AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 60 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2015. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $6,144,240 | -29.9% | 153,606 | -23.1% | 0.00% | -50.0% |
| Q1 2024 | $8,766,016 | +27.7% | 199,636 | +79.9% | 0.00% | +100.0% |
| Q4 2023 | $6,864,360 | -49.3% | 110,984 | -62.3% | 0.00% | -66.7% |
| Q3 2023 | $13,542,261 | -17.2% | 294,461 | +3.5% | 0.00% | -25.0% |
| Q2 2023 | $16,354,467 | +96.7% | 284,574 | +28.4% | 0.00% | +100.0% |
| Q1 2023 | $8,312,813 | +11.0% | 221,675 | -17.1% | 0.00% | 0.0% |
| Q4 2022 | $7,488,822 | +152764.3% | 267,267 | +53.3% | 0.00% | +100.0% |
| Q3 2022 | $4,899 | -57.3% | 174,343 | -47.1% | 0.00% | -66.7% |
| Q2 2022 | $11,475 | -99.7% | 329,843 | +183.2% | 0.00% | +200.0% |
| Q1 2022 | $4,181,000 | -69.5% | 116,488 | -80.2% | 0.00% | -66.7% |
| Q4 2021 | $13,714,000 | +25.4% | 588,823 | +2.4% | 0.00% | +50.0% |
| Q3 2021 | $10,935,000 | -35.7% | 575,231 | -31.8% | 0.00% | -50.0% |
| Q2 2021 | $17,017,000 | +29.2% | 844,062 | +17.4% | 0.00% | +33.3% |
| Q1 2021 | $13,170,000 | +18.4% | 718,882 | +30.0% | 0.00% | 0.0% |
| Q4 2020 | $11,119,000 | +10.0% | 552,880 | +2.5% | 0.00% | 0.0% |
| Q3 2020 | $10,109,000 | +3.5% | 539,189 | +24.0% | 0.00% | 0.0% |
| Q2 2020 | $9,764,000 | +15.5% | 434,734 | -23.7% | 0.00% | 0.0% |
| Q1 2020 | $8,451,000 | +1.6% | 569,481 | +32.1% | 0.00% | +50.0% |
| Q4 2019 | $8,318,000 | +98.5% | 431,257 | +104.1% | 0.00% | +100.0% |
| Q3 2019 | $4,190,000 | +315.7% | 211,318 | +342.7% | 0.00% | – |
| Q2 2019 | $1,008,000 | -76.2% | 47,733 | -77.0% | 0.00% | -100.0% |
| Q1 2019 | $4,232,000 | +69.3% | 207,142 | +64.9% | 0.00% | 0.0% |
| Q4 2018 | $2,500,000 | -30.7% | 125,621 | -33.0% | 0.00% | 0.0% |
| Q3 2018 | $3,606,000 | -11.2% | 187,419 | -29.6% | 0.00% | 0.0% |
| Q2 2018 | $4,061,000 | +9.3% | 266,135 | +34.3% | 0.00% | 0.0% |
| Q1 2018 | $3,715,000 | -5.4% | 198,135 | -3.0% | 0.00% | 0.0% |
| Q4 2017 | $3,929,000 | +8.0% | 204,190 | +0.3% | 0.00% | 0.0% |
| Q3 2017 | $3,638,000 | +4.5% | 203,555 | +4.4% | 0.00% | 0.0% |
| Q2 2017 | $3,483,000 | +21.6% | 195,020 | -1.3% | 0.00% | 0.0% |
| Q1 2017 | $2,864,000 | -42.7% | 197,541 | -27.2% | 0.00% | 0.0% |
| Q4 2016 | $4,996,000 | +78.4% | 271,226 | +83.7% | 0.00% | 0.0% |
| Q3 2016 | $2,801,000 | +227.2% | 147,659 | +178.2% | 0.00% | – |
| Q2 2016 | $856,000 | +44.8% | 53,070 | +7.7% | 0.00% | – |
| Q1 2016 | $591,000 | +10.5% | 49,290 | +31.2% | 0.00% | – |
| Q4 2015 | $535,000 | -21.9% | 37,579 | -35.8% | 0.00% | – |
| Q3 2015 | $685,000 | +56.4% | 58,576 | +134.9% | 0.00% | – |
| Q2 2015 | $438,000 | -14.1% | 24,934 | -43.2% | 0.00% | – |
| Q4 2014 | $510,000 | -46.8% | 43,909 | -46.6% | 0.00% | – |
| Q3 2014 | $958,000 | – | 82,223 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Summit Global Investments | 58,640 | $870,000 | 0.13% |
| FEDERATED HERMES, INC. | 2,600,120 | $38,586,000 | 0.11% |
| ROTHSCHILD & CO ASSET MANAGEMENT US INC. | 284,328 | $4,219,000 | 0.07% |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 291,352 | $4,324,000 | 0.05% |
| MARSHALL WACE, LLP | 301,910 | $4,481,000 | 0.04% |
| MARTINGALE ASSET MANAGEMENT L P | 212,817 | $3,159,000 | 0.04% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 171,266 | $2,542,000 | 0.03% |
| WINTON GROUP Ltd | 82,402 | $1,223,000 | 0.03% |
| EAGLE ASSET MANAGEMENT INC | 317,988 | $4,718,000 | 0.03% |
| Engineers Gate Manager LP | 24,007 | $356,000 | 0.03% |