AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 55 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $866,000 | -1.6% | 48,466 | -1.6% | 0.00% | -25.0% |
| Q2 2017 | $880,000 | +37.9% | 49,266 | +11.9% | 0.00% | +33.3% |
| Q1 2017 | $638,000 | -29.4% | 44,033 | -10.3% | 0.00% | -25.0% |
| Q4 2016 | $904,000 | -2.1% | 49,089 | +0.9% | 0.00% | 0.0% |
| Q3 2016 | $923,000 | +11.7% | 48,640 | -5.1% | 0.00% | 0.0% |
| Q2 2016 | $826,000 | +75.0% | 51,240 | +30.3% | 0.00% | +100.0% |
| Q1 2016 | $472,000 | -14.5% | 39,325 | +1.4% | 0.00% | 0.0% |
| Q4 2015 | $552,000 | +22.1% | 38,800 | +0.4% | 0.00% | 0.0% |
| Q3 2015 | $452,000 | -33.5% | 38,661 | 0.0% | 0.00% | -33.3% |
| Q2 2015 | $680,000 | +13.3% | 38,661 | -3.6% | 0.00% | +50.0% |
| Q1 2015 | $600,000 | +8.1% | 40,105 | -16.0% | 0.00% | 0.0% |
| Q4 2014 | $555,000 | +3.5% | 47,772 | +3.8% | 0.00% | 0.0% |
| Q3 2014 | $536,000 | – | 46,028 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| LAM GROUP, INC. | 128,000 | $5,886,720 | 5.78% |
| Beacon Harbor Wealth Advisors, Inc. | 103,095 | $4,741 | 1.58% |
| Capital Impact Advisors, LLC | 15,304 | $703,831 | 1.18% |
| Quantedge Capital Pte Ltd | 36,389 | $1,673,530 | 0.91% |
| Mesirow Institutional Investment Management, Inc. | 183,805 | $8,453,192 | 0.86% |
| Monashee Investment Management LLC | 39,461 | $1,814,811 | 0.76% |
| OBERWEIS ASSET MANAGEMENT INC/ | 152,500 | $7,013,475 | 0.74% |
| Granite Investment Partners, LLC | 330,911 | $15,218,597 | 0.64% |
| Portolan Capital Management | 132,850 | $6,109,772 | 0.57% |
| SHAKER INVESTMENTS LLC/OH | 20,795 | $956,362 | 0.53% |