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 | ||||
|---|---|---|---|---|---|---|
| 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. | 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% |