MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

Walleye Capital LLC's Holding History (CIK: 0001758720)

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

Q4 2025

Shares 42,049 Value ($000) $5,469 Avg Close $143.19 Range $129.77 - $157.72

Q3 2025

Shares 89,363 Value ($000) $13,186 Avg Close $151.39 Range $135.34 - $172.55

Q2 2025

Shares 43,232 Value ($000) $7,272 Avg Close $159.72 Range $133.70 - $174.50

Q1 2025

Shares 76,370 Value ($000) $12,723 Avg Close $173.51 Range $159.29 - $194.88

Q4 2024

Shares 54,938 Value ($000) $9,081 Avg Close $157.91 Range $131.60 - $180.97

Q3 2024

Shares 44,875 Value ($000) $5,983 Avg Close $116.03 Range $101.61 - $135.78

Q2 2024

Shares 742 Value ($000) $93 Avg Close $131.69 Range $112.85 - $147.89

Q1 2024

Shares 189 Value ($000) $28 Avg Close $129.12 Range $107.57 - $153.93

Q3 2022

Shares 9,013 Value ($000) $1,272 Avg Close $146.09 Range $122.68 - $172.74

Q2 2022

Shares 4,496 Value ($000) $587 Avg Close $133.79 Range $112.07 - $154.51

Q1 2022

Shares 18,965 Value ($000) $2,760 Avg Close $192.01 Range $133.94 - $291.15

Q4 2021

Shares 1,080 Value ($000) $316 Avg Close $284.79 Range $262.52 - $305.21

Q2 2021

Shares 920 Value ($000) $223 Avg Close $228.17 Range $205.10 - $250.49

Q1 2019

Shares 689 Value ($000) $95 Avg Close $125.54 Range $101.87 - $139.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	42,049	$5,469	$143.19	$129.77 - $157.72
Q3 2025	89,363	$13,186	$151.39	$135.34 - $172.55
Q2 2025	43,232	$7,272	$159.72	$133.70 - $174.50
Q1 2025	76,370	$12,723	$173.51	$159.29 - $194.88
Q4 2024	54,938	$9,081	$157.91	$131.60 - $180.97
Q3 2024	44,875	$5,983	$116.03	$101.61 - $135.78
Q2 2024	742	$93	$131.69	$112.85 - $147.89
Q1 2024	189	$28	$129.12	$107.57 - $153.93
Q3 2022	9,013	$1,272	$146.09	$122.68 - $172.74
Q2 2022	4,496	$587	$133.79	$112.07 - $154.51
Q1 2022	18,965	$2,760	$192.01	$133.94 - $291.15
Q4 2021	1,080	$316	$284.79	$262.52 - $305.21
Q2 2021	920	$223	$228.17	$205.10 - $250.49
Q1 2019	689	$95	$125.54	$101.87 - $139.48