MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

BAILLIE GIFFORD & CO's Holding History (CIK: 0001088875)

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

Q4 2023

Shares 86,188 Value ($000) $10,102 Avg Close $93.21 Range $75.22 - $122.60

Q3 2023

Shares 91,229 Value ($000) $7,999 Avg Close $116.39 Range $83.03 - $164.16

Q2 2023

Shares 95,149 Value ($000) $15,657 Avg Close $174.09 Range $153.35 - $198.00

Q1 2023

Shares 96,012 Value ($000) $17,718 Avg Close $168.70 Range $144.51 - $184.97

Q4 2022

Shares 96,135 Value ($000) $14,223 Avg Close $137.60 Range $108.89 - $150.87

Q3 2022

Shares 93,634 Value ($000) $13,217 Avg Close $146.09 Range $122.68 - $172.74

Q2 2022

Shares 89,472 Value ($000) $11,691 Avg Close $133.79 Range $112.07 - $154.51

Q1 2022

Shares 100,174 Value ($000) $14,579 Avg Close $192.01 Range $133.94 - $291.15

Q4 2021

Shares 89,929 Value ($000) $26,329 Avg Close $284.79 Range $262.52 - $305.21

Q3 2021

Shares 86,368 Value ($000) $23,381 Avg Close $271.15 Range $241.42 - $288.27

Q2 2021

Shares 77,328 Value ($000) $18,748 Avg Close $228.17 Range $205.10 - $250.49

Q1 2021

Shares 68,098 Value ($000) $15,639 Avg Close $251.21 Range $217.65 - $284.86

Q4 2020

Shares 31,367 Value ($000) $8,418 Avg Close $249.38 Range $218.23 - $273.33

Q3 2020

Shares 13,636 Value ($000) $3,219 Avg Close $224.17 Range $203.81 - $248.88

Q2 2020

Shares 1,311 Value ($000) $299 Avg Close $219.47 Range $173.15 - $258.00

Q1 2020

Shares 438 Value ($000) $78 Avg Close $171.51 Range $143.90 - $187.85

Q4 2019

Shares 438 Value ($000) $69 Avg Close $150.33 Range $140.16 - $160.06

Q3 2019

Shares 438 Value ($000) $65 Avg Close $151.90 Range $139.36 - $160.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	86,188	$10,102	$93.21	$75.22 - $122.60
Q3 2023	91,229	$7,999	$116.39	$83.03 - $164.16
Q2 2023	95,149	$15,657	$174.09	$153.35 - $198.00
Q1 2023	96,012	$17,718	$168.70	$144.51 - $184.97
Q4 2022	96,135	$14,223	$137.60	$108.89 - $150.87
Q3 2022	93,634	$13,217	$146.09	$122.68 - $172.74
Q2 2022	89,472	$11,691	$133.79	$112.07 - $154.51
Q1 2022	100,174	$14,579	$192.01	$133.94 - $291.15
Q4 2021	89,929	$26,329	$284.79	$262.52 - $305.21
Q3 2021	86,368	$23,381	$271.15	$241.42 - $288.27
Q2 2021	77,328	$18,748	$228.17	$205.10 - $250.49
Q1 2021	68,098	$15,639	$251.21	$217.65 - $284.86
Q4 2020	31,367	$8,418	$249.38	$218.23 - $273.33
Q3 2020	13,636	$3,219	$224.17	$203.81 - $248.88
Q2 2020	1,311	$299	$219.47	$173.15 - $258.00
Q1 2020	438	$78	$171.51	$143.90 - $187.85
Q4 2019	438	$69	$150.33	$140.16 - $160.06
Q3 2019	438	$65	$151.90	$139.36 - $160.25