AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 136 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2020. The put-call ratio across all filers is 5.39 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,955,633 | -26.9% | 42,523 | -8.7% | 0.00% | -25.0% |
| Q2 2023 | $2,676,033 | +48.0% | 46,564 | -3.4% | 0.00% | +33.3% |
| Q1 2023 | $1,808,100 | +30.6% | 48,216 | -2.4% | 0.00% | +50.0% |
| Q4 2022 | $1,384,440 | +0.5% | 49,409 | +0.8% | 0.00% | 0.0% |
| Q3 2022 | $1,378,000 | -20.4% | 49,024 | -1.5% | 0.00% | -33.3% |
| Q2 2022 | $1,731,000 | -0.3% | 49,751 | +2.9% | 0.00% | +50.0% |
| Q1 2022 | $1,736,000 | +42.2% | 48,368 | -7.7% | 0.00% | +100.0% |
| Q4 2021 | $1,221,000 | +26.3% | 52,424 | +3.1% | 0.00% | 0.0% |
| Q3 2021 | $967,000 | -6.1% | 50,866 | -0.5% | 0.00% | 0.0% |
| Q2 2021 | $1,030,000 | +2.3% | 51,101 | -7.0% | 0.00% | 0.0% |
| Q1 2021 | $1,007,000 | -9.2% | 54,945 | -0.4% | 0.00% | -50.0% |
| Q4 2020 | $1,109,000 | +7.3% | 55,143 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $1,034,000 | -15.0% | 55,143 | +1.8% | 0.00% | 0.0% |
| Q2 2020 | $1,217,000 | +51.4% | 54,193 | 0.0% | 0.00% | 0.0% |
| Q1 2020 | $804,000 | -23.3% | 54,193 | -0.2% | 0.00% | 0.0% |
| Q4 2019 | $1,048,000 | -5.5% | 54,321 | -2.8% | 0.00% | 0.0% |
| Q3 2019 | $1,109,000 | -4.9% | 55,912 | +1.2% | 0.00% | 0.0% |
| Q2 2019 | $1,166,000 | +6.0% | 55,244 | +2.6% | 0.00% | 0.0% |
| Q1 2019 | $1,100,000 | -3.0% | 53,838 | -5.5% | 0.00% | -33.3% |
| Q4 2018 | $1,134,000 | +8.3% | 56,973 | +4.7% | 0.00% | +50.0% |
| Q3 2018 | $1,047,000 | +26.1% | 54,411 | -0.0% | 0.00% | 0.0% |
| Q2 2018 | $830,000 | -19.9% | 54,414 | -1.5% | 0.00% | 0.0% |
| Q1 2018 | $1,036,000 | -5.9% | 55,238 | -3.4% | 0.00% | 0.0% |
| Q4 2017 | $1,101,000 | +6.2% | 57,208 | -1.4% | 0.00% | 0.0% |
| Q3 2017 | $1,037,000 | -9.7% | 58,013 | -9.8% | 0.00% | 0.0% |
| Q2 2017 | $1,149,000 | +13.0% | 64,333 | -8.3% | 0.00% | 0.0% |
| Q1 2017 | $1,017,000 | -24.8% | 70,133 | -4.5% | 0.00% | -33.3% |
| Q4 2016 | $1,353,000 | -5.3% | 73,433 | -2.5% | 0.00% | 0.0% |
| Q3 2016 | $1,429,000 | +18.8% | 75,333 | +0.9% | 0.00% | 0.0% |
| Q2 2016 | $1,203,000 | +48.9% | 74,633 | +10.8% | 0.00% | +50.0% |
| Q1 2016 | $808,000 | -3.5% | 67,342 | +14.5% | 0.00% | 0.0% |
| Q4 2015 | $837,000 | +23.8% | 58,831 | +1.7% | 0.00% | 0.0% |
| Q3 2015 | $676,000 | -33.7% | 57,822 | -0.3% | 0.00% | 0.0% |
| Q2 2015 | $1,020,000 | +296.9% | 58,022 | +237.9% | 0.00% | +100.0% |
| Q1 2015 | $257,000 | +29.1% | 17,173 | 0.0% | 0.00% | – |
| Q4 2014 | $199,000 | 0.0% | 17,173 | +0.4% | 0.00% | – |
| Q3 2014 | $199,000 | – | 17,100 | – | 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% |