AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 206 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2022. The put-call ratio across all filers is 16.41 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $1,119 | -17.4% | 27,980 | -9.3% | 0.00% | -33.3% |
| Q1 2024 | $1,355 | -19.9% | 30,855 | +12.9% | 0.00% | -25.0% |
| Q4 2023 | $1,691 | +33.5% | 27,341 | -0.7% | 0.00% | +33.3% |
| Q3 2023 | $1,267 | -19.9% | 27,541 | +0.0% | 0.00% | -25.0% |
| Q2 2023 | $1,582 | +61.1% | 27,534 | +5.2% | 0.00% | +100.0% |
| Q1 2023 | $982 | +23.5% | 26,174 | -7.8% | 0.00% | 0.0% |
| Q4 2022 | $795 | -99.9% | 28,387 | 0.0% | 0.00% | 0.0% |
| Q3 2022 | $798,000 | -18.6% | 28,387 | +0.8% | 0.00% | 0.0% |
| Q2 2022 | $980,000 | +27.3% | 28,161 | +31.2% | 0.00% | 0.0% |
| Q1 2022 | $770,000 | +61.8% | 21,459 | +5.1% | 0.00% | +100.0% |
| Q4 2021 | $476,000 | +23.3% | 20,427 | +0.5% | 0.00% | 0.0% |
| Q3 2021 | $386,000 | -5.9% | 20,327 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $410,000 | +9.6% | 20,327 | -0.5% | 0.00% | 0.0% |
| Q1 2021 | $374,000 | -14.4% | 20,427 | -6.0% | 0.00% | 0.0% |
| Q4 2020 | $437,000 | +7.4% | 21,727 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $407,000 | -22.6% | 21,727 | -7.3% | 0.00% | 0.0% |
| Q2 2020 | $526,000 | +51.1% | 23,427 | 0.0% | 0.00% | 0.0% |
| Q1 2020 | $348,000 | -23.0% | 23,427 | 0.0% | 0.00% | 0.0% |
| Q4 2019 | $452,000 | +56.4% | 23,427 | +60.5% | 0.00% | 0.0% |
| Q3 2019 | $289,000 | -6.2% | 14,596 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $308,000 | +3.4% | 14,596 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $298,000 | +2.8% | 14,596 | 0.0% | 0.00% | 0.0% |
| Q4 2018 | $290,000 | +3.2% | 14,596 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $281,000 | +26.0% | 14,596 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $223,000 | -18.6% | 14,596 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $274,000 | -2.5% | 14,596 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $281,000 | +7.7% | 14,596 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $261,000 | 0.0% | 14,596 | 0.0% | 0.00% | 0.0% |
| Q2 2017 | $261,000 | -9.4% | 14,596 | -26.6% | 0.00% | 0.0% |
| Q1 2017 | $288,000 | -21.3% | 19,896 | 0.0% | 0.00% | 0.0% |
| Q4 2016 | $366,000 | +38.6% | 19,896 | +43.2% | 0.00% | 0.0% |
| Q3 2016 | $264,000 | – | 13,896 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| MQS Management LLC | 10,935 | $255,000 | 0.41% |
| GLOBEFLEX CAPITAL L P | 144,692 | $3,370,000 | 0.34% |
| CORNERCAP INVESTMENT COUNSEL INC | 58,975 | $1,374,000 | 0.20% |
| Factorial Partners, LLC | 10,900 | $254,000 | 0.17% |
| FEDERATED HERMES, INC. | 3,464,335 | $80,684,000 | 0.15% |
| Campbell & CO Investment Adviser LLC | 14,800 | $345,000 | 0.12% |
| FULLER & THALER ASSET MANAGEMENT, INC. | 611,462 | $14,241,000 | 0.08% |
| Summit Global Investments | 45,900 | $1,069,000 | 0.07% |
| RENAISSANCE GROUP LLC | 63,559 | $1,480,000 | 0.06% |
| PDT Partners, LLC | 33,459 | $779,000 | 0.06% |