Amphastar Pharmaceuticals, Inc.
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 | 2/6/2026 | 156 | 0.0% | 5,808 | 12/31/2025 |
| 2025 Q3 | 11/7/2025 | 147 | 0.0% | 5,531 | 9/30/2025 |
| 2025 Q2 | 8/8/2025 | 149 | 0.0% | 6,483 | 6/30/2025 |
| 2025 Q1 | 5/9/2025 | 139 | 0.0% | 4,783 | 3/31/2025 |
| 2024 Q4 | 2/7/2025 | 156 | 0.0% | 4,203 | 12/31/2024 |
| 2024 Q3 | 11/8/2024 | 107 | 0.0% | 2,211 | 9/30/2024 |
| 2024 Q2 | 8/9/2024 | 86 | 0.0% | 2,153 | 6/30/2024 |
| 2024 Q1 | 5/10/2024 | 292 | 0.0% | 6,642 | 3/31/2024 |
| 2023 Q4 | 3/22/2024 | 139 | 0.0% | 2,248 | 12/31/2023 |
| 2023 Q3 | 11/13/2023 | 113 | 0.0% | 2,467 | 9/30/2023 |
| 2023 Q2 | 8/11/2023 | 138 | 0.0% | 2,408 | 6/30/2023 |
| 2023 Q1 | 5/15/2023 | 86 | 0.0% | 2,280 | 3/31/2023 |
| 2022 Q4 | 2/10/2023 | 67 | 0.0% | 2,376 | 12/31/2022 |
| 2022 Q3 | 11/10/2022 | 80 | 0.0% | 2,863 | 9/30/2022 |
| 2022 Q2 | 8/12/2022 | 70 | 0.0% | 2,022 | 6/30/2022 |
| 2022 Q1 | 5/12/2022 | 73 | 0.0% | 2,017 | 3/31/2022 |
| 2021 Q4 | 2/11/2022 | 44 | 0.0% | 1,936 | 12/31/2021 |
| 2021 Q3 | 11/5/2021 | 41 | 0.0% | 2,151 | 9/30/2021 |
| 2021 Q2 | 8/6/2021 | 47 | 0.0% | 2,287 | 6/30/2021 |
| 2021 Q1 | 5/7/2021 | 49 | 0.0% | 2,721 | 3/31/2021 |
| 2020 Q4 | 2/12/2021 | 48 | 0.0% | 2,344 | 12/31/2020 |
| 2020 Q3 | 11/6/2020 | 40 | 0.0% | 2,073 | 9/30/2020 |
| 2020 Q2 | 8/28/2020 | 44 | 0.0% | 1,972 | 6/30/2020 |
| 2020 Q1 | 5/8/2020 | 30 | 0.0% | 2,021 | 3/31/2020 |
| 2019 Q4 | 2/7/2020 | 52 | 0.0% | 2,725 | 12/31/2019 |