AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 130 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $101,040 | -15.2% | 2,197 | +5.9% | 0.01% | -16.7% |
| Q2 2023 | $119,193 | +53.3% | 2,074 | 0.0% | 0.01% | +50.0% |
| Q1 2023 | $77,775 | +22.4% | 2,074 | -8.5% | 0.00% | +33.3% |
| Q4 2022 | $63,521 | -0.3% | 2,267 | 0.0% | 0.00% | 0.0% |
| Q3 2022 | $63,703 | -19.2% | 2,267 | 0.0% | 0.00% | 0.0% |
| Q2 2022 | $78,869 | -3.1% | 2,267 | 0.0% | 0.00% | 0.0% |
| Q1 2022 | $81,385 | -65.5% | 2,267 | -77.6% | 0.00% | 0.0% |
| Q4 2021 | $235,578 | -1.2% | 10,115 | -19.4% | 0.00% | 0.0% |
| Q3 2021 | $238,442 | -5.7% | 12,543 | 0.0% | 0.00% | -25.0% |
| Q2 2021 | $252,867 | +21.4% | 12,543 | +10.3% | 0.00% | +33.3% |
| Q1 2021 | $208,317 | -15.1% | 11,371 | -6.8% | 0.00% | -25.0% |
| Q4 2020 | $245,362 | +7.3% | 12,201 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $228,769 | -16.5% | 12,201 | 0.0% | 0.00% | -20.0% |
| Q2 2020 | $274,034 | +51.3% | 12,201 | 0.0% | 0.01% | +25.0% |
| Q1 2020 | $181,063 | -20.5% | 12,201 | +3.3% | 0.00% | 0.0% |
| Q4 2019 | $227,892 | -8.4% | 11,814 | -5.8% | 0.00% | 0.0% |
| Q3 2019 | $248,728 | -6.1% | 12,543 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $264,783 | +3.3% | 12,543 | 0.0% | 0.00% | -20.0% |
| Q1 2019 | $256,253 | +2.7% | 12,543 | 0.0% | 0.01% | 0.0% |
| Q4 2018 | $249,606 | +3.4% | 12,543 | 0.0% | 0.01% | +25.0% |
| Q3 2018 | $241,327 | -99.9% | 12,543 | 0.0% | 0.00% | +33.3% |
| Q2 2018 | $191,406,000 | -18.6% | 12,543 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $235,182,000 | +102599.6% | 12,543 | +5.3% | 0.00% | 0.0% |
| Q4 2017 | $229,000 | -51.3% | 11,917 | -54.7% | 0.00% | 0.0% |
| Q3 2017 | $470,000 | 0.0% | 26,305 | 0.0% | 0.00% | 0.0% |
| Q2 2017 | $470,000 | +23.4% | 26,305 | 0.0% | 0.00% | 0.0% |
| Q1 2017 | $381,000 | -21.4% | 26,305 | 0.0% | 0.00% | 0.0% |
| Q4 2016 | $485,000 | -2.8% | 26,305 | 0.0% | 0.00% | -25.0% |
| Q3 2016 | $499,000 | +17.7% | 26,305 | 0.0% | 0.00% | +33.3% |
| Q2 2016 | $424,000 | +49.3% | 26,305 | +11.1% | 0.00% | +50.0% |
| Q1 2016 | $284,000 | -15.7% | 23,668 | 0.0% | 0.00% | -33.3% |
| Q4 2015 | $337,000 | +28.1% | 23,668 | +5.3% | 0.00% | +50.0% |
| Q3 2015 | $263,000 | -35.9% | 22,477 | -3.6% | 0.00% | -33.3% |
| Q2 2015 | $410,000 | – | 23,318 | – | 0.00% | – |
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% |