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 | $16,205,864 | -14.1% | 352,378 | +7.3% | 0.01% | 0.0% |
| Q2 2023 | $18,865,217 | +52.5% | 328,262 | -0.5% | 0.01% | +25.0% |
| Q1 2023 | $12,371,738 | +35.1% | 329,913 | +1.0% | 0.00% | +33.3% |
| Q4 2022 | $9,156,600 | +6.0% | 326,788 | +6.3% | 0.00% | 0.0% |
| Q3 2022 | $8,635,000 | -21.2% | 307,293 | -2.4% | 0.00% | -25.0% |
| Q2 2022 | $10,952,000 | +13.7% | 314,793 | +17.3% | 0.00% | +33.3% |
| Q1 2022 | $9,636,000 | +58.5% | 268,398 | +2.9% | 0.00% | +50.0% |
| Q4 2021 | $6,078,000 | +26.5% | 260,935 | +3.2% | 0.00% | 0.0% |
| Q3 2021 | $4,805,000 | -6.0% | 252,767 | -0.2% | 0.00% | 0.0% |
| Q2 2021 | $5,109,000 | +12.5% | 253,387 | +2.2% | 0.00% | 0.0% |
| Q1 2021 | $4,542,000 | -6.7% | 247,899 | +2.4% | 0.00% | 0.0% |
| Q4 2020 | $4,870,000 | +9.5% | 242,148 | +2.1% | 0.00% | 0.0% |
| Q3 2020 | $4,447,000 | -13.2% | 237,132 | +4.0% | 0.00% | -33.3% |
| Q2 2020 | $5,124,000 | +56.8% | 228,101 | +3.6% | 0.00% | +50.0% |
| Q1 2020 | $3,267,000 | -21.6% | 220,092 | +1.8% | 0.00% | 0.0% |
| Q4 2019 | $4,169,000 | -1.0% | 216,109 | +1.8% | 0.00% | 0.0% |
| Q3 2019 | $4,209,000 | -6.0% | 212,205 | +0.0% | 0.00% | -33.3% |
| Q2 2019 | $4,480,000 | +15.7% | 212,178 | +11.9% | 0.00% | +50.0% |
| Q1 2019 | $3,873,000 | +1.0% | 189,560 | -1.6% | 0.00% | -33.3% |
| Q4 2018 | $3,834,000 | +2.2% | 192,656 | -1.2% | 0.00% | +50.0% |
| Q3 2018 | $3,751,000 | +26.4% | 194,932 | +0.3% | 0.00% | 0.0% |
| Q2 2018 | $2,967,000 | -13.4% | 194,375 | +6.4% | 0.00% | -33.3% |
| Q1 2018 | $3,427,000 | -4.4% | 182,749 | -1.9% | 0.00% | 0.0% |
| Q4 2017 | $3,586,000 | +6.8% | 186,341 | -0.8% | 0.00% | 0.0% |
| Q3 2017 | $3,358,000 | -13.8% | 187,900 | -13.8% | 0.00% | -25.0% |
| Q2 2017 | $3,895,000 | +32.0% | 218,080 | +7.2% | 0.00% | +33.3% |
| Q1 2017 | $2,950,000 | -3.4% | 203,434 | +22.7% | 0.00% | 0.0% |
| Q4 2016 | $3,055,000 | +2.0% | 165,809 | +5.0% | 0.00% | -25.0% |
| Q3 2016 | $2,996,000 | +154.8% | 157,906 | +116.6% | 0.00% | +300.0% |
| Q2 2016 | $1,176,000 | +84.3% | 72,893 | +37.2% | 0.00% | 0.0% |
| Q1 2016 | $638,000 | -15.6% | 53,126 | 0.0% | 0.00% | 0.0% |
| Q4 2015 | $756,000 | +50.6% | 53,126 | +23.8% | 0.00% | 0.0% |
| Q3 2015 | $502,000 | -33.5% | 42,926 | 0.0% | 0.00% | 0.0% |
| Q2 2015 | $755,000 | +297.4% | 42,926 | +238.0% | 0.00% | – |
| Q1 2015 | $190,000 | +28.4% | 12,700 | 0.0% | 0.00% | – |
| Q4 2014 | $148,000 | – | 12,700 | – | 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% |