Historical shareholding details of Renaissance Technologies Corp holdings in NPK International Inc. (NPKI)

Monthly changes of Renaissance Technologies Corp shareholding in NPK International 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	809,000	0.96%

Dec 31, 2024	Renaissance Technologies Corp	802,816	0.95%

Sep 30, 2024	Renaissance Technologies Corp	859,341	0.99%

Jun 30, 2024	Renaissance Technologies Corp	653,000	0.75%

Mar 31, 2024	Renaissance Technologies Corp	637,141	0.74%

Dec 31, 2023	Renaissance Technologies Corp	825,263	0.97%

Sep 30, 2023	Renaissance Technologies Corp	321,263	0.38%

Jun 30, 2023	Renaissance Technologies Corp	475,376	0.55%

Mar 31, 2023	Renaissance Technologies Corp	403,293	0.46%