AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 168 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q4 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $760,813 | +17.0% | 16,543 | -28.7% | 0.10% | +28.9% |
| Q4 2022 | $650,428 | -46.7% | 23,213 | -46.6% | 0.08% | -20.0% |
| Q3 2022 | $1,221,000 | -46.9% | 43,450 | -34.3% | 0.10% | -49.7% |
| Q2 2022 | $2,300,000 | +158.1% | 66,113 | +166.4% | 0.19% | +152.0% |
| Q1 2022 | $891,000 | +83.0% | 24,813 | +18.8% | 0.08% | +74.4% |
| Q4 2021 | $487,000 | +3.2% | 20,891 | -15.9% | 0.04% | -24.6% |
| Q3 2021 | $472,000 | +68.6% | 24,850 | +78.6% | 0.06% | +32.6% |
| Q2 2021 | $280,000 | – | 13,910 | – | 0.04% | – |
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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% |