Amphastar Pharmaceuticals, Inc.

CHARLES SCHWAB INVESTMENT MANAGEMENT INC AMPH

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/13/2026

Shares

350,707

Value ($000)

9,392

Weight

0.0%

2019 Q4 - 2025 Q4 (25 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	2/13/2026	9,392	0.0%	350,707	12/31/2025
2025 Q3	11/10/2025	9,498	0.0%	356,409	9/30/2025
2025 Q2	8/12/2025	7,962	0.0%	346,784	6/30/2025
2025 Q1	9/15/2025	9,457	0.0%	326,226	3/31/2025
2024 Q4	2/6/2025	12,903	0.0%	347,512	12/31/2024
2024 Q3	11/12/2024	16,988	0.0%	350,056	9/30/2024
2024 Q2	8/12/2024	14,369	0.0%	359,222	6/30/2024
2024 Q1	5/9/2024	15,650	0.0%	356,405	3/31/2024
2023 Q4	2/6/2024	23,471	0.0%	379,480	12/31/2023
2023 Q3	11/8/2023	16,206	0.0%	352,378	9/30/2023
2023 Q2	8/10/2023	18,865	0.0%	328,262	6/30/2023
2023 Q1	5/12/2023	12,372	0.0%	329,913	3/31/2023
2022 Q4	2/13/2023	9,157	0.0%	326,788	12/31/2022
2022 Q3	11/14/2022	8,635	0.0%	307,293	9/30/2022
2022 Q2	8/15/2022	10,952	0.0%	314,793	6/30/2022
2022 Q1	5/13/2022	9,636	0.0%	268,398	3/31/2022
2021 Q4	2/11/2022	6,078	0.0%	260,935	12/31/2021
2021 Q3	11/16/2021	4,805	0.0%	252,767	9/30/2021
2021 Q2	8/16/2021	5,109	0.0%	253,387	6/30/2021
2021 Q1	5/17/2021	4,542	0.0%	247,899	3/31/2021
2020 Q4	2/16/2021	4,870	0.0%	242,148	12/31/2020
2020 Q3	11/13/2020	4,447	0.0%	237,132	9/30/2020
2020 Q2	8/20/2020	5,124	0.0%	228,101	6/30/2020
2020 Q1	5/15/2020	3,267	0.0%	220,092	3/31/2020
2019 Q4	2/7/2020	4,169	0.0%	216,109	12/31/2019