TRCT
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Tower Research Capital (TRC)’s MarketAxess Holdings MKTX Stock Holding History

Tower Research Capital (TRC)’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 		$211K Sell
1,281
-330
-20% -$57.8K 0.01% 1575
2025
Q4 		$292K Buy
1,611
+1,079
+203% +$184K 0.01% 1165
2025
Q3 		$92.7K Sell
532
-678
-56% -$133K ﹤0.01% 2048
2025
Q2 		$270K Sell
1,210
-4,951
-80% -$1.09M 0.01% 1513
2025
Q1 		$1.33M Buy
6,161
+2,896
+89% +$608K 0.04% 400
2024
Q4 		$738K Buy
3,265
+1,017
+45% +$268K 0.01% 820
2024
Q3 		$576K Sell
2,248
-3,816
-63% -$894K 0.02% 785
2024
Q2 		$1.22M Buy
6,064
+4,854
+401% +$1M 0.02% 654
2024
Q1 		$265K Sell
1,210
-6,079
-83% -$1.44M 0.01% 1233
2023
Q4 		$2.13M Buy
7,289
+1,020
+16% +$247K 0.03% 488
2023
Q3 		$1.34M Buy
6,269
+5,981
+2,077% +$1.45M 0.04% 428
2023
Q2 		$75.3K Sell
288
-826
-74% -$246K ﹤0.01% 2255
2023
Q1 		$435K Buy
1,114
+15
+1% +$5.31K 0.01% 917
2022
Q4 		$306K Sell
1,099
-4,114
-79% -$1.06M 0.01% 998
2022
Q3 		$1.16M Buy
5,213
+453
+10% +$116K 0.02% 642
2022
Q2 		$1.22M Sell
4,760
-3,546
-43% -$970K 0.03% 582
2022
Q1 		$2.83M Buy
8,306
+4,921
+145% +$1.78M 0.03% 477
2021
Q4 		$1.39M Buy
3,385
+2,086
+161% +$823K 0.02% 539
2021
Q3 		$546K Sell
1,299
-1,632
-56% -$749K 0.01% 923
2021
Q2 		$1.36M Buy
2,931
+246
+9% +$117K 0.04% 463
2021
Q1 		$1.34M Buy
2,685
+968
+56% +$516K 0.02% 629
2020
Q4 		$980K Sell
1,717
-306
-15% -$167K 0.03% 533
2020
Q3 		$974K Buy
2,023
+1,286
+174% +$636K 0.01% 1027
2020
Q2 		$369K Sell
737
-3,989
-84% -$1.86M 0.02% 1272
2020
Q1 		$1.57M Buy
+4,726
New +$1.65M 0.1% 130
2019
Q4 		– Sell
-2,184
Closed -$715K – 4058
2019
Q3 		$715K Sell
2,184
-2,518
-54% -$901K 0.05% 417
2019
Q2 		$1.51M Buy
4,702
+3,055
+185% +$883K 0.1% 154
2019
Q1 		$405K Buy
+1,647
New +$373K 0.02% 733
2018
Q4 		– Sell
-2,958
Closed -$528K – 4144
2018
Q3 		$528K Buy
2,958
+2,404
+434% +$462K 0.04% 455
2018
Q2 		$110K Sell
554
-2,748
-83% -$570K 0.01% 1375
2018
Q1 		$718K Buy
3,302
+3,169
+2,383% +$652K 0.06% 314
2017
Q4 		$27K Sell
133
-19
-13% -$3.58K ﹤0.01% 1833
2017
Q3 		$28K Buy
152
+123
+424% +$23.5K ﹤0.01% 2498
2017
Q2 		$6K Buy
+29
New +$5.55K ﹤0.01% 1901
2017
Q1 		– Sell
-87
Closed -$12K – 3584
2016
Q4 		$12K Sell
87
-1,538
-95% -$244K ﹤0.01% 2534
2016
Q3 		$269K Buy
1,625
+914
+129% +$148K 0.03% 361
2016
Q2 		$103K Buy
+711
New +$94.5K 0.01% 1090
2015
Q4 		– Sell
-935
Closed -$87K – 4819
2015
Q3 		$87K Sell
935
-1,042
-53% -$101K 0.01% 641
2015
Q2 		$184K Sell
1,977
-246
-11% -$21.7K 0.02% 415
2015
Q1 		$184K Buy
+2,223
New +$176K 0.02% 461
2014
Q4 		– Sell
-3
Closed – – 4412
2014
Q3 		$0 Sell
3
-12
-80% -$676 ﹤0.01% 4706
2014
Q2 		$1K Sell
15
-436
-97% -$23.8K ﹤0.01% 3697
2014
Q1 		$27K Sell
451
-789
-64% -$48.8K ﹤0.01% 1602
2013
Q4 		$83K Sell
1,240
-1,760
-59% -$116K 0.01% 970
2013
Q3 		$180K Buy
3,000
+2,900
+2,900% +$155K 0.02% 820
2013
Q2 		$5K Buy
+100
New +$4.3K ﹤0.01% 2940

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

Tower Research Capital (TRC)'s MKTX Position: Q1 2026 in Review

Tower Research Capital (TRC) reduced its MarketAxess Holdings (MKTX) stake by 20% in Q1 2026, selling an estimated $57.8K and leaving 1,281 shares worth $211K. The position accounts for 0.01% of the portfolio, ranked #1575.

Tower Research Capital (TRC) first reported a position in MKTX in Q2 2013 and has held it in 46 quarters since. The position peaked at $2.83M in Q1 2022. 447 funds tracked by Wall St. Rank hold MKTX as of Q1 2026.

  • Tower Research Capital (TRC) held 1,281 shares of MarketAxess Holdings worth $211K as of Q1 2026.
  • Tower Research Capital (TRC) sold 330 MarketAxess Holdings shares in Q1 2026, an estimated $57.8K.
  • MarketAxess Holdings made up 0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #1575 holding.
  • Tower Research Capital (TRC) first reported a position in MarketAxess Holdings in Q2 2013 and has held it in 46 quarters since.
  • Tower Research Capital (TRC)'s MarketAxess Holdings position peaked at $2.83M in Q1 2022.
  • 447 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.