AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 130 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $173,612 | -1.7% | 3,775 | +22.8% | 0.01% | 0.0% |
| Q2 2023 | $176,605 | +53.3% | 3,073 | 0.0% | 0.01% | +40.0% |
| Q1 2023 | $115,238 | +23.4% | 3,073 | 0.0% | 0.01% | +25.0% |
| Q4 2022 | $93,358 | +8.6% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q3 2022 | $86,000 | -18.9% | 3,073 | 0.0% | 0.00% | -20.0% |
| Q2 2022 | $106,000 | -3.6% | 3,073 | 0.0% | 0.01% | +25.0% |
| Q1 2022 | $110,000 | +52.8% | 3,073 | 0.0% | 0.00% | +100.0% |
| Q4 2021 | $72,000 | +24.1% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q3 2021 | $58,000 | -6.5% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $62,000 | +10.7% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $56,000 | -9.7% | 3,073 | 0.0% | 0.00% | -33.3% |
| Q4 2020 | $62,000 | +6.9% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $58,000 | -15.9% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q2 2020 | $69,000 | +50.0% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q1 2020 | $46,000 | -22.0% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q4 2019 | $59,000 | -3.3% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $61,000 | -6.2% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $65,000 | +3.2% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $63,000 | +3.3% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q4 2018 | $61,000 | +3.4% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $59,000 | +25.5% | 3,073 | 0.0% | 0.00% | +50.0% |
| Q2 2018 | $47,000 | -19.0% | 3,073 | 0.0% | 0.00% | -33.3% |
| Q1 2018 | $58,000 | -1.7% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $59,000 | +20.4% | 3,073 | 0.0% | 0.00% | +50.0% |
| Q3 2017 | $49,000 | -10.9% | 3,073 | 0.0% | 0.00% | -33.3% |
| Q2 2017 | $55,000 | +22.2% | 3,073 | 0.0% | 0.00% | +50.0% |
| Q1 2017 | $45,000 | – | 3,073 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| LAM GROUP, INC. | 130,250 | $3,649,605 | 3.75% |
| SHAKER INVESTMENTS LLC/OH | 81,287 | $2,277,662 | 1.41% |
| Mesirow Institutional Investment Management, Inc. | 374,414 | $10,491,080 | 1.38% |
| OBERWEIS ASSET MANAGEMENT INC/ | 134,000 | $3,754,680 | 0.80% |
| Portolan Capital Management | 270,791 | $7,587,564 | 0.75% |
| Hillsdale Investment Management Inc. | 172,238 | $4,826,109 | 0.41% |
| Capital Impact Advisors, LLC | 14,669 | $411,025 | 0.40% |
| Watershed Asset Management, L.L.C. | 9,555 | $267,731 | 0.34% |
| Quantedge Capital Pte Ltd | 35,153 | $984,987 | 0.33% |
| FEDERATED HERMES, INC. | 3,284,217 | $92,023,760 | 0.25% |