AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 276 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q4 2023. The put-call ratio across all filers is 0.66 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $271,138 | -16.9% | 6,718 | -9.6% | 0.00% | – |
| Q1 2024 | $326,207 | -1.1% | 7,429 | +3.7% | 0.00% | – |
| Q3 2023 | $329,928 | +14.3% | 7,163 | -30.9% | 0.00% | – |
| Q4 2022 | $288,745 | +24.5% | 10,370 | +28.1% | 0.00% | – |
| Q3 2022 | $232,000 | -11.8% | 8,093 | +6.7% | 0.00% | – |
| Q2 2022 | $263,000 | -14.6% | 7,588 | -9.8% | 0.00% | – |
| Q1 2022 | $308,000 | -26.7% | 8,416 | -61.2% | 0.00% | – |
| Q3 2021 | $420,000 | -3.4% | 21,718 | 0.0% | 0.00% | – |
| Q2 2021 | $435,000 | +3.6% | 21,718 | -5.3% | 0.00% | – |
| Q1 2021 | $420,000 | -13.4% | 22,933 | -5.7% | 0.00% | -100.0% |
| Q4 2020 | $485,000 | +5.4% | 24,313 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $460,000 | -13.2% | 24,313 | +3.0% | 0.00% | 0.0% |
| Q2 2020 | $530,000 | +107.8% | 23,597 | +36.1% | 0.00% | 0.0% |
| Q1 2020 | $255,000 | +6.2% | 17,332 | +39.4% | 0.00% | – |
| Q4 2019 | $240,000 | -57.6% | 12,430 | -56.4% | 0.00% | -100.0% |
| Q3 2019 | $566,000 | – | 28,523 | – | 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% |