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 | $1,667 | +46.2% | 36,238 | +82.6% | 0.11% | +48.0% |
| Q2 2023 | $1,140 | -18.5% | 19,844 | -46.8% | 0.08% | -30.6% |
| Q1 2023 | $1,399 | +69.2% | 37,300 | +26.4% | 0.11% | +54.3% |
| Q4 2022 | $827 | -99.9% | 29,500 | +46.8% | 0.07% | +34.6% |
| Q3 2022 | $565,000 | -69.5% | 20,100 | -62.2% | 0.05% | -68.1% |
| Q2 2022 | $1,851,000 | +15.3% | 53,214 | +19.0% | 0.16% | +38.1% |
| Q1 2022 | $1,605,000 | +50.1% | 44,700 | -2.6% | 0.12% | +71.0% |
| Q4 2021 | $1,069,000 | -7.0% | 45,900 | -24.1% | 0.07% | -19.8% |
| Q3 2021 | $1,150,000 | +20.3% | 60,500 | +27.6% | 0.09% | +50.9% |
| Q2 2021 | $956,000 | +9.8% | 47,400 | -0.3% | 0.06% | +1.8% |
| Q1 2021 | $871,000 | -30.5% | 47,546 | -23.8% | 0.06% | -55.2% |
| Q4 2020 | $1,254,000 | +6.2% | 62,379 | -1.0% | 0.12% | +2.5% |
| Q3 2020 | $1,181,000 | -15.8% | 62,992 | +0.9% | 0.12% | -24.7% |
| Q2 2020 | $1,402,000 | +61.1% | 62,440 | +6.5% | 0.16% | +27.6% |
| Q1 2020 | $870,000 | -8.0% | 58,640 | +19.6% | 0.13% | +23.3% |
| Q4 2019 | $946,000 | +11.7% | 49,040 | +14.8% | 0.10% | +5.1% |
| Q3 2019 | $847,000 | – | 42,725 | – | 0.10% | – |
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% |