Two Sigma Investments’s MarketAxess Holdings MKTX Stock Holding History

Two Sigma 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
2022 Q1	–	Sell	-6,600	Closed	-$2.71M	–	3691
2021 Q4	$2.71M	Buy	6,600 +1,700	+35%	+$671K	0.01%	1650
2021 Q3	$2.06M	Buy	4,900 +3,900	+390%	+$1.79M	﹤0.01%	1964
2021 Q2	$464K	Hold	1,000	–	–	﹤0.01%	3171
2021 Q1	$498K	Sell	1,000 -300	-23%	-$160K	﹤0.01%	2937
2020 Q4	$742K	Buy	+1,300	New	+$708K	﹤0.01%	2217

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 Investments's MKTX Position: Q1 2026 in Review

Two Sigma Investments reduced its MarketAxess Holdings (MKTX) stake by 1.8% in Q1 2026, selling an estimated $1.66M and leaving 524,024 shares worth $86.5M. The position accounts for 0.07% of the portfolio, ranked #315.

Two Sigma Investments first reported a position in MKTX in Q2 2013 and has held it in 18 quarters since. The position peaked at $96.7M in Q4 2025. 450 funds tracked by Wall St. Rank hold MKTX as of Q1 2026.

Two Sigma Investments held 524,024 shares of MarketAxess Holdings worth $86.5M as of Q1 2026.
Two Sigma Investments sold 9,503 MarketAxess Holdings shares in Q1 2026, an estimated $1.66M.
MarketAxess Holdings made up 0.07% of Two Sigma Investments's portfolio in Q1 2026, its #315 holding.
Two Sigma Investments first reported a position in MarketAxess Holdings in Q2 2013 and has held it in 18 quarters since.
Two Sigma Investments's MarketAxess Holdings position peaked at $96.7M in Q4 2025.
450 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q1 2026.

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