MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Wealthfront Advisers LLC's Holding History (CIK: 0001763921)

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

Q4 2021

Shares 1,245 Value ($000) $217 Avg Close $151.09 Range $136.06 - $172.80

Q3 2021

Shares 1,370 Value ($000) $207 Avg Close $148.13 Range $133.76 - $168.78

Q2 2021

Shares 1,143 Value ($000) $203 Avg Close $175.09 Range $158.98 - $192.11

Q1 2021

Shares 1,119 Value ($000) $207 Avg Close $161.78 Range $138.78 - $185.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	1,245	$217	$151.09	$136.06 - $172.80
Q3 2021	1,370	$207	$148.13	$133.76 - $168.78
Q2 2021	1,143	$203	$175.09	$158.98 - $192.11
Q1 2021	1,119	$207	$161.78	$138.78 - $185.00