Janus Henderson Group
MRX

Janus Henderson Group’s Marex Group Limited Ordinary Shares MRX Stock Holding History

Janus Henderson Group’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 		$1.76M Buy
+39,441
New +$1.56M ﹤0.01% 1415
2024
Q3 		– Sell
-225,845
Closed -$4.52M – 2561
2024
Q2 		$4.52M Buy
+225,845
New +$4.44M ﹤0.01% 887

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

Janus Henderson Group's MRX Position: Q1 2026 in Review

Janus Henderson Group opened a new position in Marex Group Limited Ordinary Shares (MRX) in Q1 2026: 39,441 shares worth $1.76M. The stake represents ﹤0.01% of the portfolio and ranks #1415 among its holdings. This is a return to the name: Janus Henderson Group previously reported a position in MRX as recently as Q2 2024.

Janus Henderson Group first reported a position in MRX in Q2 2024 and has held it in 2 quarters since. The position peaked at $4.52M in Q2 2024. 205 funds tracked by Wall St. Rank hold MRX as of Q1 2026.

  • Janus Henderson Group held 39,441 shares of Marex Group Limited Ordinary Shares worth $1.76M as of Q1 2026.
  • Marex Group Limited Ordinary Shares was a new Janus Henderson Group position in Q1 2026.
  • Marex Group Limited Ordinary Shares made up ﹤0.01% of Janus Henderson Group's portfolio in Q1 2026, its #1415 holding.
  • Janus Henderson Group first reported a position in Marex Group Limited Ordinary Shares in Q2 2024 and has held it in 2 quarters since.
  • Janus Henderson Group's Marex Group Limited Ordinary Shares position peaked at $4.52M in Q2 2024.
  • 205 funds tracked by Wall St. Rank held Marex Group Limited Ordinary Shares as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.