MARKETAXESS HLDGS INC

Ticker: MKTX CUSIP: 57060D108 Class: COM

SummitTX Capital, L.P.'s Holding History (CIK: 0002052310)

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

Q4 2025

Shares 13,612 Value ($000) $2,467 Avg Close $169.50 Range $154.80 - $183.58

Q3 2025

Shares 1,828 Value ($000) $319 Avg Close $193.45 Range $172.51 - $222.19

Q2 2025

Shares 3,797 Value ($000) $848 Avg Close $216.56 Range $190.86 - $229.08

Q1 2025

Shares 1,764 Value ($000) $382 Avg Close $206.23 Range $183.82 - $224.26

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	13,612	$2,467	$169.50	$154.80 - $183.58
Q3 2025	1,828	$319	$193.45	$172.51 - $222.19
Q2 2025	3,797	$848	$216.56	$190.86 - $229.08
Q1 2025	1,764	$382	$206.23	$183.82 - $224.26