Historical shareholding details of Oberweis Asset Management Inc holdings in Gorman-Rupp Co. (GRC)

Monthly changes of Oberweis Asset Management Inc shareholding in Gorman-Rupp Co. 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	166,800	0.64%

Feb 28, 2025	Oberweis Asset Management Inc	166,800	0.64%

Jan 31, 2025	Oberweis Asset Management Inc	137,800	0.53%

Dec 31, 2024	Oberweis Asset Management Inc	83,400	0.32%
Dec 31, 2024	Oberweis Asset Management Inc	137,800	0.53%

Nov 30, 2024	Oberweis Asset Management Inc	137,800	0.53%

Oct 31, 2024	Oberweis Asset Management Inc	137,800	0.53%

Sep 30, 2024	Oberweis Asset Management Inc	68,900	0.26%
Sep 30, 2024	Oberweis Asset Management Inc	137,800	0.53%

Aug 31, 2024	Oberweis Asset Management Inc	137,800	0.53%

Jul 31, 2024	Oberweis Asset Management Inc	137,800	0.53%

Jun 30, 2024	Oberweis Asset Management Inc	68,900	0.26%
Jun 30, 2024	Oberweis Asset Management Inc	137,800	0.53%

May 31, 2024	Oberweis Asset Management Inc	137,800	0.53%

Apr 30, 2024	Oberweis Asset Management Inc	137,800	0.53%

Mar 31, 2024	Oberweis Asset Management Inc	68,900	0.26%
Mar 31, 2024	Oberweis Asset Management Inc	137,800	0.53%

Feb 29, 2024	Oberweis Asset Management Inc	137,800	0.53%

Jan 31, 2024	Oberweis Asset Management Inc	130,000	0.50%

Dec 31, 2023	Oberweis Asset Management Inc	130,000	0.50%

Nov 30, 2023	Oberweis Asset Management Inc	65,000	0.25%

Oct 31, 2023	Oberweis Asset Management Inc	65,000	0.25%

Sep 30, 2023	Oberweis Asset Management Inc	65,000	0.25%