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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $385,616 | -37.0% | 8,385 | -21.3% | 0.00% | 0.0% |
| Q2 2023 | $612,182 | +836.1% | 10,656 | +511.0% | 0.00% | – |
| Q1 2023 | $65,399 | +39.1% | 1,744 | +2.5% | 0.00% | – |
| Q4 2022 | $47,000 | -6.0% | 1,702 | -5.5% | 0.00% | – |
| Q3 2022 | $50,000 | -61.2% | 1,801 | -51.4% | 0.00% | – |
| Q2 2022 | $129,000 | -88.3% | 3,708 | -87.6% | 0.00% | -100.0% |
| Q1 2022 | $1,103,000 | +1942.6% | 29,894 | +1193.6% | 0.00% | – |
| Q4 2021 | $54,000 | +390.9% | 2,311 | +314.2% | 0.00% | – |
| Q3 2021 | $11,000 | -31.2% | 558 | -29.7% | 0.00% | – |
| Q2 2021 | $16,000 | +1500.0% | 794 | +1664.4% | 0.00% | – |
| Q1 2021 | $1,000 | 0.0% | 45 | 0.0% | 0.00% | – |
| Q4 2020 | $1,000 | -90.0% | 45 | -90.8% | 0.00% | – |
| Q3 2020 | $10,000 | -28.6% | 490 | -23.7% | 0.00% | – |
| Q2 2020 | $14,000 | -12.5% | 642 | -40.3% | 0.00% | – |
| Q1 2020 | $16,000 | – | 1,075 | – | 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% |