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Mizuho Securities USA’s MarketAxess Holdings MKTX Stock Holding History

Mizuho Securities USA’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
-2,593
Closed -$579K – 727
2025
Q2 		$579K Sell
2,593
-426
-14% -$93.6K 0.01% 619
2025
Q1 		$653K Sell
3,019
-554
-16% -$116K 0.01% 583
2024
Q4 		$808K Buy
3,573
+1,125
+46% +$296K 0.01% 560
2024
Q3 		$627K Sell
2,448
-469
-16% -$110K 0.01% 557
2024
Q2 		$585K Buy
+2,917
New +$601K 0.01% 571

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

Mizuho Securities USA's MKTX Position: Q3 2025 in Review

Mizuho Securities USA sold out of MarketAxess Holdings (MKTX) in Q3 2025, closing a stake of 2,593 shares — an estimated $579K sold.

Mizuho Securities USA first reported a position in MKTX in Q2 2024 and held it in 5 quarters. The position peaked at $808K in Q4 2024. 450 funds tracked by Wall St. Rank hold MKTX as of Q3 2025.

  • Mizuho Securities USA reported no remaining MarketAxess Holdings position as of Q3 2025 after selling out during the quarter.
  • Mizuho Securities USA sold 2,593 MarketAxess Holdings shares in Q3 2025, an estimated $579K.
  • Mizuho Securities USA first reported a position in MarketAxess Holdings in Q2 2024 and held it in 5 quarters.
  • Mizuho Securities USA's MarketAxess Holdings position peaked at $808K in Q4 2024.
  • 450 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q3 2025.

Based on Mizuho Securities USA's 13F filing for Q3 2025, filed 22 Oct 2025.