MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

HARBOR CAPITAL ADVISORS, INC.'s Holding History (CIK: 0001039128)

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

Q4 2025

Shares 9,599 Value ($000) $1 Avg Close $143.19 Range $129.77 - $157.72

Q3 2025

Shares 9,932 Value ($000) $1 Avg Close $151.39 Range $135.34 - $172.55

Q2 2025

Shares 26,412 Value ($000) $4 Avg Close $159.72 Range $133.70 - $174.50

Q2 2023

Shares 3,466 Value ($000) $570 Avg Close $174.09 Range $153.35 - $198.00

Q1 2022

Shares 3,186 Value ($000) $464 Avg Close $192.01 Range $133.94 - $291.15

Q4 2021

Shares 3,652 Value ($000) $1,069 Avg Close $284.79 Range $262.52 - $305.21

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	9,599	$1	$143.19	$129.77 - $157.72
Q3 2025	9,932	$1	$151.39	$135.34 - $172.55
Q2 2025	26,412	$4	$159.72	$133.70 - $174.50
Q2 2023	3,466	$570	$174.09	$153.35 - $198.00
Q1 2022	3,186	$464	$192.01	$133.94 - $291.15
Q4 2021	3,652	$1,069	$284.79	$262.52 - $305.21