MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

JENNISON ASSOCIATES LLC's Holding History (CIK: 0000053417)

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

Q2 2020

Shares 5,949 Value ($000) $1,356 Avg Close $219.47 Range $173.15 - $258.00

Q4 2017

Shares 21,822 Value ($000) $1,851 Avg Close $86.74 Range $84.05 - $91.04

Q3 2017

Shares 19,712 Value ($000) $1,706 Avg Close $88.42 Range $81.01 - $100.00

Q2 2017

Shares 11,650 Value ($000) $1,062 Avg Close $91.81 Range $82.71 - $104.71

Q1 2017

Shares 5,513 Value ($000) $514 Avg Close $82.32 Range $66.79 - $96.68

Q2 2013

Shares 13,801 Value ($000) $293 Avg Close $21.04 Range $19.03 - $22.70

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	5,949	$1,356	$219.47	$173.15 - $258.00
Q4 2017	21,822	$1,851	$86.74	$84.05 - $91.04
Q3 2017	19,712	$1,706	$88.42	$81.01 - $100.00
Q2 2017	11,650	$1,062	$91.81	$82.71 - $104.71
Q1 2017	5,513	$514	$82.32	$66.79 - $96.68
Q2 2013	13,801	$293	$21.04	$19.03 - $22.70