MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

Atika Capital Management LLC's Holding History (CIK: 0001599731)

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

Q4 2024

Shares 36,800 Value ($000) $6,083 Avg Close $157.91 Range $131.60 - $180.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	36,800	$6,083	$157.91	$131.60 - $180.97