Marshall Wace’s MarketAxess Holdings MKTX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q2
Sell
-358,332
Closed -$77.5M 2987
2025
Q1
$77.5M Sell
358,332
-123,099
-26% -$25.9M 0.1% 176
2024
Q4
$109M Sell
481,431
-3,332
-0.7% -$877K 0.13% 138
2024
Q3
$124M Sell
484,763
-335,297
-41% -$78.6M 0.15% 111
2024
Q2
$164M Buy
820,060
+285,665
+53% +$58.9M 0.22% 77
2024
Q1
$117M Buy
534,395
+278,447
+109% +$65.8M 0.18% 105
2023
Q4
$75M Buy
255,948
+158,609
+163% +$38.4M 0.13% 161
2023
Q3
$20.8M Buy
+97,339
New +$23.6M 0.04% 424
2023
Q2
Sell
-4,223
Closed -$1.65M 2777
2023
Q1
$1.65M Buy
+4,223
New +$1.5M ﹤0.01% 1555
2022
Q4
Sell
-6,920
Closed -$1.54M 3227
2022
Q3
$1.54M Sell
6,920
-2,680
-28% -$688K ﹤0.01% 2174
2022
Q2
$2.46M Sell
9,600
-71,211
-88% -$19.5M 0.01% 1843
2022
Q1
$27.5M Buy
80,811
+63,733
+373% +$23.1M 0.05% 391
2021
Q4
$7.02M Buy
+17,078
New +$6.74M 0.01% 1130
2021
Q2
Sell
-11,476
Closed -$5.71M 2902
2021
Q1
$5.71M Buy
11,476
+4,627
+68% +$2.47M 0.03% 759
2020
Q4
$3.91M Sell
6,849
-45,250
-87% -$24.6M 0.02% 664
2020
Q3
$25.1M Buy
52,099
+34,600
+198% +$17.1M 0.16% 135
2020
Q2
$8.77M Buy
+17,499
New +$8.15M 0.06% 318
2020
Q1
Sell
-6,344
Closed -$2.4M 1898
2019
Q4
$2.4M Buy
+6,344
New +$2.33M 0.02% 757
2017
Q1
Sell
-4,637
Closed -$681K 575
2016
Q4
$681K Buy
+4,637
New +$737K ﹤0.01% 810
2016
Q3
Sell
-6,534
Closed -$950K 1056
2016
Q2
$950K Buy
+6,534
New +$869K 0.01% 721
2015
Q3
Sell
-4,500
Closed -$417K 1011
2015
Q2
$417K Buy
+4,500
New +$397K 0.01% 743
2014
Q4
Sell
-175,247
Closed -$10.8M 896
2014
Q3
$10.8M Buy
175,247
+162,076
+1,231% +$9.13M 0.16% 175
2014
Q2
$712K Buy
+13,171
New +$720K 0.01% 558

Other funds holding MKTX

Marshall Wace's MKTX Position: Q2 2025 in Review

Marshall Wace sold out of MarketAxess Holdings (MKTX) in Q2 2025, closing a stake of 358,332 shares — an estimated $77.5M sold.

Marshall Wace first reported a position in MKTX in Q2 2014 and held it in 22 quarters. The position peaked at $164M in Q2 2024. 530 funds tracked by Wall St. Rank hold MKTX as of Q2 2025.

  • Marshall Wace reported no remaining MarketAxess Holdings position as of Q2 2025 after selling out during the quarter.
  • Marshall Wace sold 358,332 MarketAxess Holdings shares in Q2 2025, an estimated $77.5M.
  • Marshall Wace first reported a position in MarketAxess Holdings in Q2 2014 and held it in 22 quarters.
  • Marshall Wace's MarketAxess Holdings position peaked at $164M in Q2 2024.
  • 530 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q2 2025.

Based on Marshall Wace's 13F filing for Q2 2025, filed 13 Aug 2025.