Ardsley Advisory Partners’s MKS Inc. Common Stock MKSI Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2019 Q4	–	Sell	-6,000	Closed	-$554K	–	152
2019 Q3	$554K	Buy	+6,000	New	+$554K	0.12%	70