AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 218 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2023. The put-call ratio across all filers is 0.26 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $459 | -10.0% | 11,481 | -1.2% | 0.00% | 0.0% |
| Q1 2024 | $510 | -49.6% | 11,618 | -28.9% | 0.00% | -50.0% |
| Q4 2023 | $1,011 | +29.9% | 16,344 | -3.4% | 0.01% | +14.3% |
| Q3 2023 | $778 | -21.7% | 16,922 | -2.1% | 0.01% | -12.5% |
| Q2 2023 | $993 | +53.7% | 17,279 | +0.3% | 0.01% | +33.3% |
| Q1 2023 | $646 | +25.2% | 17,221 | -6.5% | 0.01% | +20.0% |
| Q4 2022 | $516 | -99.9% | 18,409 | -0.9% | 0.01% | 0.0% |
| Q3 2022 | $522,000 | -17.5% | 18,577 | +2.0% | 0.01% | -16.7% |
| Q2 2022 | $633,000 | +4.3% | 18,206 | +7.7% | 0.01% | +20.0% |
| Q1 2022 | $607,000 | -27.4% | 16,909 | -52.9% | 0.01% | +66.7% |
| Q4 2021 | $836,000 | +148.1% | 35,866 | +102.4% | 0.00% | 0.0% |
| Q3 2021 | $337,000 | -7.2% | 17,720 | -1.6% | 0.00% | 0.0% |
| Q2 2021 | $363,000 | – | 18,011 | – | 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% |