MARKETAXESS HLDGS INC

Ticker: MKTX CUSIP: 57060D108 Class: COM

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2025

Shares 33,975 Value ($000) $6 Avg Close $169.50 Range $154.80 - $183.58

Q3 2025

Shares 31,594 Value ($000) $6 Avg Close $193.45 Range $172.51 - $222.19

Q2 2025

Shares 59,478 Value ($000) $13 Avg Close $216.56 Range $190.86 - $229.08

Q1 2025

Shares 59,404 Value ($000) $13 Avg Close $206.23 Range $183.82 - $224.26

Q4 2024

Shares 63,035 Value ($000) $14 Avg Close $257.54 Range $220.08 - $289.94

Q3 2024

Shares 63,862 Value ($000) $16 Avg Close $228.65 Range $187.70 - $258.10

Q2 2024

Shares 99,403 Value ($000) $20 Avg Close $200.47 Range $187.45 - $222.81

Q1 2024

Shares 148,356 Value ($000) $33 Avg Close $228.96 Range $194.52 - $282.26

Q4 2023

Shares 868,831 Value ($000) $254 Avg Close $233.72 Range $195.99 - $288.33

Q3 2023

Shares 250,298 Value ($000) $53 Avg Close $233.55 Range $192.90 - $268.22

Q2 2023

Shares 379,335 Value ($000) $99 Avg Close $286.65 Range $245.65 - $383.62

Q1 2023

Shares 374,040 Value ($000) $146 Avg Close $339.53 Range $266.01 - $381.21

Q4 2022

Shares 325,702 Value ($000) $91 Avg Close $246.25 Range $210.55 - $283.35

Q3 2022

Shares 336,310 Value ($000) $74,827 Avg Close $244.83 Range $207.63 - $267.12

Q2 2022

Shares 2,980,648 Value ($000) $763,076 Avg Close $260.22 Range $237.15 - $332.85

Q1 2022

Shares 3,707,348 Value ($000) $1,261,240 Avg Close $344.01 Range $304.48 - $391.34

Q4 2021

Shares 3,668,968 Value ($000) $1,508,936 Avg Close $373.74 Range $323.75 - $410.92

Q3 2021

Shares 3,660,311 Value ($000) $1,539,856 Avg Close $434.10 Range $386.93 - $472.28

Q2 2021

Shares 3,588,728 Value ($000) $1,663,698 Avg Close $449.61 Range $407.56 - $515.46

Q1 2021

Shares 2,175,538 Value ($000) $1,083,244 Avg Close $503.06 Range $444.56 - $555.48

Q4 2020

Shares 1,857,237 Value ($000) $1,059,665 Avg Close $513.28 Range $445.05 - $571.70

