Historical shareholding details of Renaissance Technologies Corp holdings in Ecovyst Inc (ECVT)

Monthly changes of Renaissance Technologies Corp shareholding in Ecovyst Inc over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Mar 31, 2025	Renaissance Technologies Corp	282,700	0.24%

Dec 31, 2024	Renaissance Technologies Corp	392,000	0.33%

Sep 30, 2024	Renaissance Technologies Corp	506,400	0.43%

Jun 30, 2024	Renaissance Technologies Corp	339,400	0.29%

Mar 31, 2024	Renaissance Technologies Corp	304,400	0.26%

Dec 31, 2023	Renaissance Technologies Corp	326,100	0.28%

Sep 30, 2023	Renaissance Technologies Corp	369,700	0.32%

Jun 30, 2023	Renaissance Technologies Corp	403,300	0.35%

Mar 31, 2023	Renaissance Technologies Corp	303,500	0.26%