MARKETAXESS HLDGS INC

Ticker: MKTX CUSIP: 57060D108 Class: COM

Holocene Advisors, LP's Holding History (CIK: 0001700574)

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

Q4 2025

Shares 214,855 Value ($000) $38,942 Avg Close $169.50 Range $154.80 - $183.58

Q3 2025

Shares 280,445 Value ($000) $48,868 Avg Close $193.45 Range $172.51 - $222.19

Q2 2025

Shares 76,574 Value ($000) $17,102 Avg Close $216.56 Range $190.86 - $229.08

Q1 2025

Shares 250,642 Value ($000) $54,226 Avg Close $206.23 Range $183.82 - $224.26

Q3 2024

Shares 5,352 Value ($000) $1,371 Avg Close $228.65 Range $187.70 - $258.10

Q2 2024

Shares 139,560 Value ($000) $27,986 Avg Close $200.47 Range $187.45 - $222.81

Q4 2023

Shares 19,740 Value ($000) $5,781 Avg Close $233.72 Range $195.99 - $288.33

Q3 2023

Shares 29,320 Value ($000) $6,264 Avg Close $233.55 Range $192.90 - $268.22

Q4 2022

Shares 5,356 Value ($000) $1,494 Avg Close $246.25 Range $210.55 - $283.35

Q3 2022

Shares 13,529 Value ($000) $3,010 Avg Close $244.83 Range $207.63 - $267.12

Q2 2022

Shares 20,319 Value ($000) $5,202 Avg Close $260.22 Range $237.15 - $332.85

Q4 2021

Shares 14,874 Value ($000) $6,117 Avg Close $373.74 Range $323.75 - $410.92

Q3 2021

Shares 17,589 Value ($000) $7,400 Avg Close $434.10 Range $386.93 - $472.28

Q2 2021

Shares 16,333 Value ($000) $7,572 Avg Close $449.61 Range $407.56 - $515.46

Q1 2021

Shares 11,200 Value ($000) $5,577 Avg Close $503.06 Range $444.56 - $555.48

Q3 2018

Shares 6,963 Value ($000) $1,243 Avg Close $178.37 Range $164.65 - $196.55

Q1 2018

Shares 2,183 Value ($000) $475 Avg Close $190.22 Range $171.07 - $212.71

Q4 2017

Shares 4,125 Value ($000) $832 Avg Close $174.10 Range $158.03 - $190.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	214,855	$38,942	$169.50	$154.80 - $183.58
Q3 2025	280,445	$48,868	$193.45	$172.51 - $222.19
Q2 2025	76,574	$17,102	$216.56	$190.86 - $229.08
Q1 2025	250,642	$54,226	$206.23	$183.82 - $224.26
Q3 2024	5,352	$1,371	$228.65	$187.70 - $258.10
Q2 2024	139,560	$27,986	$200.47	$187.45 - $222.81
Q4 2023	19,740	$5,781	$233.72	$195.99 - $288.33
Q3 2023	29,320	$6,264	$233.55	$192.90 - $268.22
Q4 2022	5,356	$1,494	$246.25	$210.55 - $283.35
Q3 2022	13,529	$3,010	$244.83	$207.63 - $267.12
Q2 2022	20,319	$5,202	$260.22	$237.15 - $332.85
Q4 2021	14,874	$6,117	$373.74	$323.75 - $410.92
Q3 2021	17,589	$7,400	$434.10	$386.93 - $472.28
Q2 2021	16,333	$7,572	$449.61	$407.56 - $515.46
Q1 2021	11,200	$5,577	$503.06	$444.56 - $555.48
Q3 2018	6,963	$1,243	$178.37	$164.65 - $196.55
Q1 2018	2,183	$475	$190.22	$171.07 - $212.71
Q4 2017	4,125	$832	$174.10	$158.03 - $190.10