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 2022 | $351,000 | -19.3% | 12,500 | 0.0% | 0.02% | -18.5% |
| Q2 2022 | $435,000 | -3.1% | 12,500 | 0.0% | 0.03% | +42.1% |
| Q1 2022 | $449,000 | +54.3% | 12,500 | 0.0% | 0.02% | +90.0% |
| Q4 2021 | $291,000 | +22.3% | 12,500 | 0.0% | 0.01% | +11.1% |
| Q3 2021 | $238,000 | -5.6% | 12,500 | 0.0% | 0.01% | -10.0% |
| Q2 2021 | $252,000 | +10.0% | 12,500 | 0.0% | 0.01% | 0.0% |
| Q1 2021 | $229,000 | -8.8% | 12,500 | 0.0% | 0.01% | -9.1% |
| Q4 2020 | $251,000 | -10.7% | 12,500 | -16.7% | 0.01% | -21.4% |
| Q3 2020 | $281,000 | -16.6% | 15,000 | 0.0% | 0.01% | -26.3% |
| Q2 2020 | $337,000 | +51.1% | 15,000 | 0.0% | 0.02% | 0.0% |
| Q1 2020 | $223,000 | -22.8% | 15,000 | 0.0% | 0.02% | +35.7% |
| Q4 2019 | $289,000 | -2.7% | 15,000 | 0.0% | 0.01% | -17.6% |
| Q3 2019 | $297,000 | -6.3% | 15,000 | 0.0% | 0.02% | 0.0% |
| Q2 2019 | $317,000 | +3.6% | 15,000 | 0.0% | 0.02% | 0.0% |
| Q1 2019 | $306,000 | +2.3% | 15,000 | 0.0% | 0.02% | -26.1% |
| Q4 2018 | $299,000 | +3.5% | 15,000 | 0.0% | 0.02% | +64.3% |
| Q3 2018 | $289,000 | +26.2% | 15,000 | 0.0% | 0.01% | +16.7% |
| Q2 2018 | $229,000 | -18.5% | 15,000 | 0.0% | 0.01% | -20.0% |
| Q1 2018 | $281,000 | -2.8% | 15,000 | 0.0% | 0.02% | 0.0% |
| Q4 2017 | $289,000 | +7.8% | 15,000 | 0.0% | 0.02% | 0.0% |
| Q3 2017 | $268,000 | 0.0% | 15,000 | 0.0% | 0.02% | -6.2% |
| Q2 2017 | $268,000 | -7.6% | 15,000 | -25.0% | 0.02% | -5.9% |
| Q1 2017 | $290,000 | -21.2% | 20,000 | 0.0% | 0.02% | -29.2% |
| Q4 2016 | $368,000 | -2.9% | 20,000 | 0.0% | 0.02% | -4.0% |
| Q3 2016 | $379,000 | +17.7% | 20,000 | 0.0% | 0.02% | 0.0% |
| Q2 2016 | $322,000 | – | 20,000 | – | 0.02% | – |
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% |