Historical shareholding details of Renaissance Technologies Corp holdings in Amtech Systems Inc. (ASYS)

Monthly changes of Renaissance Technologies Corp shareholding in Amtech Systems Inc. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Mar 31, 2025	Renaissance Technologies Corp	12,700	0.09%

Dec 31, 2024	Renaissance Technologies Corp	11,700	0.08%

Sep 30, 2023	Renaissance Technologies Corp	0	0.00%

Jun 30, 2023	Renaissance Technologies Corp	77,661	0.55%

Mar 31, 2023	Renaissance Technologies Corp	75,547	0.53%