Amphastar Pharmaceuticals shares owned by SummerHaven Investment Management
Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by SummerHaven Investment Management
from 13F filings
Historical chart of SummerHaven Investment Management investment in Amphastar Pharmaceuticals
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All positions including Amphastar Pharmaceuticals held by SummerHaven Investment Management consolidated in one spreadsheet with up to 7 years of data
Download as csvQuarterly reported holdings in Amphastar Pharmaceuticals by SummerHaven Investment Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2026-09-30 | $1.3M | 49k | 25.81 |
| 2026-06-30 | $659k | 33k | 20.18 |
| 2026-03-31 | $639k | 33k | 19.59 |
| 2025-12-31 | $1.0M | 38k | 26.78 |
| 2025-09-30 | $1.0M | 38k | 26.65 |
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