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 | $958,846 | -18.1% | 20,849 | +2.3% | 0.01% | -14.3% |
| Q2 2023 | $1,171,296 | +49.7% | 20,381 | -2.3% | 0.01% | +40.0% |
| Q1 2023 | $782,625 | +34.5% | 20,870 | +0.5% | 0.01% | +25.0% |
| Q4 2022 | $582,031 | -1.2% | 20,772 | -1.0% | 0.00% | 0.0% |
| Q3 2022 | $589,000 | -18.2% | 20,973 | +1.3% | 0.00% | -20.0% |
| Q2 2022 | $720,000 | -5.4% | 20,698 | -2.3% | 0.01% | +25.0% |
| Q1 2022 | $761,000 | +45.2% | 21,189 | -5.8% | 0.00% | +33.3% |
| Q4 2021 | $524,000 | +18.6% | 22,491 | -3.2% | 0.00% | +50.0% |
| Q3 2021 | $442,000 | -8.7% | 23,225 | -3.2% | 0.00% | 0.0% |
| Q2 2021 | $484,000 | +8.8% | 24,003 | -1.1% | 0.00% | 0.0% |
| Q1 2021 | $445,000 | -9.9% | 24,276 | -1.1% | 0.00% | 0.0% |
| Q4 2020 | $494,000 | +4.7% | 24,552 | -2.4% | 0.00% | 0.0% |
| Q3 2020 | $472,000 | -15.7% | 25,164 | +1.0% | 0.00% | -33.3% |
| Q2 2020 | $560,000 | +53.8% | 24,925 | +1.6% | 0.00% | +50.0% |
| Q1 2020 | $364,000 | -26.8% | 24,525 | -4.8% | 0.00% | 0.0% |
| Q4 2019 | $497,000 | -5.2% | 25,752 | -2.6% | 0.00% | 0.0% |
| Q3 2019 | $524,000 | -7.4% | 26,449 | -1.4% | 0.00% | 0.0% |
| Q2 2019 | $566,000 | +4.6% | 26,835 | +1.3% | 0.00% | 0.0% |
| Q1 2019 | $541,000 | -1.1% | 26,496 | -3.6% | 0.00% | 0.0% |
| Q4 2018 | $547,000 | +2.2% | 27,477 | -1.2% | 0.00% | 0.0% |
| Q3 2018 | $535,000 | +27.7% | 27,814 | +1.4% | 0.00% | +100.0% |
| Q2 2018 | $419,000 | -3.7% | 27,433 | +18.3% | 0.00% | -50.0% |
| Q1 2018 | $435,000 | -21.3% | 23,199 | -19.3% | 0.00% | 0.0% |
| Q4 2017 | $553,000 | +8.0% | 28,744 | +0.3% | 0.00% | 0.0% |
| Q3 2017 | $512,000 | +5.8% | 28,649 | +5.7% | 0.00% | 0.0% |
| Q2 2017 | $484,000 | +52.2% | 27,095 | +23.7% | 0.00% | +100.0% |
| Q1 2017 | $318,000 | -33.9% | 21,908 | -16.2% | 0.00% | -50.0% |
| Q4 2016 | $481,000 | -99.9% | 26,131 | -1.0% | 0.00% | 0.0% |
| Q3 2016 | $500,827,000 | +51.6% | 26,401 | +28.9% | 0.00% | +100.0% |
| Q2 2016 | $330,283,000 | +48.1% | 20,489 | +10.1% | 0.00% | 0.0% |
| Q1 2016 | $223,000,000 | -15.8% | 18,607 | 0.0% | 0.00% | 0.0% |
| Q4 2015 | $265,000,000 | +121459.6% | 18,607 | -0.2% | 0.00% | 0.0% |
| Q3 2015 | $218,000 | -99.9% | 18,640 | +0.1% | 0.00% | 0.0% |
| Q2 2015 | $327,304,000 | +276.6% | 18,618 | +220.5% | 0.00% | – |
| Q1 2015 | $86,903,000 | +28.9% | 5,809 | 0.0% | 0.00% | – |
| Q4 2014 | $67,442,000 | – | 5,809 | – | 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% |