HI
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Horizon Investments’s MarketAxess Holdings MKTX Stock Holding History

Horizon Investments’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 		$124K Buy
1,092
+171
+19% +$24.4K ﹤0.01% 1089
2026
Q1 		$152K Buy
+921
New +$161K ﹤0.01% 1027
2025
Q4 		– Sell
-8,205
Closed -$1.43M – 1359
2025
Q3 		$1.43M Buy
8,205
+2,126
+35% +$416K 0.02% 557
2025
Q2 		$1.36M Buy
6,079
+5,530
+1,007% +$1.22M 0.02% 490
2025
Q1 		$119K Buy
549
+34
+7% +$7.14K ﹤0.01% 611
2024
Q4 		$116K Buy
515
+3
+0.6% +$790 ﹤0.01% 607
2024
Q3 		$131K Sell
512
-168
-25% -$39.4K ﹤0.01% 592
2024
Q2 		$136K Buy
680
+7
+1% +$1.44K ﹤0.01% 609
2024
Q1 		$148K Buy
673
+4
+0.6% +$945 ﹤0.01% 595
2023
Q4 		$195K Buy
669
+118
+21% +$28.5K 0.01% 531
2023
Q3 		$117K Sell
551
-41
-7% -$9.94K ﹤0.01% 600
2023
Q2 		$154K Sell
592
-39
-6% -$11.6K ﹤0.01% 573
2023
Q1 		$246K Sell
631
-110
-15% -$39K 0.01% 452
2022
Q4 		$206K Buy
+741
New +$191K 0.01% 523
2022
Q1 		– Sell
-1,940
Closed -$796K – 524
2021
Q4 		$796K Buy
1,940
+119
+7% +$46.9K 0.02% 245
2021
Q3 		$765K Sell
1,821
-998
-35% -$458K 0.02% 248
2021
Q2 		$1.3M Buy
2,819
+2,139
+315% +$1.02M 0.04% 183
2021
Q1 		$339K Buy
+680
New +$363K 0.01% 360
2020
Q4 		– Sell
-1,649
Closed -$793K – 281
2020
Q3 		$793K Sell
1,649
-1,351
-45% -$668K 0.03% 209
2020
Q2 		$1.5M Buy
+3,000
New +$1.4M 0.04% 180
2020
Q1 		– Sell
-933
Closed -$354K – 429
2019
Q4 		$354K Buy
933
+51
+6% +$18.7K 0.02% 362
2019
Q3 		$289K Buy
+882
New +$316K 0.01% 256

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

Horizon Investments's MKTX Position: Q2 2026 in Review

Horizon Investments increased its MarketAxess Holdings (MKTX) stake by 19% in Q2 2026, buying an estimated $24.4K and bringing the position to 1,092 shares worth $124K. The position accounts for ﹤0.01% of the portfolio, ranked #1089.

Horizon Investments first reported a position in MKTX in Q3 2019 and has held it in 22 quarters since. The position peaked at $1.5M in Q2 2020. 397 funds tracked by Wall St. Rank hold MKTX as of Q2 2026.

  • Horizon Investments held 1,092 shares of MarketAxess Holdings worth $124K as of Q2 2026.
  • Horizon Investments bought 171 MarketAxess Holdings shares in Q2 2026, an estimated $24.4K.
  • MarketAxess Holdings made up ﹤0.01% of Horizon Investments's portfolio in Q2 2026, its #1089 holding.
  • Horizon Investments first reported a position in MarketAxess Holdings in Q3 2019 and has held it in 22 quarters since.
  • Horizon Investments's MarketAxess Holdings position peaked at $1.5M in Q2 2020.
  • 397 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q2 2026.

Based on Horizon Investments's 13F filing for Q2 2026, filed 13 Aug 2026.