MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

KORNITZER CAPITAL MANAGEMENT INC /KS's Holding History (CIK: 0000898358)

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

Q4 2019

Shares 160,017 Value ($000) $17,603 Avg Close $99.99 Range $81.07 - $109.78

Q3 2019

Shares 147,606 Value ($000) $13,621 Avg Close $78.64 Range $68.69 - $91.29

Q2 2019

Shares 71,584 Value ($000) $5,576 Avg Close $80.27 Range $67.03 - $98.53

Q2 2013

Shares 2,190,958 Value ($000) $58,148 Avg Close $23.45 Range $21.31 - $25.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	160,017	$17,603	$99.99	$81.07 - $109.78
Q3 2019	147,606	$13,621	$78.64	$68.69 - $91.29
Q2 2019	71,584	$5,576	$80.27	$67.03 - $98.53
Q2 2013	2,190,958	$58,148	$23.45	$21.31 - $25.25