Marex MRX Institutional Ownership

NASDAQ MRX

$69.65 -0.85 (-1.21%)

At close: Oct 19, 2026 · 4:00 PM EDT

Institutions by Trading Activity

212 Institutions

Increased 139 65.6%

Unchanged 20 9.4%

Reduced 53 25.0%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

79.17%

▲+5.61 pp QoQ

Shares Held by Institutions

56.49Mn

of 71.35Mn outstanding

▲+7.63% QoQ

Shares Outstanding

71.35Mn

14.86Mn held outside 13F filers

Institutional Investors

212

filed 13F for Jun 2026

▲+7 vs prior quarter

Net Shares Added (QoQ)

+4.00Mn

accumulated since last quarter

Value of Holdings

$4.08Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Marex Group Ltd (NASDAQ:MRX) counted 212 institutional investors among its 13F-reported shareholders for the quarter ended June 30, 2026.

Together they owned 79.17% of the outstanding stock in Q2 2026, up from 73.56% a quarter earlier.
Total shares held in Marex rose 7.63% versus Q1 2026, while the number of holders rose 11.58% versus Q2 2025.
Looking at the 212 holders of MRX individually, 139 added to their positions, 53 reduced their stakes and 20 left their positions unchanged.
Altogether, institutional holders owned 56.49Mn MRX shares at the end of Q2 2026, up 4Mn from the prior quarter and up 8.06Mn from a year earlier.
As of June 30, 2026, FMR LLC held the largest stake in Marex with 5.37Mn shares, or 7.52% of shares outstanding.
The biggest increases in MRX positions during Q2 2026 came from T. Rowe Price Associates Inc (+3.02Mn shares), FMR LLC (+1.89Mn shares), Wasatch Advisors LP (+1.51Mn shares), AllianceBernstein L.P. (+870.31K shares) and Morgan Stanley (+692.42K shares).
On the other side, among holders that kept a position in Marex, the largest reductions in Q2 2026 came from Jennison Associates LLC (-1Mn shares), William Blair Investment Management, LLC (-556.98K shares), Westwood Holdings Group Inc (-532.16K shares), Two Sigma Investments, LP (-346.12K shares) and Loomis Sayles & Co L.P. (-291.92K shares).
Marex's 10 largest institutional shareholders as of Q2 2026 were FMR LLC (5.37Mn shares), T. Rowe Price Associates Inc (4.92Mn shares), BlackRock, Inc. (4.59Mn shares), Capital International Investors (3.26Mn shares), AllianceBernstein L.P. (2.6Mn shares), Wasatch Advisors LP (1.68Mn shares), Loomis Sayles & Co L.P. (1.63Mn shares), Samlyn Capital, LLC (1.48Mn shares), Invesco Ltd. (1.4Mn shares) and Ophir Asset Management Pty Ltd (1.39Mn shares), per Business Quant data.

Form 13F Holdings

212 Institutional Holders

Report period 30 Jun, 2026

Total shares held 56.49Mn

Of outstanding 79.17%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	FMR LLC	0000315066	5,368,485	7.52%	▲1,886,574	+54.18%	$327.21Mn
2	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	4,923,341	6.90%	▲3,017,312	+158.30%	$300.08K
3	BlackRock, Inc.	0002012383	4,594,149	6.44%	▲204,824	+4.67%	$280.01Mn
4	Capital International Investors	0001562230	3,264,364	4.57%	▼223,729	-6.41%	$198.96Mn
5	ALLIANCEBERNSTEIN L.P.	0001109448	2,600,436	3.64%	▲870,311	+50.30%	$115.93Mn
6	WASATCH ADVISORS LP	0000814133	1,683,061	2.36%	▲1,511,952	+883.62%	$102.58Mn
7	LOOMIS SAYLES & CO L P	0000312348	1,626,702	2.28%	▼291,920	-15.22%	$99.15Mn
8	SAMLYN CAPITAL, LLC	0001421097	1,483,250	2.08%	▼205,627	-12.18%	$90.40Mn
9	Invesco Ltd.	0000914208	1,404,552	1.97%	▲31,784	+2.32%	$85.61Mn
10	Ophir Asset Management Pty Ltd	0001844640	1,391,511	1.95%	▲144,965	+11.63%	$84.81Mn
11	TWO SIGMA INVESTMENTS, LP	0001179392	1,335,436	1.87%	▼346,124	-20.58%	$81.39Mn
12	VICTORY CAPITAL MANAGEMENT INC	0001040188	1,291,337	1.81%	▼23,479	-1.79%	$78.71Mn
13	Granahan Investment Management, LLC	0001026710	1,254,283	1.76%	▲30,533	+2.50%	$76.45Mn
14	Morgan Stanley	0000895421	1,169,722	1.64%	▲692,424	+145.07%	$71.29Mn
15	ROYCE & ASSOCIATES LP	0000906304	1,111,339	1.56%	▼141,451	-11.29%	$67.68Mn
16	HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	0001535845	1,043,286	1.46%	▲314,286	+43.11%	$61.49Mn
17	State Street Corp	0000093751	1,026,731	1.44%	▲153,270	+17.55%	$62.58Mn
18	WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	0001644956	1,009,199	1.41%	▼556,982	-35.56%	$61.51Mn
19	Ameriprise Financial Inc	0000820027	904,162	1.27%	▼50,080	-5.25%	$55.11Mn
20	GEODE CAPITAL MANAGEMENT, LLC	0001214717	897,253	1.26%	▲170,759	+23.50%	$52.88Mn

Showing 1 to 20 of 212 holders