Historical shareholding details of PRIMECAP Management Company holdings in Repligen Corp. (RGEN)

Monthly changes of PRIMECAP Management Company shareholding in Repligen Corp. 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	138,278	0.25%

Mar 31, 2025	Primecap Management Company	30,858	0.05%

Dec 31, 2024	Primecap Management Company	30,858	0.05%

Sep 30, 2024	Primecap Management Company	54,729	0.10%

Jun 30, 2024	Primecap Management Company	54,729	0.10%

Mar 31, 2024	Primecap Management Company	58,129	0.10%

Dec 31, 2023	Primecap Management Company	52,629	0.09%

Sep 30, 2023	Primecap Management Company	50,629	0.09%

Jun 30, 2023	Primecap Management Company	47,379	0.08%

Mar 31, 2023	Primecap Management Company	47,379	0.09%