MYDA Advisors’s MarketAxess Holdings MKTX Stock Holding History

MYDA 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 Q1	–	Sell	-3,000	Closed	-$544K	–	187
2025 Q4	$544K	Buy	3,000 +1,485	+98%	+$253K	0.1%	112
2025 Q3	$264K	Buy	+1,515	New	+$296K	0.06%	143

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

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

NRCM

North Reef Capital Management Laguna Beach, California $2.61B AUM 11.5% 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

VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

MYDA Advisors's MKTX Position: Q1 2026 in Review

MYDA Advisors sold out of MarketAxess Holdings (MKTX) in Q1 2026, closing a stake of 3,000 shares — an estimated $544K sold.

MYDA Advisors first reported a position in MKTX in Q3 2025 and held it in 2 quarters. The position peaked at $544K in Q4 2025. 452 funds tracked by Wall St. Rank hold MKTX as of Q1 2026.

MYDA Advisors reported no remaining MarketAxess Holdings position as of Q1 2026 after selling out during the quarter.
MYDA Advisors sold 3,000 MarketAxess Holdings shares in Q1 2026, an estimated $544K.
MYDA Advisors first reported a position in MarketAxess Holdings in Q3 2025 and held it in 2 quarters.
MYDA Advisors's MarketAxess Holdings position peaked at $544K in Q4 2025.
452 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q1 2026.

Based on MYDA Advisors's 13F filing for Q1 2026, filed 14 May 2026.