AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 204 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2022. The put-call ratio across all filers is 16.41 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $774 | -73.8% | 16,820 | -67.3% | 0.04% | -72.1% |
| Q2 2023 | $2,953 | +159.7% | 51,380 | +69.5% | 0.13% | +138.9% |
| Q1 2023 | $1,137 | +369.8% | 30,320 | +250.4% | 0.05% | +315.4% |
| Q4 2022 | $242 | -100.0% | 8,653 | -75.6% | 0.01% | -78.3% |
| Q3 2022 | $998,000 | -6.6% | 35,523 | +15.6% | 0.06% | -25.0% |
| Q2 2022 | $1,069,000 | +109.2% | 30,733 | +115.8% | 0.08% | +142.4% |
| Q1 2022 | $511,000 | -15.3% | 14,243 | -55.2% | 0.03% | -81.0% |
| Q3 2016 | $603,000 | – | 31,761 | – | 0.17% | – |
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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% |