WG
MKTX icon

Winton Group’s MarketAxess Holdings MKTX Stock Holding History

Winton Group’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 		– Sell
-18,018
Closed -$2.97M – 1375
2026
Q1 		$2.97M Sell
18,018
-18,346
-50% -$3.21M 0.1% 265
2025
Q4 		$6.59M Buy
36,364
+23,850
+191% +$4.07M 0.23% 126
2025
Q3 		$2.18M Sell
12,514
-1,994
-14% -$390K 0.08% 271
2025
Q2 		$3.24M Buy
+14,508
New +$3.19M 0.17% 172
2024
Q4 		– Sell
-781
Closed -$200K – 719
2024
Q3 		$200K Buy
+781
New +$183K 0.01% 575
2024
Q1 		– Sell
-9,792
Closed -$2.87M – 775
2023
Q4 		$2.87M Buy
+9,792
New +$2.37M 0.21% 73
2023
Q2 		– Sell
-18,134
Closed -$7.1M – 982
2023
Q1 		$7.1M Buy
18,134
+6,332
+54% +$2.24M 0.43% 28
2022
Q4 		$3.29M Buy
+11,802
New +$3.04M 0.22% 87
2022
Q1 		– Sell
-1,539
Closed -$633K – 1083
2021
Q4 		$633K Buy
+1,539
New +$607K 0.04% 606
2020
Q3 		– Sell
-899
Closed -$450K – 1559
2020
Q2 		$450K Buy
+899
New +$419K 0.01% 1204
2020
Q1 		– Sell
-5,997
Closed -$2.27M – 1492
2019
Q4 		$2.27M Buy
5,997
+1,564
+35% +$574K 0.03% 752
2019
Q3 		$1.45M Buy
4,433
+2,493
+129% +$892K 0.02% 697
2019
Q2 		$624K Sell
1,940
-2,259
-54% -$653K 0.01% 579
2019
Q1 		$1.03M Buy
4,199
+1,358
+48% +$308K 0.02% 340
2018
Q4 		$600K Buy
+2,841
New +$588K 0.01% 438
2018
Q3 		– Sell
-5,338
Closed -$1.06M – 1096
2018
Q2 		$1.06M Sell
5,338
-3,291
-38% -$682K 0.03% 418
2018
Q1 		$1.88M Buy
+8,629
New +$1.78M 0.05% 337
2017
Q2 		– Sell
-3,007
Closed -$564K – 619
2017
Q1 		$564K Buy
+3,007
New +$545K 0.02% 370

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

Winton Group's MKTX Position: Q2 2026 in Review

Winton Group sold out of MarketAxess Holdings (MKTX) in Q2 2026, closing a stake of 18,018 shares — an estimated $2.97M sold.

Winton Group first reported a position in MKTX in Q1 2017 and held it in 18 quarters. The position peaked at $7.1M in Q1 2023. 393 funds tracked by Wall St. Rank hold MKTX as of Q2 2026.

  • Winton Group reported no remaining MarketAxess Holdings position as of Q2 2026 after selling out during the quarter.
  • Winton Group sold 18,018 MarketAxess Holdings shares in Q2 2026, an estimated $2.97M.
  • Winton Group first reported a position in MarketAxess Holdings in Q1 2017 and held it in 18 quarters.
  • Winton Group's MarketAxess Holdings position peaked at $7.1M in Q1 2023.
  • 393 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.