AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 241 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2023. The put-call ratio across all filers is 0.69 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $35,550 | -42.8% | 773 | -28.5% | 0.00% | – |
| Q2 2023 | $62,125 | -50.7% | 1,081 | -67.8% | 0.00% | – |
| Q1 2023 | $125,926 | +36.2% | 3,358 | +1.8% | 0.00% | – |
| Q4 2022 | $92,466 | +32.1% | 3,300 | +32.4% | 0.00% | – |
| Q3 2022 | $70,000 | 0.0% | 2,492 | +23.2% | 0.00% | – |
| Q2 2022 | $70,000 | +42.9% | 2,023 | +49.5% | 0.00% | – |
| Q1 2022 | $49,000 | +58.1% | 1,353 | +3.3% | 0.00% | – |
| Q4 2021 | $31,000 | +40.9% | 1,310 | +12.8% | 0.00% | – |
| Q3 2021 | $22,000 | -4.3% | 1,161 | 0.0% | 0.00% | – |
| Q2 2021 | $23,000 | +9.5% | 1,161 | 0.0% | 0.00% | – |
| Q1 2021 | $21,000 | -12.5% | 1,161 | -2.6% | 0.00% | – |
| Q4 2020 | $24,000 | +4.3% | 1,192 | 0.0% | 0.00% | – |
| Q3 2020 | $23,000 | -68.9% | 1,192 | -63.8% | 0.00% | – |
| Q2 2020 | $74,000 | +335.3% | 3,294 | +183.7% | 0.00% | – |
| Q1 2020 | $17,000 | -37.0% | 1,161 | -17.0% | 0.00% | – |
| Q4 2019 | $27,000 | +800.0% | 1,398 | +898.6% | 0.00% | – |
| Q1 2019 | $3,000 | -98.1% | 140 | -98.5% | 0.00% | -100.0% |
| Q2 2015 | $159,000 | +12.8% | 9,055 | -3.6% | 0.00% | 0.0% |
| Q1 2015 | $141,000 | +20.5% | 9,395 | -6.6% | 0.00% | – |
| Q4 2014 | $117,000 | – | 10,060 | – | 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% |