1. Amphastar Pharmaceuticals Inc
  2. Amphastar Pharmaceuticals Inc Ownership

Historical shareholding details of Dimensional Fund Advisors, Inc. holdings in Amphastar Pharmaceuticals Inc (AMPH)

Monthly changes of Dimensional Fund Advisors, Inc. shareholding in Amphastar Pharmaceuticals Inc over the previous months

Month Name Total no. shares held Percent Holding
Feb 28, 2025 Dimensional Fund Advisors, Inc. 16,114 0.03%
Jan 31, 2025 Dimensional Fund Advisors, Inc. 16,114 0.03%
Dec 31, 2024 Dimensional Fund Advisors, Inc. 1,198,590 2.52%
Dec 31, 2024 Dimensional Fund Advisors, Inc. 16,114 0.03%
Nov 30, 2024 Dimensional Fund Advisors, Inc. 16,114 0.03%
Oct 31, 2024 Dimensional Fund Advisors, Inc. 16,114 0.03%
Sep 30, 2024 Dimensional Fund Advisors, Inc. 1,093,302 2.27%
Sep 30, 2024 Dimensional Fund Advisors, Inc. 16,114 0.03%
Aug 31, 2024 Dimensional Fund Advisors, Inc. 16,114 0.03%
Jul 31, 2024 Dimensional Fund Advisors, Inc. 16,114 0.03%
Jun 30, 2024 Dimensional Fund Advisors, Inc. 1,070,275 2.21%
Jun 30, 2024 Dimensional Fund Advisors, Inc. 16,114 0.03%
May 31, 2024 Dimensional Fund Advisors, Inc. 16,114 0.03%
Apr 30, 2024 Dimensional Fund Advisors, Inc. 16,114 0.03%
Mar 31, 2024 Dimensional Fund Advisors, Inc. 1,183,830 2.42%
Mar 31, 2024 Dimensional Fund Advisors, Inc. 16,114 0.03%
Feb 29, 2024 Dimensional Fund Advisors, Inc. 16,114 0.03%
Jan 31, 2024 Dimensional Fund Advisors, Inc. 16,114 0.03%
Dec 31, 2023 Dimensional Fund Advisors, Inc. 1,339,142 2.74%
Dec 31, 2023 Dimensional Fund Advisors, Inc. 16,114 0.03%
Nov 30, 2023 Dimensional Fund Advisors, Inc. 16,114 0.03%
Oct 31, 2023 Dimensional Fund Advisors, Inc. 16,114 0.03%
Sep 30, 2023 Dimensional Fund Advisors, Inc. 1,887,738 3.94%
Sep 30, 2023 Dimensional Fund Advisors, Inc. 16,114 0.03%
Aug 31, 2023 Dimensional Fund Advisors, Inc. 16,114 0.03%
Jul 31, 2023 Dimensional Fund Advisors, Inc. 16,114 0.03%
Jun 30, 2023 Dimensional Fund Advisors, Inc. 1,930,615 3.95%
Jun 30, 2023 Dimensional Fund Advisors, Inc. 16,114 0.03%
May 31, 2023 Dimensional Fund Advisors, Inc. 16,114 0.03%
Mar 31, 2023 Dimensional Fund Advisors, Inc. 1,917,571 3.97%

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