Historical shareholding details of PRIMECAP Management Company holdings in Glaukos Corporation (GKOS)

Monthly changes of PRIMECAP Management Company shareholding in Glaukos Corporation over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Mar 31, 2025	Primecap Management Company	1,218,475	2.13%

Dec 31, 2024	Primecap Management Company	1,214,325	2.13%

Sep 30, 2024	Primecap Management Company	1,245,185	2.26%

Jun 30, 2024	Primecap Management Company	1,220,815	2.21%

Mar 31, 2024	Primecap Management Company	848,635	1.54%

Dec 31, 2023	Primecap Management Company	790,035	1.57%

Sep 30, 2023	Primecap Management Company	638,620	1.31%

Jun 30, 2023	Primecap Management Company	618,500	1.27%

Mar 31, 2023	Primecap Management Company	608,200	1.26%