Citadel Advisors
MRX

Citadel Advisors’s Marex Group Limited Ordinary Shares MRX Stock Holding History

Citadel Advisors’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
-173,474
Closed -$9.5M – 15072
2026
Q1 		$7.73M Buy
173,474
+83,415
+93% +$3.29M ﹤0.01% 3632
2025
Q4 		$3.45M Sell
90,059
-438,023
-83% -$14.9M ﹤0.01% 4904
2025
Q3 		$17.8M Sell
528,082
-451,492
-46% -$16.3M ﹤0.01% 2484
2025
Q2 		$38.7M Buy
979,574
+808,545
+473% +$33.7M 0.01% 1453
2025
Q1 		$6.04M Sell
171,029
-140,553
-45% -$4.89M ﹤0.01% 3580
2024
Q4 		$9.7M Sell
311,582
-181,574
-37% -$5.08M ﹤0.01% 3026
2024
Q3 		$11.6M Sell
493,156
-346,732
-41% -$7.74M ﹤0.01% 2681
2024
Q2 		$16.8M Buy
+839,888
New +$16.5M ﹤0.01% 2178

Other funds holding MRX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
Wasatch Advisors
Wasatch Advisors Salt Lake City, Utah $13.5B AUM 16.58% 1-Year Est. Return
Loomis, Sayles & Company
Loomis, Sayles & Company Boston, Massachusetts $79.8B AUM 16.05% 1-Year Est. Return
Samlyn Capital
Samlyn Capital New York $6.14B AUM 42.05% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Ophir Asset Management
Ophir Asset Management Sydney, Australia $1.22B AUM 100.03% 1-Year Est. Return

Citadel Advisors's MRX Position: Q2 2026 in Review

Citadel Advisors sold out of Marex Group Limited Ordinary Shares (MRX) in Q2 2026, closing a stake of 173,474 shares — an estimated $9.5M sold.

Citadel Advisors first reported a position in MRX in Q2 2024 and held it in 8 quarters. The position peaked at $38.7M in Q2 2025. 222 funds tracked by Wall St. Rank hold MRX as of Q2 2026.

  • Citadel Advisors reported no remaining Marex Group Limited Ordinary Shares position as of Q2 2026 after selling out during the quarter.
  • Citadel Advisors sold 173,474 Marex Group Limited Ordinary Shares shares in Q2 2026, an estimated $9.5M.
  • Citadel Advisors first reported a position in Marex Group Limited Ordinary Shares in Q2 2024 and held it in 8 quarters.
  • Citadel Advisors's Marex Group Limited Ordinary Shares position peaked at $38.7M in Q2 2025.
  • 222 funds tracked by Wall St. Rank held Marex Group Limited Ordinary Shares as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.