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 | $67,121,991 | -16.2% | 1,459,491 | +4.7% | 0.00% | 0.0% |
| Q2 2023 | $80,142,145 | +57.2% | 1,394,504 | +2.6% | 0.00% | +33.3% |
| Q1 2023 | $50,981,063 | -33.0% | 1,359,495 | -50.0% | 0.00% | +50.0% |
| Q4 2022 | $76,130,900 | +76.6% | 2,717,020 | +77.1% | 0.00% | -33.3% |
| Q3 2022 | $43,100,000 | -19.6% | 1,533,793 | -0.5% | 0.00% | 0.0% |
| Q2 2022 | $53,606,000 | +13.0% | 1,540,846 | +16.6% | 0.00% | +50.0% |
| Q1 2022 | $47,458,000 | +41.6% | 1,321,951 | -8.1% | 0.00% | 0.0% |
| Q4 2021 | $33,519,000 | +20.7% | 1,439,207 | -1.4% | 0.00% | +100.0% |
| Q3 2021 | $27,761,000 | -4.4% | 1,460,335 | +1.4% | 0.00% | -50.0% |
| Q2 2021 | $29,029,000 | +12.8% | 1,439,931 | +2.5% | 0.00% | +100.0% |
| Q1 2021 | $25,739,000 | -0.3% | 1,404,953 | +9.5% | 0.00% | -50.0% |
| Q4 2020 | $25,804,000 | +6.6% | 1,283,164 | -0.6% | 0.00% | 0.0% |
| Q3 2020 | $24,197,000 | -14.5% | 1,290,490 | +2.4% | 0.00% | 0.0% |
| Q2 2020 | $28,304,000 | +59.3% | 1,260,218 | +5.3% | 0.00% | 0.0% |
| Q1 2020 | $17,768,000 | -17.1% | 1,197,293 | +7.8% | 0.00% | +100.0% |
| Q4 2019 | $21,422,000 | +1.2% | 1,110,501 | +4.0% | 0.00% | -50.0% |
| Q3 2019 | $21,178,000 | -8.1% | 1,067,962 | -2.2% | 0.00% | 0.0% |
| Q2 2019 | $23,050,000 | +6.3% | 1,091,905 | +2.9% | 0.00% | 0.0% |
| Q1 2019 | $21,682,000 | +7.0% | 1,061,284 | +4.3% | 0.00% | 0.0% |
| Q4 2018 | $20,257,000 | +0.3% | 1,017,941 | -3.0% | 0.00% | 0.0% |
| Q3 2018 | $20,189,000 | +31.5% | 1,049,056 | +4.3% | 0.00% | +100.0% |
| Q2 2018 | $15,348,000 | -17.1% | 1,005,888 | +1.8% | 0.00% | -50.0% |
| Q1 2018 | $18,524,000 | -1.2% | 987,884 | +1.4% | 0.00% | 0.0% |
| Q4 2017 | $18,743,000 | +10.1% | 974,179 | +2.3% | 0.00% | +100.0% |
| Q3 2017 | $17,026,000 | -1.6% | 952,638 | -1.7% | 0.00% | -50.0% |
| Q2 2017 | $17,306,000 | +12.3% | 969,128 | -8.8% | 0.00% | +100.0% |
| Q1 2017 | $15,406,000 | -12.5% | 1,062,439 | +11.1% | 0.00% | -50.0% |
| Q4 2016 | $17,610,000 | +3.1% | 955,991 | +6.2% | 0.00% | 0.0% |
| Q3 2016 | $17,075,000 | +71.4% | 900,303 | +45.7% | 0.00% | +100.0% |
| Q2 2016 | $9,960,000 | +25.3% | 617,815 | -6.8% | 0.00% | 0.0% |
| Q1 2016 | $7,949,000 | -12.5% | 662,582 | +3.8% | 0.00% | 0.0% |
| Q4 2015 | $9,087,000 | +61.9% | 638,377 | +33.0% | 0.00% | 0.0% |
| Q3 2015 | $5,613,000 | -12.4% | 480,037 | +31.6% | 0.00% | 0.0% |
| Q2 2015 | $6,411,000 | +333.5% | 364,671 | +268.4% | 0.00% | – |
| Q1 2015 | $1,479,000 | +71.2% | 99,001 | +33.1% | 0.00% | – |
| Q4 2014 | $864,000 | +13.5% | 74,400 | +13.8% | 0.00% | – |
| Q3 2014 | $761,000 | – | 65,400 | – | 0.00% | – |
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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% |