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 | 2/12/2026 | 3,373 | 0.0% | 125,968 | 12/31/2025 |
| 2025 Q3 | 11/3/2025 | 2,403 | 0.0% | 90,169 | 9/30/2025 |
| 2025 Q2 | 10/8/2025 | 1,111 | 0.0% | 48,369 | 6/30/2025 |
| 2025 Q1 | 10/8/2025 | 2,365 | 0.0% | 81,565 | 3/31/2025 |
| 2024 Q4 | 10/8/2025 | 2,617 | 0.0% | 70,490 | 12/31/2024 |
| 2024 Q3 | 10/8/2025 | 3,421 | 0.0% | 70,490 | 9/30/2024 |
| 2024 Q2 | 10/8/2025 | 2,629 | 0.0% | 65,727 | 6/30/2024 |
| 2024 Q1 | 10/8/2025 | 2,371 | 0.0% | 53,989 | 3/31/2024 |
| 2023 Q4 | 10/8/2025 | 3,321 | 0.0% | 53,688 | 12/31/2023 |
| 2023 Q3 | 10/8/2025 | 2,223 | 0.0% | 48,327 | 9/30/2023 |
| 2023 Q2 | 10/8/2025 | 3,627 | 0.0% | 63,116 | 6/30/2023 |
| 2023 Q1 | 10/8/2025 | 2,242 | 0.0% | 59,786 | 3/31/2023 |
| 2022 Q4 | 10/8/2025 | 799 | 0.0% | 28,533 | 12/31/2022 |
| 2022 Q3 | 11/8/2022 | 752 | 0.0% | 26,746 | 9/30/2022 |
| 2022 Q2 | 8/4/2022 | 926 | 0.0% | 26,604 | 6/30/2022 |
| 2022 Q1 | 7/1/2022 | 948 | 0.0% | 26,400 | 3/31/2022 |
| 2021 Q4 | 2/2/2022 | 622 | 0.0% | 26,704 | 12/31/2021 |
| 2021 Q3 | 11/2/2021 | 509 | 0.0% | 26,798 | 9/30/2021 |
| 2021 Q2 | 8/2/2021 | 653 | 0.0% | 32,404 | 6/30/2021 |
| 2021 Q1 | 5/11/2021 | 588 | 0.0% | 32,100 | 3/31/2021 |
| 2020 Q4 | 2/8/2021 | 646 | 0.0% | 32,100 | 12/31/2020 |
| 2020 Q3 | 11/5/2020 | 602 | 0.0% | 32,100 | 9/30/2020 |
| 2020 Q2 | 8/7/2020 | 721 | 0.0% | 32,100 | 6/30/2020 |
| 2020 Q1 | 5/6/2020 | 476 | 0.0% | 32,100 | 3/31/2020 |
| 2019 Q4 | 2/5/2020 | 619 | 0.0% | 32,100 | 12/31/2019 |