MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

Illinois Municipal Retirement Fund's Holding History (CIK: 0001541910)

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

Q4 2025

Shares 11,359 Value ($000) $1,477 Avg Close $143.19 Range $129.77 - $157.72

Q3 2025

Shares 15,565 Value ($000) $2,297 Avg Close $151.39 Range $135.34 - $172.55

Q2 2025

Shares 12,420 Value ($000) $2,089 Avg Close $159.72 Range $133.70 - $174.50

Q1 2025

Shares 9,309 Value ($000) $1,551 Avg Close $173.51 Range $159.29 - $194.88

Q4 2024

Shares 9,309 Value ($000) $1,539 Avg Close $157.91 Range $131.60 - $180.97

Q3 2024

Shares 9,309 Value ($000) $1,241 Avg Close $116.03 Range $101.61 - $135.78

Q2 2024

Shares 9,309 Value ($000) $1,172 Avg Close $131.69 Range $112.85 - $147.89

Q1 2024

Shares 9,309 Value ($000) $1 Avg Close $129.12 Range $107.57 - $153.93

Q4 2023

Shares 9,309 Value ($000) $1 Avg Close $93.21 Range $75.22 - $122.60

Q3 2023

Shares 9,309 Value ($000) $1 Avg Close $116.39 Range $83.03 - $164.16

Q2 2023

Shares 9,309 Value ($000) $2 Avg Close $174.09 Range $153.35 - $198.00

Q1 2023

Shares 9,309 Value ($000) $2 Avg Close $168.70 Range $144.51 - $184.97

Q4 2022

Shares 9,309 Value ($000) $1 Avg Close $137.60 Range $108.89 - $150.87

Q3 2022

Shares 12,432 Value ($000) $1,755 Avg Close $146.09 Range $122.68 - $172.74

Q2 2022

Shares 12,432 Value ($000) $1,624 Avg Close $133.79 Range $112.07 - $154.51

Q1 2022

Shares 26,334 Value ($000) $3,833 Avg Close $192.01 Range $133.94 - $291.15

Q4 2021

Shares 39,010 Value ($000) $11,421 Avg Close $284.79 Range $262.52 - $305.21

Q3 2021

Shares 23,283 Value ($000) $6,303 Avg Close $271.15 Range $241.42 - $288.27

Q2 2021

Shares 23,283 Value ($000) $5,645 Avg Close $228.17 Range $205.10 - $250.49

Q1 2021

Shares 26,727 Value ($000) $6,138 Avg Close $251.21 Range $217.65 - $284.86

Q4 2020

Shares 25,945 Value ($000) $6,963 Avg Close $249.38 Range $218.23 - $273.33

Q3 2020

Shares 7,544 Value ($000) $1,781 Avg Close $224.17 Range $203.81 - $248.88

Q2 2020

Shares 4,557 Value ($000) $1,039 Avg Close $219.47 Range $173.15 - $258.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,359	$1,477	$143.19	$129.77 - $157.72
Q3 2025	15,565	$2,297	$151.39	$135.34 - $172.55
Q2 2025	12,420	$2,089	$159.72	$133.70 - $174.50
Q1 2025	9,309	$1,551	$173.51	$159.29 - $194.88
Q4 2024	9,309	$1,539	$157.91	$131.60 - $180.97
Q3 2024	9,309	$1,241	$116.03	$101.61 - $135.78
Q2 2024	9,309	$1,172	$131.69	$112.85 - $147.89
Q1 2024	9,309	$1	$129.12	$107.57 - $153.93
Q4 2023	9,309	$1	$93.21	$75.22 - $122.60
Q3 2023	9,309	$1	$116.39	$83.03 - $164.16
Q2 2023	9,309	$2	$174.09	$153.35 - $198.00
Q1 2023	9,309	$2	$168.70	$144.51 - $184.97
Q4 2022	9,309	$1	$137.60	$108.89 - $150.87
Q3 2022	12,432	$1,755	$146.09	$122.68 - $172.74
Q2 2022	12,432	$1,624	$133.79	$112.07 - $154.51
Q1 2022	26,334	$3,833	$192.01	$133.94 - $291.15
Q4 2021	39,010	$11,421	$284.79	$262.52 - $305.21
Q3 2021	23,283	$6,303	$271.15	$241.42 - $288.27
Q2 2021	23,283	$5,645	$228.17	$205.10 - $250.49
Q1 2021	26,727	$6,138	$251.21	$217.65 - $284.86
Q4 2020	25,945	$6,963	$249.38	$218.23 - $273.33
Q3 2020	7,544	$1,781	$224.17	$203.81 - $248.88
Q2 2020	4,557	$1,039	$219.47	$173.15 - $258.00