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Amtech Systems shares owned by Comprehensive Portfolio Management

Quarter-by-quarter ownership of Amtech Systems (ASYS) shares owned by Comprehensive Portfolio Management from 13F filings

Historical chart of Comprehensive Portfolio Management investment in Amtech Systems

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All positions including Amtech Systems held by Comprehensive Portfolio Management consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Amtech Systems by Comprehensive Portfolio Management

Quarter filed Position value Share count Share price at filing
2025-12-31 $497k 40k 12.55
2023-09-30 $79k 10k 7.62
2023-06-30 $170k 18k 9.56
2023-03-31 $110k 12k 9.54

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Top funds holding Amtech Systems

Dimensional Fund Advisors
First Eagle Investment Management
Vanguard Group
Pacific Ridge Capital Partners
Arrowstreet Capital, Limited Partnership
Jane Street
BlackRock
Geode Capital Management
Marshall Wace
Acadian Asset Management
Citadel Advisors
Bridgeway Capital Management
Susquehanna International
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Comprehensive Portfolio Management

View all funds holding Amtech Systems