Amtech Systems Inc (ASYS) Ownership & Trading Activity

Institutional holders, insider transactions, and congressional trades for ASYS. 13F holdings as of 2026-06-30.

In 13F filings for the quarter ended June 30, 2026, 110 institutions reported holding ASYS, with 10.5 million shares worth $241.6 million in aggregate.

Top Institutional Holders

InstitutionSharesValueChange
Aigh Capital Management1,252,000$29MNEW
First Eagle Investment Management848,426$20MINCREASED
BlackRock763,487$18MINCREASED
Vanguard747,940$17MINCREASED
Awm Investment Company690,000$16MNEW

Full institutional holdings, insider history, and congressional trades for Amtech Systems Inc on SentiSense.