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Caxton Associates (UK)’s MarketAxess Holdings MKTX Stock Holding History

Caxton Associates (UK)’s Portfolio MKTX Stock Details MKTX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.24M Buy
+10,884
New +$1.55M 0.02% 367
2025
Q3 		– Sell
-3,148
Closed -$703K – 857
2025
Q2 		$703K Buy
+3,148
New +$692K 0.02% 366

Other funds holding MKTX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
NRCM
North Reef Capital Management Laguna Beach, California $2.61B AUM 11.5% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Caxton Associates (UK)'s MKTX Position: Q2 2026 in Review

Caxton Associates (UK) opened a new position in MarketAxess Holdings (MKTX) in Q2 2026: 10,884 shares worth $1.24M. The stake represents 0.02% of the portfolio and ranks #367 among its holdings. This is a return to the name: Caxton Associates (UK) previously reported a position in MKTX as recently as Q2 2025.

Caxton Associates (UK) first reported a position in MKTX in Q2 2025 and has held it in 2 quarters since. 396 funds tracked by Wall St. Rank hold MKTX as of Q2 2026.

  • Caxton Associates (UK) held 10,884 shares of MarketAxess Holdings worth $1.24M as of Q2 2026.
  • MarketAxess Holdings was a new Caxton Associates (UK) position in Q2 2026.
  • MarketAxess Holdings made up 0.02% of Caxton Associates (UK)'s portfolio in Q2 2026, its #367 holding.
  • Caxton Associates (UK) first reported a position in MarketAxess Holdings in Q2 2025 and has held it in 2 quarters since.
  • 396 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q2 2026.

Based on Caxton Associates (UK)'s 13F filing for Q2 2026, filed 14 Aug 2026.