Amtech Systems shares owned by Dimensional Fund Advisors
Quarter-by-quarter ownership of Amtech Systems (ASYS) shares owned by Dimensional Fund Advisors
from 13F filings
Historical chart of Dimensional Fund Advisors investment in Amtech Systems
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Quarterly reported holdings in Amtech Systems by Dimensional Fund Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2024-09-30 | $5.4M | 924k | 5.80 |
| 2024-06-30 | $5.5M | 943k | 5.86 |
| 2024-03-31 | $5.5M | 1.0M | 5.41 |
| 2023-12-31 | $4.7M | 1.1M | 4.20 |
| 2023-09-30 | $8.6M | 1.1M | 7.62 |
| 2023-06-30 | $11M | 1.1M | 9.56 |
| 2023-03-31 | $11M | 1.2M | 9.54 |
| 2022-12-31 | $8.7M | 1.1M | 7.60 |
| 2022-09-30 | $9.6M | 1.1M | 8.50 |
| 2022-06-30 | $8.3M | 1.1M | 7.30 |
| 2022-03-31 | $11M | 1.1M | 10.06 |
| 2021-12-31 | $11M | 1.1M | 9.88 |
| 2021-09-30 | $13M | 1.1M | 11.43 |
| 2021-06-30 | $11M | 1.1M | 9.64 |
| 2021-03-31 | $13M | 1.1M | 11.82 |
| 2020-12-31 | $7.0M | 1.1M | 6.38 |
| 2020-09-30 | $5.6M | 1.1M | 4.89 |
| 2020-06-30 | $5.6M | 1.1M | 4.87 |
| 2020-03-31 | $5.1M | 1.2M | 4.35 |
| 2019-12-31 | $8.4M | 1.2M | 7.16 |
| 2019-09-30 | $6.5M | 1.2M | 5.30 |
| 2019-06-30 | $6.8M | 1.2M | 5.50 |
| 2019-03-31 | $6.7M | 1.3M | 5.33 |
| 2018-12-31 | $5.7M | 1.3M | 4.53 |
| 2018-09-30 | $6.7M | 1.3M | 5.34 |
| 2018-06-30 | $6.6M | 1.1M | 6.05 |
| 2018-03-31 | $6.3M | 859k | 7.32 |
| 2017-12-31 | $7.1M | 701k | 10.07 |
| 2017-09-30 | $6.6M | 553k | 11.98 |
| 2017-06-30 | $3.9M | 467k | 8.44 |
| 2017-03-31 | $2.3M | 414k | 5.50 |
| 2016-12-31 | $1.7M | 392k | 4.25 |
| 2016-09-30 | $2.0M | 408k | 4.96 |
| 2016-06-30 | $2.4M | 408k | 5.97 |
| 2016-03-31 | $2.6M | 408k | 6.49 |
| 2015-12-31 | $2.4M | 391k | 6.26 |
| 2015-09-30 | $1.7M | 401k | 4.30 |
| 2015-03-31 | $4.6M | 411k | 11.18 |
| 2014-12-31 | $3.5M | 348k | 10.15 |
| 2014-09-30 | $3.7M | 343k | 10.70 |
| 2014-06-30 | $4.3M | 350k | 12.23 |
| 2014-03-31 | $4.2M | 343k | 12.17 |
| 2013-12-31 | $2.3M | 337k | 6.96 |
| 2013-09-30 | $2.4M | 332k | 7.30 |
| 2013-06-30 | $2.1M | 330k | 6.36 |