Simplex Trading, LLC
- SEC CIK
- 0001488542
- Latest filing
- Aug 12, 2026
AMPH holding history
Amphastar Pharmaceuticals, Inc. in every 13F filed by Simplex Trading, 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)
- 0
- Sold out in Q2 2026
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 9
- Since Q2 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 0 | $0 | 0.0% | −262−100.0% | Sold out | Holders |
| Q1 2026 | 262 | $5.13K | <0.1% | +262 | New | Holders |
| Q4 2025 | 0 | $0 | 0.0% | −274−100.0% | Sold out | Holders |
| Q3 2025 | 274 | $7.00K | <0.1% | −1,105−80.1% | Reduced | Holders |
| Q2 2025 | 1,379 | $31.0K | <0.1% | +1,379 | New | Holders |
| Q1 2025 | 0 | $0 | 0.0% | −548−100.0% | Sold out | Holders |
| Q4 2024 | 548 | $20.0K | <0.1% | +548 | New | Holders |
| Q3 2024 | 0 | $0 | 0.0% | −815−100.0% | Sold out | Holders |
| Q2 2024 | 815 | $32.0K | <0.1% | +815 | New | Holders |
| Q3 2023 | 0 | $0 | 0.0% | −196−100.0% | Sold out | Holders |
| Q2 2023 | 196 | $11.0K | <0.1% | +196 | New | Holders |
| Q1 2023 | 0 | $0 | 0.0% | −279−100.0% | Sold out | Holders |
| Q4 2022 | 279 | $7.00K | <0.1% | +279 | New | Holders |
| Q4 2021 | 0 | $0 | 0.0% | −800−100.0% | Sold out | Holders |
| Q3 2021 | 800 | $16.0K | <0.1% | 00.0% | Unchanged | Holders |
| Q2 2021 | 800 | $16.0K | <0.1% | +800 | New | Holders |