Westfield Capital Management
ONTO icon

Westfield Capital Management’s Onto Innovation ONTO Stock Holding History

Westfield Capital Management’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
Q1 		$67M Sell
326,960
-156,122
-32% -$32M 0.28% 116
2025
Q4 		$76.3M Buy
483,082
+8,552
+2% +$1.21M 0.32% 102
2025
Q3 		$61.3M Buy
474,530
+123,466
+35% +$13.2M 0.26% 119
2025
Q2 		$35.4M Buy
351,064
+147,498
+72% +$15.8M 0.15% 171
2025
Q1 		$24.7M Sell
203,566
-76,617
-27% -$12.9M 0.12% 167
2024
Q4 		$46.7M Buy
+280,183
New +$51.2M 0.2% 142
2023
Q3 		– Sell
-226,199
Closed -$26.3M – 245
2023
Q2 		$26.3M Sell
226,199
-75,814
-25% -$7.23M 0.17% 158
2023
Q1 		$26.5M Buy
+302,013
New +$24.5M 0.19% 155

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