AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 167 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 | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $14,213 | +33.8% | 379 | 0.0% | 0.00% | +100.0% |
| Q4 2022 | $10,620 | -3.5% | 379 | 0.0% | 0.00% | -50.0% |
| Q3 2022 | $11,000 | -35.3% | 379 | -20.9% | 0.00% | -33.3% |
| Q2 2022 | $17,000 | +6.2% | 479 | +10.9% | 0.00% | +50.0% |
| Q1 2022 | $16,000 | +77.8% | 432 | +14.0% | 0.00% | +100.0% |
| Q4 2021 | $9,000 | +28.6% | 379 | 0.0% | 0.00% | 0.0% |
| Q3 2021 | $7,000 | -12.5% | 379 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $8,000 | +14.3% | 379 | 0.0% | 0.00% | -66.7% |
| Q1 2021 | $7,000 | +75.0% | 379 | +96.4% | 0.00% | +50.0% |
| Q3 2019 | $4,000 | -33.3% | 193 | -29.0% | 0.00% | -33.3% |
| Q2 2019 | $6,000 | 0.0% | 272 | -12.8% | 0.00% | 0.0% |
| Q1 2019 | $6,000 | -14.3% | 312 | -6.6% | 0.00% | 0.0% |
| Q4 2018 | $7,000 | 0.0% | 334 | -3.5% | 0.00% | 0.0% |
| Q3 2018 | $7,000 | +75.0% | 346 | +20.6% | 0.00% | +50.0% |
| Q2 2018 | $4,000 | – | 287 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Campbell & CO Investment Adviser LLC | 11,961 | $219,000 | 0.13% |
| FEDERATED HERMES, INC. | 3,441,367 | $63,046,000 | 0.12% |
| CORNERCAP INVESTMENT COUNSEL INC | 54,751 | $1,003,000 | 0.11% |
| GSA CAPITAL PARTNERS LLP | 34,425 | $631,000 | 0.10% |
| First Trust Direct Indexing L.P. | 11,913 | $218,000 | 0.06% |
| Summit Global Investments | 47,546 | $871,000 | 0.06% |
| WINTON GROUP Ltd | 49,766 | $912,000 | 0.05% |
| FULLER & THALER ASSET MANAGEMENT, INC. | 397,950 | $7,290,000 | 0.05% |
| AIGEN INVESTMENT MANAGEMENT, LP | 16,077 | $295,000 | 0.04% |
| EXCHANGE TRADED CONCEPTS, LLC | 52,334 | $959,000 | 0.04% |