AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 133 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2019. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,221,311 | +243.5% | 26,556 | +329.3% | 0.00% | +100.0% |
| Q2 2023 | $355,506 | -34.3% | 6,186 | -57.1% | 0.00% | 0.0% |
| Q1 2023 | $540,840 | -24.9% | 14,422 | -43.7% | 0.00% | -50.0% |
| Q3 2022 | $720,000 | -66.0% | 25,632 | -57.7% | 0.00% | -60.0% |
| Q2 2022 | $2,115,000 | +46.3% | 60,625 | +51.2% | 0.01% | +66.7% |
| Q1 2022 | $1,446,000 | +30.4% | 40,107 | -27.3% | 0.00% | 0.0% |
| Q4 2020 | $1,109,000 | -34.0% | 55,158 | -38.5% | 0.00% | -40.0% |
| Q3 2020 | $1,681,000 | +6.8% | 89,658 | +27.9% | 0.01% | 0.0% |
| Q2 2020 | $1,574,000 | +43.2% | 70,094 | -5.3% | 0.01% | +25.0% |
| Q1 2020 | $1,099,000 | -30.4% | 74,049 | -9.5% | 0.00% | -20.0% |
| Q4 2019 | $1,578,000 | -5.8% | 81,823 | -3.1% | 0.01% | +25.0% |
| Q3 2019 | $1,675,000 | -6.1% | 84,483 | 0.0% | 0.00% | -33.3% |
| Q2 2019 | $1,783,000 | +40.1% | 84,483 | +35.6% | 0.01% | +50.0% |
| Q1 2019 | $1,273,000 | -35.4% | 62,295 | -38.5% | 0.00% | -42.9% |
| Q4 2018 | $1,972,000 | +50.9% | 101,341 | +49.2% | 0.01% | +40.0% |
| Q3 2018 | $1,307,000 | +26.0% | 67,934 | 0.0% | 0.01% | +25.0% |
| Q2 2018 | $1,037,000 | -14.5% | 67,934 | +4.9% | 0.00% | -20.0% |
| Q1 2018 | $1,213,000 | -6.1% | 64,741 | -3.6% | 0.01% | +25.0% |
| Q4 2017 | $1,292,000 | +0.1% | 67,175 | -7.0% | 0.00% | -20.0% |
| Q3 2017 | $1,291,000 | +0.1% | 72,251 | 0.0% | 0.01% | 0.0% |
| Q2 2017 | $1,290,000 | -13.7% | 72,251 | -29.9% | 0.01% | -28.6% |
| Q1 2017 | $1,495,000 | +14850.0% | 103,074 | +20071.0% | 0.01% | – |
| Q4 2016 | $10,000 | +25.0% | 511 | +27.8% | 0.00% | – |
| Q3 2016 | $8,000 | – | 400 | – | 0.00% | – |
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% |