MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

PARADIGM CAPITAL MANAGEMENT INC/NY's Holding History (CIK: 0001037792)

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

Q4 2025

Shares 11,353 Value ($000) $1,477 Avg Close $143.19 Range $129.77 - $157.72

Q3 2025

Shares 11,353 Value ($000) $1,675 Avg Close $151.39 Range $135.34 - $172.55

Q2 2025

Shares 11,353 Value ($000) $1,910 Avg Close $159.72 Range $133.70 - $174.50

Q1 2025

Shares 11,353 Value ($000) $1,891 Avg Close $173.51 Range $159.29 - $194.88

Q4 2024

Shares 11,353 Value ($000) $1,877 Avg Close $157.91 Range $131.60 - $180.97

Q3 2024

Shares 11,353 Value ($000) $1,514 Avg Close $116.03 Range $101.61 - $135.78

Q2 2024

Shares 11,353 Value ($000) $1,430 Avg Close $131.69 Range $112.85 - $147.89

Q1 2024

Shares 11,353 Value ($000) $1,667 Avg Close $129.12 Range $107.57 - $153.93

Q4 2023

Shares 11,353 Value ($000) $1,331 Avg Close $93.21 Range $75.22 - $122.60

Q3 2023

Shares 11,353 Value ($000) $995 Avg Close $116.39 Range $83.03 - $164.16

Q2 2023

Shares 11,353 Value ($000) $1,868 Avg Close $174.09 Range $153.35 - $198.00

Q1 2023

Shares 11,353 Value ($000) $2,095 Avg Close $168.70 Range $144.51 - $184.97

Q4 2022

Shares 29,753 Value ($000) $4,402 Avg Close $137.60 Range $108.89 - $150.87

Q3 2022

Shares 29,753 Value ($000) $4,200 Avg Close $146.09 Range $122.68 - $172.74

Q2 2022

Shares 36,853 Value ($000) $4,816 Avg Close $133.79 Range $112.07 - $154.51

Q1 2022

Shares 41,453 Value ($000) $6,033 Avg Close $192.01 Range $133.94 - $291.15

Q4 2021

Shares 38,453 Value ($000) $11,259 Avg Close $284.79 Range $262.52 - $305.21

Q3 2021

Shares 37,153 Value ($000) $10,058 Avg Close $271.15 Range $241.42 - $288.27

Q2 2021

Shares 35,553 Value ($000) $8,620 Avg Close $228.17 Range $205.10 - $250.49

Q1 2021

Shares 33,553 Value ($000) $7,706 Avg Close $251.21 Range $217.65 - $284.86

Q4 2020

Shares 30,453 Value ($000) $8,173 Avg Close $249.38 Range $218.23 - $273.33

Q3 2020

Shares 34,453 Value ($000) $8,133 Avg Close $224.17 Range $203.81 - $248.88

Q2 2020

Shares 38,853 Value ($000) $8,859 Avg Close $219.47 Range $173.15 - $258.00

Q1 2020

Shares 40,753 Value ($000) $7,218 Avg Close $171.51 Range $143.90 - $187.85

Q4 2019

Shares 51,190 Value ($000) $8,091 Avg Close $150.33 Range $140.16 - $160.06

Q3 2019

Shares 51,890 Value ($000) $7,721 Avg Close $151.90 Range $139.36 - $160.25

Q2 2019

Shares 55,190 Value ($000) $8,214 Avg Close $137.22 Range $118.93 - $148.93

Q1 2019

Shares 55,190 Value ($000) $7,631 Avg Close $125.54 Range $101.87 - $139.48

Q4 2018

Shares 61,905 Value ($000) $6,647 Avg Close $111.51 Range $98.23 - $126.89

Q3 2018

Shares 66,705 Value ($000) $8,308 Avg Close $110.93 Range $96.14 - $124.74

Q2 2018

Shares 69,705 Value ($000) $6,807 Avg Close $95.08 Range $83.16 - $102.32

Q1 2018

Shares 69,705 Value ($000) $6,130 Avg Close $87.17 Range $80.69 - $96.45

Q4 2017

Shares 68,705 Value ($000) $5,826 Avg Close $86.74 Range $84.05 - $91.04

Q3 2017

Shares 68,705 Value ($000) $5,947 Avg Close $88.42 Range $81.01 - $100.00

Q2 2017

Shares 70,005 Value ($000) $6,383 Avg Close $91.81 Range $82.71 - $104.71

Q1 2017

Shares 75,085 Value ($000) $7,002 Avg Close $82.32 Range $66.79 - $96.68

Q4 2016

Shares 81,200 Value ($000) $5,472 Avg Close $61.46 Range $53.78 - $68.88

Q3 2016

Shares 71,975 Value ($000) $4,282 Avg Close $56.42 Range $51.10 - $60.52

Q2 2016

Shares 72,925 Value ($000) $3,830 Avg Close $47.10 Range $41.19 - $53.55

