R Squared’s MarketAxess Holdings MKTX Stock Holding History

R Squared’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
2026 Q2	–	Sell	-1,590	Closed	-$262K	–	635
2026 Q1	$262K	Buy	+1,590	New	+$279K	0.14%	244
2025 Q4	–	Sell	-2,194	Closed	-$382K	–	642
2025 Q3	$382K	Buy	2,194 +457	+26%	+$89.4K	0.16%	194
2025 Q2	$388K	Buy	+1,737	New	+$382K	0.21%	153
2025 Q1	–	Sell	-210	Closed	-$47.5K	–	1004
2024 Q4	$47.5K	Buy	+210	New	+$55.3K	0.05%	517

Other funds holding MKTX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

NRCM

North Reef Capital Management Laguna Beach, California $2.61B AUM 11.5% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

R Squared's MKTX Position: Q2 2026 in Review

R Squared sold out of MarketAxess Holdings (MKTX) in Q2 2026, closing a stake of 1,590 shares — an estimated $262K sold.

R Squared first reported a position in MKTX in Q4 2024 and held it in 4 quarters. The position peaked at $388K in Q2 2025. 393 funds tracked by Wall St. Rank hold MKTX as of Q2 2026.

R Squared reported no remaining MarketAxess Holdings position as of Q2 2026 after selling out during the quarter.
R Squared sold 1,590 MarketAxess Holdings shares in Q2 2026, an estimated $262K.
R Squared first reported a position in MarketAxess Holdings in Q4 2024 and held it in 4 quarters.
R Squared's MarketAxess Holdings position peaked at $388K in Q2 2025.
393 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q2 2026.

Based on R Squared's 13F filing for Q2 2026, filed 5 Aug 2026.