX activity
Which institutional owners are buying MRX?
Institutional owners buying MRX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in MRX activity?
"Buy" means an investor increased their reported position in MRX compared to the prior reporting period. This reflects growing exposure to MAREX GROUP PLC (MRX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in MRX increasing?
Institutional interest in MRX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related MRX Institutional Insights
- MRX Overview
- MRX 13F Institutional Holders
- MRX Superinvestors
- Financial Services Sector Institutional Ownership
- Financial Services Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Financial Services Stocks By Institutional Investors
- Most Sold Financial Services Stocks By Institutional Investors
- MRX Insider Trading & SEC Form 4 Activity
- MRX Articles
- Top Institutional Investor Stock Rankings