AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 94 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2016. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2016 | $755,000 | -18.6% | 46,859 | -39.4% | 0.14% | +3.7% |
| Q1 2016 | $928,000 | -75.0% | 77,360 | -70.3% | 0.13% | -66.4% |
| Q4 2015 | $3,706,000 | -17.2% | 260,426 | -32.0% | 0.40% | -7.6% |
| Q3 2015 | $4,478,000 | -19.3% | 383,030 | +21.4% | 0.43% | -20.3% |
| Q2 2015 | $5,546,000 | +20.1% | 315,495 | +2.2% | 0.54% | +19.9% |
| Q1 2015 | $4,617,000 | +2750.0% | 308,624 | +2106.5% | 0.45% | +2913.3% |
| Q4 2014 | $162,000 | -27.0% | 13,987 | -26.7% | 0.02% | -21.1% |
| Q3 2014 | $222,000 | – | 19,087 | – | 0.02% | – |
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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% |