MARKETAXESS HLDGS INC

Ticker: MKTX CUSIP: 57060D108 Class: COM

Atom Investors LP's Holding History (CIK: 0001738902)

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

Q2 2025

Shares 19,261 Value ($000) $4,302 Avg Close $216.56 Range $190.86 - $229.08

Q3 2020

Shares 566 Value ($000) $273 Avg Close $465.37 Range $409.02 - $528.32

Q4 2018

Shares 4,634 Value ($000) $979 Avg Close $192.62 Range $159.95 - $215.45

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	19,261	$4,302	$216.56	$190.86 - $229.08
Q3 2020	566	$273	$465.37	$409.02 - $528.32
Q4 2018	4,634	$979	$192.62	$159.95 - $215.45