AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 135 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2019. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $3,972,000 | -7.2% | 188,140 | -10.2% | 0.15% | -3.8% |
| Q1 2019 | $4,281,000 | -8.6% | 209,550 | -11.0% | 0.16% | -33.5% |
| Q4 2018 | $4,683,000 | +3.2% | 235,350 | -0.2% | 0.24% | +51.3% |
| Q3 2018 | $4,536,000 | +26.1% | 235,775 | 0.0% | 0.16% | +20.0% |
| Q2 2018 | $3,598,000 | -16.8% | 235,775 | +2.2% | 0.13% | -17.7% |
| Q1 2018 | $4,327,000 | +1.1% | 230,775 | +0.5% | 0.16% | +6.8% |
| Q4 2017 | $4,282,000 | +97.6% | 229,740 | +89.4% | 0.15% | +76.2% |
| Q3 2017 | $2,167,000 | +102.7% | 121,275 | +102.6% | 0.08% | +95.3% |
| Q2 2017 | $1,069,000 | – | 59,850 | – | 0.04% | – |
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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% |