Q3 2020

Shares 1,326,874 Value ($000) $639,009 Avg Close $465.37 Range $409.02 - $528.32

Q2 2020

Shares 1,345,551 Value ($000) $674,013 Avg Close $438.02 Range $297.02 - $495.82

Q1 2020

Shares 1,602,390 Value ($000) $532,907 Avg Close $327.01 Range $258.83 - $365.21

Q4 2019

Shares 1,783,052 Value ($000) $675,973 Avg Close $343.80 Range $297.75 - $386.27

Q3 2019

Shares 2,069,667 Value ($000) $677,816 Avg Close $335.01 Range $297.39 - $394.69

Q2 2019

Shares 2,228,517 Value ($000) $716,290 Avg Close $270.14 Range $225.08 - $320.72

Q1 2019

Shares 2,186,451 Value ($000) $538,042 Avg Close $211.23 Range $192.59 - $233.31

Q4 2018

Shares 2,206,014 Value ($000) $466,153 Avg Close $192.62 Range $159.95 - $215.45

Q3 2018

Shares 2,235,581 Value ($000) $399,029 Avg Close $178.37 Range $164.65 - $196.55

Q2 2018

Shares 2,285,848 Value ($000) $452,278 Avg Close $192.09 Range $180.81 - $204.01

Q1 2018

Shares 2,331,944 Value ($000) $507,058 Avg Close $190.22 Range $171.07 - $212.71

Q4 2017

Shares 2,090,102 Value ($000) $421,678 Avg Close $174.10 Range $158.03 - $190.10

Q3 2017

Shares 501,944 Value ($000) $92,614 Avg Close $176.21 Range $159.36 - $192.97

Q2 2017

Shares 327,489 Value ($000) $65,858 Avg Close $176.15 Range $163.16 - $194.23

Q1 2017

Shares 328,523 Value ($000) $61,595 Avg Close $166.41 Range $135.53 - $184.55

Q4 2016

Shares 324,143 Value ($000) $47,623 Avg Close $145.60 Range $133.06 - $158.12

Q3 2016

Shares 329,818 Value ($000) $54,615 Avg Close $148.56 Range $129.96 - $163.14

Q2 2016

Shares 311,846 Value ($000) $45,342 Avg Close $121.40 Range $107.26 - $133.06

Q1 2016

Shares 294,440 Value ($000) $36,755 Avg Close $104.04 Range $89.17 - $116.19

Q4 2015

Shares 297,400 Value ($000) $33,187 Avg Close $92.99 Range $78.27 - $105.44

Q3 2015

Shares 274,400 Value ($000) $25,486 Avg Close $87.71 Range $79.52 - $94.87

Q2 2015

Shares 243,000 Value ($000) $22,543 Avg Close $79.87 Range $74.17 - $89.60

Q1 2015

Shares 229,300 Value ($000) $19,009 Avg Close $71.51 Range $59.68 - $80.40

Q4 2014

Shares 210,600 Value ($000) $15,102 Avg Close $59.29 Range $54.38 - $66.53

Q3 2014

Shares 181,700 Value ($000) $11,240 Avg Close $50.63 Range $42.39 - $56.56

Q2 2014

Shares 176,400 Value ($000) $9,536 Avg Close $48.96 Range $44.53 - $53.88

Q1 2014

Shares 220,100 Value ($000) $13,034 Avg Close $55.22 Range $51.55 - $60.27

Q4 2013

Shares 198,700 Value ($000) $13,287 Avg Close $58.63 Range $53.33 - $63.89

Q3 2013

Shares 77,900 Value ($000) $4,677 Avg Close $47.53 Range $41.58 - $55.43

Q2 2013

Shares 11,700 Value ($000) $547 Avg Close $38.12 Range $32.31 - $42.94

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	33,975	$6	$169.50	$154.80 - $183.58
Q3 2025	31,594	$6	$193.45	$172.51 - $222.19
Q2 2025	59,478	$13	$216.56	$190.86 - $229.08
Q1 2025	59,404	$13	$206.23	$183.82 - $224.26
Q4 2024	63,035	$14	$257.54	$220.08 - $289.94
Q3 2024	63,862	$16	$228.65	$187.70 - $258.10
Q2 2024	99,403	$20	$200.47	$187.45 - $222.81
Q1 2024	148,356	$33	$228.96	$194.52 - $282.26
Q4 2023	868,831	$254	$233.72	$195.99 - $288.33
Q3 2023	250,298	$53	$233.55	$192.90 - $268.22
Q2 2023	379,335	$99	$286.65	$245.65 - $383.62
Q1 2023	374,040	$146	$339.53	$266.01 - $381.21
Q4 2022	325,702	$91	$246.25	$210.55 - $283.35
Q3 2022	336,310	$74,827	$244.83	$207.63 - $267.12
Q2 2022	2,980,648	$763,076	$260.22	$237.15 - $332.85
Q1 2022	3,707,348	$1,261,240	$344.01	$304.48 - $391.34
Q4 2021	3,668,968	$1,508,936	$373.74	$323.75 - $410.92
Q3 2021	3,660,311	$1,539,856	$434.10	$386.93 - $472.28
Q2 2021	3,588,728	$1,663,698	$449.61	$407.56 - $515.46
Q1 2021	2,175,538	$1,083,244	$503.06	$444.56 - $555.48
Q4 2020	1,857,237	$1,059,665	$513.28	$445.05 - $571.70
Q3 2020	1,326,874	$639,009	$465.37	$409.02 - $528.32
Q2 2020	1,345,551	$674,013	$438.02	$297.02 - $495.82
Q1 2020	1,602,390	$532,907	$327.01	$258.83 - $365.21
Q4 2019	1,783,052	$675,973	$343.80	$297.75 - $386.27
Q3 2019	2,069,667	$677,816	$335.01	$297.39 - $394.69
Q2 2019	2,228,517	$716,290	$270.14	$225.08 - $320.72
Q1 2019	2,186,451	$538,042	$211.23	$192.59 - $233.31
Q4 2018	2,206,014	$466,153	$192.62	$159.95 - $215.45
Q3 2018	2,235,581	$399,029	$178.37	$164.65 - $196.55
Q2 2018	2,285,848	$452,278	$192.09	$180.81 - $204.01
Q1 2018	2,331,944	$507,058	$190.22	$171.07 - $212.71
Q4 2017	2,090,102	$421,678	$174.10	$158.03 - $190.10
Q3 2017	501,944	$92,614	$176.21	$159.36 - $192.97
Q2 2017	327,489	$65,858	$176.15	$163.16 - $194.23
Q1 2017	328,523	$61,595	$166.41	$135.53 - $184.55
Q4 2016	324,143	$47,623	$145.60	$133.06 - $158.12
Q3 2016	329,818	$54,615	$148.56	$129.96 - $163.14
Q2 2016	311,846	$45,342	$121.40	$107.26 - $133.06
Q1 2016	294,440	$36,755	$104.04	$89.17 - $116.19
Q4 2015	297,400	$33,187	$92.99	$78.27 - $105.44
Q3 2015	274,400	$25,486	$87.71	$79.52 - $94.87
Q2 2015	243,000	$22,543	$79.87	$74.17 - $89.60
Q1 2015	229,300	$19,009	$71.51	$59.68 - $80.40
Q4 2014	210,600	$15,102	$59.29	$54.38 - $66.53
Q3 2014	181,700	$11,240	$50.63	$42.39 - $56.56
Q2 2014	176,400	$9,536	$48.96	$44.53 - $53.88
Q1 2014	220,100	$13,034	$55.22	$51.55 - $60.27
Q4 2013	198,700	$13,287	$58.63	$53.33 - $63.89
Q3 2013	77,900	$4,677	$47.53	$41.58 - $55.43
Q2 2013	11,700	$547	$38.12	$32.31 - $42.94