SG Americas Securities
MRX

SG Americas Securities’s Marex Group Limited Ordinary Shares MRX Stock Holding History

SG Americas Securities’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 		$8.23M Buy
184,519
+170,513
+1,217% +$6.73M 0.01% 860
2025
Q4 		$537K Buy
14,006
+7,079
+102% +$241K ﹤0.01% 2450
2025
Q3 		$233K Sell
6,927
-15,438
-69% -$558K ﹤0.01% 2660
2025
Q2 		$883K Buy
+22,365
New +$931K ﹤0.01% 1256

Other funds holding MRX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
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 $5.86B AUM 36.3% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B 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

SG Americas Securities's MRX Position: Q1 2026 in Review

SG Americas Securities increased its Marex Group Limited Ordinary Shares (MRX) stake by 1,217% in Q1 2026, buying an estimated $6.73M and bringing the position to 184,519 shares worth $8.23M. The position accounts for 0.01% of the portfolio, ranked #860.

SG Americas Securities first reported a position in MRX in Q2 2025 and has held it in 4 quarters since. 205 funds tracked by Wall St. Rank hold MRX as of Q1 2026.

  • SG Americas Securities held 184,519 shares of Marex Group Limited Ordinary Shares worth $8.23M as of Q1 2026.
  • SG Americas Securities bought 170,513 Marex Group Limited Ordinary Shares shares in Q1 2026, an estimated $6.73M.
  • Marex Group Limited Ordinary Shares made up 0.01% of SG Americas Securities's portfolio in Q1 2026, its #860 holding.
  • SG Americas Securities first reported a position in Marex Group Limited Ordinary Shares in Q2 2025 and has held it in 4 quarters since.
  • 205 funds tracked by Wall St. Rank held Marex Group Limited Ordinary Shares as of Q1 2026.

Based on SG Americas Securities's 13F filing for Q1 2026, filed 16 Apr 2026.