MARKETAXESS HLDGS INC

Ticker: MKTX CUSIP: 57060D108 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025

Shares 526,981 Value ($000) $95,518 Avg Close $169.50 Range $154.80 - $183.58

Q3 2025

Shares 521,129 Value ($000) $90,815 Avg Close $193.45 Range $172.51 - $222.19

Q2 2025

Shares 511,422 Value ($000) $114,212 Avg Close $216.56 Range $190.86 - $229.08

Q1 2025

Shares 470,760 Value ($000) $101,848 Avg Close $206.23 Range $183.82 - $224.26

Q4 2024

Shares 397,867 Value ($000) $89,934 Avg Close $257.54 Range $220.08 - $289.94

Q3 2024

Shares 372,104 Value ($000) $95,330 Avg Close $228.65 Range $187.70 - $258.10

Q2 2024

Shares 323,064 Value ($000) $64,784 Avg Close $200.47 Range $187.45 - $222.81

Q1 2024

Shares 215,749 Value ($000) $47,303 Avg Close $228.96 Range $194.52 - $282.26

Q4 2023

Shares 202,234 Value ($000) $59,229 Avg Close $233.72 Range $195.99 - $288.33

Q3 2023

Shares 196,759 Value ($000) $42,032 Avg Close $233.55 Range $192.90 - $268.22

Q2 2023

Shares 193,050 Value ($000) $50,469 Avg Close $286.65 Range $245.65 - $383.62

Q1 2023

Shares 187,856 Value ($000) $73,504 Avg Close $339.53 Range $266.01 - $381.21

Q4 2022

Shares 187,790 Value ($000) $52 Avg Close $246.25 Range $210.55 - $283.35

Q3 2022

Shares 181,634 Value ($000) $40,415 Avg Close $244.83 Range $207.63 - $267.12

Q2 2022

Shares 179,025 Value ($000) $45,834 Avg Close $260.22 Range $237.15 - $332.85

Q1 2022

Shares 167,692 Value ($000) $57,056 Avg Close $344.01 Range $304.48 - $391.34

Q4 2021

Shares 172,038 Value ($000) $70,755 Avg Close $373.74 Range $323.75 - $410.92

Q3 2021

Shares 179,596 Value ($000) $75,559 Avg Close $434.10 Range $386.93 - $472.28

Q2 2021

Shares 180,453 Value ($000) $83,665 Avg Close $449.61 Range $407.56 - $515.46

Q1 2021

Shares 179,927 Value ($000) $89,587 Avg Close $503.06 Range $444.56 - $555.48

Q4 2020

Shares 181,009 Value ($000) $103,268 Avg Close $513.28 Range $445.05 - $571.70

Q3 2020

Shares 185,315 Value ($000) $89,250 Avg Close $465.37 Range $409.02 - $528.32

Q2 2020

Shares 183,042 Value ($000) $91,686 Avg Close $438.02 Range $297.02 - $495.82

Q1 2020

Shares 187,772 Value ($000) $62,470 Avg Close $327.01 Range $258.83 - $365.21

Q4 2019

Shares 198,206 Value ($000) $75,137 Avg Close $343.80 Range $297.75 - $386.27

Q3 2019

Shares 202,678 Value ($000) $66,374 Avg Close $335.01 Range $297.39 - $394.69

Q2 2019

Shares 197,066 Value ($000) $63,335 Avg Close $270.14 Range $225.08 - $320.72

Q1 2019

Shares 197,169 Value ($000) $48,520 Avg Close $211.23 Range $192.59 - $233.31

Q4 2018

Shares 199,012 Value ($000) $42,050 Avg Close $192.62 Range $159.95 - $215.45

Q3 2018

Shares 186,916 Value ($000) $33,362 Avg Close $178.37 Range $164.65 - $196.55

Q2 2018

Shares 171,423 Value ($000) $33,923 Avg Close $192.09 Range $180.81 - $204.01

Q1 2018

Shares 169,727 Value ($000) $36,905 Avg Close $190.22 Range $171.07 - $212.71

Q4 2017

Shares 169,228 Value ($000) $34,143 Avg Close $174.10 Range $158.03 - $190.10

Q3 2017

Shares 180,133 Value ($000) $33,235 Avg Close $176.21 Range $159.36 - $192.97

Q2 2017

Shares 192,502 Value ($000) $38,715 Avg Close $176.15 Range $163.16 - $194.23

Q1 2017

Shares 213,758 Value ($000) $40,076 Avg Close $166.41 Range $135.53 - $184.55

Q4 2016

Shares 392,845 Value ($000) $57,716 Avg Close $145.60 Range $133.06 - $158.12

Q3 2016

Shares 628,917 Value ($000) $104,143 Avg Close $148.56 Range $129.96 - $163.14

Q2 2016

Shares 639,596 Value ($000) $92,995 Avg Close $121.40 Range $107.26 - $133.06

Q1 2016

