MARKETAXESS HLDGS INC

Ticker: MKTX CUSIP: 57060D108 Class: COM

HORIZON KINETICS ASSET MANAGEMENT LLC's Holding History (CIK: 0001056823)

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

Q4 2025

Shares 1,950 Value ($000) $353 Avg Close $169.50 Range $154.80 - $183.58

Q3 2025

Shares 1,950 Value ($000) $340 Avg Close $193.45 Range $172.51 - $222.19

Q2 2025

Shares 1,874 Value ($000) $419 Avg Close $216.56 Range $190.86 - $229.08

Q1 2025

Shares 1,494 Value ($000) $323 Avg Close $206.23 Range $183.82 - $224.26

Q4 2024

Shares 1,494 Value ($000) $338 Avg Close $257.54 Range $220.08 - $289.94

Q3 2024

Shares 1,342 Value ($000) $344 Avg Close $228.65 Range $187.70 - $258.10

Q2 2024

Shares 1,266 Value ($000) $254 Avg Close $200.47 Range $187.45 - $222.81

Q1 2024

Shares 969 Value ($000) $212 Avg Close $228.96 Range $194.52 - $282.26

Q4 2023

Shares 725 Value ($000) $212 Avg Close $233.72 Range $195.99 - $288.33

Q2 2022

Shares 5,704 Value ($000) $1,460 Avg Close $260.22 Range $237.15 - $332.85

Q1 2022

Shares 5,704 Value ($000) $1,940 Avg Close $344.01 Range $304.48 - $391.34

Q4 2021

Shares 5,704 Value ($000) $2,346 Avg Close $373.74 Range $323.75 - $410.92

Q3 2021

Shares 5,154 Value ($000) $2,168 Avg Close $434.10 Range $386.93 - $472.28

Q2 2021

Shares 5,154 Value ($000) $2,389 Avg Close $449.61 Range $407.56 - $515.46

Q1 2021

Shares 5,000 Value ($000) $2,490 Avg Close $503.06 Range $444.56 - $555.48

Q4 2020

Shares 5,000 Value ($000) $2,853 Avg Close $513.28 Range $445.05 - $571.70

Q3 2020

Shares 5,000 Value ($000) $2,408 Avg Close $465.37 Range $409.02 - $528.32

Q2 2020

Shares 5,000 Value ($000) $2,505 Avg Close $438.02 Range $297.02 - $495.82

Q1 2020

Shares 5,000 Value ($000) $1,663 Avg Close $327.01 Range $258.83 - $365.21

Q4 2019

Shares 5,000 Value ($000) $1,896 Avg Close $343.80 Range $297.75 - $386.27

Q3 2019

Shares 5,000 Value ($000) $1,638 Avg Close $335.01 Range $297.39 - $394.69

Q2 2019

Shares 5,000 Value ($000) $1,607 Avg Close $270.14 Range $225.08 - $320.72

Q1 2019

Shares 5,000 Value ($000) $1,230 Avg Close $211.23 Range $192.59 - $233.31

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,950	$353	$169.50	$154.80 - $183.58
Q3 2025	1,950	$340	$193.45	$172.51 - $222.19
Q2 2025	1,874	$419	$216.56	$190.86 - $229.08
Q1 2025	1,494	$323	$206.23	$183.82 - $224.26
Q4 2024	1,494	$338	$257.54	$220.08 - $289.94
Q3 2024	1,342	$344	$228.65	$187.70 - $258.10
Q2 2024	1,266	$254	$200.47	$187.45 - $222.81
Q1 2024	969	$212	$228.96	$194.52 - $282.26
Q4 2023	725	$212	$233.72	$195.99 - $288.33
Q2 2022	5,704	$1,460	$260.22	$237.15 - $332.85
Q1 2022	5,704	$1,940	$344.01	$304.48 - $391.34
Q4 2021	5,704	$2,346	$373.74	$323.75 - $410.92
Q3 2021	5,154	$2,168	$434.10	$386.93 - $472.28
Q2 2021	5,154	$2,389	$449.61	$407.56 - $515.46
Q1 2021	5,000	$2,490	$503.06	$444.56 - $555.48
Q4 2020	5,000	$2,853	$513.28	$445.05 - $571.70
Q3 2020	5,000	$2,408	$465.37	$409.02 - $528.32
Q2 2020	5,000	$2,505	$438.02	$297.02 - $495.82
Q1 2020	5,000	$1,663	$327.01	$258.83 - $365.21
Q4 2019	5,000	$1,896	$343.80	$297.75 - $386.27
Q3 2019	5,000	$1,638	$335.01	$297.39 - $394.69
Q2 2019	5,000	$1,607	$270.14	$225.08 - $320.72
Q1 2019	5,000	$1,230	$211.23	$192.59 - $233.31