Private Trust Co NA
- SEC CIK
- 0001277557
- Latest filing
- Jul 28, 2026
AMBA holding history
Ambarella Inc in every 13F filed by Private Trust Co NA, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
AMBA overviewAll 13F holders of AMBAFull Q2 2026 holdings
- Shares (Q1 2026)
- 0
- Sold out in Q1 2026
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 15
- Since Q2 2022
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q1 2026 | 0 | $0 | 0.0% | −145−100.0% | Sold out | Holders |
| Q4 2025 | 145 | $10.3K | <0.1% | −40−21.6% | Reduced | Holders |
| Q3 2025 | 185 | $15.3K | <0.1% | +103+125.6% | Added | Holders |
| Q2 2025 | 82 | $5.42K | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2025 | 82 | $4.13K | <0.1% | −16−16.3% | Reduced | Holders |
| Q4 2024 | 98 | $7.13K | <0.1% | 00.0% | Unchanged | Holders |
| Q3 2024 | 98 | $5.53K | <0.1% | 00.0% | Unchanged | Holders |
| Q2 2024 | 98 | $5.29K | <0.1% | +20+25.6% | Added | Holders |
| Q1 2024 | 78 | $3.96K | <0.1% | 00.0% | Unchanged | Holders |
| Q4 2023 | 78 | $4.78K | <0.1% | +17+27.9% | Added | Holders |
| Q3 2023 | 61 | $3.23K | <0.1% | −442−87.9% | Reduced | Holders |
| Q2 2023 | 503 | $42.1K | <0.1% | −350−41.0% | Reduced | Holders |
| Q1 2023 | 853 | $66.0K | <0.1% | 00.0% | Unchanged | Holders |
| Q4 2022 | 853 | $70.0K | <0.1% | 00.0% | Unchanged | Holders |
| Q3 2022 | 853 | $48.0K | <0.1% | 00.0% | Unchanged | Holders |
| Q2 2022 | 853 | $56.0K | <0.1% | +853 | New | Holders |