MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q2 2025

Shares 5,617 Value ($000) $945 Avg Close $159.72 Range $133.70 - $174.50

Q1 2025

Shares 23,449 Value ($000) $3,907 Avg Close $173.51 Range $159.29 - $194.88

Q4 2024

Shares 16,280 Value ($000) $2,691 Avg Close $157.91 Range $131.60 - $180.97

Q4 2020

Shares 3,759 Value ($000) $1,009 Avg Close $249.38 Range $218.23 - $273.33

Q3 2020

Shares 2,526 Value ($000) $596 Avg Close $224.17 Range $203.81 - $248.88

Q2 2020

Shares 3,504 Value ($000) $799 Avg Close $219.47 Range $173.15 - $258.00

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	5,617	$945	$159.72	$133.70 - $174.50
Q1 2025	23,449	$3,907	$173.51	$159.29 - $194.88
Q4 2024	16,280	$2,691	$157.91	$131.60 - $180.97
Q4 2020	3,759	$1,009	$249.38	$218.23 - $273.33
Q3 2020	2,526	$596	$224.17	$203.81 - $248.88
Q2 2020	3,504	$799	$219.47	$173.15 - $258.00