AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 135 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $588,435 | -72.2% | 10,239 | -81.9% | 0.02% | -74.1% |
| Q1 2023 | $2,118,900 | +109.0% | 56,504 | +56.2% | 0.06% | +100.0% |
| Q4 2022 | $1,013,904 | +36.3% | 36,185 | +36.6% | 0.03% | +11.5% |
| Q3 2022 | $744,000 | -31.8% | 26,482 | -15.6% | 0.03% | -46.9% |
| Q2 2022 | $1,091,000 | -16.5% | 31,363 | -13.8% | 0.05% | -19.7% |
| Q1 2022 | $1,307,000 | +329.9% | 36,405 | +179.1% | 0.06% | +221.1% |
| Q4 2021 | $304,000 | +32.8% | 13,042 | +4.3% | 0.02% | -9.5% |
| Q1 2021 | $229,000 | -57.5% | 12,503 | -47.9% | 0.02% | -43.2% |
| Q2 2020 | $539,000 | +36.8% | 23,980 | +20.8% | 0.04% | +8.8% |
| Q3 2019 | $394,000 | +64.2% | 19,853 | +68.9% | 0.03% | +100.0% |
| Q1 2019 | $240,000 | +57.9% | 11,754 | +12.0% | 0.02% | -10.5% |
| Q1 2017 | $152,000 | -22.8% | 10,493 | -1.6% | 0.02% | -38.7% |
| Q4 2016 | $197,000 | -51.8% | 10,669 | -68.7% | 0.03% | -35.4% |
| Q1 2016 | $409,000 | -11.1% | 34,093 | +5.6% | 0.05% | +17.1% |
| Q4 2015 | $460,000 | -43.8% | 32,300 | -30.7% | 0.04% | -55.4% |
| Q2 2015 | $819,000 | – | 46,614 | – | 0.09% | – |
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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% |