South Street Advisors LLC / ONTO
South Street Advisors LLC’s Onto Innovation Inc Position
Does South Street Advisors LLC own Onto Innovation Inc (ONTO)? Yes — 91.3K shares worth $19M (+2.71% of its 13F portfolio) as of Q1 2026, up from 85.4K shares the prior filed quarter.
Position Value
$19M
Q1 2026
Shares
91.3K
% of Portfolio
+2.71%
Quarters Held
19
currently held
Position History ONTO
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q1 2026 | 91.3K | $19M | +2.71% |
| Q4 2025 | 85.4K | $13M | +1.89% |
| Q3 2025 | 91.1K | $12M | +1.54% |
| Q2 2025 | 86.5K | $9M | +1.29% |
| Q1 2025 | 89.7K | $11M | +1.78% |
| Q4 2024 | 89.3K | $15M | +2.28% |
| Q3 2024 | 88.5K | $18M | +2.79% |
| Q2 2024 | 90.8K | $20M | +3.02% |
| Q1 2024 | 92.5K | $17M | +2.67% |
| Q4 2023 | 88.7K | $14M | +2.53% |
| Q3 2023 | 88.3K | $11M | +2.26% |
| Q2 2023 | 87.9K | $10M | +2.03% |
| Q1 2023 | 117.2K | $10M | +2.11% |
| Q4 2022 | 116.3K | $8M | +1.75% |
| Q3 2022 | 110.6K | $7M | +1.75% |
| Q2 2022 | 111.7K | $8M | +1.77% |
| Q1 2022 | 113.1K | $10M | +1.86% |
| Q4 2021 | 112.6K | $11M | +2.00% |
| Q3 2021 | 77.2K | $6M | +1.06% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See South Street Advisors LLC’s full portfolio or all institutional holders of ONTO.