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 | $2,629 | +10.9% | 65,727 | +21.7% | 0.00% | 0.0% |
| Q1 2024 | $2,371 | -28.6% | 53,989 | +0.6% | 0.00% | -40.0% |
| Q4 2023 | $3,321 | +49.4% | 53,688 | +11.1% | 0.01% | +66.7% |
| Q3 2023 | $2,223 | -38.7% | 48,327 | -23.4% | 0.00% | -40.0% |
| Q2 2023 | $3,627 | +61.8% | 63,116 | +5.6% | 0.01% | +66.7% |
| Q1 2023 | $2,242 | +180.6% | 59,786 | +109.5% | 0.00% | +200.0% |
| Q4 2022 | $799 | -99.9% | 28,533 | +6.7% | 0.00% | 0.0% |
| Q3 2022 | $752,000 | -18.8% | 26,746 | +0.5% | 0.00% | 0.0% |
| Q2 2022 | $926,000 | -2.3% | 26,604 | +0.8% | 0.00% | 0.0% |
| Q1 2022 | $948,000 | +52.4% | 26,400 | -1.1% | 0.00% | 0.0% |
| Q4 2021 | $622,000 | +22.2% | 26,704 | -0.4% | 0.00% | 0.0% |
| Q3 2021 | $509,000 | -22.1% | 26,798 | -17.3% | 0.00% | 0.0% |
| Q2 2021 | $653,000 | +11.1% | 32,404 | +0.9% | 0.00% | 0.0% |
| Q1 2021 | $588,000 | -9.0% | 32,100 | 0.0% | 0.00% | 0.0% |
| Q4 2020 | $646,000 | +7.3% | 32,100 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $602,000 | -16.5% | 32,100 | 0.0% | 0.00% | 0.0% |
| Q2 2020 | $721,000 | +51.5% | 32,100 | 0.0% | 0.00% | 0.0% |
| Q1 2020 | $476,000 | -23.1% | 32,100 | 0.0% | 0.00% | 0.0% |
| Q4 2019 | $619,000 | -17.7% | 32,100 | -15.3% | 0.00% | 0.0% |
| Q3 2019 | $752,000 | -30.4% | 37,900 | -26.0% | 0.00% | 0.0% |
| Q2 2019 | $1,081,000 | +3.3% | 51,189 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $1,046,000 | +9.1% | 51,189 | +6.2% | 0.00% | 0.0% |
| Q4 2018 | $959,000 | +31.6% | 48,186 | +27.1% | 0.00% | 0.0% |
| Q3 2018 | $729,000 | +11.8% | 37,900 | -11.3% | 0.00% | 0.0% |
| Q2 2018 | $652,000 | -18.6% | 42,720 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $801,000 | -2.6% | 42,720 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $822,000 | +7.7% | 42,720 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $763,000 | 0.0% | 42,720 | 0.0% | 0.00% | 0.0% |
| Q2 2017 | $763,000 | +23.3% | 42,720 | -0.0% | 0.00% | 0.0% |
| Q1 2017 | $619,000 | -20.6% | 42,721 | +0.9% | 0.00% | 0.0% |
| Q4 2016 | $780,000 | -2.9% | 42,320 | 0.0% | 0.00% | 0.0% |
| Q3 2016 | $803,000 | +52.7% | 42,320 | +29.8% | 0.00% | 0.0% |
| Q2 2016 | $526,000 | +34.5% | 32,600 | 0.0% | 0.00% | 0.0% |
| Q1 2016 | $391,000 | -15.7% | 32,600 | 0.0% | 0.00% | 0.0% |
| Q4 2015 | $464,000 | +21.8% | 32,600 | 0.0% | 0.00% | 0.0% |
| Q3 2015 | $381,000 | -11.2% | 32,600 | +33.7% | 0.00% | 0.0% |
| Q2 2015 | $429,000 | – | 24,381 | – | 0.00% | – |
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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% |