AMTECH SYSTEMS INC (ASYS) Institutional Ownership and Insiders Activity

AMTECH SYSTEMS INC (ASYS) is widely held by institutional investors, with 113 firms reporting positions valued at approximately $241.55M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Aigh Capital Management Llc is the largest disclosed holder, reporting approximately $28.90M in ASYS holdings in its latest filing.

Recent insider activity includes 2 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.