Two Sigma Securities’s MarketAxess Holdings MKTX Stock Holding History

Two Sigma Securities’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
2024 Q3	–	Sell	-1,600	Closed	-$321K	–	3345
2024 Q2	$321K	Buy	+1,600	New	+$330K	﹤0.01%	1928
2023 Q4	–	Sell	-9,200	Closed	-$1.97M	–	3376
2023 Q3	$1.97M	Buy	+9,200	New	+$2.23M	0.02%	696
2023 Q2	–	Sell	-3,800	Closed	-$1.49M	–	3133
2023 Q1	$1.49M	Buy	3,800 +2,100	+124%	+$744K	0.03%	646
2022 Q4	$474K	Sell	1,700 -1,700	-50%	-$438K	0.01%	1133
2022 Q3	$756K	Buy	+3,400	New	+$873K	0.02%	804
2022 Q2	–	Sell	-1,000	Closed	-$340K	–	2614
2022 Q1	$340K	Buy	+1,000	New	+$362K	0.01%	1295
2020 Q4	–	Sell	-1,100	Closed	-$530K	–	1841
2020 Q3	$530K	Sell	1,100 -1,000	-48%	-$494K	0.01%	569
2020 Q2	$1.05M	Buy	2,100 +600	+40%	+$280K	0.02%	380
2020 Q1	$499K	Buy	+1,500	New	+$523K	0.01%	631

Other funds holding MKTX

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

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

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

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

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

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Two Sigma Securities's MKTX Position: Q1 2026 in Review

Two Sigma Securities reduced its MarketAxess Holdings (MKTX) stake by 59% in Q1 2026, selling an estimated $559K and leaving 2,260 shares worth $373K. The position accounts for 0.04% of the portfolio, ranked #625.

Two Sigma Securities first reported a position in MKTX in Q1 2018 and has held it in 14 quarters since. The position peaked at $1.17M in Q1 2025. 448 funds tracked by Wall St. Rank hold MKTX as of Q1 2026.

Two Sigma Securities held 2,260 shares of MarketAxess Holdings worth $373K as of Q1 2026.
Two Sigma Securities sold 3,193 MarketAxess Holdings shares in Q1 2026, an estimated $559K.
MarketAxess Holdings made up 0.04% of Two Sigma Securities's portfolio in Q1 2026, its #625 holding.
Two Sigma Securities first reported a position in MarketAxess Holdings in Q1 2018 and has held it in 14 quarters since.
Two Sigma Securities's MarketAxess Holdings position peaked at $1.17M in Q1 2025.
448 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q1 2026.

Based on Two Sigma Securities's 13F filing for Q1 2026, filed 15 May 2026.