MAREX GROUP PLC (MRX) is held by 120 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Are institutions buying or selling MRX?

In Q1 2026, 74 institutions opened or increased positions in MAREX GROUP PLC while 45 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on MRX?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for MAREX GROUP PLC.

How many hedge funds hold MRX?

120 institutional investors report holding MAREX GROUP PLC (MRX) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into MRX?

As of Q1 2026, tracked institutions in MAREX GROUP PLC show 74 buyers versus 45 sellers — net inflows.

MAREX GROUP PLC

MRX·G5S37H101·US·Common Stock·Financial Services - Capital Markets-13D/G

120

Holders

(10 Elite)

$1.9B

Total Value

62% (119)

Consensus

74 buying - 45 selling

13F: Mar 31, 2026Insider & Congress: Updated regularly

Smart Money Verdict

View all

Held by 120 funds

10 elite

Who's Trading

InsiderLTLowitt Ian TSell $1.8MJul 13, 2026

InsiderLTLowitt Ian TSell $581KJul 13, 2026

InsiderLTLowitt Ian TSell $52KJul 13, 2026

InsiderTPTonucci PaoloSell $761KJul 13, 2026

InsiderTPTonucci PaoloSell $297KJul 13, 2026

InsiderTPTonucci PaoloSell $15KJul 13, 2026

Activist

FMR LLC5.1%May 6, 2026

InsiderTTTexier ThomasSell $625KMay 1, 2026

InsiderTTTexier ThomasSell $139KMay 1, 2026

ActivistOROcean Ring Jersey Co Limited0.0%Jul 28, 2025

View all insider trades View all activist filings

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	4.4M(+10.7%)	$195.7M	0.0%	+79.27%	34
Capital International Investors	Unchanged	3.5M	$155.5M	0.0%	+138.42%	0
FMR LLC	Increased	3.5M(+160.9%)	$155.2M	0.0%	+66.01%	49
LOOMIS SAYLES & CO L P	Decreased	1.9M(-0.9%)	$85.5M	0.1%	+86.14%	0
PRICE T ROWE ASSOCIATES INC /MD/	Increased	1.9M(+23.1%)	$85M	0.0%	+81.45%	36
TWO SIGMA INVESTMENTS, LP	Increased	1.7M(+86.2%)	$75M	0.1%	+77.11%	46
JENNISON ASSOCIATES LLC	Increased	1.6M(+8.9%)	$71.6M	0.0%	+140.82%	32
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	Decreased	1.6M(-9.9%)	$69.8M	0.2%	+84.01%	0
ALLIANCEBERNSTEIN L.P.	Decreased	1.7M(-1.1%)	$66.4M	0.0%	+69.30%	0
Invesco Ltd.	Increased	1.4M(+6.0%)	$61.2M	0.0%	+65.62%	31
VICTORY CAPITAL MANAGEMENT INC	Increased	1.3M(+96.2%)	$58.6M	0.0%	+64.08%	47
ROYCE & ASSOCIATES LP	Decreased	1.3M(-0.6%)	$55.8M	0.6%	+158.33%	0
Artisan Partners Limited Partnership	Increased	1.2M(+34.5%)	$54.2M	0.1%	+65.68%	38
AMERIPRISE FINANCIAL INC	Increased	954,242(+11.0%)	$42.5M	0.0%	+65.61%	32
Allspring Global Investments Holdings, LLC	Increased	908,596(+11.5%)	$39.1M	0.1%	+157.89%	32
STATE STREET CORP	Increased	873,461(+4.0%)	$38.9M	0.0%	+76.91%	30
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	Decreased	729,000(-34.6%)	$32.5M	0.1%	+96.04%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	726,494(+2.4%)	$32.4M	0.0%	+83.13%	30
WELLINGTON MANAGEMENT GROUP LLP	Decreased	655,460(-13.7%)	$29.2M	0.0%	+83.94%	0
Qube Research & Technologies Ltd	Decreased	592,606(-22.4%)	$26.4M	0.0%	+81.76%	0