AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 117 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $840,000 | -11.9% | 42,365 | -6.3% | 0.04% | -13.7% |
| Q2 2019 | $954,000 | +2.4% | 45,213 | -0.9% | 0.05% | +6.2% |
| Q1 2019 | $932,000 | -2.7% | 45,610 | -5.3% | 0.05% | -12.7% |
| Q4 2018 | $958,000 | +12.6% | 48,161 | +8.9% | 0.06% | +48.6% |
| Q3 2018 | $851,000 | +33.0% | 44,216 | +5.4% | 0.04% | +131.2% |
| Q2 2018 | $640,000 | -20.0% | 41,948 | -1.7% | 0.02% | -20.0% |
| Q1 2018 | $800,000 | +4.2% | 42,653 | +6.8% | 0.02% | +17.6% |
| Q4 2017 | $768,000 | +10.5% | 39,920 | +2.6% | 0.02% | +6.2% |
| Q3 2017 | $695,000 | +10.3% | 38,895 | +10.3% | 0.02% | +6.7% |
| Q2 2017 | $630,000 | +16.5% | 35,260 | -5.6% | 0.02% | +15.4% |
| Q1 2017 | $541,000 | -4.1% | 37,340 | +21.9% | 0.01% | 0.0% |
| Q4 2016 | $564,000 | +86.8% | 30,640 | +92.6% | 0.01% | +85.7% |
| Q3 2016 | $302,000 | – | 15,905 | – | 0.01% | – |
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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% |