Q1 2016

Shares 74,825 Value ($000) $3,131 Avg Close $37.61 Range $33.03 - $41.93

Q4 2015

Shares 75,200 Value ($000) $3,122 Avg Close $40.86 Range $37.40 - $43.76

Q3 2015

Shares 76,925 Value ($000) $2,966 Avg Close $40.86 Range $35.33 - $46.00

Q2 2015

Shares 80,800 Value ($000) $3,130 Avg Close $35.83 Range $32.33 - $39.91

Q1 2015

Shares 82,725 Value ($000) $2,728 Avg Close $28.75 Range $25.12 - $33.16

Q4 2014

Shares 102,275 Value ($000) $2,694 Avg Close $24.68 Range $21.03 - $27.15

Q3 2014

Shares 245,270 Value ($000) $5,219 Avg Close $22.83 Range $19.30 - $24.75

Q2 2014

Shares 247,495 Value ($000) $5,841 Avg Close $24.80 Range $21.45 - $28.78

Q1 2014

Shares 211,320 Value ($000) $5,771 Avg Close $28.52 Range $25.08 - $32.20

Q4 2013

Shares 286,850 Value ($000) $8,385 Avg Close $27.99 Range $25.42 - $29.66

Q3 2013

Shares 387,850 Value ($000) $10,332 Avg Close $24.65 Range $21.21 - $27.17

Q2 2013

Shares 784,625 Value ($000) $16,634 Avg Close $21.04 Range $19.03 - $22.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,353	$1,477	$143.19	$129.77 - $157.72
Q3 2025	11,353	$1,675	$151.39	$135.34 - $172.55
Q2 2025	11,353	$1,910	$159.72	$133.70 - $174.50
Q1 2025	11,353	$1,891	$173.51	$159.29 - $194.88
Q4 2024	11,353	$1,877	$157.91	$131.60 - $180.97
Q3 2024	11,353	$1,514	$116.03	$101.61 - $135.78
Q2 2024	11,353	$1,430	$131.69	$112.85 - $147.89
Q1 2024	11,353	$1,667	$129.12	$107.57 - $153.93
Q4 2023	11,353	$1,331	$93.21	$75.22 - $122.60
Q3 2023	11,353	$995	$116.39	$83.03 - $164.16
Q2 2023	11,353	$1,868	$174.09	$153.35 - $198.00
Q1 2023	11,353	$2,095	$168.70	$144.51 - $184.97
Q4 2022	29,753	$4,402	$137.60	$108.89 - $150.87
Q3 2022	29,753	$4,200	$146.09	$122.68 - $172.74
Q2 2022	36,853	$4,816	$133.79	$112.07 - $154.51
Q1 2022	41,453	$6,033	$192.01	$133.94 - $291.15
Q4 2021	38,453	$11,259	$284.79	$262.52 - $305.21
Q3 2021	37,153	$10,058	$271.15	$241.42 - $288.27
Q2 2021	35,553	$8,620	$228.17	$205.10 - $250.49
Q1 2021	33,553	$7,706	$251.21	$217.65 - $284.86
Q4 2020	30,453	$8,173	$249.38	$218.23 - $273.33
Q3 2020	34,453	$8,133	$224.17	$203.81 - $248.88
Q2 2020	38,853	$8,859	$219.47	$173.15 - $258.00
Q1 2020	40,753	$7,218	$171.51	$143.90 - $187.85
Q4 2019	51,190	$8,091	$150.33	$140.16 - $160.06
Q3 2019	51,890	$7,721	$151.90	$139.36 - $160.25
Q2 2019	55,190	$8,214	$137.22	$118.93 - $148.93
Q1 2019	55,190	$7,631	$125.54	$101.87 - $139.48
Q4 2018	61,905	$6,647	$111.51	$98.23 - $126.89
Q3 2018	66,705	$8,308	$110.93	$96.14 - $124.74
Q2 2018	69,705	$6,807	$95.08	$83.16 - $102.32
Q1 2018	69,705	$6,130	$87.17	$80.69 - $96.45
Q4 2017	68,705	$5,826	$86.74	$84.05 - $91.04
Q3 2017	68,705	$5,947	$88.42	$81.01 - $100.00
Q2 2017	70,005	$6,383	$91.81	$82.71 - $104.71
Q1 2017	75,085	$7,002	$82.32	$66.79 - $96.68
Q4 2016	81,200	$5,472	$61.46	$53.78 - $68.88
Q3 2016	71,975	$4,282	$56.42	$51.10 - $60.52
Q2 2016	72,925	$3,830	$47.10	$41.19 - $53.55
Q1 2016	74,825	$3,131	$37.61	$33.03 - $41.93
Q4 2015	75,200	$3,122	$40.86	$37.40 - $43.76
Q3 2015	76,925	$2,966	$40.86	$35.33 - $46.00
Q2 2015	80,800	$3,130	$35.83	$32.33 - $39.91
Q1 2015	82,725	$2,728	$28.75	$25.12 - $33.16
Q4 2014	102,275	$2,694	$24.68	$21.03 - $27.15
Q3 2014	245,270	$5,219	$22.83	$19.30 - $24.75
Q2 2014	247,495	$5,841	$24.80	$21.45 - $28.78
Q1 2014	211,320	$5,771	$28.52	$25.08 - $32.20
Q4 2013	286,850	$8,385	$27.99	$25.42 - $29.66
Q3 2013	387,850	$10,332	$24.65	$21.21 - $27.17
Q2 2013	784,625	$16,634	$21.04	$19.03 - $22.70