Historical shareholding details of Renaissance Technologies Corp holdings in Amphastar Pharmaceuticals Inc (AMPH)

Monthly changes of Renaissance Technologies Corp shareholding in Amphastar Pharmaceuticals 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	495,000	1.05%

Dec 31, 2024	Renaissance Technologies Corp	525,500	1.11%

Sep 30, 2024	Renaissance Technologies Corp	489,400	1.02%

Jun 30, 2024	Renaissance Technologies Corp	537,700	1.11%

Mar 31, 2024	Renaissance Technologies Corp	599,100	1.22%

Dec 31, 2023	Renaissance Technologies Corp	641,900	1.31%

Sep 30, 2023	Renaissance Technologies Corp	603,100	1.26%

Jun 30, 2023	Renaissance Technologies Corp	492,583	1.01%

Mar 31, 2023	Renaissance Technologies Corp	496,800	1.02%