MARKETAXESS HLDGS INC

Ticker: MKTX CUSIP: 57060D108 Class: COM

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q2 2023
Shares 153,852 Value ($000) $40,220 Avg Close $286.65 Range $245.65 - $383.62
Q1 2023
Shares 139,854 Value ($000) $54,723 Avg Close $339.53 Range $266.01 - $381.21
Q4 2022
Shares 144,466 Value ($000) $40,290 Avg Close $246.25 Range $210.55 - $283.35
Q2 2017
Shares 79,889 Value ($000) $16,066 Avg Close $176.15 Range $163.16 - $194.23
Q1 2017
Shares 111,446 Value ($000) $20,895 Avg Close $166.41 Range $135.53 - $184.55
Q4 2016
Shares 112,113 Value ($000) $16,472 Avg Close $145.60 Range $133.06 - $158.12
Q3 2016
Shares 112,411 Value ($000) $18,614 Avg Close $148.56 Range $129.96 - $163.14
Q2 2016
Shares 108,270 Value ($000) $15,742 Avg Close $121.40 Range $107.26 - $133.06
Q1 2016
Shares 109,075 Value ($000) $13,616 Avg Close $104.04 Range $89.17 - $116.19