ONTO INNOVATION INC

Ticker: ONTO CUSIP: 683344105 Class: EQTY

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2025

Shares 42,970 Value ($000) $6,783 Avg Close $142.02 Range $118.97 - $171.32

Q2 2024

Shares 26,780 Value ($000) $5,880 Avg Close $206.70 Range $166.65 - $238.13

Q1 2024

Shares 40,740 Value ($000) $7,377 Avg Close $168.90 Range $134.11 - $199.72

Q4 2023

Shares 50,790 Value ($000) $7,766 Avg Close $134.52 Range $108.98 - $158.50

Q3 2023

Shares 50,840 Value ($000) $6,483 Avg Close $118.86 Range $103.94 - $142.26

Q2 2023

Shares 37,660 Value ($000) $4,386 Avg Close $95.40 Range $76.40 - $117.99

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	42,970	$6,783	$142.02	$118.97 - $171.32
Q2 2024	26,780	$5,880	$206.70	$166.65 - $238.13
Q1 2024	40,740	$7,377	$168.90	$134.11 - $199.72
Q4 2023	50,790	$7,766	$134.52	$108.98 - $158.50
Q3 2023	50,840	$6,483	$118.86	$103.94 - $142.26
Q2 2023	37,660	$4,386	$95.40	$76.40 - $117.99