MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

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

Q2 2020

Shares 2,700 Value ($000) $616 Avg Close $219.47 Range $173.15 - $258.00

Q1 2016

Shares 12,250 Value ($000) $513 Avg Close $37.61 Range $33.03 - $41.93

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	2,700	$616	$219.47	$173.15 - $258.00
Q1 2016	12,250	$513	$37.61	$33.03 - $41.93