MASIMO CORP

Ticker: MASI CUSIP: 574795100 Class: Common Stock

CLOUGH CAPITAL PARTNERS L P's Holding History (CIK: 0001276144)

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

Q4 2020

Shares 2,800 Value ($000) $751 Avg Close $249.38 Range $218.23 - $273.33

Q3 2020

Shares 2,800 Value ($000) $661 Avg Close $224.17 Range $203.81 - $248.88

Q2 2020

Shares 2,800 Value ($000) $638 Avg Close $219.47 Range $173.15 - $258.00

Q1 2020

Shares 3,500 Value ($000) $620 Avg Close $171.51 Range $143.90 - $187.85

Q4 2019

Shares 7,200 Value ($000) $1,138 Avg Close $150.33 Range $140.16 - $160.06

Q3 2019

Shares 7,200 Value ($000) $1,071 Avg Close $151.90 Range $139.36 - $160.25

Q2 2019

Shares 7,200 Value ($000) $1,072 Avg Close $137.22 Range $118.93 - $148.93

Q1 2019

Shares 12,000 Value ($000) $1,659 Avg Close $125.54 Range $101.87 - $139.48

Q4 2018

Shares 20,100 Value ($000) $2,158 Avg Close $111.51 Range $98.23 - $126.89

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	2,800	$751	$249.38	$218.23 - $273.33
Q3 2020	2,800	$661	$224.17	$203.81 - $248.88
Q2 2020	2,800	$638	$219.47	$173.15 - $258.00
Q1 2020	3,500	$620	$171.51	$143.90 - $187.85
Q4 2019	7,200	$1,138	$150.33	$140.16 - $160.06
Q3 2019	7,200	$1,071	$151.90	$139.36 - $160.25
Q2 2019	7,200	$1,072	$137.22	$118.93 - $148.93
Q1 2019	12,000	$1,659	$125.54	$101.87 - $139.48
Q4 2018	20,100	$2,158	$111.51	$98.23 - $126.89