AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 250 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2023. The put-call ratio across all filers is 1.02 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $4,440,242 | -22.9% | 96,548 | -3.7% | 0.41% | -23.1% |
| Q2 2023 | $5,758,955 | -0.9% | 100,208 | -35.4% | 0.53% | +6.2% |
| Q1 2023 | $5,813,926 | +20.5% | 155,038 | -10.0% | 0.50% | +22.1% |
| Q4 2022 | $4,826,109 | -13.2% | 172,238 | -12.9% | 0.41% | -18.7% |
| Q3 2022 | $5,557,000 | -19.2% | 197,738 | 0.0% | 0.50% | -8.9% |
| Q2 2022 | $6,879,000 | -18.2% | 197,738 | -15.6% | 0.55% | +1.5% |
| Q1 2022 | $8,412,000 | +1078.2% | 234,338 | +593.3% | 0.54% | +664.8% |
| Q2 2019 | $714,000 | +29.3% | 33,800 | +25.2% | 0.07% | +42.0% |
| Q1 2019 | $552,000 | +22.7% | 27,000 | +19.5% | 0.05% | -5.7% |
| Q4 2018 | $450,000 | – | 22,600 | – | 0.05% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| FRIESS ASSOCIATES LLC | 97,760 | $3,401,000 | 5.68% |
| Nantahala Capital Management | 1,000,000 | $34,790,000 | 1.74% |
| MESIROW FINANCIAL INVESTMENT MANAGEMENT - Fixed Income | 341,294 | $11,874,000 | 1.52% |
| Portolan Capital Management | 274,889 | $9,563,000 | 0.96% |
| Quantedge Capital Pte Ltd | 121,500 | $4,227,000 | 0.85% |
| SHAKER INVESTMENTS LLC/OH | 37,117 | $1,291,000 | 0.82% |
| GLOBEFLEX CAPITAL L P | 72,253 | $2,514,000 | 0.61% |
| EAM Investors, LLC | 68,855 | $2,395,000 | 0.58% |
| Hillsdale Investment Management Inc. | 197,738 | $6,879,000 | 0.55% |
| Capital Impact Advisors, LLC | 13,835 | $481,000 | 0.44% |