Historical shareholding details of Oberweis Asset Management Inc holdings in OSI Systems, Inc. (OSIS)

Monthly changes of Oberweis Asset Management Inc shareholding in OSI 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	Oberweis Asset Management Inc	200,800	1.20%

Feb 28, 2025	Oberweis Asset Management Inc	200,800	1.20%

Jan 31, 2025	Oberweis Asset Management Inc	138,400	0.82%

Dec 31, 2024	Oberweis Asset Management Inc	100,400	0.60%
Dec 31, 2024	Oberweis Asset Management Inc	138,400	0.83%

Nov 30, 2024	Oberweis Asset Management Inc	138,400	0.83%

Oct 31, 2024	Oberweis Asset Management Inc	138,400	0.83%

Sep 30, 2024	Oberweis Asset Management Inc	69,200	0.41%
Sep 30, 2024	Oberweis Asset Management Inc	138,400	0.83%

Aug 31, 2024	Oberweis Asset Management Inc	138,400	0.84%

Jul 31, 2024	Oberweis Asset Management Inc	124,500	0.73%

Jun 30, 2024	Oberweis Asset Management Inc	69,200	0.41%
Jun 30, 2024	Oberweis Asset Management Inc	110,600	0.65%

May 31, 2024	Oberweis Asset Management Inc	110,600	0.65%

Apr 30, 2024	Oberweis Asset Management Inc	70,600	0.41%

Mar 31, 2024	Oberweis Asset Management Inc	55,300	0.32%
Mar 31, 2024	Oberweis Asset Management Inc	70,600	0.41%

Feb 29, 2024	Oberweis Asset Management Inc	70,600	0.41%

Jan 31, 2024	Oberweis Asset Management Inc	50,800	0.30%

Dec 31, 2023	Oberweis Asset Management Inc	50,800	0.30%

Nov 30, 2023	Oberweis Asset Management Inc	25,400	0.15%

Oct 31, 2023	Oberweis Asset Management Inc	25,400	0.15%

Sep 30, 2023	Oberweis Asset Management Inc	25,400	0.15%