Shelton Capital Management’s MarketAxess Holdings MKTX Stock Holding History

Shelton 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	–	Sell	-1,244	Closed	-$205K	–	776
2026 Q1	$205K	Hold	1,244	–	–	﹤0.01%	672
2025 Q4	$225K	Buy	+1,244	New	+$212K	﹤0.01%	611
2019 Q3	–	Sell	-2,556	Closed	-$822K	–	851
2019 Q2	$822K	Buy	2,556 +1,886	+281%	+$545K	0.05%	255
2019 Q1	$2.72K	Sell	670 -2,054	-75%	-$465K	0.01%	750
2018 Q4	$576K	Hold	2,724	–	–	0.04%	283
2018 Q3	$486K	Hold	2,724	–	–	0.03%	368
2018 Q2	$539K	Hold	2,724	–	–	0.03%	325
2018 Q1	$592K	Hold	2,724	–	–	0.04%	319
2017 Q4	$550K	Hold	2,724	–	–	0.04%	353
2017 Q3	$503K	Hold	2,724	–	–	0.03%	359
2017 Q2	$548K	Hold	2,724	–	–	0.04%	341
2017 Q1	$511K	Hold	2,724	–	–	0.04%	361
2016 Q4	$400K	Hold	2,724	–	–	0.03%	473
2016 Q3	$451K	Buy	+2,724	New	+$442K	0.04%	404
2016 Q1	–	Sell	-2,835	Closed	-$316K	–	772
2015 Q4	$316K	Hold	2,835	–	–	0.03%	520
2015 Q3	$263K	Hold	2,835	–	–	0.03%	588
2015 Q2	$263K	Sell	2,835 -180	-6%	-$15.9K	0.03%	628
2015 Q1	$250K	Hold	3,015	–	–	0.03%	682
2014 Q4	$216K	Buy	+3,015	New	+$198K	0.03%	728

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

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

Shelton Capital Management sold out of MarketAxess Holdings (MKTX) in Q2 2026, closing a stake of 1,244 shares — an estimated $205K sold.

Shelton Capital Management first reported a position in MKTX in Q4 2014 and held it in 19 quarters. The position peaked at $822K in Q2 2019. 393 funds tracked by Wall St. Rank hold MKTX as of Q2 2026.

Shelton Capital Management reported no remaining MarketAxess Holdings position as of Q2 2026 after selling out during the quarter.
Shelton Capital Management sold 1,244 MarketAxess Holdings shares in Q2 2026, an estimated $205K.
Shelton Capital Management first reported a position in MarketAxess Holdings in Q4 2014 and held it in 19 quarters.
Shelton Capital Management's MarketAxess Holdings position peaked at $822K in Q2 2019.
393 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q2 2026.

Based on Shelton Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.