AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 204 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2022. The put-call ratio across all filers is 16.41 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,733,868 | -56.6% | 37,701 | -45.8% | 0.01% | -54.5% |
| Q2 2023 | $3,999,279 | -65.2% | 69,589 | -77.3% | 0.02% | -67.2% |
| Q1 2023 | $11,503,000 | +35.6% | 306,770 | +2.0% | 0.07% | +28.8% |
| Q4 2022 | $8,484,000 | -2.7% | 300,873 | -3.0% | 0.05% | -8.8% |
| Q3 2022 | $8,718,000 | +10.2% | 310,255 | +36.4% | 0.06% | +14.0% |
| Q2 2022 | $7,913,000 | +24.3% | 227,459 | +28.3% | 0.05% | +51.5% |
| Q1 2022 | $6,366,000 | +9.3% | 177,339 | -29.5% | 0.03% | +26.9% |
| Q4 2021 | $5,822,000 | +7.6% | 251,616 | -11.6% | 0.03% | +8.3% |
| Q3 2021 | $5,410,000 | -11.9% | 284,618 | -6.5% | 0.02% | -7.7% |
| Q2 2021 | $6,138,000 | +9.3% | 304,474 | -1.9% | 0.03% | +4.0% |
| Q1 2021 | $5,616,000 | -10.6% | 310,459 | -0.6% | 0.02% | -28.6% |
| Q4 2020 | $6,282,000 | +18.6% | 312,423 | +9.9% | 0.04% | +29.6% |
| Q3 2020 | $5,295,000 | -20.5% | 284,244 | -5.6% | 0.03% | -28.9% |
| Q2 2020 | $6,662,000 | +41.2% | 301,218 | -5.3% | 0.04% | +31.0% |
| Q1 2020 | $4,718,000 | -13.9% | 317,988 | +11.9% | 0.03% | +11.5% |
| Q4 2019 | $5,482,000 | – | 284,236 | – | 0.03% | – |
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% |