AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 250 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2023. The put-call ratio across all filers is 1.02 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $3,087,079 | -48.3% | 67,125 | -35.4% | 0.00% | – |
| Q2 2023 | $5,973,260 | +49.3% | 103,937 | -2.6% | 0.00% | – |
| Q1 2023 | $4,000,388 | +213.1% | 106,677 | +133.9% | 0.00% | – |
| Q4 2022 | $1,277,712 | -48.3% | 45,600 | -48.2% | 0.00% | – |
| Q3 2022 | $2,473,000 | -59.5% | 87,968 | -49.8% | 0.00% | -100.0% |
| Q2 2022 | $6,101,000 | +99.1% | 175,381 | +105.4% | 0.00% | – |
| Q1 2022 | $3,065,000 | +543.9% | 85,382 | +228.7% | 0.00% | – |
| Q1 2021 | $476,000 | +18.4% | 25,974 | +29.6% | 0.00% | – |
| Q4 2020 | $402,000 | -79.4% | 20,034 | -80.7% | 0.00% | – |
| Q3 2020 | $1,948,000 | -22.0% | 103,877 | -6.5% | 0.00% | – |
| Q2 2020 | $2,496,000 | +434.5% | 111,134 | +253.3% | 0.00% | – |
| Q1 2020 | $467,000 | -26.9% | 31,458 | -5.1% | 0.00% | – |
| Q4 2019 | $639,000 | -40.1% | 33,133 | -38.3% | 0.00% | – |
| Q3 2019 | $1,066,000 | -75.8% | 53,741 | -74.2% | 0.00% | – |
| Q2 2019 | $4,403,000 | +1161.6% | 208,562 | +810.9% | 0.00% | – |
| Q2 2018 | $349,000 | -50.3% | 22,895 | -52.7% | 0.00% | – |
| Q1 2017 | $702,000 | -59.4% | 48,400 | -48.4% | 0.00% | -100.0% |
| Q4 2016 | $1,728,000 | +148.3% | 93,823 | +155.6% | 0.00% | – |
| Q3 2016 | $696,000 | +6.9% | 36,700 | -9.2% | 0.00% | – |
| Q2 2016 | $651,000 | -8.8% | 40,400 | -19.5% | 0.00% | – |
| Q4 2015 | $714,000 | +66.0% | 50,177 | +36.7% | 0.00% | – |
| Q3 2015 | $430,000 | -53.2% | 36,713 | -29.8% | 0.00% | – |
| Q2 2015 | $919,000 | – | 52,287 | – | 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% |