Back to AMPH
Polaris Capital Management, LLC → AMPH
Polaris Capital Management, LLC AMPH Position History
Amphastar Pharmaceuticals, Inc. • Healthcare
Quarters held
5
Latest value
$1.1M
Q3 2026
Peak value
$1.1M
First seen
Q3 2025
Dollar value over time
Show data table
| Period | Position value |
|---|---|
| Q3 2025 | $349K |
| Q4 2025 | $952K |
| Q1 2026 | $847K |
| Q2 2026 | $872K |
| Q3 2026 | $1.1M |
Quarter-by-quarter history
Every disclosed snapshot of the position
| Quarter | Value | Shares | % Portfolio | Change |
|---|---|---|---|---|
| Q3 2026 | $1.1M | 43.2K | — | — |
| Q2 2026 | $872K | 43.2K | — | — |
| Q1 2026 | $847K | 43.2K | — | — |
| Q4 2025 | $952K | 35.5K | — | — |
| Q3 2025 | $349K | 13.1K | — | — |
Other funds holding AMPH
$173.2M
$46.1M
$33.1M
$33.1M
$31.5M
$27.2M