Amphastar Pharmaceuticals, Inc.

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM AMPH

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

35,798

Value ($000)

959

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	2/17/2026	959	0.0%	35,798	12/31/2025
2025 Q3	11/14/2025	956	0.0%	35,879	9/30/2025
2025 Q2	8/14/2025	824	0.0%	35,877	6/30/2025
2025 Q1	5/15/2025	1,054	0.0%	36,369	3/31/2025
2024 Q4	3/18/2025	1,350	0.0%	36,369	12/31/2024
2024 Q3	4/4/2025	1,794	0.0%	36,964	9/30/2024
2024 Q2	4/8/2025	1,525	0.0%	38,117	6/30/2024
2024 Q1	5/16/2024	1,680	0.0%	38,269	3/31/2024
2023 Q4	2/13/2024	2,545	0.0%	41,155	12/31/2023
2023 Q3	11/14/2023	1,956	0.0%	42,523	9/30/2023
2023 Q2	8/21/2023	2,676	0.0%	46,564	6/30/2023
2023 Q1	5/9/2023	1,808	0.0%	48,216	3/31/2023
2022 Q4	2/14/2023	1,384	0.0%	49,409	12/31/2022
2022 Q3	11/21/2022	1,378	0.0%	49,024	9/30/2022
2022 Q2	8/15/2022	1,731	0.0%	49,751	6/30/2022
2022 Q1	5/16/2022	1,736	0.0%	48,368	3/31/2022
2021 Q4	2/15/2022	1,221	0.0%	52,424	12/31/2021
2021 Q3	11/15/2021	967	0.0%	50,866	9/30/2021
2021 Q2	8/16/2021	1,030	0.0%	51,101	6/30/2021
2021 Q1	5/18/2021	1,007	0.0%	54,945	3/31/2021
2020 Q4	2/16/2021	1,109	0.0%	55,143	12/31/2020
2020 Q3	11/17/2020	1,034	0.0%	55,143	9/30/2020
2020 Q2	8/17/2020	1,217	0.0%	54,193	6/30/2020
2020 Q1	5/13/2020	804	0.0%	54,193	3/31/2020
2019 Q4	2/14/2020	1,048	0.0%	54,321	12/31/2019