MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q4 2025

Shares 12,233 Value ($000) $1,591 Avg Close $143.19 Range $129.77 - $157.72

Q3 2025

Shares 233,427 Value ($000) $34,442 Avg Close $151.39 Range $135.34 - $172.55

Q2 2025

Shares 189,822 Value ($000) $31,932 Avg Close $159.72 Range $133.70 - $174.50

Q1 2025

Shares 137,855 Value ($000) $22,967 Avg Close $173.51 Range $159.29 - $194.88

Q4 2024

Shares 141,378 Value ($000) $23,370 Avg Close $157.91 Range $131.60 - $180.97

Q3 2024

Shares 245,081 Value ($000) $32,677 Avg Close $116.03 Range $101.61 - $135.78

Q2 2024

Shares 190,685 Value ($000) $24,015 Avg Close $131.69 Range $112.85 - $147.89

Q1 2024

Shares 102,695 Value ($000) $15,081 Avg Close $129.12 Range $107.57 - $153.93

Q4 2023

Shares 109,259 Value ($000) $12,806 Avg Close $93.21 Range $75.22 - $122.60

Q3 2023

Shares 96,414 Value ($000) $8,454 Avg Close $116.39 Range $83.03 - $164.16

Q4 2022

Shares 21,340 Value ($000) $3 Avg Close $137.60 Range $108.89 - $150.87

Q3 2022

Shares 21,698 Value ($000) $2,951 Avg Close $146.09 Range $122.68 - $172.74

Q2 2022

Shares 23,431 Value ($000) $3,129 Avg Close $133.79 Range $112.07 - $154.51

Q1 2022

Shares 23,749 Value ($000) $3,235 Avg Close $192.01 Range $133.94 - $291.15

Q4 2021

Shares 22,963 Value ($000) $4,891 Avg Close $284.79 Range $262.52 - $305.21

Q3 2021

Shares 23,271 Value ($000) $6,594 Avg Close $271.15 Range $241.42 - $288.27

Q2 2021

Shares 28,011 Value ($000) $7,789 Avg Close $228.17 Range $205.10 - $250.49

Q1 2021

Shares 31,273 Value ($000) $7,702 Avg Close $251.21 Range $217.65 - $284.86

Q4 2020

Shares 32,755 Value ($000) $8,637 Avg Close $249.38 Range $218.23 - $273.33

Q3 2020

Shares 33,282 Value ($000) $8,147 Avg Close $224.17 Range $203.81 - $248.88

Q2 2020

Shares 33,389 Value ($000) $8,024 Avg Close $219.47 Range $173.15 - $258.00

Q1 2020

Shares 30,716 Value ($000) $6,391 Avg Close $171.51 Range $143.90 - $187.85

Q4 2019

Shares 28,533 Value ($000) $4,915 Avg Close $150.33 Range $140.16 - $160.06

Q3 2019

Shares 28,330 Value ($000) $4,038 Avg Close $151.90 Range $139.36 - $160.25

Q2 2019

Shares 28,316 Value ($000) $4,327 Avg Close $137.22 Range $118.93 - $148.93

Q1 2019

Shares 31,528 Value ($000) $4,261 Avg Close $125.54 Range $101.87 - $139.48

Q4 2018

Shares 31,523 Value ($000) $3,844 Avg Close $111.51 Range $98.23 - $126.89

Q3 2018

Shares 30,475 Value ($000) $3,528 Avg Close $110.93 Range $96.14 - $124.74

Q2 2018

Shares 36,125 Value ($000) $3,650 Avg Close $95.08 Range $83.16 - $102.32

Q1 2018

Shares 37,066 Value ($000) $3,307 Avg Close $87.17 Range $80.69 - $96.45

Q4 2017

Shares 37,129 Value ($000) $3,325 Avg Close $86.74 Range $84.05 - $91.04

Q3 2017

Shares 37,054 Value ($000) $3,218 Avg Close $88.42 Range $81.01 - $100.00

Q2 2017

Shares 35,346 Value ($000) $3,477 Avg Close $91.81 Range $82.71 - $104.71

Q1 2017

Shares 34,951 Value ($000) $3,560 Avg Close $82.32 Range $66.79 - $96.68

Q4 2016

Shares 47,410 Value ($000) $3,391 Avg Close $61.46 Range $53.78 - $68.88

Q3 2016

Shares 44,256 Value ($000) $2,649 Avg Close $56.42 Range $51.10 - $60.52

Q2 2016

Shares 44,054 Value ($000) $2,525 Avg Close $47.10 Range $41.19 - $53.55

Q1 2016

Shares 45,275 Value ($000) $1,943 Avg Close $37.61 Range $33.03 - $41.93

