MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

Paloma Partners Management Co's Holding History (CIK: 0001103882)

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

Q1 2024

Shares 1,504 Value ($000) $221 Avg Close $129.12 Range $107.57 - $153.93

Q1 2022

Shares 4,887 Value ($000) $711 Avg Close $192.01 Range $133.94 - $291.15

Q4 2021

Shares 2,330 Value ($000) $682 Avg Close $284.79 Range $262.52 - $305.21

Q2 2021

Shares 1,305 Value ($000) $317 Avg Close $228.17 Range $205.10 - $250.49

Q1 2021

Shares 4,449 Value ($000) $1,021 Avg Close $251.21 Range $217.65 - $284.86

Q4 2020

Shares 2,359 Value ($000) $634 Avg Close $249.38 Range $218.23 - $273.33

Q2 2020

Shares 26,352 Value ($000) $6,008 Avg Close $219.47 Range $173.15 - $258.00

Q1 2020

Shares 3,253 Value ($000) $576 Avg Close $171.51 Range $143.90 - $187.85

Q4 2019

Shares 2,197 Value ($000) $348 Avg Close $150.33 Range $140.16 - $160.06

Q3 2019

Shares 1,900 Value ($000) $283 Avg Close $151.90 Range $139.36 - $160.25

Q1 2019

Shares 6,577 Value ($000) $909 Avg Close $125.54 Range $101.87 - $139.48

Q3 2018

Shares 13,632 Value ($000) $1,698 Avg Close $110.93 Range $96.14 - $124.74

Q2 2018

Shares 131,590 Value ($000) $12,850 Avg Close $95.08 Range $83.16 - $102.32

Q1 2018

Shares 4,034 Value ($000) $355 Avg Close $87.17 Range $80.69 - $96.45

Q4 2017

Shares 3,473 Value ($000) $294 Avg Close $86.74 Range $84.05 - $91.04

Q1 2017

Shares 24,543 Value ($000) $2,288 Avg Close $82.32 Range $66.79 - $96.68

Q4 2016

Shares 10,475 Value ($000) $706 Avg Close $61.46 Range $53.78 - $68.88

Q3 2016

Shares 8,808 Value ($000) $524 Avg Close $56.42 Range $51.10 - $60.52

Q2 2016

Shares 76,526 Value ($000) $4,019 Avg Close $47.10 Range $41.19 - $53.55

Q1 2016

Shares 43,664 Value ($000) $1,827 Avg Close $37.61 Range $33.03 - $41.93

Q4 2015

Shares 29,499 Value ($000) $1,225 Avg Close $40.86 Range $37.40 - $43.76

Q3 2015

Shares 36,039 Value ($000) $1,390 Avg Close $40.86 Range $35.33 - $46.00

Q2 2015

Shares 9,212 Value ($000) $357 Avg Close $35.83 Range $32.33 - $39.91

Q4 2014

Shares 29,972 Value ($000) $789 Avg Close $24.68 Range $21.03 - $27.15

Q3 2014

Shares 12,433 Value ($000) $264 Avg Close $22.83 Range $19.30 - $24.75

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	1,504	$221	$129.12	$107.57 - $153.93
Q1 2022	4,887	$711	$192.01	$133.94 - $291.15
Q4 2021	2,330	$682	$284.79	$262.52 - $305.21
Q2 2021	1,305	$317	$228.17	$205.10 - $250.49
Q1 2021	4,449	$1,021	$251.21	$217.65 - $284.86
Q4 2020	2,359	$634	$249.38	$218.23 - $273.33
Q2 2020	26,352	$6,008	$219.47	$173.15 - $258.00
Q1 2020	3,253	$576	$171.51	$143.90 - $187.85
Q4 2019	2,197	$348	$150.33	$140.16 - $160.06
Q3 2019	1,900	$283	$151.90	$139.36 - $160.25
Q1 2019	6,577	$909	$125.54	$101.87 - $139.48
Q3 2018	13,632	$1,698	$110.93	$96.14 - $124.74
Q2 2018	131,590	$12,850	$95.08	$83.16 - $102.32
Q1 2018	4,034	$355	$87.17	$80.69 - $96.45
Q4 2017	3,473	$294	$86.74	$84.05 - $91.04
Q1 2017	24,543	$2,288	$82.32	$66.79 - $96.68
Q4 2016	10,475	$706	$61.46	$53.78 - $68.88
Q3 2016	8,808	$524	$56.42	$51.10 - $60.52
Q2 2016	76,526	$4,019	$47.10	$41.19 - $53.55
Q1 2016	43,664	$1,827	$37.61	$33.03 - $41.93
Q4 2015	29,499	$1,225	$40.86	$37.40 - $43.76
Q3 2015	36,039	$1,390	$40.86	$35.33 - $46.00
Q2 2015	9,212	$357	$35.83	$32.33 - $39.91
Q4 2014	29,972	$789	$24.68	$21.03 - $27.15
Q3 2014	12,433	$264	$22.83	$19.30 - $24.75