MARKETAXESS HLDGS INC

Ticker: MKTX CUSIP: 57060D108 Class: COM

Capital International Investors's Holding History (CIK: 0001562230)

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

Q2 2021

Shares 29,200 Value ($000) $13,537 Avg Close $449.61 Range $407.56 - $515.46

Q1 2021

Shares 29,200 Value ($000) $14,539 Avg Close $503.06 Range $444.56 - $555.48

Q4 2020

Shares 124,909 Value ($000) $71,268 Avg Close $513.28 Range $445.05 - $571.70

Q3 2020

Shares 177,900 Value ($000) $85,675 Avg Close $465.37 Range $409.02 - $528.32

Q2 2020

Shares 177,900 Value ($000) $89,114 Avg Close $438.02 Range $297.02 - $495.82

Q1 2020

Shares 177,900 Value ($000) $59,164 Avg Close $327.01 Range $258.83 - $365.21

Q4 2019

Shares 187,500 Value ($000) $71,083 Avg Close $343.80 Range $297.75 - $386.27

Q3 2019

Shares 159,200 Value ($000) $52,138 Avg Close $335.01 Range $297.39 - $394.69

Q2 2019

Shares 185,000 Value ($000) $59,463 Avg Close $270.14 Range $225.08 - $320.72

Q1 2019

Shares 220,000 Value ($000) $54,138 Avg Close $211.23 Range $192.59 - $233.31

Q4 2018

Shares 220,000 Value ($000) $46,488 Avg Close $192.62 Range $159.95 - $215.45

Q3 2018

Shares 220,000 Value ($000) $39,268 Avg Close $178.37 Range $164.65 - $196.55

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2021	29,200	$13,537	$449.61	$407.56 - $515.46
Q1 2021	29,200	$14,539	$503.06	$444.56 - $555.48
Q4 2020	124,909	$71,268	$513.28	$445.05 - $571.70
Q3 2020	177,900	$85,675	$465.37	$409.02 - $528.32
Q2 2020	177,900	$89,114	$438.02	$297.02 - $495.82
Q1 2020	177,900	$59,164	$327.01	$258.83 - $365.21
Q4 2019	187,500	$71,083	$343.80	$297.75 - $386.27
Q3 2019	159,200	$52,138	$335.01	$297.39 - $394.69
Q2 2019	185,000	$59,463	$270.14	$225.08 - $320.72
Q1 2019	220,000	$54,138	$211.23	$192.59 - $233.31
Q4 2018	220,000	$46,488	$192.62	$159.95 - $215.45
Q3 2018	220,000	$39,268	$178.37	$164.65 - $196.55