AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 119 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2017. The put-call ratio across all filers is 1.48 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $173,612 | -1.7% | 3,775 | +22.8% | 0.01% | 0.0% |
| Q2 2023 | $176,605 | +53.3% | 3,073 | 0.0% | 0.01% | +40.0% |
| Q1 2023 | $115,238 | +23.4% | 3,073 | 0.0% | 0.01% | +25.0% |
| Q4 2022 | $93,358 | +8.6% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q3 2022 | $86,000 | -18.9% | 3,073 | 0.0% | 0.00% | -20.0% |
| Q2 2022 | $106,000 | -3.6% | 3,073 | 0.0% | 0.01% | +25.0% |
| Q1 2022 | $110,000 | +52.8% | 3,073 | 0.0% | 0.00% | +100.0% |
| Q4 2021 | $72,000 | +24.1% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q3 2021 | $58,000 | -6.5% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $62,000 | +10.7% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $56,000 | -9.7% | 3,073 | 0.0% | 0.00% | -33.3% |
| Q4 2020 | $62,000 | +6.9% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $58,000 | -15.9% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q2 2020 | $69,000 | +50.0% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q1 2020 | $46,000 | -22.0% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q4 2019 | $59,000 | -3.3% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $61,000 | -6.2% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $65,000 | +3.2% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $63,000 | +3.3% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q4 2018 | $61,000 | +3.4% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $59,000 | +25.5% | 3,073 | 0.0% | 0.00% | +50.0% |
| Q2 2018 | $47,000 | -19.0% | 3,073 | 0.0% | 0.00% | -33.3% |
| Q1 2018 | $58,000 | -1.7% | 3,073 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $59,000 | +20.4% | 3,073 | 0.0% | 0.00% | +50.0% |
| Q3 2017 | $49,000 | -10.9% | 3,073 | 0.0% | 0.00% | -33.3% |
| Q2 2017 | $55,000 | +22.2% | 3,073 | 0.0% | 0.00% | +50.0% |
| Q1 2017 | $45,000 | – | 3,073 | – | 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% |
| 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% |