AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 105 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2016. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,912,724 | -11.8% | 41,590 | +10.2% | 0.00% | 0.0% |
| Q2 2023 | $2,169,435 | +133.8% | 37,749 | +52.5% | 0.00% | 0.0% |
| Q1 2023 | $928,088 | +4.3% | 24,749 | -22.0% | 0.00% | 0.0% |
| Q4 2022 | $889,551 | +2.1% | 31,747 | +2.4% | 0.00% | 0.0% |
| Q3 2022 | $871,000 | -20.1% | 30,990 | -1.1% | 0.00% | 0.0% |
| Q2 2022 | $1,090,000 | -21.5% | 31,339 | -18.9% | 0.00% | 0.0% |
| Q1 2022 | $1,388,000 | +95.8% | 38,664 | +27.0% | 0.00% | – |
| Q4 2021 | $709,000 | +22.2% | 30,440 | -0.2% | 0.00% | – |
| Q3 2021 | $580,000 | +14.2% | 30,509 | +21.1% | 0.00% | – |
| Q2 2021 | $508,000 | +118.0% | 25,202 | +98.6% | 0.00% | – |
| Q1 2021 | $233,000 | -20.2% | 12,687 | -12.7% | 0.00% | – |
| Q4 2020 | $292,000 | +111.6% | 14,526 | +98.2% | 0.00% | – |
| Q3 2020 | $138,000 | -71.7% | 7,329 | -66.3% | 0.00% | – |
| Q2 2020 | $488,000 | +109.4% | 21,718 | +38.4% | 0.00% | – |
| Q1 2020 | $233,000 | -39.6% | 15,695 | -21.5% | 0.00% | – |
| Q4 2019 | $386,000 | -33.3% | 19,999 | -31.5% | 0.00% | – |
| Q3 2019 | $579,000 | +53.2% | 29,185 | +62.8% | 0.00% | – |
| Q2 2019 | $378,000 | -43.9% | 17,925 | -45.7% | 0.00% | -100.0% |
| Q1 2019 | $674,000 | +93.1% | 32,983 | +88.0% | 0.00% | – |
| Q4 2018 | $349,000 | -51.2% | 17,543 | -52.7% | 0.00% | -100.0% |
| Q3 2018 | $715,000 | -38.7% | 37,127 | -51.4% | 0.00% | 0.0% |
| Q2 2018 | $1,167,000 | -40.1% | 76,447 | -26.4% | 0.00% | -50.0% |
| Q1 2018 | $1,949,000 | -25.2% | 103,919 | -23.3% | 0.00% | 0.0% |
| Q4 2017 | $2,606,000 | -22.8% | 135,472 | -28.3% | 0.00% | -33.3% |
| Q3 2017 | $3,376,000 | -14.7% | 188,910 | -14.8% | 0.00% | -25.0% |
| Q2 2017 | $3,960,000 | +387.1% | 221,729 | +295.1% | 0.00% | +300.0% |
| Q1 2017 | $813,000 | -39.7% | 56,116 | -23.3% | 0.00% | 0.0% |
| Q4 2016 | $1,348,000 | +102.1% | 73,203 | +108.1% | 0.00% | 0.0% |
| Q3 2016 | $667,000 | +216.1% | 35,172 | +168.7% | 0.00% | – |
| Q2 2016 | $211,000 | -43.3% | 13,089 | -57.8% | 0.00% | – |
| Q1 2016 | $372,000 | +44.7% | 31,012 | +71.5% | 0.00% | – |
| Q4 2015 | $257,000 | +435.4% | 18,078 | +336.4% | 0.00% | – |
| Q3 2015 | $48,000 | -97.1% | 4,143 | -95.5% | 0.00% | -100.0% |
| Q2 2015 | $1,637,000 | +131.5% | 93,073 | +96.9% | 0.00% | 0.0% |
| Q1 2015 | $707,000 | +456.7% | 47,271 | +332.2% | 0.00% | – |
| Q4 2014 | $127,000 | +429.2% | 10,938 | +438.3% | 0.00% | – |
| Q3 2014 | $24,000 | – | 2,032 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| LAM GROUP, INC. | 130,250 | $3,649,605 | 3.75% |
| SHAKER INVESTMENTS LLC/OH | 81,287 | $2,277,662 | 1.41% |
| Mesirow Institutional Investment Management, Inc. | 374,414 | $10,491,080 | 1.38% |
| OBERWEIS ASSET MANAGEMENT INC/ | 134,000 | $3,754,680 | 0.80% |
| Portolan Capital Management | 270,791 | $7,587,564 | 0.75% |
| Hillsdale Investment Management Inc. | 172,238 | $4,826,109 | 0.41% |
| Capital Impact Advisors, LLC | 14,669 | $411,025 | 0.40% |
| Watershed Asset Management, L.L.C. | 9,555 | $267,731 | 0.34% |
| Quantedge Capital Pte Ltd | 35,153 | $984,987 | 0.33% |
| FEDERATED HERMES, INC. | 3,284,217 | $92,023,760 | 0.25% |