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CenterBook Partners’s MarketAxess Holdings MKTX Stock Holding History

CenterBook Partners’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 		$1.96M Buy
17,296
+590
+4% +$84.1K 0.1% 234
2026
Q1 		$2.76M Buy
+16,706
New +$2.93M 0.15% 184

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

CenterBook Partners's MKTX Position: Q2 2026 in Review

CenterBook Partners increased its MarketAxess Holdings (MKTX) stake by 3.5% in Q2 2026, buying an estimated $84.1K and bringing the position to 17,296 shares worth $1.96M. The position accounts for 0.1% of the portfolio, ranked #234.

CenterBook Partners first reported a position in MKTX in Q1 2026 and has held it in 2 quarters since. The position peaked at $2.76M in Q1 2026. 396 funds tracked by Wall St. Rank hold MKTX as of Q2 2026.

  • CenterBook Partners held 17,296 shares of MarketAxess Holdings worth $1.96M as of Q2 2026.
  • CenterBook Partners bought 590 MarketAxess Holdings shares in Q2 2026, an estimated $84.1K.
  • MarketAxess Holdings made up 0.1% of CenterBook Partners's portfolio in Q2 2026, its #234 holding.
  • CenterBook Partners first reported a position in MarketAxess Holdings in Q1 2026 and has held it in 2 quarters since.
  • CenterBook Partners's MarketAxess Holdings position peaked at $2.76M in Q1 2026.
  • 396 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q2 2026.

Based on CenterBook Partners's 13F filing for Q2 2026, filed 11 Aug 2026.