Historical shareholding details of Oberweis Asset Management Inc holdings in ACI Worldwide Inc (ACIW)

Monthly changes of Oberweis Asset Management Inc shareholding in ACI Worldwide Inc over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Mar 31, 2025	Oberweis Asset Management Inc	663,124	0.63%

Feb 28, 2025	Oberweis Asset Management Inc	663,124	0.63%

Jan 31, 2025	Oberweis Asset Management Inc	408,524	0.39%

Dec 31, 2024	Oberweis Asset Management Inc	333,012	0.32%
Dec 31, 2024	Oberweis Asset Management Inc	408,524	0.39%

Nov 30, 2024	Oberweis Asset Management Inc	408,524	0.39%

Oct 31, 2024	Oberweis Asset Management Inc	825,324	0.79%

Sep 30, 2024	Oberweis Asset Management Inc	205,712	0.20%
Sep 30, 2024	Oberweis Asset Management Inc	825,324	0.79%

Aug 31, 2024	Oberweis Asset Management Inc	825,324	0.79%

Jul 31, 2024	Oberweis Asset Management Inc	757,224	0.72%

Jun 30, 2024	Oberweis Asset Management Inc	412,662	0.39%
Jun 30, 2024	Oberweis Asset Management Inc	689,124	0.65%

May 31, 2024	Oberweis Asset Management Inc	689,124	0.65%

Apr 30, 2024	Oberweis Asset Management Inc	288,524	0.27%

Mar 31, 2024	Oberweis Asset Management Inc	344,562	0.33%
Mar 31, 2024	Oberweis Asset Management Inc	288,524	0.27%

Feb 29, 2024	Oberweis Asset Management Inc	288,524	0.27%