AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 134 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2019. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $2,367,887 | -19.5% | 51,487 | +0.6% | 0.00% | -33.3% |
| Q2 2023 | $2,941,602 | +35.3% | 51,185 | -11.7% | 0.00% | +50.0% |
| Q1 2023 | $2,173,350 | +39.2% | 57,956 | +4.0% | 0.00% | 0.0% |
| Q4 2022 | $1,560,994 | +42.7% | 55,710 | +43.1% | 0.00% | +100.0% |
| Q3 2022 | $1,094,000 | -11.1% | 38,929 | +10.0% | 0.00% | 0.0% |
| Q2 2022 | $1,231,000 | -17.4% | 35,398 | -14.8% | 0.00% | 0.0% |
| Q1 2022 | $1,490,000 | +77.4% | 41,535 | +15.2% | 0.00% | – |
| Q4 2021 | $840,000 | +27.5% | 36,070 | +4.0% | 0.00% | – |
| Q3 2021 | $659,000 | -16.3% | 34,667 | -11.3% | 0.00% | – |
| Q2 2021 | $787,000 | +3.6% | 39,074 | -5.8% | 0.00% | – |
| Q1 2021 | $760,000 | -25.3% | 41,501 | -17.8% | 0.00% | – |
| Q4 2020 | $1,017,000 | +41.4% | 50,511 | +31.5% | 0.00% | – |
| Q3 2020 | $719,000 | -20.2% | 38,402 | -4.3% | 0.00% | -100.0% |
| Q2 2020 | $901,000 | +77.0% | 40,119 | +16.9% | 0.00% | – |
| Q1 2020 | $509,000 | -31.1% | 34,315 | -10.5% | 0.00% | -100.0% |
| Q4 2019 | $739,000 | -4.3% | 38,342 | -1.6% | 0.00% | 0.0% |
| Q3 2019 | $772,000 | +23.1% | 38,978 | +31.4% | 0.00% | 0.0% |
| Q2 2019 | $627,000 | -19.6% | 29,672 | -22.2% | 0.00% | 0.0% |
| Q1 2019 | $780,000 | -18.2% | 38,124 | -20.4% | 0.00% | 0.0% |
| Q4 2018 | $953,000 | +40.8% | 47,883 | +36.3% | 0.00% | 0.0% |
| Q3 2018 | $677,000 | -7.1% | 35,131 | -26.6% | 0.00% | 0.0% |
| Q2 2018 | $729,000 | -23.9% | 47,844 | -6.4% | 0.00% | 0.0% |
| Q1 2018 | $958,000 | +1.3% | 51,108 | +4.0% | 0.00% | 0.0% |
| Q4 2017 | $946,000 | +14.3% | 49,131 | +6.1% | 0.00% | 0.0% |
| Q3 2017 | $828,000 | +104.4% | 46,295 | +104.0% | 0.00% | – |
| Q2 2017 | $405,000 | -16.5% | 22,697 | -32.1% | 0.00% | – |
| Q1 2017 | $485,000 | -65.2% | 33,421 | -55.8% | 0.00% | -100.0% |
| Q4 2016 | $1,394,000 | -36.3% | 75,655 | -34.4% | 0.00% | -50.0% |
| Q3 2016 | $2,187,000 | +102.7% | 115,248 | +72.2% | 0.00% | +100.0% |
| Q2 2016 | $1,079,000 | +188.5% | 66,912 | +114.8% | 0.00% | – |
| Q1 2016 | $374,000 | -4.3% | 31,158 | +13.7% | 0.00% | – |
| Q4 2015 | $391,000 | -32.1% | 27,403 | -44.4% | 0.00% | -100.0% |
| Q3 2015 | $576,000 | -54.2% | 49,283 | -31.2% | 0.00% | 0.0% |
| Q2 2015 | $1,259,000 | +72.0% | 71,625 | +46.4% | 0.00% | 0.0% |
| Q1 2015 | $732,000 | +255.3% | 48,916 | +174.7% | 0.00% | – |
| Q4 2014 | $206,000 | – | 17,806 | – | 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% |