Historical shareholding details of PRIMECAP Management Company holdings in AECOM (ACM)

Monthly changes of PRIMECAP Management Company shareholding in AECOM 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	10,148,730	7.67%

Dec 31, 2024	Primecap Management Company	11,381,582	8.62%

Sep 30, 2024	Primecap Management Company	12,511,207	9.43%

Jun 30, 2024	Primecap Management Company	13,021,913	9.71%

Mar 31, 2024	Primecap Management Company	13,426,219	9.89%

Dec 31, 2023	Primecap Management Company	14,009,719	10.30%

Sep 30, 2023	Primecap Management Company	14,585,379	10.72%

Jun 30, 2023	Primecap Management Company	14,960,071	10.78%

Mar 31, 2023	Primecap Management Company	16,116,639	11.59%