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 | $4,211,304 | -33.5% | 91,570 | -16.9% | 0.05% | -27.8% |
| Q2 2023 | $6,332,389 | +52.0% | 110,186 | -0.8% | 0.07% | +44.0% |
| Q1 2023 | $4,167,113 | +28.2% | 111,123 | -4.2% | 0.05% | +25.0% |
| Q4 2022 | $3,251,077 | +39.0% | 116,027 | +39.4% | 0.04% | +25.0% |
| Q3 2022 | $2,339,000 | +963.2% | 83,250 | +1218.5% | 0.03% | +966.7% |
| Q2 2022 | $220,000 | +15.2% | 6,314 | +18.9% | 0.00% | +50.0% |
| Q1 2022 | $191,000 | +63.2% | 5,309 | +5.5% | 0.00% | +100.0% |
| Q4 2021 | $117,000 | +24.5% | 5,034 | +2.1% | 0.00% | 0.0% |
| Q3 2021 | $94,000 | -10.5% | 4,931 | -5.4% | 0.00% | 0.0% |
| Q2 2021 | $105,000 | +18.0% | 5,215 | +6.8% | 0.00% | 0.0% |
| Q1 2021 | $89,000 | -3.3% | 4,885 | +6.9% | 0.00% | 0.0% |
| Q4 2020 | $92,000 | +10.8% | 4,570 | +3.8% | 0.00% | 0.0% |
| Q3 2020 | $83,000 | +124.3% | 4,401 | +168.2% | 0.00% | 0.0% |
| Q2 2020 | $37,000 | +68.2% | 1,641 | +8.9% | 0.00% | – |
| Q1 2020 | $22,000 | -8.3% | 1,507 | +22.7% | 0.00% | – |
| Q4 2019 | $24,000 | -4.0% | 1,228 | -4.0% | 0.00% | – |
| Q3 2019 | $25,000 | -7.4% | 1,279 | +1.5% | 0.00% | – |
| Q2 2019 | $27,000 | +35.0% | 1,260 | +26.3% | 0.00% | – |
| Q1 2019 | $20,000 | +17.6% | 998 | +15.6% | 0.00% | – |
| Q4 2018 | $17,000 | +30.8% | 863 | +31.2% | 0.00% | – |
| Q3 2018 | $13,000 | +550.0% | 658 | +398.5% | 0.00% | – |
| Q2 2018 | $2,000 | – | 132 | – | 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% |