Amtech Systems INC Schedule 13G passive stakes

Wasatch Advisors LP has reported a beneficial ownership of 1,184,904 shares, representing 6.8% of the common stock in Amtech Systems Inc., as of September 30, 2026.

First Eagle Investment Management, LLC has updated its beneficial ownership filing for Amtech Systems Inc., now holding 4.9% of the company's common stock.

AIGH Capital Management and affiliated entities report beneficial ownership of 7.2% of Amtech Systems, Inc. common stock as of June 30, 2026.

Wax Asset Management, LLC has reported an increased beneficial ownership of 9.2% in Amtech Systems Inc common stock.

Dimensional Fund Advisors LP has disclosed a 4.7% beneficial ownership stake in Amtech Systems Inc. common stock as of December 31, 2025.

Royce & Associates LP has filed an Amendment No. 13 to its Schedule 13G, disclosing a 4.11% beneficial ownership stake in Amtech Systems, Inc. as of March 31, 2025.

Pacific Ridge Capital Partners, LLC has filed an amendment to its Schedule 13G, reporting a beneficial ownership of 4.57% in Amtech Systems Inc., indicating a reduction below the 5% threshold.

Wax Asset Management, LLC has reported a 15.8% beneficial ownership stake in Amtech Systems Inc's common stock as of December 31, 2024, according to its latest Schedule 13G filing.

Royce & Associates LP has filed an amended Schedule 13G, reporting a 10.36% beneficial ownership stake in Amtech Systems, Inc. as of December 31, 2024.