AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 133 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2019. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $5,526,000 | +2.4% | 261,771 | -0.8% | 0.34% | +1.5% |
| Q1 2019 | $5,394,000 | -18.7% | 264,004 | -20.8% | 0.34% | -17.2% |
| Q4 2018 | $6,636,000 | -2.1% | 333,483 | -5.3% | 0.41% | +28.8% |
| Q3 2018 | $6,776,000 | +13.2% | 352,170 | -10.2% | 0.32% | +12.5% |
| Q2 2018 | $5,986,000 | +22.0% | 392,296 | +49.9% | 0.28% | +16.6% |
| Q1 2018 | $4,907,000 | – | 261,692 | – | 0.24% | – |
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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% |