Quantinno Capital Management’s MarketAxess Holdings MKTX Stock Holding History

Quantinno Capital Management’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	$5.4M	Buy	47,575 +585	+1%	+$83.4K	0.01%	1243
2026 Q1	$7.75M	Buy	46,990 +5,761	+14%	+$1.01M	0.01%	965
2025 Q4	$7.47M	Buy	41,229 +30,168	+273%	+$5.15M	0.02%	898
2025 Q3	$1.93M	Sell	11,061 -4,375	-28%	-$856K	0.01%	1244
2025 Q2	$3.45M	Buy	15,436 +6,458	+72%	+$1.42M	0.01%	945
2025 Q1	$1.94M	Buy	8,978 +2,309	+35%	+$485K	0.01%	991
2024 Q4	$1.51M	Buy	6,669 +5,262	+374%	+$1.39M	0.01%	949
2024 Q3	$360K	Buy	+1,407	New	+$330K	﹤0.01%	1218
2024 Q1	–	Sell	-697	Closed	-$204K	–	1221
2023 Q4	$204K	Buy	+697	New	+$169K	0.01%	1048

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

Quantinno Capital Management's MKTX Position: Q2 2026 in Review

Quantinno Capital Management increased its MarketAxess Holdings (MKTX) stake by 1.2% in Q2 2026, buying an estimated $83.4K and bringing the position to 47,575 shares worth $5.4M. The position accounts for 0.01% of the portfolio, ranked #1243.

Quantinno Capital Management first reported a position in MKTX in Q4 2023 and has held it in 9 quarters since. The position peaked at $7.75M in Q1 2026. 394 funds tracked by Wall St. Rank hold MKTX as of Q2 2026.

Quantinno Capital Management held 47,575 shares of MarketAxess Holdings worth $5.4M as of Q2 2026.
Quantinno Capital Management bought 585 MarketAxess Holdings shares in Q2 2026, an estimated $83.4K.
MarketAxess Holdings made up 0.01% of Quantinno Capital Management's portfolio in Q2 2026, its #1243 holding.
Quantinno Capital Management first reported a position in MarketAxess Holdings in Q4 2023 and has held it in 9 quarters since.
Quantinno Capital Management's MarketAxess Holdings position peaked at $7.75M in Q1 2026.
394 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q2 2026.

Based on Quantinno Capital Management's 13F filing for Q2 2026, filed 13 Aug 2026.