Cubist Systematic Strategies’s MarketAxess Holdings MKTX Stock Holding History

Cubist Systematic Strategies’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	-3,400	Closed	-$759K	–	3335
2025 Q2	$759K	Buy	3,400 +400	+13%	+$87.9K	﹤0.01%	2075
2025 Q1	$649K	Buy	+3,000	New	+$630K	﹤0.01%	2043
2024 Q3	–	Sell	-2,700	Closed	-$541K	–	3305
2024 Q2	$541K	Sell	2,700 -6,400	-70%	-$1.32M	﹤0.01%	2092
2024 Q1	$2M	Buy	9,100 +6,300	+225%	+$1.49M	0.01%	1651
2023 Q4	$820K	Sell	2,800 -1,200	-30%	-$290K	0.01%	2197
2023 Q3	$855K	Sell	4,000 -1,700	-30%	-$412K	0.01%	1994
2023 Q2	$1.49M	Buy	+5,700	New	+$1.7M	0.01%	1716

Other funds holding MKTX

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

HSBC Holdings London, United Kingdom $192B AUM 27.2% 1-Year Est. Return

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 Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Cubist Systematic Strategies's MKTX Position: Q3 2025 in Review

Cubist Systematic Strategies increased its MarketAxess Holdings (MKTX) stake by 163% in Q3 2025, buying an estimated $18.5M and bringing the position to 152,726 shares worth $26.6M. The position accounts for 0.13% of the portfolio, ranked #193.

Cubist Systematic Strategies first reported a position in MKTX in Q2 2014 and has held it in 31 quarters since. 450 funds tracked by Wall St. Rank hold MKTX as of Q3 2025.

Cubist Systematic Strategies held 152,726 shares of MarketAxess Holdings worth $26.6M as of Q3 2025.
Cubist Systematic Strategies bought 94,682 MarketAxess Holdings shares in Q3 2025, an estimated $18.5M.
MarketAxess Holdings made up 0.13% of Cubist Systematic Strategies's portfolio in Q3 2025, its #193 holding.
Cubist Systematic Strategies first reported a position in MarketAxess Holdings in Q2 2014 and has held it in 31 quarters since.
450 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.