TIM
MRX

Thornburg Investment Management’s Marex Group Limited Ordinary Shares MRX Stock Holding History

Thornburg Investment Management’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 		$18.2M Sell
408,877
-693,266
-63% -$27.4M 0.19% 52
2025
Q4 		$42.3M Buy
1,102,143
+52,792
+5% +$1.8M 0.53% 37
2025
Q3 		$35.3M Buy
1,049,351
+226,621
+28% +$8.18M 0.46% 41
2025
Q2 		$32.5M Buy
822,730
+135,057
+20% +$5.62M 0.42% 41
2025
Q1 		$243M Buy
+687,673
New +$23.9M 0.34% 46

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 $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 $167B AUM 44.17% 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

Thornburg Investment Management's MRX Position: Q1 2026 in Review

Thornburg Investment Management reduced its Marex Group Limited Ordinary Shares (MRX) stake by 63% in Q1 2026, selling an estimated $27.4M and leaving 408,877 shares worth $18.2M. The position accounts for 0.19% of the portfolio, ranked #52.

Thornburg Investment Management first reported a position in MRX in Q1 2025 and has held it in 5 quarters since. The position peaked at $243M in Q1 2025. 205 funds tracked by Wall St. Rank hold MRX as of Q1 2026.

  • Thornburg Investment Management held 408,877 shares of Marex Group Limited Ordinary Shares worth $18.2M as of Q1 2026.
  • Thornburg Investment Management sold 693,266 Marex Group Limited Ordinary Shares shares in Q1 2026, an estimated $27.4M.
  • Marex Group Limited Ordinary Shares made up 0.19% of Thornburg Investment Management's portfolio in Q1 2026, its #52 holding.
  • Thornburg Investment Management first reported a position in Marex Group Limited Ordinary Shares in Q1 2025 and has held it in 5 quarters since.
  • Thornburg Investment Management's Marex Group Limited Ordinary Shares position peaked at $243M in Q1 2025.
  • 205 funds tracked by Wall St. Rank held Marex Group Limited Ordinary Shares as of Q1 2026.

Based on Thornburg Investment Management's 13F filing for Q1 2026, filed 12 May 2026.