Historical shareholding details of SEI Investments Co holdings in Ecovyst Inc (ECVT)

Monthly changes of SEI Investments Co shareholding in Ecovyst Inc over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Dec 31, 2024	Sei Investments Co	213,435	0.18%

Sep 30, 2024	Sei Investments Co	223,276	0.19%

Jun 30, 2024	Sei Investments Co	818,770	0.70%

Mar 31, 2024	Sei Investments Co	521,176	0.45%

Dec 31, 2023	Sei Investments Co	329,337	0.28%

Sep 30, 2023	Sei Investments Co	373,085	0.32%

Jun 30, 2023	Sei Investments Co	519,589	0.45%

Mar 31, 2023	Sei Investments Co	441,539	0.38%

Dec 31, 2022	Sei Investments Co	143,284	0.12%