AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 221 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2022. The put-call ratio across all filers is 12.07 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $764 | -50.3% | 16,620 | -37.9% | 0.32% | -47.5% |
| Q2 2023 | $1,538 | +58.6% | 26,758 | +3.4% | 0.62% | +51.1% |
| Q1 2023 | $970 | -99.9% | 25,877 | -6.2% | 0.41% | +12.1% |
| Q3 2022 | $775,000 | -28.1% | 27,577 | -4.4% | 0.36% | -16.7% |
| Q2 2022 | $1,078,000 | -39.7% | 28,837 | -42.1% | 0.44% | -33.2% |
| Q1 2022 | $1,788,000 | +160.6% | 49,814 | +36.1% | 0.65% | +110.0% |
| Q3 2020 | $686,000 | – | 36,590 | – | 0.31% | – |
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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% |