D.E. Shaw & Co
MRX

D.E. Shaw & Co’s Marex Group Limited Ordinary Shares MRX Stock Holding History

D.E. Shaw & Co’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 		– Sell
-12,068
Closed -$463K – 5150
2025
Q4 		$463K Buy
+12,068
New +$411K ﹤0.01% 3964
2025
Q3 		– Sell
-337,193
Closed -$13.3M – 4990
2025
Q2 		$13.3M Buy
+337,193
New +$14M 0.01% 1283

Other funds holding MRX

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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Loomis, Sayles & Company
Loomis, Sayles & Company Boston, Massachusetts $79.8B AUM 16.05% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
SC
Samlyn Capital New York $6.14B AUM 42.05% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return

D.E. Shaw & Co's MRX Position: Q1 2026 in Review

D.E. Shaw & Co sold out of Marex Group Limited Ordinary Shares (MRX) in Q1 2026, closing a stake of 12,068 shares — an estimated $463K sold.

D.E. Shaw & Co first reported a position in MRX in Q2 2025 and held it in 2 quarters. The position peaked at $13.3M in Q2 2025. 205 funds tracked by Wall St. Rank hold MRX as of Q1 2026.

  • D.E. Shaw & Co reported no remaining Marex Group Limited Ordinary Shares position as of Q1 2026 after selling out during the quarter.
  • D.E. Shaw & Co sold 12,068 Marex Group Limited Ordinary Shares shares in Q1 2026, an estimated $463K.
  • D.E. Shaw & Co first reported a position in Marex Group Limited Ordinary Shares in Q2 2025 and held it in 2 quarters.
  • D.E. Shaw & Co's Marex Group Limited Ordinary Shares position peaked at $13.3M in Q2 2025.
  • 205 funds tracked by Wall St. Rank held Marex Group Limited Ordinary Shares as of Q1 2026.

Based on D.E. Shaw & Co's 13F filing for Q1 2026, filed 15 May 2026.