Position in ONTO
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$1,794,231
+$821,995 QoQ
Shares Held
4,741
0.0% QoQ
Ownership
0.010%
of shares outstanding
% of Portfolio
0.14%
of 13F equity value
Holder Rank
#330
of 686 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ONTO Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026Stonebridge Capital Advisors LLC holds $8,228,015 across 5 Semiconductor Equipment & Materials names. ONTO ranks #2 (21.8% of the industry book) .
All Filings in ONTO
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25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,794,231 | 4,741 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $972,236 | 4,741 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $748,414 | 4,741 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $612,632 | 4,741 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $478,509 | 4,741 | Shares | Sole | 2025-08-15 | |
| 2025-03-31 | $575,272 | 4,741 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $790,182 | 4,741 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $984,041 | 4,741 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $1,040,933 | 4,741 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $858,500 | 4,741 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $724,898 | 4,741 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $604,572 | 4,741 | Shares | Sole | 2023-11-15 | |
| 2023-06-30 | $552,184 | 4,741 | Shares | Sole | 2023-08-23 | |
| 2023-03-31 | $416,639 | 4,741 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $322,814 | 4,741 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $303,661 | 4,741 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $330,637 | 4,741 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $411,945 | 4,741 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $479,931 | 4,741 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $342,537 | 4,741 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $346,282 | 4,741 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $311,531 | 4,741 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $225,434 | 4,741 | Shares | Sole | 2021-03-05 | |
| 2020-06-30 | $161,383 | 4,741 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $140,665 | 4,741 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||