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 | $941,277 | -20.0% | 20,467 | 0.0% | 0.01% | -22.2% |
| Q2 2023 | $1,176,238 | +53.3% | 20,467 | 0.0% | 0.01% | +50.0% |
| Q1 2023 | $767,513 | +33.8% | 20,467 | 0.0% | 0.01% | +20.0% |
| Q4 2022 | $573,485 | -0.3% | 20,467 | 0.0% | 0.01% | 0.0% |
| Q3 2022 | $575,123 | -19.2% | 20,467 | 0.0% | 0.01% | -16.7% |
| Q2 2022 | $712,047 | -3.1% | 20,467 | 0.0% | 0.01% | +20.0% |
| Q1 2022 | $734,765 | +167.3% | 20,467 | +73.4% | 0.01% | +150.0% |
| Q4 2021 | $274,892 | +22.5% | 11,803 | 0.0% | 0.00% | 0.0% |
| Q3 2021 | $224,375 | -5.7% | 11,803 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $237,948 | +10.0% | 11,803 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $216,231 | -40.9% | 11,803 | -35.2% | 0.00% | -50.0% |
| Q4 2020 | $366,103 | +7.3% | 18,205 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $341,344 | -16.5% | 18,205 | 0.0% | 0.00% | -20.0% |
| Q2 2020 | $408,884 | +51.3% | 18,205 | 0.0% | 0.01% | +25.0% |
| Q1 2020 | $270,162 | -23.1% | 18,205 | 0.0% | 0.00% | 0.0% |
| Q4 2019 | $351,174 | -2.7% | 18,205 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $361,005 | -6.1% | 18,205 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $384,308 | +3.3% | 18,205 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $371,928 | +2.7% | 18,205 | 0.0% | 0.00% | -20.0% |
| Q4 2018 | $362,280 | +3.4% | 18,205 | 0.0% | 0.01% | +25.0% |
| Q3 2018 | $350,264 | +26.0% | 18,205 | 0.0% | 0.00% | +33.3% |
| Q2 2018 | $278,000 | -18.5% | 18,205 | 0.0% | 0.00% | -25.0% |
| Q1 2018 | $341,000 | -2.6% | 18,205 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $350,000 | – | 18,205 | – | 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% |