JSP
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Jackson Square Partners’s MarketAxess Holdings MKTX Stock Holding History

Jackson Square Partners’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
2025
Q3 		– Sell
-16,274
Closed -$3.63M – 50
2025
Q2 		$3.63M Sell
16,274
-81,441
-83% -$17.9M 1.34% 27
2025
Q1 		$21.1M Sell
97,715
-19,696
-17% -$4.14M 2.84% 10
2024
Q4 		$26.5M Sell
117,411
-23,766
-17% -$6.26M 2.76% 10
2024
Q3 		$36.2M Sell
141,177
-75,989
-35% -$17.8M 3.12% 9
2024
Q2 		$43.5M Sell
217,166
-88,902
-29% -$18.3M 2.66% 16
2024
Q1 		$67.1M Sell
306,068
-119,293
-28% -$28.2M 2.79% 15
2023
Q4 		$125M Buy
425,361
+95,135
+29% +$23M 4.05% 5
2023
Q3 		$70.5M Buy
330,226
+158,395
+92% +$38.4M 2.36% 21
2023
Q2 		$44.9M Sell
171,831
-15,565
-8% -$4.64M 1.31% 29
2023
Q1 		$73.3M Sell
187,396
-234,991
-56% -$83.2M 1.98% 23
2022
Q4 		$118M Buy
422,387
+1,464
+0.3% +$377K 3.14% 15
2022
Q3 		$93.7M Sell
420,923
-33,624
-7% -$8.63M 2.46% 20
2022
Q2 		$116M Buy
454,547
+67,280
+17% +$18.4M 2.72% 13
2022
Q1 		$132M Buy
+387,267
New +$140M 1.31% 31

Other funds holding MKTX

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
HSBC Holdings
HSBC Holdings London, United Kingdom $192B AUM 27.2% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
GAM
GuardCap Asset Management London, United Kingdom $1.75B AUM 7.74% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Jackson Square Partners's MKTX Position: Q3 2025 in Review

Jackson Square Partners sold out of MarketAxess Holdings (MKTX) in Q3 2025, closing a stake of 16,274 shares — an estimated $3.63M sold.

Jackson Square Partners first reported a position in MKTX in Q1 2022 and held it in 14 quarters. The position peaked at $132M in Q1 2022. 450 funds tracked by Wall St. Rank hold MKTX as of Q3 2025.

  • Jackson Square Partners reported no remaining MarketAxess Holdings position as of Q3 2025 after selling out during the quarter.
  • Jackson Square Partners sold 16,274 MarketAxess Holdings shares in Q3 2025, an estimated $3.63M.
  • Jackson Square Partners first reported a position in MarketAxess Holdings in Q1 2022 and held it in 14 quarters.
  • Jackson Square Partners's MarketAxess Holdings position peaked at $132M in Q1 2022.
  • 450 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q3 2025.

Based on Jackson Square Partners's 13F filing for Q3 2025, filed 5 Nov 2025.