AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 136 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2020. The put-call ratio across all filers is 5.39 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $2,367,887 | -19.5% | 51,487 | +0.6% | 0.00% | -33.3% |
| Q2 2023 | $2,941,602 | +35.3% | 51,185 | -11.7% | 0.00% | +50.0% |
| Q1 2023 | $2,173,350 | +39.2% | 57,956 | +4.0% | 0.00% | 0.0% |
| Q4 2022 | $1,560,994 | +42.7% | 55,710 | +43.1% | 0.00% | +100.0% |
| Q3 2022 | $1,094,000 | -11.1% | 38,929 | +10.0% | 0.00% | 0.0% |
| Q2 2022 | $1,231,000 | -17.4% | 35,398 | -14.8% | 0.00% | 0.0% |
| Q1 2022 | $1,490,000 | +77.4% | 41,535 | +15.2% | 0.00% | – |
| Q4 2021 | $840,000 | +27.5% | 36,070 | +4.0% | 0.00% | – |
| Q3 2021 | $659,000 | -16.3% | 34,667 | -11.3% | 0.00% | – |
| Q2 2021 | $787,000 | +3.6% | 39,074 | -5.8% | 0.00% | – |
| Q1 2021 | $760,000 | -25.3% | 41,501 | -17.8% | 0.00% | – |
| Q4 2020 | $1,017,000 | +41.4% | 50,511 | +31.5% | 0.00% | – |
| Q3 2020 | $719,000 | -20.2% | 38,402 | -4.3% | 0.00% | -100.0% |
| Q2 2020 | $901,000 | +77.0% | 40,119 | +16.9% | 0.00% | – |
| Q1 2020 | $509,000 | -31.1% | 34,315 | -10.5% | 0.00% | -100.0% |
| Q4 2019 | $739,000 | -4.3% | 38,342 | -1.6% | 0.00% | 0.0% |
| Q3 2019 | $772,000 | +23.1% | 38,978 | +31.4% | 0.00% | 0.0% |
| Q2 2019 | $627,000 | -19.6% | 29,672 | -22.2% | 0.00% | 0.0% |
| Q1 2019 | $780,000 | -18.2% | 38,124 | -20.4% | 0.00% | 0.0% |
| Q4 2018 | $953,000 | +40.8% | 47,883 | +36.3% | 0.00% | 0.0% |
| Q3 2018 | $677,000 | -7.1% | 35,131 | -26.6% | 0.00% | 0.0% |
| Q2 2018 | $729,000 | -23.9% | 47,844 | -6.4% | 0.00% | 0.0% |
| Q1 2018 | $958,000 | +1.3% | 51,108 | +4.0% | 0.00% | 0.0% |
| Q4 2017 | $946,000 | +14.3% | 49,131 | +6.1% | 0.00% | 0.0% |
| Q3 2017 | $828,000 | +104.4% | 46,295 | +104.0% | 0.00% | – |
| Q2 2017 | $405,000 | -16.5% | 22,697 | -32.1% | 0.00% | – |
| Q1 2017 | $485,000 | -65.2% | 33,421 | -55.8% | 0.00% | -100.0% |
| Q4 2016 | $1,394,000 | -36.3% | 75,655 | -34.4% | 0.00% | -50.0% |
| Q3 2016 | $2,187,000 | +102.7% | 115,248 | +72.2% | 0.00% | +100.0% |
| Q2 2016 | $1,079,000 | +188.5% | 66,912 | +114.8% | 0.00% | – |
| Q1 2016 | $374,000 | -4.3% | 31,158 | +13.7% | 0.00% | – |
| Q4 2015 | $391,000 | -32.1% | 27,403 | -44.4% | 0.00% | -100.0% |
| Q3 2015 | $576,000 | -54.2% | 49,283 | -31.2% | 0.00% | 0.0% |
| Q2 2015 | $1,259,000 | +72.0% | 71,625 | +46.4% | 0.00% | 0.0% |
| Q1 2015 | $732,000 | +255.3% | 48,916 | +174.7% | 0.00% | – |
| Q4 2014 | $206,000 | – | 17,806 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Alambic Investment Management, L.P. | 29,423 | $583,000 | 0.44% |
| Matarin Capital Management, LLC | 223,184 | $4,426,000 | 0.34% |
| Summit Global Investments | 42,725 | $847,000 | 0.10% |
| FEDERATED HERMES, INC. | 1,747,921 | $34,661,000 | 0.08% |
| ROTHSCHILD & CO ASSET MANAGEMENT US INC. | 347,307 | $6,887,000 | 0.08% |
| MARSHALL WACE, LLP | 413,293 | $8,196,000 | 0.06% |
| BOSTON ADVISORS LLC | 42,365 | $840,000 | 0.04% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 177,321 | $3,516,000 | 0.04% |
| MARTINGALE ASSET MANAGEMENT L P | 214,444 | $4,254,000 | 0.04% |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 231,041 | $4,582,000 | 0.04% |