AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 221 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2022. The put-call ratio across all filers is 12.07 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $18,884,829 | -41.4% | 410,629 | -26.8% | 0.01% | -37.5% |
| Q2 2023 | $32,221,934 | +45.0% | 560,674 | -5.4% | 0.01% | +33.3% |
| Q1 2023 | $22,228,839 | +22.8% | 592,769 | -8.2% | 0.01% | +20.0% |
| Q4 2022 | $18,099,772 | +9.5% | 645,959 | +9.9% | 0.01% | 0.0% |
| Q3 2022 | $16,522,000 | -6.9% | 587,943 | +15.3% | 0.01% | 0.0% |
| Q2 2022 | $17,744,000 | -32.6% | 510,047 | -30.5% | 0.01% | -28.6% |
| Q1 2022 | $26,344,000 | +62.3% | 733,842 | +5.3% | 0.01% | +75.0% |
| Q4 2021 | $16,230,000 | +19.5% | 696,889 | -2.4% | 0.00% | +33.3% |
| Q3 2021 | $13,579,000 | -14.6% | 714,319 | -9.4% | 0.00% | -25.0% |
| Q2 2021 | $15,895,000 | -7.1% | 788,414 | -15.6% | 0.00% | -20.0% |
| Q1 2021 | $17,104,000 | -39.0% | 933,646 | -33.1% | 0.01% | -37.5% |
| Q4 2020 | $28,055,000 | +10.8% | 1,395,047 | +3.3% | 0.01% | -11.1% |
| Q3 2020 | $25,320,000 | -11.2% | 1,350,417 | +6.4% | 0.01% | -10.0% |
| Q2 2020 | $28,499,000 | +158.8% | 1,268,877 | +71.0% | 0.01% | +100.0% |
| Q1 2020 | $11,013,000 | -48.1% | 742,147 | -32.6% | 0.01% | -28.6% |
| Q4 2019 | $21,238,000 | +58.7% | 1,100,992 | +63.1% | 0.01% | +75.0% |
| Q3 2019 | $13,385,000 | +126.5% | 674,980 | +141.1% | 0.00% | +100.0% |
| Q2 2019 | $5,909,000 | -66.6% | 279,907 | -67.7% | 0.00% | -66.7% |
| Q1 2019 | $17,708,000 | -20.0% | 866,785 | -22.1% | 0.01% | -25.0% |
| Q4 2018 | $22,146,000 | +127.7% | 1,112,867 | +120.2% | 0.01% | +166.7% |
| Q3 2018 | $9,725,000 | +106.6% | 505,438 | +63.9% | 0.00% | +50.0% |
| Q2 2018 | $4,707,000 | -74.9% | 308,474 | -69.2% | 0.00% | -71.4% |
| Q1 2018 | $18,765,000 | -3.5% | 1,000,797 | -1.0% | 0.01% | 0.0% |
| Q4 2017 | $19,447,000 | -18.6% | 1,010,740 | -24.4% | 0.01% | -22.2% |
| Q3 2017 | $23,880,000 | +0.4% | 1,336,330 | +0.4% | 0.01% | +28.6% |
| Q2 2017 | $23,782,000 | +732.4% | 1,331,600 | +575.9% | 0.01% | +600.0% |
| Q1 2017 | $2,857,000 | +8.3% | 197,020 | +37.5% | 0.00% | 0.0% |
| Q4 2016 | $2,639,000 | -12.9% | 143,289 | -10.3% | 0.00% | 0.0% |
| Q3 2016 | $3,030,000 | +835.2% | 159,753 | +695.2% | 0.00% | – |
| Q2 2016 | $324,000 | +26.1% | 20,089 | -6.4% | 0.00% | – |
| Q1 2016 | $257,000 | +5040.0% | 21,453 | +6887.9% | 0.00% | – |
| Q2 2015 | $5,000 | – | 307 | – | 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% |