Citigroup
MKTX icon

Citigroup’s MarketAxess Holdings MKTX Stock Holding History

Citigroup’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 		$113M Buy
+999,500
New +$142M 0.04% 432
2025
Q4 		– Sell
-50,000
Closed -$8.71M – 6304
2025
Q3 		$8.71M Buy
+50,000
New +$9.78M ﹤0.01% 1592

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

Citigroup's MKTX Position: Q2 2026 in Review

Citigroup increased its MarketAxess Holdings (MKTX) stake by 203% in Q2 2026, buying an estimated $6.18M and bringing the position to 64,762 shares worth $7.35M. The position accounts for ﹤0.01% of the portfolio, ranked #1835.

Citigroup first reported a position in MKTX in Q2 2013 and has held it in 53 quarters since. The position peaked at $31.4M in Q1 2021. 396 funds tracked by Wall St. Rank hold MKTX as of Q2 2026.

  • Citigroup held 64,762 shares of MarketAxess Holdings worth $7.35M as of Q2 2026.
  • Citigroup bought 43,372 MarketAxess Holdings shares in Q2 2026, an estimated $6.18M.
  • MarketAxess Holdings made up ﹤0.01% of Citigroup's portfolio in Q2 2026, its #1835 holding.
  • Citigroup first reported a position in MarketAxess Holdings in Q2 2013 and has held it in 53 quarters since.
  • Citigroup's MarketAxess Holdings position peaked at $31.4M in Q1 2021.
  • 396 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q2 2026.

Based on Citigroup's 13F filing for Q2 2026, filed 3 Aug 2026.