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 | ||||
|---|---|---|---|---|---|---|
| Q1 2024 | $444 | +27.2% | 10,579 | +87.5% | 0.01% | -37.5% |
| Q4 2023 | $349 | +3.3% | 5,642 | -23.1% | 0.02% | +14.3% |
| Q3 2023 | $338 | -46.7% | 7,339 | -33.5% | 0.01% | -44.0% |
| Q2 2023 | $634 | +52.4% | 11,035 | -0.6% | 0.02% | +47.1% |
| Q1 2023 | $416 | +33.3% | 11,098 | -0.4% | 0.02% | +21.4% |
| Q4 2022 | $312 | -99.9% | 11,137 | -16.9% | 0.01% | -6.7% |
| Q3 2022 | $376,000 | -36.1% | 13,398 | -20.8% | 0.02% | -11.8% |
| Q2 2022 | $588,000 | -49.4% | 16,908 | -47.8% | 0.02% | -37.0% |
| Q1 2022 | $1,163,000 | +34.3% | 32,403 | -12.9% | 0.03% | +50.0% |
| Q4 2021 | $866,000 | +23.0% | 37,199 | +0.5% | 0.02% | +12.5% |
| Q3 2021 | $704,000 | -9.6% | 37,022 | -4.1% | 0.02% | +6.7% |
| Q2 2021 | $779,000 | +16.4% | 38,622 | +5.7% | 0.02% | +15.4% |
| Q1 2021 | $669,000 | +89.0% | 36,532 | +107.3% | 0.01% | +85.7% |
| Q4 2020 | $354,000 | +7.3% | 17,624 | 0.0% | 0.01% | -12.5% |
| Q3 2020 | $330,000 | +3.4% | 17,624 | +24.2% | 0.01% | 0.0% |
| Q2 2020 | $319,000 | – | 14,187 | – | 0.01% | – |
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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% |