MARKETAXESS HLDGS INC

Ticker: MKTX CUSIP: 57060D108 Class: COM

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2025

Shares 20,549 Value ($000) $3,725 Avg Close $169.50 Range $154.80 - $183.58

Q3 2025

Shares 17,903 Value ($000) $3,120 Avg Close $193.45 Range $172.51 - $222.19

Q2 2025

Shares 38,068 Value ($000) $8,502 Avg Close $216.56 Range $190.86 - $229.08

Q1 2025

Shares 38,550 Value ($000) $8,340 Avg Close $206.23 Range $183.82 - $224.26

Q4 2024

Shares 38,697 Value ($000) $8,747 Avg Close $257.54 Range $220.08 - $289.94

Q3 2024

Shares 39,313 Value ($000) $10,072 Avg Close $228.65 Range $187.70 - $258.10

Q2 2024

Shares 40,014 Value ($000) $8,024 Avg Close $200.47 Range $187.45 - $222.81

Q1 2024

Shares 39,259 Value ($000) $8,608 Avg Close $228.96 Range $194.52 - $282.26

Q4 2023

Shares 49,838 Value ($000) $14,595 Avg Close $233.72 Range $195.99 - $288.33

Q3 2023

Shares 82,877 Value ($000) $17,706 Avg Close $233.55 Range $192.90 - $268.22

Q2 2023

Shares 229,697 Value ($000) $60,047 Avg Close $286.65 Range $245.65 - $383.62

Q1 2023

Shares 61,434 Value ($000) $24,039 Avg Close $339.53 Range $266.01 - $381.21

Q4 2022

Shares 70,353 Value ($000) $19,621 Avg Close $246.25 Range $210.55 - $283.35

Q3 2022

Shares 47,823 Value ($000) $10,640 Avg Close $244.83 Range $207.63 - $267.12

Q2 2022

Shares 50,431 Value ($000) $12,911 Avg Close $260.22 Range $237.15 - $332.85

Q1 2022

Shares 49,248 Value ($000) $16,754 Avg Close $344.01 Range $304.48 - $391.34

Q4 2021

Shares 343,390 Value ($000) $141,226 Avg Close $373.74 Range $323.75 - $410.92

Q3 2021

Shares 373,994 Value ($000) $157,336 Avg Close $434.10 Range $386.93 - $472.28

Q2 2021

Shares 363,058 Value ($000) $168,310 Avg Close $449.61 Range $407.56 - $515.46

Q1 2021

Shares 342,469 Value ($000) $170,522 Avg Close $503.06 Range $444.56 - $555.48

Q4 2020

Shares 88,097 Value ($000) $50,265 Avg Close $513.28 Range $445.05 - $571.70

Q3 2020

Shares 84,288 Value ($000) $40,592 Avg Close $465.37 Range $409.02 - $528.32

Q2 2020

Shares 77,110 Value ($000) $38,626 Avg Close $438.02 Range $297.02 - $495.82

Q1 2020

Shares 77,383 Value ($000) $25,735 Avg Close $327.01 Range $258.83 - $365.21

Q4 2019

Shares 79,319 Value ($000) $30,071 Avg Close $343.80 Range $297.75 - $386.27

Q3 2019

Shares 83,350 Value ($000) $27,297 Avg Close $335.01 Range $297.39 - $394.69

Q2 2019

Shares 336,594 Value ($000) $108,188 Avg Close $270.14 Range $225.08 - $320.72

Q1 2019

Shares 444,032 Value ($000) $109,267 Avg Close $211.23 Range $192.59 - $233.31

Q4 2018

Shares 608,519 Value ($000) $128,586 Avg Close $192.62 Range $159.95 - $215.45

Q3 2018

Shares 792,307 Value ($000) $141,419 Avg Close $178.37 Range $164.65 - $196.55

Q2 2018

Shares 640,868 Value ($000) $126,802 Avg Close $192.09 Range $180.81 - $204.01

Q1 2018

Shares 1,143,204 Value ($000) $248,578 Avg Close $190.22 Range $171.07 - $212.71

Q4 2017

Shares 1,137,345 Value ($000) $229,459 Avg Close $174.10 Range $158.03 - $190.10

Q3 2017

Shares 844,908 Value ($000) $155,894 Avg Close $176.21 Range $159.36 - $192.97

Q2 2017

Shares 310,545 Value ($000) $62,451 Avg Close $176.15 Range $163.16 - $194.23

Q1 2017

Shares 259,198 Value ($000) $48,597 Avg Close $166.41 Range $135.53 - $184.55

Q4 2016

Shares 368,289 Value ($000) $54,109 Avg Close $145.60 Range $133.06 - $158.12

Q3 2016

Shares 197,814 Value ($000) $32,756 Avg Close $148.56 Range $129.96 - $163.14

Q2 2016

Shares 34,423 Value ($000) $5,005 Avg Close $121.40 Range $107.26 - $133.06

