Renaissance Technologies’s Marex Group Limited Ordinary Shares MRX Stock Holding History

Renaissance Technologies’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	$11M	Buy	180,087 +99,567	+124%	+$5.48M	0.02%	1013
2026 Q1	$3.59M	Sell	80,520 -140,267	-64%	-$5.54M	0.01%	1555
2025 Q4	$8.47M	Sell	220,787 -294,100	-57%	-$10M	0.01%	1006
2025 Q3	$17.3M	Buy	514,887 +93,800	+22%	+$3.39M	0.02%	803
2025 Q2	$16.6M	Buy	421,087 +243,462	+137%	+$10.1M	0.02%	795
2025 Q1	$6.27M	Buy	177,625 +45,300	+34%	+$1.58M	0.01%	1285
2024 Q4	$4.12M	Sell	132,325 -9,275	-7%	-$260K	0.01%	1571
2024 Q3	$3.34M	Buy	+141,600	New	+$3.16M	0.01%	1700

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

Renaissance Technologies's MRX Position: Q2 2026 in Review

Renaissance Technologies increased its Marex Group Limited Ordinary Shares (MRX) stake by 124% in Q2 2026, buying an estimated $5.48M and bringing the position to 180,087 shares worth $11M. The position accounts for 0.02% of the portfolio, ranked #1013.

Renaissance Technologies first reported a position in MRX in Q3 2024 and has held it in 8 quarters since. The position peaked at $17.3M in Q3 2025. 221 funds tracked by Wall St. Rank hold MRX as of Q2 2026.

Renaissance Technologies held 180,087 shares of Marex Group Limited Ordinary Shares worth $11M as of Q2 2026.
Renaissance Technologies bought 99,567 Marex Group Limited Ordinary Shares shares in Q2 2026, an estimated $5.48M.
Marex Group Limited Ordinary Shares made up 0.02% of Renaissance Technologies's portfolio in Q2 2026, its #1013 holding.
Renaissance Technologies first reported a position in Marex Group Limited Ordinary Shares in Q3 2024 and has held it in 8 quarters since.
Renaissance Technologies's Marex Group Limited Ordinary Shares position peaked at $17.3M in Q3 2025.
221 funds tracked by Wall St. Rank held Marex Group Limited Ordinary Shares as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.