AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 108 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2017. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $3,972,000 | -7.2% | 188,140 | -10.2% | 0.15% | -3.8% |
| Q1 2019 | $4,281,000 | -8.6% | 209,550 | -11.0% | 0.16% | -33.5% |
| Q4 2018 | $4,683,000 | +3.2% | 235,350 | -0.2% | 0.24% | +51.3% |
| Q3 2018 | $4,536,000 | +26.1% | 235,775 | 0.0% | 0.16% | +20.0% |
| Q2 2018 | $3,598,000 | -16.8% | 235,775 | +2.2% | 0.13% | -17.7% |
| Q1 2018 | $4,327,000 | +1.1% | 230,775 | +0.5% | 0.16% | +6.8% |
| Q4 2017 | $4,282,000 | +97.6% | 229,740 | +89.4% | 0.15% | +76.2% |
| Q3 2017 | $2,167,000 | +102.7% | 121,275 | +102.6% | 0.08% | +95.3% |
| Q2 2017 | $1,069,000 | – | 59,850 | – | 0.04% | – |
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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% |