Historical shareholding details of Renaissance Technologies Corp holdings in Energy Recovery Inc (ERII)

Monthly changes of Renaissance Technologies Corp shareholding in Energy Recovery 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	241,500	0.44%

Dec 31, 2024	Renaissance Technologies Corp	190,400	0.35%

Jun 30, 2024	Renaissance Technologies Corp	0	0.00%

Mar 31, 2024	Renaissance Technologies Corp	162,000	0.28%

Dec 31, 2023	Renaissance Technologies Corp	99,300	0.17%

Dec 31, 2022	Renaissance Technologies Corp	0	0.00%