MARKETAXESS HLDGS INC

Ticker: MKTX CUSIP: 57060D108 Class: COM

AlphaQuest LLC's Holding History (CIK: 0001883897)

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

Q4 2025

Shares 1,098 Value ($000) $199 Avg Close $169.50 Range $154.80 - $183.58

Q3 2025

Shares 9,417 Value ($000) $1,641 Avg Close $193.45 Range $172.51 - $222.19

Q2 2025

Shares 4,952 Value ($000) $1,106 Avg Close $216.56 Range $190.86 - $229.08

Q1 2025

Shares 4,432 Value ($000) $959 Avg Close $206.23 Range $183.82 - $224.26

Q4 2024

Shares 3,512 Value ($000) $794 Avg Close $257.54 Range $220.08 - $289.94

Q3 2024

Shares 1,526 Value ($000) $391 Avg Close $228.65 Range $187.70 - $258.10

Q2 2024

Shares 1,950 Value ($000) $391 Avg Close $200.47 Range $187.45 - $222.81

Q1 2024

Shares 537 Value ($000) $118 Avg Close $228.96 Range $194.52 - $282.26

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,098	$199	$169.50	$154.80 - $183.58
Q3 2025	9,417	$1,641	$193.45	$172.51 - $222.19
Q2 2025	4,952	$1,106	$216.56	$190.86 - $229.08
Q1 2025	4,432	$959	$206.23	$183.82 - $224.26
Q4 2024	3,512	$794	$257.54	$220.08 - $289.94
Q3 2024	1,526	$391	$228.65	$187.70 - $258.10
Q2 2024	1,950	$391	$200.47	$187.45 - $222.81
Q1 2024	537	$118	$228.96	$194.52 - $282.26