SEI Investments’s Marex Group Limited Ordinary Shares MRX Stock Holding History

SEI Investments’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	–	Sell	-354,325	Closed	-$15.8M	–	3418
2026 Q1	$15.8M	Buy	354,325 +2,742	+0.8%	+$108K	0.01%	896
2025 Q4	$13.5M	Buy	351,583 +1,708	+0.5%	+$58.1K	0.01%	912
2025 Q3	$11.8M	Buy	349,875 +54,140	+18%	+$1.96M	0.01%	951
2025 Q2	$11.7M	Buy	295,735 +258,720	+699%	+$10.8M	0.01%	921
2025 Q1	$1.31M	Sell	37,015 -10,389	-22%	-$362K	﹤0.01%	1801
2024 Q4	$1.48M	Buy	47,404 +20,098	+74%	+$563K	﹤0.01%	1782
2024 Q3	$645K	Buy	27,306 +3,222	+13%	+$71.9K	﹤0.01%	2092
2024 Q2	$482K	Buy	+24,084	New	+$473K	﹤0.01%	2168

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

SEI Investments's MRX Position: Q2 2026 in Review

SEI Investments sold out of Marex Group Limited Ordinary Shares (MRX) in Q2 2026, closing a stake of 354,325 shares — an estimated $15.8M sold.

SEI Investments first reported a position in MRX in Q2 2024 and held it in 8 quarters. The position peaked at $15.8M in Q1 2026. 221 funds tracked by Wall St. Rank hold MRX as of Q2 2026.

SEI Investments reported no remaining Marex Group Limited Ordinary Shares position as of Q2 2026 after selling out during the quarter.
SEI Investments sold 354,325 Marex Group Limited Ordinary Shares shares in Q2 2026, an estimated $15.8M.
SEI Investments first reported a position in Marex Group Limited Ordinary Shares in Q2 2024 and held it in 8 quarters.
SEI Investments's Marex Group Limited Ordinary Shares position peaked at $15.8M in Q1 2026.
221 funds tracked by Wall St. Rank held Marex Group Limited Ordinary Shares as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.