Amtech Systems shares owned by Group One Trading
Quarter-by-quarter ownership of Amtech Systems (ASYS) shares owned by Group One Trading
from 13F filings
Historical chart of Group One Trading investment in Amtech Systems
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Quarterly reported holdings in Amtech Systems by Group One Trading
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $19k | 2.0k | 9.26 |
| 2024-03-31 | $5.7k | 1.1k | 5.41 |
| 2021-09-30 | $25k | 2.2k | 11.34 |
| 2021-03-31 | $8.0k | 669 | 11.96 |
| 2020-09-30 | $7.0k | 1.5k | 4.67 |
| 2019-12-31 | $2.0k | 300 | 6.67 |
| 2018-09-30 | $1.0k | 260 | 3.85 |
| 2018-06-30 | $7.0k | 1.1k | 6.42 |
| 2018-03-31 | $34k | 4.6k | 7.41 |
| 2017-12-31 | $3.0k | 300 | 10.00 |
| 2017-09-30 | $7.0k | 600 | 11.67 |
| 2013-06-30 | $3.0k | 519 | 5.78 |