Historical shareholding details of PRIMECAP Management Company holdings in Gibraltar Industries Inc. (ROCK)

Monthly changes of PRIMECAP Management Company shareholding in Gibraltar Industries 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	95,600	0.32%

Mar 31, 2025	Primecap Management Company	102,300	0.35%

Dec 31, 2024	Primecap Management Company	102,300	0.35%

Sep 30, 2024	Primecap Management Company	102,300	0.34%

Jun 30, 2024	Primecap Management Company	102,300	0.34%

Mar 31, 2024	Primecap Management Company	102,300	0.34%

Dec 31, 2023	Primecap Management Company	102,300	0.34%

Sep 30, 2023	Primecap Management Company	113,700	0.37%

Jun 30, 2023	Primecap Management Company	161,200	0.53%

Mar 31, 2023	Primecap Management Company	247,100	0.81%