Ardsley Advisory Partners’s Onto Innovation ONTO Stock Holding History

Ardsley Advisory Partners’s Portfolio ONTO Stock Details ONTO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$11.9M	Buy	+31,500	New	+$8.91M	1.24%	22
2026 Q1	–	Sell	-43,500	Closed	-$6.87M	–	189
2025 Q4	$6.87M	Buy	43,500 +3,000	+7%	+$426K	0.75%	47
2025 Q3	$5.23M	Buy	+40,500	New	+$4.33M	0.65%	56
2025 Q1	–	Sell	-21,400	Closed	-$3.57M	–	188
2024 Q4	$3.57M	Buy	21,400 +1,500	+8%	+$274K	0.57%	65
2024 Q3	$4.13M	Buy	19,900 +6,400	+47%	+$1.29M	0.68%	55
2024 Q2	$2.96M	Buy	+13,500	New	+$2.79M	0.44%	63

Other funds holding ONTO

TT International Asset Management London, United Kingdom $783M AUM 104.75% 1-Year Est. Return

Assenagon Asset Management

Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return

Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return

Handelsbanken Fonder

Handelsbanken Fonder Stockholm, Sweden $35.1B AUM 47.76% 1-Year Est. Return

Wealth Enhancement Advisory Services

Wealth Enhancement Advisory Services Plymouth, Minnesota $59.8B AUM 29.42% 1-Year Est. Return

NorthCrest Asset Manangement Plymouth, Minnesota $3.89B AUM 40.33% 1-Year Est. Return

Argent Capital Management St Louis, Missouri $3.17B AUM 36.16% 1-Year Est. Return

Eagle Rock Investment Company Atlanta, Georgia $808M AUM 44.28% 1-Year Est. Return

Moody National Bank Trust Division Galveston, Texas $1.21B AUM 38.93% 1-Year Est. Return

Hennion & Walsh Asset Management Parsippany, New Jersey $3.5B AUM 41.95% 1-Year Est. Return