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X-Square Capital’s MarketAxess Holdings MKTX Stock Holding History

X-Square Capital’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
Q1 		$360K Buy
2,185
+158
+8% +$27.7K 0.12% 137
2025
Q4 		$367K Buy
2,027
+154
+8% +$26.3K 0.12% 132
2025
Q3 		$326K Sell
1,873
-1
-0.1% -$196 0.1% 133
2025
Q2 		$419K Buy
1,874
+133
+8% +$29.2K 0.15% 119
2025
Q1 		$377K Buy
1,741
+461
+36% +$96.8K 0.16% 122
2024
Q4 		$289K Hold
1,280
– – 0.12% 140
2024
Q3 		$328K Buy
+1,280
New +$300K 0.14% 128
2024
Q2 		– Sell
-924
Closed -$202K – 161
2024
Q1 		$202K Sell
924
-640
-41% -$151K 0.1% 142
2023
Q4 		$458K Sell
1,564
-4
-0.3% -$967 0.25% 107
2023
Q3 		$410K Hold
1,568
– – 0.28% 98
2023
Q2 		$410K Sell
1,568
-597
-28% -$178K 0.28% 98
2023
Q1 		$847K Sell
2,165
-128
-6% -$45.3K 0.5% 69
2022
Q4 		$639K Buy
2,293
+75
+3% +$19.3K 0.36% 84
2022
Q3 		$493K Buy
2,218
+1
+0% +$257 0.31% 91
2022
Q2 		$568K Buy
2,217
+96
+5% +$26.3K 0.34% 86
2022
Q1 		$722K Buy
2,121
+99
+5% +$35.9K 0.38% 82
2021
Q4 		$832K Buy
2,022
+115
+6% +$45.4K 0.42% 82
2021
Q3 		$801K Sell
1,907
-154
-7% -$70.7K 0.41% 73
2021
Q2 		$951K Buy
2,061
+181
+10% +$86.2K 0.45% 68
2021
Q1 		$936K Buy
1,880
+66
+4% +$35.2K 0.43% 63
2020
Q4 		$1.03M Buy
1,814
+499
+38% +$272K 0.56% 53
2020
Q3 		$633K Buy
+1,315
New +$650K 0.46% 62

Other funds holding MKTX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
NRCM
North Reef Capital Management Laguna Beach, California $2.91B AUM 11.03% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

X-Square Capital's MKTX Position: Q1 2026 in Review

X-Square Capital increased its MarketAxess Holdings (MKTX) stake by 7.8% in Q1 2026, buying an estimated $27.7K and bringing the position to 2,185 shares worth $360K. The position accounts for 0.12% of the portfolio, ranked #137.

X-Square Capital first reported a position in MKTX in Q3 2020 and has held it in 22 quarters since. The position peaked at $1.03M in Q4 2020. 447 funds tracked by Wall St. Rank hold MKTX as of Q1 2026.

  • X-Square Capital held 2,185 shares of MarketAxess Holdings worth $360K as of Q1 2026.
  • X-Square Capital bought 158 MarketAxess Holdings shares in Q1 2026, an estimated $27.7K.
  • MarketAxess Holdings made up 0.12% of X-Square Capital's portfolio in Q1 2026, its #137 holding.
  • X-Square Capital first reported a position in MarketAxess Holdings in Q3 2020 and has held it in 22 quarters since.
  • X-Square Capital's MarketAxess Holdings position peaked at $1.03M in Q4 2020.
  • 447 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q1 2026.

Based on X-Square Capital's 13F filing for Q1 2026, filed 15 May 2026.