Marex Group plc Ordinary Shares Ownership | Who Owns Marex Group plc Ordinary Shares?

Marex Group plc Ordinary Shares Ownership Summary

Marex Group plc Ordinary Shares is owned by 6.74% institutional investors, 24.74% insiders, and 68.52% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 5.55% of MRX shares.

MRX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Marex Group plc Ordinary Shares	6.74%	24.74%	68.52%
Sector	Financial Services Stocks	32.19%	15.44%	52.37%
Industry	Capital Markets Stocks	28.36%	14.01%	57.63%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	3.97M	5.55%	$152.16M
Capital investors	3.49M	4.88%	$133.80M
Loomis sayles & co l p	1.94M	2.71%	$74.25M
Grandeur peak global advisors	1.75M	2.45%	$58.96M
William blair investment management	1.74M	2.43%	$66.71M
Alliancebernstein	1.56M	2.18%	$52.41M
Jennison associates	1.48M	2.06%	$56.59M
Adage capital partners gp	1.33M	1.86%	$44.80M
Royce & associates lp	1.26M	1.76%	$48.36M
Invesco	1.21M	1.70%	$40.77M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Praetorian pr	400.00K	8.08%	$13.45M
Grandeur peak global advisors	1.75M	7.91%	$58.96M
Engle capital management	330.12K	3.91%	$11.10M
Granahan investment management	1.05M	1.45%	$35.47M
Globeflex capital l p	215.61K	1.27%	$8.27M
Moody aldrich partners	139.79K	1.12%	$6.23M
Sparta 24	32.58K	1.07%	$1.25M
Burkehill global management, lp	500.00K	0.96%	$16.81M
Seven grand managers	250.00K	0.73%	$9.59M
Militia capital partners, lp	36.00K	0.57%	$1.21M

Top Buyers

Holder	Shares	% Assets	Change
William blair investment management	1.74M	0.19%	1.37M
Price t rowe associates inc /md/	1.21M	0.00%	1.20M
Man group	615.44K	0.04%	615.44K
Fmr	756.39K	0.00%	602.28K
Balyasny asset management	523.89K	0.03%	523.89K

Top Sellers

Holder	Shares	% Assets	Change
Granahan investment management	1.05M	1.45%	-1.02M
Jefferies financial group	-	-	-1.00M
Driehaus capital management	-	-	-753.65K
Amundi	-	-	-646.77K
Victory capital management	-	-	-617.36K

New Positions

Holder	Shares	% Assets	Change	Value
Man group	615.44K	0.04%	615.44K	$20.69M
Praetorian pr	400.00K	8.08%	400.00K	$13.45M
Swedbank ab	213.41K	0.01%	213.41K	$8.19M
Creative planning	120.66K	0.00%	120.66K	$4.06M
Aquatic capital management	95.75K	0.06%	95.75K	$3.22M

Sold Out

Holder	Change
Kilter group	-6.00
Principal securities	-17.00
Creative financial designs inc /adv	-24.00
Montag a & associates	-27.00
Clear street markets	-34.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	48	-76.00%	4,817,215	-90.62%	6	0.13%	32	-74.60%	12	-78.57%
Sep 30, 2025	55	-71.05%	5,713,498	-87.64%	7	0.24%	35	-77.27%	15	-46.43%
Jun 30, 2025	198	57.14%	50,569,411	85.13%	63	4.18%	158	113.51%	30	-18.92%
Mar 31, 2025	127	16.51%	27,342,205	2.92%	38	3.35%	74	-13.95%	37	117.65%
Dec 31, 2024	1	-	1	-	-	-	1	-	-	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Apr 20, 2026	Van Den Born Simon	President	Sell	$33.15K
Apr 20, 2026	Van Den Born Simon	President	Sell	$642.77K
Apr 13, 2026	Tonucci Paolo	See Remarks	Sell	$300.52K
Apr 13, 2026	Tonucci Paolo	See Remarks	Sell	$213.46K
Apr 13, 2026	Tonucci Paolo	See Remarks	Sell	$342.06K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	9
2026 Q1	-	-
2012 Q4	-	-
2012 Q3	-	2
2012 Q2	-	-

MRX Ownership FAQ

Who Owns Marex Group plc Ordinary Shares?

Marex Group plc Ordinary Shares shareholders are primarily institutional investors at 6.74%, followed by 24.74% insiders and 68.52% retail investors. The average institutional ownership in Marex Group plc Ordinary Shares's industry, Capital Markets Stocks, is 28.36%, which Marex Group plc Ordinary Shares falls below.

Who owns the most shares of Marex Group plc Ordinary Shares?

Marex Group plc Ordinary Shares’s largest shareholders are Blackrock funding, inc. /de (3.97M shares, 5.55%), Capital investors (3.49M shares, 4.88%), and Loomis sayles & co l p (1.94M shares, 2.71%). Together, they hold 13.14% of Marex Group plc Ordinary Shares’s total shares outstanding.

Does Blackrock own Marex Group plc Ordinary Shares?

BlackRock is not among the top 10 institutional shareholders of Marex Group plc Ordinary Shares.

Who is Marex Group plc Ordinary Shares’s biggest shareholder by percentage of total assets invested?

Praetorian pr is Marex Group plc Ordinary Shares’s biggest shareholder by percentage of total assets invested, with 8.08% of its assets in 400K Marex Group plc Ordinary Shares shares, valued at 13.45M$.

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