Shares 636,721 Value ($000) $79,481 Avg Close $104.04 Range $89.17 - $116.19

Q4 2015

Shares 649,410 Value ($000) $72,469 Avg Close $92.99 Range $78.27 - $105.44

Q3 2015

Shares 646,881 Value ($000) $60,081 Avg Close $87.71 Range $79.52 - $94.87

Q2 2015

Shares 646,077 Value ($000) $59,937 Avg Close $79.87 Range $74.17 - $89.60

Q1 2015

Shares 639,265 Value ($000) $52,997 Avg Close $71.51 Range $59.68 - $80.40

Q4 2014

Shares 624,841 Value ($000) $44,808 Avg Close $59.29 Range $54.38 - $66.53

Q3 2014

Shares 580,908 Value ($000) $35,935 Avg Close $50.63 Range $42.39 - $56.56

Q2 2014

Shares 567,112 Value ($000) $30,659 Avg Close $48.96 Range $44.53 - $53.88

Q1 2014

Shares 554,502 Value ($000) $32,837 Avg Close $55.22 Range $51.55 - $60.27

Q4 2013

Shares 553,591 Value ($000) $37,018 Avg Close $58.63 Range $53.33 - $63.89

Q3 2013

Shares 528,817 Value ($000) $31,750 Avg Close $47.53 Range $41.58 - $55.43

Q2 2013

Shares 523,231 Value ($000) $24,461 Avg Close $38.12 Range $32.31 - $42.94

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	526,981	$95,518	$169.50	$154.80 - $183.58
Q3 2025	521,129	$90,815	$193.45	$172.51 - $222.19
Q2 2025	511,422	$114,212	$216.56	$190.86 - $229.08
Q1 2025	470,760	$101,848	$206.23	$183.82 - $224.26
Q4 2024	397,867	$89,934	$257.54	$220.08 - $289.94
Q3 2024	372,104	$95,330	$228.65	$187.70 - $258.10
Q2 2024	323,064	$64,784	$200.47	$187.45 - $222.81
Q1 2024	215,749	$47,303	$228.96	$194.52 - $282.26
Q4 2023	202,234	$59,229	$233.72	$195.99 - $288.33
Q3 2023	196,759	$42,032	$233.55	$192.90 - $268.22
Q2 2023	193,050	$50,469	$286.65	$245.65 - $383.62
Q1 2023	187,856	$73,504	$339.53	$266.01 - $381.21
Q4 2022	187,790	$52	$246.25	$210.55 - $283.35
Q3 2022	181,634	$40,415	$244.83	$207.63 - $267.12
Q2 2022	179,025	$45,834	$260.22	$237.15 - $332.85
Q1 2022	167,692	$57,056	$344.01	$304.48 - $391.34
Q4 2021	172,038	$70,755	$373.74	$323.75 - $410.92
Q3 2021	179,596	$75,559	$434.10	$386.93 - $472.28
Q2 2021	180,453	$83,665	$449.61	$407.56 - $515.46
Q1 2021	179,927	$89,587	$503.06	$444.56 - $555.48
Q4 2020	181,009	$103,268	$513.28	$445.05 - $571.70
Q3 2020	185,315	$89,250	$465.37	$409.02 - $528.32
Q2 2020	183,042	$91,686	$438.02	$297.02 - $495.82
Q1 2020	187,772	$62,470	$327.01	$258.83 - $365.21
Q4 2019	198,206	$75,137	$343.80	$297.75 - $386.27
Q3 2019	202,678	$66,374	$335.01	$297.39 - $394.69
Q2 2019	197,066	$63,335	$270.14	$225.08 - $320.72
Q1 2019	197,169	$48,520	$211.23	$192.59 - $233.31
Q4 2018	199,012	$42,050	$192.62	$159.95 - $215.45
Q3 2018	186,916	$33,362	$178.37	$164.65 - $196.55
Q2 2018	171,423	$33,923	$192.09	$180.81 - $204.01
Q1 2018	169,727	$36,905	$190.22	$171.07 - $212.71
Q4 2017	169,228	$34,143	$174.10	$158.03 - $190.10
Q3 2017	180,133	$33,235	$176.21	$159.36 - $192.97
Q2 2017	192,502	$38,715	$176.15	$163.16 - $194.23
Q1 2017	213,758	$40,076	$166.41	$135.53 - $184.55
Q4 2016	392,845	$57,716	$145.60	$133.06 - $158.12
Q3 2016	628,917	$104,143	$148.56	$129.96 - $163.14
Q2 2016	639,596	$92,995	$121.40	$107.26 - $133.06
Q1 2016	636,721	$79,481	$104.04	$89.17 - $116.19
Q4 2015	649,410	$72,469	$92.99	$78.27 - $105.44
Q3 2015	646,881	$60,081	$87.71	$79.52 - $94.87
Q2 2015	646,077	$59,937	$79.87	$74.17 - $89.60
Q1 2015	639,265	$52,997	$71.51	$59.68 - $80.40
Q4 2014	624,841	$44,808	$59.29	$54.38 - $66.53
Q3 2014	580,908	$35,935	$50.63	$42.39 - $56.56
Q2 2014	567,112	$30,659	$48.96	$44.53 - $53.88
Q1 2014	554,502	$32,837	$55.22	$51.55 - $60.27
Q4 2013	553,591	$37,018	$58.63	$53.33 - $63.89
Q3 2013	528,817	$31,750	$47.53	$41.58 - $55.43
Q2 2013	523,231	$24,461	$38.12	$32.31 - $42.94