MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

MARATHON CAPITAL MANAGEMENT's Holding History (CIK: 0001213206)

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

Q3 2021

Shares 1,560 Value ($000) $236 Avg Close $148.13 Range $133.76 - $168.78

Q2 2021

Shares 1,560 Value ($000) $277 Avg Close $175.09 Range $158.98 - $192.11

Q1 2021

Shares 1,560 Value ($000) $289 Avg Close $161.78 Range $138.78 - $185.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	1,560	$236	$148.13	$133.76 - $168.78
Q2 2021	1,560	$277	$175.09	$158.98 - $192.11
Q1 2021	1,560	$289	$161.78	$138.78 - $185.00