Q1 2016

Shares 67,872 Value ($000) $8,472 Avg Close $104.04 Range $89.17 - $116.19

Q4 2015

Shares 66,452 Value ($000) $7,415 Avg Close $92.99 Range $78.27 - $105.44

Q3 2015

Shares 65,225 Value ($000) $6,058 Avg Close $87.71 Range $79.52 - $94.87

Q2 2015

Shares 67,339 Value ($000) $6,247 Avg Close $79.87 Range $74.17 - $89.60

Q1 2015

Shares 68,239 Value ($000) $5,657 Avg Close $71.51 Range $59.68 - $80.40

Q4 2014

Shares 72,639 Value ($000) $5,209 Avg Close $59.29 Range $54.38 - $66.53

Q3 2014

Shares 73,939 Value ($000) $4,574 Avg Close $50.63 Range $42.39 - $56.56

Q2 2014

Shares 78,939 Value ($000) $4,267 Avg Close $48.96 Range $44.53 - $53.88

Q1 2014

Shares 78,948 Value ($000) $4,675 Avg Close $55.22 Range $51.55 - $60.27

Q4 2013

Shares 81,140 Value ($000) $5,426 Avg Close $58.63 Range $53.33 - $63.89

Q3 2013

Shares 82,739 Value ($000) $4,968 Avg Close $47.53 Range $41.58 - $55.43

Q2 2013

Shares 81,639 Value ($000) $3,817 Avg Close $38.12 Range $32.31 - $42.94

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	20,549	$3,725	$169.50	$154.80 - $183.58
Q3 2025	17,903	$3,120	$193.45	$172.51 - $222.19
Q2 2025	38,068	$8,502	$216.56	$190.86 - $229.08
Q1 2025	38,550	$8,340	$206.23	$183.82 - $224.26
Q4 2024	38,697	$8,747	$257.54	$220.08 - $289.94
Q3 2024	39,313	$10,072	$228.65	$187.70 - $258.10
Q2 2024	40,014	$8,024	$200.47	$187.45 - $222.81
Q1 2024	39,259	$8,608	$228.96	$194.52 - $282.26
Q4 2023	49,838	$14,595	$233.72	$195.99 - $288.33
Q3 2023	82,877	$17,706	$233.55	$192.90 - $268.22
Q2 2023	229,697	$60,047	$286.65	$245.65 - $383.62
Q1 2023	61,434	$24,039	$339.53	$266.01 - $381.21
Q4 2022	70,353	$19,621	$246.25	$210.55 - $283.35
Q3 2022	47,823	$10,640	$244.83	$207.63 - $267.12
Q2 2022	50,431	$12,911	$260.22	$237.15 - $332.85
Q1 2022	49,248	$16,754	$344.01	$304.48 - $391.34
Q4 2021	343,390	$141,226	$373.74	$323.75 - $410.92
Q3 2021	373,994	$157,336	$434.10	$386.93 - $472.28
Q2 2021	363,058	$168,310	$449.61	$407.56 - $515.46
Q1 2021	342,469	$170,522	$503.06	$444.56 - $555.48
Q4 2020	88,097	$50,265	$513.28	$445.05 - $571.70
Q3 2020	84,288	$40,592	$465.37	$409.02 - $528.32
Q2 2020	77,110	$38,626	$438.02	$297.02 - $495.82
Q1 2020	77,383	$25,735	$327.01	$258.83 - $365.21
Q4 2019	79,319	$30,071	$343.80	$297.75 - $386.27
Q3 2019	83,350	$27,297	$335.01	$297.39 - $394.69
Q2 2019	336,594	$108,188	$270.14	$225.08 - $320.72
Q1 2019	444,032	$109,267	$211.23	$192.59 - $233.31
Q4 2018	608,519	$128,586	$192.62	$159.95 - $215.45
Q3 2018	792,307	$141,419	$178.37	$164.65 - $196.55
Q2 2018	640,868	$126,802	$192.09	$180.81 - $204.01
Q1 2018	1,143,204	$248,578	$190.22	$171.07 - $212.71
Q4 2017	1,137,345	$229,459	$174.10	$158.03 - $190.10
Q3 2017	844,908	$155,894	$176.21	$159.36 - $192.97
Q2 2017	310,545	$62,451	$176.15	$163.16 - $194.23
Q1 2017	259,198	$48,597	$166.41	$135.53 - $184.55
Q4 2016	368,289	$54,109	$145.60	$133.06 - $158.12
Q3 2016	197,814	$32,756	$148.56	$129.96 - $163.14
Q2 2016	34,423	$5,005	$121.40	$107.26 - $133.06
Q1 2016	67,872	$8,472	$104.04	$89.17 - $116.19
Q4 2015	66,452	$7,415	$92.99	$78.27 - $105.44
Q3 2015	65,225	$6,058	$87.71	$79.52 - $94.87
Q2 2015	67,339	$6,247	$79.87	$74.17 - $89.60
Q1 2015	68,239	$5,657	$71.51	$59.68 - $80.40
Q4 2014	72,639	$5,209	$59.29	$54.38 - $66.53
Q3 2014	73,939	$4,574	$50.63	$42.39 - $56.56
Q2 2014	78,939	$4,267	$48.96	$44.53 - $53.88
Q1 2014	78,948	$4,675	$55.22	$51.55 - $60.27
Q4 2013	81,140	$5,426	$58.63	$53.33 - $63.89
Q3 2013	82,739	$4,968	$47.53	$41.58 - $55.43
Q2 2013	81,639	$3,817	$38.12	$32.31 - $42.94