Walleye Trading
MKTX icon

Walleye Trading’s MarketAxess Holdings MKTX Stock Holding History

Walleye Trading’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 		$1.34M Buy
11,800
+10,800
+1,080% +$1.54M ﹤0.01% 2094
2026
Q1 		$165K Sell
1,000
-2,700
-73% -$473K ﹤0.01% 3231
2025
Q4 		$671K Buy
3,700
+600
+19% +$102K ﹤0.01% 2618
2025
Q3 		$540K Buy
+3,100
New +$606K ﹤0.01% 2691
2025
Q2 		– Sell
-11,400
Closed -$2.47M – 4531
2025
Q1 		$2.47M Buy
+11,400
New +$2.39M 0.01% 1506
2024
Q4 		– Sell
-100
Closed -$25.6K – 4503
2024
Q3 		$25.6K Sell
100
-4,900
-98% -$1.15M ﹤0.01% 3632
2024
Q2 		$1M Buy
5,000
+2,900
+138% +$598K ﹤0.01% 2072
2024
Q1 		$460K Buy
2,100
+1,500
+250% +$354K ﹤0.01% 2843
2023
Q4 		$176K Sell
600
-100
-14% -$24.2K ﹤0.01% 3858
2023
Q3 		$150K Buy
+700
New +$170K ﹤0.01% 3780
2016
Q4 		– Sell
-200
Closed -$33K – 4992
2016
Q3 		$33K Sell
200
-6,300
-97% -$1.02M ﹤0.01% 3978
2016
Q2 		$946K Buy
6,500
+5,600
+622% +$744K 0.01% 1650
2016
Q1 		$112K Sell
900
-400
-31% -$45.7K ﹤0.01% 3247
2015
Q4 		$145K Buy
1,300
+1,200
+1,200% +$123K ﹤0.01% 2987
2015
Q3 		$9K Sell
100
-3,400
-97% -$329K ﹤0.01% 4426
2015
Q2 		$325K Buy
+3,500
New +$309K ﹤0.01% 2054

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 $3.38T AUM 44.17% 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

Walleye Trading's MKTX Position: Q2 2026 in Review

Walleye Trading reduced its MarketAxess Holdings (MKTX) stake by 89% in Q2 2026, selling an estimated $2.41M and leaving 2,147 shares worth $244K. The position accounts for ﹤0.01% of the portfolio, ranked #3036.

Walleye Trading first reported a position in MKTX in Q3 2015 and has held it in 18 quarters since. The position peaked at $3.15M in Q1 2026. 397 funds tracked by Wall St. Rank hold MKTX as of Q2 2026.

  • Walleye Trading held 2,147 shares of MarketAxess Holdings worth $244K as of Q2 2026.
  • Walleye Trading sold 16,923 MarketAxess Holdings shares in Q2 2026, an estimated $2.41M.
  • MarketAxess Holdings made up ﹤0.01% of Walleye Trading's portfolio in Q2 2026, its #3036 holding.
  • Walleye Trading first reported a position in MarketAxess Holdings in Q3 2015 and has held it in 18 quarters since.
  • Walleye Trading's MarketAxess Holdings position peaked at $3.15M in Q1 2026.
  • 397 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q2 2026.

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