BlackRock
MRX

BlackRock’s Marex Group Limited Ordinary Shares MRX Stock Holding History

BlackRock’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
Q1 		$196M Buy
4,389,325
+422,791
+11% +$16.7M ﹤0.01% 1685
2025
Q4 		$152M Buy
3,966,534
+250,854
+7% +$8.53M ﹤0.01% 1857
2025
Q3 		$125M Buy
3,715,680
+1,185,120
+47% +$42.8M ﹤0.01% 1958
2025
Q2 		$99.9M Buy
2,530,560
+1,736,820
+219% +$72.3M ﹤0.01% 2048
2025
Q1 		$28M Sell
793,740
-71,279
-8% -$2.48M ﹤0.01% 2737
2024
Q4 		$27M Buy
865,019
+39,561
+5% +$1.11M ﹤0.01% 2854
2024
Q3 		$19.5M Sell
825,458
-17,420
-2% -$389K ﹤0.01% 3063
2024
Q2 		$16.9M Buy
+842,878
New +$16.6M ﹤0.01% 3081

Other funds holding MRX

Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Loomis, Sayles & Company
Loomis, Sayles & Company Boston, Massachusetts $74.3B AUM 24.01% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
SC
Samlyn Capital New York $5.82B AUM 36.3% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $121B AUM 33.93% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $145B AUM 34.61% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $653B AUM 32.41% 1-Year Est. Return