Historical shareholding details of Acadian Asset Management LLC holdings in MKS Instruments, Inc. (MKSI)

Monthly changes of Acadian Asset Management LLC shareholding in MKS Instruments, Inc. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Dec 31, 2024	Acadian Asset Management Llc	28,548	0.04%

Sep 30, 2024	Acadian Asset Management Llc	30,248	0.04%

Jun 30, 2024	Acadian Asset Management Llc	39,064	0.06%

Sep 30, 2023	Acadian Asset Management Llc	0	0.00%

Jun 30, 2023	Acadian Asset Management Llc	20,158	0.03%