AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 94 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $504 | -16.1% | 10,967 | +4.8% | 0.00% | -25.0% |
| Q2 2023 | $601 | +34.5% | 10,460 | -12.2% | 0.00% | +33.3% |
| Q1 2023 | $447 | -59.6% | 11,911 | -69.8% | 0.00% | -62.5% |
| Q4 2022 | $1,107 | -99.9% | 39,494 | -19.7% | 0.01% | -20.0% |
| Q3 2022 | $1,381,000 | +456.9% | 49,156 | +590.5% | 0.01% | +400.0% |
| Q2 2022 | $248,000 | -12.7% | 7,119 | -10.1% | 0.00% | +100.0% |
| Q1 2022 | $284,000 | +17.4% | 7,917 | -36.9% | 0.00% | -50.0% |
| Q4 2017 | $242,000 | +195.1% | 12,555 | +148.2% | 0.00% | +100.0% |
| Q2 2016 | $82,000 | +64.0% | 5,059 | +21.7% | 0.00% | – |
| Q1 2016 | $50,000 | +13.6% | 4,158 | +33.0% | 0.00% | – |
| Q4 2015 | $44,000 | -8.3% | 3,126 | -24.1% | 0.00% | – |
| Q3 2015 | $48,000 | +108.7% | 4,120 | +215.7% | 0.00% | – |
| Q2 2015 | $23,000 | – | 1,305 | – | 0.00% | – |
Download | ||||||
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% |