AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 138 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $345,000 | +70.8% | 14,800 | +39.6% | 0.12% | +78.8% |
| Q3 2021 | $202,000 | -7.8% | 10,600 | -11.4% | 0.07% | -50.7% |
| Q1 2021 | $219,000 | -30.3% | 11,961 | -23.5% | 0.13% | -30.2% |
| Q4 2020 | $314,000 | +4.0% | 15,627 | -3.1% | 0.19% | -14.7% |
| Q3 2020 | $302,000 | -29.8% | 16,127 | -15.7% | 0.22% | -58.6% |
| Q2 2020 | $430,000 | -1.8% | 19,127 | -18.1% | 0.54% | +47.8% |
| Q1 2018 | $438,000 | – | 23,341 | – | 0.37% | – |
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% |