MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

NATIXIS ADVISORS, L.P.'s Holding History (CIK: 0001018331)

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

Q4 2021

Shares 199,966 Value ($000) $58,546 Avg Close $284.79 Range $262.52 - $305.21

Q3 2021

Shares 194,398 Value ($000) $52,626 Avg Close $271.15 Range $241.42 - $288.27

Q2 2021

Shares 189,507 Value ($000) $45,946 Avg Close $228.17 Range $205.10 - $250.49

Q1 2021

Shares 128,948 Value ($000) $29,613 Avg Close $251.21 Range $217.65 - $284.86

Q4 2020

Shares 87,987 Value ($000) $23,614 Avg Close $249.38 Range $218.23 - $273.33

Q3 2020

Shares 85,771 Value ($000) $20,247 Avg Close $224.17 Range $203.81 - $248.88

Q2 2020

Shares 81,346 Value ($000) $18,546 Avg Close $219.47 Range $173.15 - $258.00

Q1 2020

Shares 64,296 Value ($000) $11,388 Avg Close $171.51 Range $143.90 - $187.85

Q1 2016

Shares 11,027 Value ($000) $461 Avg Close $37.61 Range $33.03 - $41.93

Q2 2015

Shares 12,497 Value ($000) $484 Avg Close $35.83 Range $32.33 - $39.91

Q1 2015

Shares 13,077 Value ($000) $431 Avg Close $28.75 Range $25.12 - $33.16

Q4 2014

Shares 11,176 Value ($000) $294 Avg Close $24.68 Range $21.03 - $27.15

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	199,966	$58,546	$284.79	$262.52 - $305.21
Q3 2021	194,398	$52,626	$271.15	$241.42 - $288.27
Q2 2021	189,507	$45,946	$228.17	$205.10 - $250.49
Q1 2021	128,948	$29,613	$251.21	$217.65 - $284.86
Q4 2020	87,987	$23,614	$249.38	$218.23 - $273.33
Q3 2020	85,771	$20,247	$224.17	$203.81 - $248.88
Q2 2020	81,346	$18,546	$219.47	$173.15 - $258.00
Q1 2020	64,296	$11,388	$171.51	$143.90 - $187.85
Q1 2016	11,027	$461	$37.61	$33.03 - $41.93
Q2 2015	12,497	$484	$35.83	$32.33 - $39.91
Q1 2015	13,077	$431	$28.75	$25.12 - $33.16
Q4 2014	11,176	$294	$24.68	$21.03 - $27.15