AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 138 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2022 | $351,000 | -19.3% | 12,500 | 0.0% | 0.02% | -18.5% |
| Q2 2022 | $435,000 | -3.1% | 12,500 | 0.0% | 0.03% | +42.1% |
| Q1 2022 | $449,000 | +54.3% | 12,500 | 0.0% | 0.02% | +90.0% |
| Q4 2021 | $291,000 | +22.3% | 12,500 | 0.0% | 0.01% | +11.1% |
| Q3 2021 | $238,000 | -5.6% | 12,500 | 0.0% | 0.01% | -10.0% |
| Q2 2021 | $252,000 | +10.0% | 12,500 | 0.0% | 0.01% | 0.0% |
| Q1 2021 | $229,000 | -8.8% | 12,500 | 0.0% | 0.01% | -9.1% |
| Q4 2020 | $251,000 | -10.7% | 12,500 | -16.7% | 0.01% | -21.4% |
| Q3 2020 | $281,000 | -16.6% | 15,000 | 0.0% | 0.01% | -26.3% |
| Q2 2020 | $337,000 | +51.1% | 15,000 | 0.0% | 0.02% | 0.0% |
| Q1 2020 | $223,000 | -22.8% | 15,000 | 0.0% | 0.02% | +35.7% |
| Q4 2019 | $289,000 | -2.7% | 15,000 | 0.0% | 0.01% | -17.6% |
| Q3 2019 | $297,000 | -6.3% | 15,000 | 0.0% | 0.02% | 0.0% |
| Q2 2019 | $317,000 | +3.6% | 15,000 | 0.0% | 0.02% | 0.0% |
| Q1 2019 | $306,000 | +2.3% | 15,000 | 0.0% | 0.02% | -26.1% |
| Q4 2018 | $299,000 | +3.5% | 15,000 | 0.0% | 0.02% | +64.3% |
| Q3 2018 | $289,000 | +26.2% | 15,000 | 0.0% | 0.01% | +16.7% |
| Q2 2018 | $229,000 | -18.5% | 15,000 | 0.0% | 0.01% | -20.0% |
| Q1 2018 | $281,000 | -2.8% | 15,000 | 0.0% | 0.02% | 0.0% |
| Q4 2017 | $289,000 | +7.8% | 15,000 | 0.0% | 0.02% | 0.0% |
| Q3 2017 | $268,000 | 0.0% | 15,000 | 0.0% | 0.02% | -6.2% |
| Q2 2017 | $268,000 | -7.6% | 15,000 | -25.0% | 0.02% | -5.9% |
| Q1 2017 | $290,000 | -21.2% | 20,000 | 0.0% | 0.02% | -29.2% |
| Q4 2016 | $368,000 | -2.9% | 20,000 | 0.0% | 0.02% | -4.0% |
| Q3 2016 | $379,000 | +17.7% | 20,000 | 0.0% | 0.02% | 0.0% |
| Q2 2016 | $322,000 | – | 20,000 | – | 0.02% | – |
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% |
| MARTINGALE ASSET MANAGEMENT L P | 214,444 | $4,254,000 | 0.04% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 177,321 | $3,516,000 | 0.04% |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 231,041 | $4,582,000 | 0.04% |