MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

COMMERCE BANK's Holding History (CIK: 0001009076)

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

Q4 2025

Shares 17,876 Value ($000) $2,325 Avg Close $143.19 Range $129.77 - $157.72

Q3 2025

Shares 18,891 Value ($000) $2,787 Avg Close $151.39 Range $135.34 - $172.55

Q2 2025

Shares 19,430 Value ($000) $3,269 Avg Close $159.72 Range $133.70 - $174.50

Q1 2025

Shares 5,024 Value ($000) $837 Avg Close $173.51 Range $159.29 - $194.88

Q4 2024

Shares 4,900 Value ($000) $810 Avg Close $157.91 Range $131.60 - $180.97

Q3 2024

Shares 4,221 Value ($000) $563 Avg Close $116.03 Range $101.61 - $135.78

Q2 2024

Shares 4,188 Value ($000) $527 Avg Close $131.69 Range $112.85 - $147.89

Q1 2024

Shares 4,088 Value ($000) $600 Avg Close $129.12 Range $107.57 - $153.93

Q4 2023

Shares 4,085 Value ($000) $479 Avg Close $93.21 Range $75.22 - $122.60

Q3 2023

Shares 2,546 Value ($000) $223 Avg Close $116.39 Range $83.03 - $164.16

Q2 2023

Shares 20,576 Value ($000) $3,386 Avg Close $174.09 Range $153.35 - $198.00

Q1 2023

Shares 1,938 Value ($000) $358 Avg Close $168.70 Range $144.51 - $184.97

Q4 2022

Shares 1,938 Value ($000) $287 Avg Close $137.60 Range $108.89 - $150.87

Q3 2022

Shares 1,970 Value ($000) $278 Avg Close $146.09 Range $122.68 - $172.74

Q2 2022

Shares 1,970 Value ($000) $258 Avg Close $133.79 Range $112.07 - $154.51

Q1 2022

Shares 4,219 Value ($000) $614 Avg Close $192.01 Range $133.94 - $291.15

Q4 2021

Shares 2,889 Value ($000) $846 Avg Close $284.79 Range $262.52 - $305.21

Q3 2021

Shares 2,863 Value ($000) $775 Avg Close $271.15 Range $241.42 - $288.27

Q2 2021

Shares 2,340 Value ($000) $568 Avg Close $228.17 Range $205.10 - $250.49

Q1 2021

Shares 2,330 Value ($000) $535 Avg Close $251.21 Range $217.65 - $284.86

Q4 2020

Shares 2,282 Value ($000) $613 Avg Close $249.38 Range $218.23 - $273.33

Q3 2020

Shares 2,481 Value ($000) $586 Avg Close $224.17 Range $203.81 - $248.88

Q2 2020

Shares 2,355 Value ($000) $537 Avg Close $219.47 Range $173.15 - $258.00

Q1 2020

Shares 2,082 Value ($000) $369 Avg Close $171.51 Range $143.90 - $187.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	17,876	$2,325	$143.19	$129.77 - $157.72
Q3 2025	18,891	$2,787	$151.39	$135.34 - $172.55
Q2 2025	19,430	$3,269	$159.72	$133.70 - $174.50
Q1 2025	5,024	$837	$173.51	$159.29 - $194.88
Q4 2024	4,900	$810	$157.91	$131.60 - $180.97
Q3 2024	4,221	$563	$116.03	$101.61 - $135.78
Q2 2024	4,188	$527	$131.69	$112.85 - $147.89
Q1 2024	4,088	$600	$129.12	$107.57 - $153.93
Q4 2023	4,085	$479	$93.21	$75.22 - $122.60
Q3 2023	2,546	$223	$116.39	$83.03 - $164.16
Q2 2023	20,576	$3,386	$174.09	$153.35 - $198.00
Q1 2023	1,938	$358	$168.70	$144.51 - $184.97
Q4 2022	1,938	$287	$137.60	$108.89 - $150.87
Q3 2022	1,970	$278	$146.09	$122.68 - $172.74
Q2 2022	1,970	$258	$133.79	$112.07 - $154.51
Q1 2022	4,219	$614	$192.01	$133.94 - $291.15
Q4 2021	2,889	$846	$284.79	$262.52 - $305.21
Q3 2021	2,863	$775	$271.15	$241.42 - $288.27
Q2 2021	2,340	$568	$228.17	$205.10 - $250.49
Q1 2021	2,330	$535	$251.21	$217.65 - $284.86
Q4 2020	2,282	$613	$249.38	$218.23 - $273.33
Q3 2020	2,481	$586	$224.17	$203.81 - $248.88
Q2 2020	2,355	$537	$219.47	$173.15 - $258.00
Q1 2020	2,082	$369	$171.51	$143.90 - $187.85