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 | $23,357 | -9.0% | 583,906 | -0.1% | 0.00% | 0.0% |
| Q1 2024 | $25,668 | -29.3% | 584,544 | -0.4% | 0.00% | -40.0% |
| Q4 2023 | $36,304 | +38.6% | 586,957 | +3.0% | 0.01% | +25.0% |
| Q3 2023 | $26,202 | -10.0% | 569,712 | +12.5% | 0.00% | 0.0% |
| Q2 2023 | $29,098 | +65.6% | 506,308 | +8.1% | 0.00% | +33.3% |
| Q1 2023 | $17,567 | -20.6% | 468,420 | -40.6% | 0.00% | -25.0% |
| Q4 2022 | $22,112 | -99.9% | 789,170 | -2.4% | 0.00% | 0.0% |
| Q3 2022 | $22,727,000 | +301.3% | 808,731 | +396.7% | 0.00% | +300.0% |
| Q2 2022 | $5,664,000 | – | 162,814 | – | 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% |