Summit Trail Advisors’s MarketAxess Holdings MKTX Stock Holding History

Summit Trail Advisors’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	$1.18M	Buy	10,375 +1,973	+23%	+$281K	0.01%	911
2026 Q1	$1.39M	Buy	8,402 +2,568	+44%	+$450K	0.02%	768
2025 Q4	$1.06M	Buy	5,834 +657	+13%	+$112K	0.02%	788
2025 Q3	$902K	Buy	5,177 +4,171	+415%	+$816K	0.01%	893
2025 Q2	$225K	Buy	+1,006	New	+$221K	﹤0.01%	1025

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

Summit Trail Advisors's MKTX Position: Q2 2026 in Review

Summit Trail Advisors increased its MarketAxess Holdings (MKTX) stake by 23% in Q2 2026, buying an estimated $281K and bringing the position to 10,375 shares worth $1.18M. The position accounts for 0.01% of the portfolio, ranked #911.

Summit Trail Advisors first reported a position in MKTX in Q2 2025 and has held it in 5 quarters since. The position peaked at $1.39M in Q1 2026. 396 funds tracked by Wall St. Rank hold MKTX as of Q2 2026.

Summit Trail Advisors held 10,375 shares of MarketAxess Holdings worth $1.18M as of Q2 2026.
Summit Trail Advisors bought 1,973 MarketAxess Holdings shares in Q2 2026, an estimated $281K.
MarketAxess Holdings made up 0.01% of Summit Trail Advisors's portfolio in Q2 2026, its #911 holding.
Summit Trail Advisors first reported a position in MarketAxess Holdings in Q2 2025 and has held it in 5 quarters since.
Summit Trail Advisors's MarketAxess Holdings position peaked at $1.39M in Q1 2026.
396 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q2 2026.

Based on Summit Trail Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.