MARKETAXESS HLDGS INC

Ticker: MKTX CUSIP: 57060D108 Class: COM

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025

Shares 2,034 Value ($000) $354 Avg Close $193.45 Range $172.51 - $222.19

Q2 2025

Shares 2,051 Value ($000) $458 Avg Close $216.56 Range $190.86 - $229.08

Q3 2024

Shares 788 Value ($000) $202 Avg Close $228.65 Range $187.70 - $258.10

Q4 2019

Shares 13,710 Value ($000) $5,198 Avg Close $343.80 Range $297.75 - $386.27

Q3 2019

Shares 27,540 Value ($000) $9,019 Avg Close $335.01 Range $297.39 - $394.69

Q2 2019

Shares 13,085 Value ($000) $4,206 Avg Close $270.14 Range $225.08 - $320.72

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	2,034	$354	$193.45	$172.51 - $222.19
Q2 2025	2,051	$458	$216.56	$190.86 - $229.08
Q3 2024	788	$202	$228.65	$187.70 - $258.10
Q4 2019	13,710	$5,198	$343.80	$297.75 - $386.27
Q3 2019	27,540	$9,019	$335.01	$297.39 - $394.69
Q2 2019	13,085	$4,206	$270.14	$225.08 - $320.72