AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 91 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $2,395,000 | -46.5% | 68,855 | -44.8% | 0.58% | -29.9% |
| Q1 2022 | $4,477,000 | +84.0% | 124,697 | +2.0% | 0.83% | +26.2% |
| Q4 2018 | $2,433,000 | -23.7% | 122,250 | -29.3% | 0.66% | +55.9% |
| Q4 2016 | $3,187,000 | -13.1% | 173,018 | -10.5% | 0.42% | -14.0% |
| Q3 2016 | $3,668,000 | -7.8% | 193,355 | -21.7% | 0.49% | -17.6% |
| Q2 2016 | $3,978,000 | +231.8% | 246,805 | +261.8% | 0.60% | +327.1% |
| Q2 2015 | $1,199,000 | – | 68,224 | – | 0.14% | – |
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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% |