AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 85 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2015. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $71,844,000 | +22.8% | 3,900,323 | +26.4% | 0.01% | +8.3% |
| Q3 2016 | $58,523,000 | +141.5% | 3,085,037 | +105.3% | 0.01% | +140.0% |
| Q2 2016 | $24,229,000 | +43.9% | 1,503,059 | +7.1% | 0.01% | +25.0% |
| Q1 2016 | $16,835,000 | -13.7% | 1,402,948 | +2.3% | 0.00% | -20.0% |
| Q4 2015 | $19,517,000 | +13.0% | 1,371,557 | -7.2% | 0.01% | +25.0% |
| Q3 2015 | $17,278,000 | -29.8% | 1,478,032 | +5.5% | 0.00% | -33.3% |
| Q2 2015 | $24,621,000 | +100.6% | 1,400,491 | +70.7% | 0.01% | +100.0% |
| Q1 2015 | $12,273,000 | +36.1% | 820,374 | +5.7% | 0.00% | +50.0% |
| Q4 2014 | $9,015,000 | +240.3% | 776,444 | +241.4% | 0.00% | +100.0% |
| Q3 2014 | $2,649,000 | – | 227,418 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EAM Investors, LLC | 173,018 | $3,187,000 | 0.42% |
| GLOBEFLEX CAPITAL L P | 50,686 | $934,000 | 0.23% |
| KALMAR INVESTMENTS INC /DE/ | 240,648 | $4,433,000 | 0.23% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 63,661 | $1,173,000 | 0.19% |
| OBERWEIS ASSET MANAGEMENT INC/ | 27,200 | $501,000 | 0.15% |
| Invictus RG | 11,950 | $220,000 | 0.15% |
| ACADIAN ASSET MANAGEMENT LLC | 1,502,151 | $27,668,000 | 0.13% |
| FOX RUN MANAGEMENT, L.L.C. | 12,600 | $232,000 | 0.12% |
| Piermont Capital Management Inc. | 26,153 | $482,000 | 0.11% |
| FEDERATED HERMES, INC. | 1,344,684 | $24,769,000 | 0.07% |