AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 109 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $430,007 | +20.3% | 9,350 | +50.4% | 0.02% | +26.3% |
| Q2 2023 | $357,348 | +67.0% | 6,218 | +4.3% | 0.02% | +111.1% |
| Q1 2022 | $214,000 | -19.2% | 5,963 | -55.2% | 0.01% | -43.8% |
| Q4 2018 | $265,000 | -29.0% | 13,312 | -31.3% | 0.02% | +14.3% |
| Q3 2018 | $373,000 | – | 19,371 | – | 0.01% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EAM Investors, LLC | 173,018 | $3,187,000 | 0.42% |
| GLOBEFLEX CAPITAL L P | 50,686 | $934,000 | 0.23% |
| KALMAR INVESTMENTS INC /DE/ | 240,648 | $4,433,000 | 0.23% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 63,661 | $1,173,000 | 0.19% |
| OBERWEIS ASSET MANAGEMENT INC/ | 27,200 | $501,000 | 0.15% |
| Invictus RG | 11,950 | $220,000 | 0.15% |
| ACADIAN ASSET MANAGEMENT LLC | 1,502,151 | $27,668,000 | 0.13% |
| FOX RUN MANAGEMENT, L.L.C. | 12,600 | $232,000 | 0.12% |
| Piermont Capital Management Inc. | 26,153 | $482,000 | 0.11% |
| FEDERATED HERMES, INC. | 1,344,684 | $24,769,000 | 0.07% |