Ardsley Advisory Partners’s Onto Innovation ONTO Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2025 Q1	–	Sell	-21,400	Closed	-$3.57M	–	141
2024 Q4	$3.57M	Buy	21,400 +1,500	+8%	+$250K	0.57%	54
2024 Q3	$4.13M	Buy	19,900 +6,400	+47%	+$1.33M	0.68%	50
2024 Q2	$2.96M	Buy	+13,500	New	+$2.96M	0.44%	55