Advisor OS, LLC
- SEC CIK
- 0001767580
- Latest filing
- Aug 5, 2026
AMPH holding history
Amphastar Pharmaceuticals, Inc. in every 13F filed by Advisor OS, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
AMPH overviewAll 13F holders of AMPHFull Q2 2026 holdings
- Shares (Q2 2026)
- 25,405
- Value
- $512.7K
- % of portfolio
- <0.1%
- Quarters held
- 10
- Since Q1 2024
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 25,405 | $512.7K | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2026 | 25,405 | $497.7K | <0.1% | 00.0% | Unchanged | Holders |
| Q4 2025 | 25,405 | $680.3K | 0.1% | 00.0% | Unchanged | Holders |
| Q3 2025 | 25,405 | $677.0K | 0.1% | 00.0% | Unchanged | Holders |
| Q2 2025 | 25,405 | $583.3K | 0.1% | 00.0% | Unchanged | Holders |
| Q1 2025 | 25,405 | $736.5K | 0.1% | 00.0% | Unchanged | Holders |
| Q4 2024 | 25,405 | $943.3K | 0.1% | −628−2.4% | Reduced | Holders |
| Q3 2024 | 26,033 | $1.26M | 0.1% | +21+0.1% | Added | Holders |
| Q2 2024 | 26,012 | $1.04M | 0.1% | −927−3.4% | Reduced | Holders |
| Q1 2024 | 26,939 | $1.18M | 0.1% | +26,939 | New | Holders |