AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 135 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2016. The put-call ratio across all filers is 1.93 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 ↓ |
|---|---|---|---|
| LAM GROUP, INC. | 130,250 | $3,649,605 | 3.75% |
| SHAKER INVESTMENTS LLC/OH | 81,287 | $2,277,662 | 1.41% |
| Mesirow Institutional Investment Management, Inc. | 374,414 | $10,491,080 | 1.38% |
| OBERWEIS ASSET MANAGEMENT INC/ | 134,000 | $3,754,680 | 0.80% |
| Portolan Capital Management | 270,791 | $7,587,564 | 0.75% |
| Hillsdale Investment Management Inc. | 172,238 | $4,826,109 | 0.41% |
| Capital Impact Advisors, LLC | 14,669 | $411,025 | 0.40% |
| Watershed Asset Management, L.L.C. | 9,555 | $267,731 | 0.34% |
| Quantedge Capital Pte Ltd | 35,153 | $984,987 | 0.33% |
| FEDERATED HERMES, INC. | 3,284,217 | $92,023,760 | 0.25% |