MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

BARCLAYS PLC's Holding History (CIK: 0000312069)

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

Q4 2025

Shares 58,358 Value ($000) $7,590 Avg Close $143.19 Range $129.77 - $157.72

Q3 2025

Shares 39,957 Value ($000) $5,327 Avg Close $151.39 Range $135.34 - $172.55

Q2 2025

Shares 56,114 Value ($000) $9,439 Avg Close $159.72 Range $133.70 - $174.50

Q1 2025

Shares 39,853 Value ($000) $6,640 Avg Close $173.51 Range $159.29 - $194.88

Q4 2024

Shares 53,219 Value ($000) $8,797 Avg Close $157.91 Range $131.60 - $180.97

Q3 2024

Shares 39,957 Value ($000) $5 Avg Close $116.03 Range $101.61 - $135.78

Q2 2024

Shares 15,820 Value ($000) $1,992 Avg Close $131.69 Range $112.85 - $147.89

Q1 2024

Shares 66,040 Value ($000) $9,698 Avg Close $129.12 Range $107.57 - $153.93

Q4 2023

Shares 49,260 Value ($000) $5,774 Avg Close $93.21 Range $75.22 - $122.60

Q3 2023

Shares 31,328 Value ($000) $2,747 Avg Close $116.39 Range $83.03 - $164.16

Q2 2023

Shares 48,952 Value ($000) $8 Avg Close $174.09 Range $153.35 - $198.00

Q1 2023

Shares 43,450 Value ($000) $8 Avg Close $168.70 Range $144.51 - $184.97

Q4 2022

Shares 44,001 Value ($000) $7 Avg Close $137.60 Range $108.89 - $150.87

Q3 2022

Shares 404,697 Value ($000) $57,126 Avg Close $146.09 Range $122.68 - $172.74

Q2 2022

Shares 182,707 Value ($000) $23,872 Avg Close $133.79 Range $112.07 - $154.51

Q1 2022

Shares 32,468 Value ($000) $4,725 Avg Close $192.01 Range $133.94 - $291.15

Q4 2021

Shares 49,290 Value ($000) $14,431 Avg Close $284.79 Range $262.52 - $305.21

Q3 2021

Shares 67,750 Value ($000) $18,340 Avg Close $271.15 Range $241.42 - $288.27

Q2 2021

Shares 68,484 Value ($000) $16,602 Avg Close $228.17 Range $205.10 - $250.49

Q1 2021

Shares 60,946 Value ($000) $13,998 Avg Close $251.21 Range $217.65 - $284.86

Q4 2020

Shares 44,047 Value ($000) $11,822 Avg Close $249.38 Range $218.23 - $273.33

Q3 2020

Shares 47,647 Value ($000) $11,247 Avg Close $224.17 Range $203.81 - $248.88

Q2 2020

Shares 49,880 Value ($000) $11,372 Avg Close $219.47 Range $173.15 - $258.00

Q1 2020

Shares 24,944 Value ($000) $4,419 Avg Close $171.51 Range $143.90 - $187.85

Q4 2019

Shares 67,937 Value ($000) $10,738 Avg Close $150.33 Range $140.16 - $160.06

Q3 2019

Shares 34,117 Value ($000) $5,076 Avg Close $151.90 Range $139.36 - $160.25

Q2 2019

Shares 102,260 Value ($000) $15,219 Avg Close $137.22 Range $118.93 - $148.93

Q1 2019

Shares 22,880 Value ($000) $3,165 Avg Close $125.54 Range $101.87 - $139.48

Q4 2018

Shares 48,066 Value ($000) $5,161 Avg Close $111.51 Range $98.23 - $126.89

Q3 2018

Shares 24,049 Value ($000) $2,995 Avg Close $110.93 Range $96.14 - $124.74

Q2 2018

Shares 86,877 Value ($000) $8,485 Avg Close $95.08 Range $83.16 - $102.32

Q1 2018

Shares 14,884 Value ($000) $1,309 Avg Close $87.17 Range $80.69 - $96.45

Q4 2017

Shares 8,255 Value ($000) $700 Avg Close $86.74 Range $84.05 - $91.04

Q3 2017

Shares 24,568 Value ($000) $2,127 Avg Close $88.42 Range $81.01 - $100.00

Q2 2017

Shares 2,098 Value ($000) $191 Avg Close $91.81 Range $82.71 - $104.71

Q1 2017

Shares 24,363 Value ($000) $2,273 Avg Close $82.32 Range $66.79 - $96.68

Q4 2016

Shares 42,882 Value ($000) $2,891 Avg Close $61.46 Range $53.78 - $68.88

Q3 2016

Shares 52,330 Value ($000) $3,113 Avg Close $56.42 Range $51.10 - $60.52

Q2 2016

