AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 114 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,531 | -18.1% | 33,317 | +2.4% | 0.00% | 0.0% |
| Q2 2023 | $1,869 | +40.6% | 32,537 | -8.3% | 0.00% | +33.3% |
| Q1 2023 | $1,329 | +25.1% | 35,490 | -6.5% | 0.00% | 0.0% |
| Q4 2022 | $1,062 | -99.9% | 37,965 | -10.4% | 0.00% | 0.0% |
| Q3 2022 | $1,189,000 | -8.8% | 42,367 | +12.9% | 0.00% | 0.0% |
| Q2 2022 | $1,304,000 | +9.7% | 37,512 | +16.2% | 0.00% | +50.0% |
| Q1 2022 | $1,189,000 | +57.3% | 32,276 | -0.7% | 0.00% | 0.0% |
| Q4 2021 | $756,000 | +20.6% | 32,491 | -0.6% | 0.00% | +100.0% |
| Q3 2021 | $627,000 | +2.1% | 32,694 | +7.4% | 0.00% | 0.0% |
| Q2 2021 | $614,000 | +10.2% | 30,450 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $557,000 | -21.5% | 30,450 | -13.7% | 0.00% | 0.0% |
| Q4 2020 | $710,000 | -6.6% | 35,293 | -12.9% | 0.00% | -50.0% |
| Q3 2020 | $760,000 | -18.0% | 40,509 | -2.0% | 0.00% | 0.0% |
| Q2 2020 | $927,000 | +44.4% | 41,333 | -5.2% | 0.00% | 0.0% |
| Q1 2020 | $642,000 | -22.1% | 43,590 | +1.2% | 0.00% | 0.0% |
| Q4 2019 | $824,000 | -15.8% | 43,085 | -7.3% | 0.00% | 0.0% |
| Q2 2019 | $979,000 | +3.2% | 46,463 | 0.0% | 0.00% | -33.3% |
| Q1 2019 | $949,000 | +18.0% | 46,463 | +5.9% | 0.00% | +50.0% |
| Q4 2018 | $804,000 | -4.7% | 43,863 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $844,000 | +26.2% | 43,863 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $669,000 | -18.6% | 43,863 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $822,000 | -7.7% | 43,863 | -5.3% | 0.00% | 0.0% |
| Q4 2017 | $891,000 | +7.6% | 46,337 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $828,000 | -8.8% | 46,337 | -8.9% | 0.00% | 0.0% |
| Q2 2017 | $908,000 | +23.0% | 50,874 | 0.0% | 0.00% | 0.0% |
| Q1 2017 | $738,000 | -11.0% | 50,874 | +13.0% | 0.00% | 0.0% |
| Q4 2016 | $829,000 | -55.4% | 45,033 | -54.1% | 0.00% | -33.3% |
| Q3 2016 | $1,860,000 | +1622.2% | 98,066 | +1363.7% | 0.00% | – |
| Q2 2016 | $108,000 | +35.0% | 6,700 | 0.0% | 0.00% | – |
| Q1 2016 | $80,000 | -15.8% | 6,700 | 0.0% | 0.00% | – |
| Q4 2015 | $95,000 | +21.8% | 6,700 | 0.0% | 0.00% | – |
| Q3 2015 | $78,000 | -33.3% | 6,700 | 0.0% | 0.00% | – |
| Q2 2015 | $117,000 | – | 6,700 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EAM Investors, LLC | 173,018 | $3,187,000 | 0.42% |
| GLOBEFLEX CAPITAL L P | 50,686 | $934,000 | 0.23% |
| KALMAR INVESTMENTS INC /DE/ | 240,648 | $4,433,000 | 0.23% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 63,661 | $1,173,000 | 0.19% |
| OBERWEIS ASSET MANAGEMENT INC/ | 27,200 | $501,000 | 0.15% |
| Invictus RG | 11,950 | $220,000 | 0.15% |
| ACADIAN ASSET MANAGEMENT LLC | 1,502,151 | $27,668,000 | 0.13% |
| FOX RUN MANAGEMENT, L.L.C. | 12,600 | $232,000 | 0.12% |
| Piermont Capital Management Inc. | 26,153 | $482,000 | 0.11% |
| FEDERATED HERMES, INC. | 1,344,684 | $24,769,000 | 0.07% |