MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

AlphaQuest LLC's Holding History (CIK: 0001883897)

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

Q4 2025

Shares 151 Value ($000) $20 Avg Close $143.19 Range $129.77 - $157.72

Q3 2024

Shares 2,115 Value ($000) $282 Avg Close $116.03 Range $101.61 - $135.78

Q2 2024

Shares 25 Value ($000) $3 Avg Close $131.69 Range $112.85 - $147.89

Q1 2024

Shares 10 Value ($000) $1 Avg Close $129.12 Range $107.57 - $153.93

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	151	$20	$143.19	$129.77 - $157.72
Q3 2024	2,115	$282	$116.03	$101.61 - $135.78
Q2 2024	25	$3	$131.69	$112.85 - $147.89
Q1 2024	10	$1	$129.12	$107.57 - $153.93