Historical shareholding details of PRIMECAP Management Company holdings in OSI Systems, Inc. (OSIS)

Monthly changes of PRIMECAP Management Company 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
Jun 30, 2025	Primecap Management Company	321,420	1.91%

Mar 31, 2025	Primecap Management Company	334,330	1.99%

Dec 31, 2024	Primecap Management Company	297,710	1.77%

Sep 30, 2024	Primecap Management Company	294,500	1.75%

Jun 30, 2024	Primecap Management Company	280,620	1.68%

Mar 31, 2024	Primecap Management Company	293,100	1.72%

Dec 31, 2023	Primecap Management Company	285,200	1.67%

Sep 30, 2023	Primecap Management Company	278,990	1.64%

Jun 30, 2023	Primecap Management Company	290,350	1.73%

Mar 31, 2023	Primecap Management Company	294,340	1.76%