AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 138 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q4 2016. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $1,217,000 | +68.8% | 66,021 | +73.9% | 0.00% | – |
| Q3 2016 | $721,000 | +291.8% | 37,961 | +231.7% | 0.00% | – |
| Q2 2016 | $184,000 | +31.4% | 11,445 | -1.6% | 0.00% | – |
| Q1 2016 | $140,000 | +37.3% | 11,629 | +61.7% | 0.00% | – |
| Q4 2015 | $102,000 | +17.2% | 7,190 | -3.3% | 0.00% | – |
| Q3 2015 | $87,000 | -13.0% | 7,435 | +31.0% | 0.00% | – |
| Q2 2015 | $100,000 | +7.5% | 5,676 | -29.1% | 0.00% | – |
| Q3 2014 | $93,000 | – | 8,001 | – | 0.00% | – |
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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% |