MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

ZACKS INVESTMENT MANAGEMENT's Holding History (CIK: 0001086483)

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

Q2 2025

Shares 1,290 Value ($000) $217 Avg Close $159.72 Range $133.70 - $174.50

Q1 2025

Shares 27,807 Value ($000) $4,633 Avg Close $173.51 Range $159.29 - $194.88

Q4 2024

Shares 27,229 Value ($000) $4,501 Avg Close $157.91 Range $131.60 - $180.97

Q3 2024

Shares 26,558 Value ($000) $3,541 Avg Close $116.03 Range $101.61 - $135.78

Q2 2024

Shares 26,854 Value ($000) $3,382 Avg Close $131.69 Range $112.85 - $147.89

Q1 2024

Shares 25,088 Value ($000) $3,684 Avg Close $129.12 Range $107.57 - $153.93

Q2 2023

Shares 12,561 Value ($000) $2,067 Avg Close $174.09 Range $153.35 - $198.00

Q1 2023

Shares 10,770 Value ($000) $1,987 Avg Close $168.70 Range $144.51 - $184.97

Q2 2020

Shares 4,294 Value ($000) $979 Avg Close $219.47 Range $173.15 - $258.00

Q1 2020

Shares 5,794 Value ($000) $1,026 Avg Close $171.51 Range $143.90 - $187.85

Q4 2019

Shares 18,972 Value ($000) $2,999 Avg Close $150.33 Range $140.16 - $160.06

Q3 2019

Shares 20,037 Value ($000) $2,981 Avg Close $151.90 Range $139.36 - $160.25

Q2 2019

Shares 21,580 Value ($000) $3,212 Avg Close $137.22 Range $118.93 - $148.93

Q1 2019

Shares 23,321 Value ($000) $3,225 Avg Close $125.54 Range $101.87 - $139.48

Q4 2018

Shares 23,613 Value ($000) $2,535 Avg Close $111.51 Range $98.23 - $126.89

Q3 2018

Shares 23,146 Value ($000) $2,883 Avg Close $110.93 Range $96.14 - $124.74

Q2 2018

Shares 24,107 Value ($000) $2,354 Avg Close $95.08 Range $83.16 - $102.32

Q1 2018

Shares 22,368 Value ($000) $1,967 Avg Close $87.17 Range $80.69 - $96.45

Q4 2017

Shares 20,794 Value ($000) $1,763 Avg Close $86.74 Range $84.05 - $91.04

Q3 2017

Shares 20,050 Value ($000) $1,736 Avg Close $88.42 Range $81.01 - $100.00

Q2 2017

Shares 19,317 Value ($000) $1,761 Avg Close $91.81 Range $82.71 - $104.71

Q1 2017

Shares 20,297 Value ($000) $1,893 Avg Close $82.32 Range $66.79 - $96.68

Q4 2016

Shares 12,737 Value ($000) $858 Avg Close $61.46 Range $53.78 - $68.88

Q3 2016

Shares 21,015 Value ($000) $1,250 Avg Close $56.42 Range $51.10 - $60.52

Q2 2016

Shares 18,247 Value ($000) $958 Avg Close $47.10 Range $41.19 - $53.55

Q1 2016

Shares 14,830 Value ($000) $621 Avg Close $37.61 Range $33.03 - $41.93

Q4 2015

Shares 19,950 Value ($000) $828 Avg Close $40.86 Range $37.40 - $43.76

Q3 2015

Shares 17,723 Value ($000) $683 Avg Close $40.86 Range $35.33 - $46.00

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	1,290	$217	$159.72	$133.70 - $174.50
Q1 2025	27,807	$4,633	$173.51	$159.29 - $194.88
Q4 2024	27,229	$4,501	$157.91	$131.60 - $180.97
Q3 2024	26,558	$3,541	$116.03	$101.61 - $135.78
Q2 2024	26,854	$3,382	$131.69	$112.85 - $147.89
Q1 2024	25,088	$3,684	$129.12	$107.57 - $153.93
Q2 2023	12,561	$2,067	$174.09	$153.35 - $198.00
Q1 2023	10,770	$1,987	$168.70	$144.51 - $184.97
Q2 2020	4,294	$979	$219.47	$173.15 - $258.00
Q1 2020	5,794	$1,026	$171.51	$143.90 - $187.85
Q4 2019	18,972	$2,999	$150.33	$140.16 - $160.06
Q3 2019	20,037	$2,981	$151.90	$139.36 - $160.25
Q2 2019	21,580	$3,212	$137.22	$118.93 - $148.93
Q1 2019	23,321	$3,225	$125.54	$101.87 - $139.48
Q4 2018	23,613	$2,535	$111.51	$98.23 - $126.89
Q3 2018	23,146	$2,883	$110.93	$96.14 - $124.74
Q2 2018	24,107	$2,354	$95.08	$83.16 - $102.32
Q1 2018	22,368	$1,967	$87.17	$80.69 - $96.45
Q4 2017	20,794	$1,763	$86.74	$84.05 - $91.04
Q3 2017	20,050	$1,736	$88.42	$81.01 - $100.00
Q2 2017	19,317	$1,761	$91.81	$82.71 - $104.71
Q1 2017	20,297	$1,893	$82.32	$66.79 - $96.68
Q4 2016	12,737	$858	$61.46	$53.78 - $68.88
Q3 2016	21,015	$1,250	$56.42	$51.10 - $60.52
Q2 2016	18,247	$958	$47.10	$41.19 - $53.55
Q1 2016	14,830	$621	$37.61	$33.03 - $41.93
Q4 2015	19,950	$828	$40.86	$37.40 - $43.76
Q3 2015	17,723	$683	$40.86	$35.33 - $46.00