Q4 2015

Shares 45,898 Value ($000) $1,659 Avg Close $40.86 Range $37.40 - $43.76

Q3 2015

Shares 46,399 Value ($000) $1,789 Avg Close $40.86 Range $35.33 - $46.00

Q2 2015

Shares 96,074 Value ($000) $3,722 Avg Close $35.83 Range $32.33 - $39.91

Q1 2015

Shares 47,489 Value ($000) $1,566 Avg Close $28.75 Range $25.12 - $33.16

Q4 2014

Shares 92,508 Value ($000) $2,436 Avg Close $24.68 Range $21.03 - $27.15

Q3 2014

Shares 49,217 Value ($000) $1,047 Avg Close $22.83 Range $19.30 - $24.75

Q2 2014

Shares 51,317 Value ($000) $1,211 Avg Close $24.80 Range $21.45 - $28.78

Q1 2014

Shares 40,141 Value ($000) $1,096 Avg Close $28.52 Range $25.08 - $32.20

Q4 2013

Shares 39,602 Value ($000) $1,158 Avg Close $27.99 Range $25.42 - $29.66

Q3 2013

Shares 39,943 Value ($000) $1,064 Avg Close $24.65 Range $21.21 - $27.17

Q2 2013

Shares 39,092 Value ($000) $829 Avg Close $21.04 Range $19.03 - $22.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,233	$1,591	$143.19	$129.77 - $157.72
Q3 2025	233,427	$34,442	$151.39	$135.34 - $172.55
Q2 2025	189,822	$31,932	$159.72	$133.70 - $174.50
Q1 2025	137,855	$22,967	$173.51	$159.29 - $194.88
Q4 2024	141,378	$23,370	$157.91	$131.60 - $180.97
Q3 2024	245,081	$32,677	$116.03	$101.61 - $135.78
Q2 2024	190,685	$24,015	$131.69	$112.85 - $147.89
Q1 2024	102,695	$15,081	$129.12	$107.57 - $153.93
Q4 2023	109,259	$12,806	$93.21	$75.22 - $122.60
Q3 2023	96,414	$8,454	$116.39	$83.03 - $164.16
Q4 2022	21,340	$3	$137.60	$108.89 - $150.87
Q3 2022	21,698	$2,951	$146.09	$122.68 - $172.74
Q2 2022	23,431	$3,129	$133.79	$112.07 - $154.51
Q1 2022	23,749	$3,235	$192.01	$133.94 - $291.15
Q4 2021	22,963	$4,891	$284.79	$262.52 - $305.21
Q3 2021	23,271	$6,594	$271.15	$241.42 - $288.27
Q2 2021	28,011	$7,789	$228.17	$205.10 - $250.49
Q1 2021	31,273	$7,702	$251.21	$217.65 - $284.86
Q4 2020	32,755	$8,637	$249.38	$218.23 - $273.33
Q3 2020	33,282	$8,147	$224.17	$203.81 - $248.88
Q2 2020	33,389	$8,024	$219.47	$173.15 - $258.00
Q1 2020	30,716	$6,391	$171.51	$143.90 - $187.85
Q4 2019	28,533	$4,915	$150.33	$140.16 - $160.06
Q3 2019	28,330	$4,038	$151.90	$139.36 - $160.25
Q2 2019	28,316	$4,327	$137.22	$118.93 - $148.93
Q1 2019	31,528	$4,261	$125.54	$101.87 - $139.48
Q4 2018	31,523	$3,844	$111.51	$98.23 - $126.89
Q3 2018	30,475	$3,528	$110.93	$96.14 - $124.74
Q2 2018	36,125	$3,650	$95.08	$83.16 - $102.32
Q1 2018	37,066	$3,307	$87.17	$80.69 - $96.45
Q4 2017	37,129	$3,325	$86.74	$84.05 - $91.04
Q3 2017	37,054	$3,218	$88.42	$81.01 - $100.00
Q2 2017	35,346	$3,477	$91.81	$82.71 - $104.71
Q1 2017	34,951	$3,560	$82.32	$66.79 - $96.68
Q4 2016	47,410	$3,391	$61.46	$53.78 - $68.88
Q3 2016	44,256	$2,649	$56.42	$51.10 - $60.52
Q2 2016	44,054	$2,525	$47.10	$41.19 - $53.55
Q1 2016	45,275	$1,943	$37.61	$33.03 - $41.93
Q4 2015	45,898	$1,659	$40.86	$37.40 - $43.76
Q3 2015	46,399	$1,789	$40.86	$35.33 - $46.00
Q2 2015	96,074	$3,722	$35.83	$32.33 - $39.91
Q1 2015	47,489	$1,566	$28.75	$25.12 - $33.16
Q4 2014	92,508	$2,436	$24.68	$21.03 - $27.15
Q3 2014	49,217	$1,047	$22.83	$19.30 - $24.75
Q2 2014	51,317	$1,211	$24.80	$21.45 - $28.78
Q1 2014	40,141	$1,096	$28.52	$25.08 - $32.20
Q4 2013	39,602	$1,158	$27.99	$25.42 - $29.66
Q3 2013	39,943	$1,064	$24.65	$21.21 - $27.17
Q2 2013	39,092	$829	$21.04	$19.03 - $22.70