AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 204 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2022. The put-call ratio across all filers is 16.41 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $86,820,965 | -21.7% | 1,887,738 | -2.2% | 0.03% | -20.0% |
| Q2 2023 | $110,948,415 | +54.3% | 1,930,615 | +0.7% | 0.04% | +45.8% |
| Q1 2023 | $71,909,496 | +137391.6% | 1,917,571 | +2.7% | 0.02% | +60.0% |
| Q4 2022 | $52,301 | -99.9% | 1,866,544 | +1.5% | 0.02% | -25.0% |
| Q3 2022 | $51,683,000 | -18.6% | 1,839,134 | +0.7% | 0.02% | -13.0% |
| Q2 2022 | $63,526,000 | -1.5% | 1,826,043 | +1.7% | 0.02% | +15.0% |
| Q1 2022 | $64,488,000 | +56.4% | 1,796,269 | +1.4% | 0.02% | +66.7% |
| Q4 2021 | $41,243,000 | +24.3% | 1,770,851 | +1.5% | 0.01% | +9.1% |
| Q3 2021 | $33,171,000 | -3.0% | 1,744,915 | +2.9% | 0.01% | 0.0% |
| Q2 2021 | $34,189,000 | +10.2% | 1,695,893 | +0.4% | 0.01% | +10.0% |
| Q1 2021 | $31,011,000 | -14.7% | 1,689,089 | -6.5% | 0.01% | -23.1% |
| Q4 2020 | $36,346,000 | +6.2% | 1,807,385 | -1.0% | 0.01% | -13.3% |
| Q3 2020 | $34,237,000 | -17.3% | 1,825,993 | -0.9% | 0.02% | -16.7% |
| Q2 2020 | $41,389,000 | +51.0% | 1,842,822 | -0.2% | 0.02% | +28.6% |
| Q1 2020 | $27,415,000 | -21.4% | 1,847,353 | +2.1% | 0.01% | +7.7% |
| Q4 2019 | $34,889,000 | -2.4% | 1,808,678 | +0.3% | 0.01% | -7.1% |
| Q3 2019 | $35,755,000 | -6.8% | 1,803,033 | -0.8% | 0.01% | -6.7% |
| Q2 2019 | $38,370,000 | -2.4% | 1,817,653 | -5.5% | 0.02% | -6.2% |
| Q1 2019 | $39,313,000 | +3.9% | 1,924,249 | +1.2% | 0.02% | -5.9% |
| Q4 2018 | $37,835,000 | +3.0% | 1,901,231 | -0.5% | 0.02% | +21.4% |
| Q3 2018 | $36,746,000 | +36.1% | 1,909,883 | +7.9% | 0.01% | +27.3% |
| Q2 2018 | $27,004,000 | -14.5% | 1,769,533 | +5.0% | 0.01% | -15.4% |
| Q1 2018 | $31,602,000 | +0.7% | 1,685,448 | +3.3% | 0.01% | 0.0% |
| Q4 2017 | $31,397,000 | +12.8% | 1,631,802 | +4.7% | 0.01% | +8.3% |
| Q3 2017 | $27,844,000 | +17.1% | 1,558,113 | +17.0% | 0.01% | +9.1% |
| Q2 2017 | $23,786,000 | +54.6% | 1,331,842 | +25.5% | 0.01% | +57.1% |
| Q1 2017 | $15,388,000 | +4.3% | 1,061,188 | +32.5% | 0.01% | 0.0% |
| Q4 2016 | $14,753,000 | +63.1% | 800,900 | +68.0% | 0.01% | +40.0% |
| Q3 2016 | $9,046,000 | +55.5% | 476,857 | +32.1% | 0.01% | +66.7% |
| Q2 2016 | $5,819,000 | +88.4% | 361,010 | +40.2% | 0.00% | +50.0% |
| Q1 2016 | $3,089,000 | +218.5% | 257,454 | +277.6% | 0.00% | +100.0% |
| Q4 2015 | $970,000 | – | 68,188 | – | 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% |