AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 105 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2016. The put-call ratio across all filers is - and the average weighting 0.0%.
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 ↓ |
|---|---|---|---|
| LAM GROUP, INC. | 130,250 | $4,884,375 | 4.79% |
| SHAKER INVESTMENTS LLC/OH | 82,253 | $3,084,488 | 1.72% |
| Mesirow Institutional Investment Management, Inc. | 325,669 | $12,212,588 | 1.33% |
| Portolan Capital Management | 340,593 | $12,772,238 | 1.22% |
| OBERWEIS ASSET MANAGEMENT INC/ | 178,200 | $6,682,500 | 1.04% |
| Granite Investment Partners, LLC | 536,821 | $20,130,788 | 0.84% |
| Capital Impact Advisors, LLC | 15,304 | $573,900 | 0.70% |
| Hillsdale Investment Management Inc. | 155,038 | $5,813,926 | 0.50% |
| GLOBEFLEX CAPITAL L P | 89,192 | $3,344,700 | 0.41% |
| Jackson Creek Investment Advisors LLC | 25,877 | $970 | 0.41% |