Amtech Systems shares owned by Oberweis Asset Management
Quarter-by-quarter ownership of Amtech Systems (ASYS) shares owned by Oberweis Asset Management
from 13F filings
Historical chart of Oberweis Asset Management investment in Amtech Systems
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Quarterly reported holdings in Amtech Systems by Oberweis Asset Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-09-30 | $906k | 119k | 7.62 |
| 2023-06-30 | $1.1M | 119k | 9.56 |
| 2023-03-31 | $1.1M | 119k | 9.54 |
| 2022-12-31 | $866k | 114k | 7.60 |
| 2022-09-30 | $968k | 114k | 8.50 |
| 2022-06-30 | $795k | 109k | 7.30 |
| 2022-03-31 | $1.1M | 111k | 10.06 |
| 2021-12-31 | $1.0M | 103k | 9.88 |
| 2021-09-30 | $772k | 68k | 11.44 |
| 2011-06-30 | $3.2M | 153k | 20.64 |
| 2011-03-31 | $1.3M | 52k | 25.24 |
| 2010-12-31 | $3.7M | 147k | 25.15 |
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