Shares 62,580 Value ($000) $3,286 Avg Close $47.10 Range $41.19 - $53.55

Q1 2016

Shares 38,017 Value ($000) $1,558 Avg Close $37.61 Range $33.03 - $41.93

Q4 2015

Shares 42,300 Value ($000) $1,735 Avg Close $40.86 Range $37.40 - $43.76

Q3 2015

Shares 30,228 Value ($000) $1,149 Avg Close $40.86 Range $35.33 - $46.00

Q2 2015

Shares 841 Value ($000) $32 Avg Close $35.83 Range $32.33 - $39.91

Q1 2015

Shares 16,535 Value ($000) $529 Avg Close $28.75 Range $25.12 - $33.16

Q4 2014

Shares 19,848 Value ($000) $516 Avg Close $24.68 Range $21.03 - $27.15

Q3 2014

Shares 20,001 Value ($000) $421 Avg Close $22.83 Range $19.30 - $24.75

Q2 2014

Shares 18,429 Value ($000) $424 Avg Close $24.80 Range $21.45 - $28.78

Q1 2014

Shares 6,079 Value ($000) $165 Avg Close $28.52 Range $25.08 - $32.20

Q4 2013

Shares 3,531 Value ($000) $103 Avg Close $27.99 Range $25.42 - $29.66

Q3 2013

Shares 2,131 Value ($000) $56 Avg Close $24.65 Range $21.21 - $27.17

Q2 2013

Shares 13,985 Value ($000) $296 Avg Close $21.04 Range $19.03 - $22.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	58,358	$7,590	$143.19	$129.77 - $157.72
Q3 2025	39,957	$5,327	$151.39	$135.34 - $172.55
Q2 2025	56,114	$9,439	$159.72	$133.70 - $174.50
Q1 2025	39,853	$6,640	$173.51	$159.29 - $194.88
Q4 2024	53,219	$8,797	$157.91	$131.60 - $180.97
Q3 2024	39,957	$5	$116.03	$101.61 - $135.78
Q2 2024	15,820	$1,992	$131.69	$112.85 - $147.89
Q1 2024	66,040	$9,698	$129.12	$107.57 - $153.93
Q4 2023	49,260	$5,774	$93.21	$75.22 - $122.60
Q3 2023	31,328	$2,747	$116.39	$83.03 - $164.16
Q2 2023	48,952	$8	$174.09	$153.35 - $198.00
Q1 2023	43,450	$8	$168.70	$144.51 - $184.97
Q4 2022	44,001	$7	$137.60	$108.89 - $150.87
Q3 2022	404,697	$57,126	$146.09	$122.68 - $172.74
Q2 2022	182,707	$23,872	$133.79	$112.07 - $154.51
Q1 2022	32,468	$4,725	$192.01	$133.94 - $291.15
Q4 2021	49,290	$14,431	$284.79	$262.52 - $305.21
Q3 2021	67,750	$18,340	$271.15	$241.42 - $288.27
Q2 2021	68,484	$16,602	$228.17	$205.10 - $250.49
Q1 2021	60,946	$13,998	$251.21	$217.65 - $284.86
Q4 2020	44,047	$11,822	$249.38	$218.23 - $273.33
Q3 2020	47,647	$11,247	$224.17	$203.81 - $248.88
Q2 2020	49,880	$11,372	$219.47	$173.15 - $258.00
Q1 2020	24,944	$4,419	$171.51	$143.90 - $187.85
Q4 2019	67,937	$10,738	$150.33	$140.16 - $160.06
Q3 2019	34,117	$5,076	$151.90	$139.36 - $160.25
Q2 2019	102,260	$15,219	$137.22	$118.93 - $148.93
Q1 2019	22,880	$3,165	$125.54	$101.87 - $139.48
Q4 2018	48,066	$5,161	$111.51	$98.23 - $126.89
Q3 2018	24,049	$2,995	$110.93	$96.14 - $124.74
Q2 2018	86,877	$8,485	$95.08	$83.16 - $102.32
Q1 2018	14,884	$1,309	$87.17	$80.69 - $96.45
Q4 2017	8,255	$700	$86.74	$84.05 - $91.04
Q3 2017	24,568	$2,127	$88.42	$81.01 - $100.00
Q2 2017	2,098	$191	$91.81	$82.71 - $104.71
Q1 2017	24,363	$2,273	$82.32	$66.79 - $96.68
Q4 2016	42,882	$2,891	$61.46	$53.78 - $68.88
Q3 2016	52,330	$3,113	$56.42	$51.10 - $60.52
Q2 2016	62,580	$3,286	$47.10	$41.19 - $53.55
Q1 2016	38,017	$1,558	$37.61	$33.03 - $41.93
Q4 2015	42,300	$1,735	$40.86	$37.40 - $43.76
Q3 2015	30,228	$1,149	$40.86	$35.33 - $46.00
Q2 2015	841	$32	$35.83	$32.33 - $39.91
Q1 2015	16,535	$529	$28.75	$25.12 - $33.16
Q4 2014	19,848	$516	$24.68	$21.03 - $27.15
Q3 2014	20,001	$421	$22.83	$19.30 - $24.75
Q2 2014	18,429	$424	$24.80	$21.45 - $28.78
Q1 2014	6,079	$165	$28.52	$25.08 - $32.20
Q4 2013	3,531	$103	$27.99	$25.42 - $29.66
Q3 2013	2,131	$56	$24.65	$21.21 - $27.17
Q2 2013	13,985	$296	$21.04	$19.03 - $22.70