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 | $470,000 | +71.8% | 11,750 | +88.6% | 0.00% | +50.0% |
| Q1 2024 | $273,515 | -40.5% | 6,229 | -62.0% | 0.00% | -50.0% |
| Q4 2022 | $459,472 | -50.3% | 16,398 | -50.2% | 0.00% | -50.0% |
| Q3 2022 | $924,000 | +241.0% | 32,900 | +321.8% | 0.01% | +166.7% |
| Q2 2022 | $271,000 | -66.4% | 7,800 | -65.3% | 0.00% | -57.1% |
| Q1 2022 | $807,000 | -40.4% | 22,500 | -67.9% | 0.01% | -78.8% |
| Q4 2019 | $1,354,000 | +278.2% | 70,179 | +312.8% | 0.03% | +153.8% |
| Q2 2019 | $358,000 | -59.7% | 17,000 | -60.9% | 0.01% | -58.1% |
| Q1 2019 | $888,000 | +88.9% | 43,500 | +70.2% | 0.03% | -49.2% |
| Q4 2016 | $470,000 | – | 25,561 | – | 0.06% | – |
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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% |