Amtech Systems shares owned by Vanguard Portfolio Management
Quarter-by-quarter ownership of Amtech Systems (ASYS) shares owned by Vanguard Portfolio Management
from 13F filings
Historical chart of Vanguard Portfolio Management investment in Amtech Systems
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Quarterly reported holdings in Amtech Systems by Vanguard Portfolio Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2026-06-30 | $1.9M | 81k | 23.08 |
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