Amphastar Pharmaceuticals shares owned by Algert Coldiron Investors
Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by Algert Coldiron Investors
from 13F filings
Historical chart of Algert Coldiron Investors investment in Amphastar Pharmaceuticals
Tip: Access up to 7 years of quarterly data
All positions including Amphastar Pharmaceuticals held by Algert Coldiron Investors consolidated in one spreadsheet with up to 7 years of data
Download as csv
Download as Excel
Quarterly reported holdings in Amphastar Pharmaceuticals by Algert Coldiron Investors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $11M | 393k | 26.65 |
| 2025-06-30 | $2.9M | 124k | 22.96 |
| 2025-03-31 | $502k | 17k | 29.02 |
| 2024-09-30 | $3.2M | 66k | 48.53 |
| 2023-12-31 | $1.0M | 17k | 61.83 |
| 2023-09-30 | $774k | 17k | 46.02 |
| 2023-06-30 | $3.0M | 51k | 57.47 |
| 2023-03-31 | $1.1M | 30k | 37.50 |
| 2022-12-31 | $242k | 8.7k | 27.97 |
| 2022-09-30 | $998k | 36k | 28.09 |
| 2022-06-30 | $1.1M | 31k | 34.78 |
| 2022-03-31 | $511k | 14k | 35.88 |
| 2016-09-30 | $603k | 32k | 18.99 |