AMPHASTAR PHARMACEUTICALS INC COM's ticker is and the CUSIP is 001297184. A total of 1 filers reported holding AMPHASTAR PHARMACEUTICALS INC COM in Q1 2022. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $3,378,000 | – | 648 | – | 0.10% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Financial Gravity Asset Management, Inc. | 648 | $3,378,000 | 0.10% |