Simplex Trading’s Marex Group Limited Ordinary Shares MRX Stock Holding History

Simplex Trading’s Portfolio MRX Stock Details MRX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$798K	Buy	13,100 +7,900	+152%	+$435K	﹤0.01%	3030
2026 Q1	$232K	Buy	5,200 +100	+2%	+$3.95K	﹤0.01%	4129
2025 Q4	$196K	Sell	5,100 -20,000	-80%	-$680K	﹤0.01%	4256
2025 Q3	$843K	Buy	25,100 +16,400	+189%	+$592K	﹤0.01%	3226
2025 Q2	$343K	Buy	8,700 +3,200	+58%	+$133K	﹤0.01%	3912
2025 Q1	$194K	Buy	+5,500	New	+$191K	﹤0.01%	4359
2024 Q4	–	Sell	-7,300	Closed	-$172K	–	9830
2024 Q3	$172K	Buy	7,300 +5,200	+248%	+$116K	﹤0.01%	4675
2024 Q2	$42K	Buy	+2,100	New	+$41.3K	﹤0.01%	6261

Other funds holding MRX

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return

Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return

Loomis, Sayles & Company Boston, Massachusetts $79.8B AUM 16.05% 1-Year Est. Return

Samlyn Capital New York $6.14B AUM 42.05% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

OAM

Ophir Asset Management Sydney, Australia $1.22B AUM 100.03% 1-Year Est. Return

Simplex Trading's MRX Position: Q2 2026 in Review

Simplex Trading opened a new position in Marex Group Limited Ordinary Shares (MRX) in Q2 2026: 4,989 shares worth $304K. The stake represents ﹤0.01% of the portfolio and ranks #4205 among its holdings. This is a return to the name: Simplex Trading previously reported a position in MRX as recently as Q2 2025.

Simplex Trading first reported a position in MRX in Q2 2024 and has held it in 4 quarters since. 221 funds tracked by Wall St. Rank hold MRX as of Q2 2026.

Simplex Trading held 4,989 shares of Marex Group Limited Ordinary Shares worth $304K as of Q2 2026.
Marex Group Limited Ordinary Shares was a new Simplex Trading position in Q2 2026.
Marex Group Limited Ordinary Shares made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #4205 holding.
Simplex Trading first reported a position in Marex Group Limited Ordinary Shares in Q2 2024 and has held it in 4 quarters since.
221 funds tracked by Wall St. Rank held Marex Group Limited Ordinary Shares as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.