AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 134 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2019. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $4,524,000 | -1.1% | 224,946 | -7.8% | 0.06% | -29.3% |
| Q3 2020 | $4,573,000 | -28.6% | 243,909 | -14.5% | 0.08% | -12.8% |
| Q2 2020 | $6,409,000 | +51.9% | 285,345 | +0.4% | 0.09% | +42.4% |
| Q1 2020 | $4,219,000 | -34.5% | 284,328 | -14.8% | 0.07% | -1.5% |
| Q4 2019 | $6,439,000 | -6.5% | 333,789 | -3.9% | 0.07% | -10.7% |
| Q3 2019 | $6,887,000 | -6.1% | 347,307 | -0.1% | 0.08% | -3.8% |
| Q2 2019 | $7,336,000 | +14.5% | 347,523 | +10.8% | 0.08% | +13.0% |
| Q1 2019 | $6,406,000 | -4.2% | 313,566 | -6.7% | 0.07% | -14.8% |
| Q4 2018 | $6,685,000 | +7.8% | 335,930 | +4.3% | 0.08% | +26.6% |
| Q3 2018 | $6,199,000 | +23.5% | 322,173 | -2.0% | 0.06% | +18.5% |
| Q2 2018 | $5,018,000 | -15.2% | 328,841 | +4.2% | 0.05% | -18.2% |
| Q1 2018 | $5,919,000 | -5.7% | 315,684 | -3.3% | 0.07% | 0.0% |
| Q4 2017 | $6,279,000 | -0.8% | 326,337 | -7.8% | 0.07% | -5.7% |
| Q3 2017 | $6,327,000 | -1.8% | 354,053 | -1.8% | 0.07% | -4.1% |
| Q2 2017 | $6,440,000 | -28.9% | 360,580 | -42.3% | 0.07% | -29.8% |
| Q1 2017 | $9,056,000 | – | 624,554 | – | 0.10% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Alambic Investment Management, L.P. | 29,423 | $583,000 | 0.44% |
| Matarin Capital Management, LLC | 223,184 | $4,426,000 | 0.34% |
| Summit Global Investments | 42,725 | $847,000 | 0.10% |
| FEDERATED HERMES, INC. | 1,747,921 | $34,661,000 | 0.08% |
| ROTHSCHILD & CO ASSET MANAGEMENT US INC. | 347,307 | $6,887,000 | 0.08% |
| MARSHALL WACE, LLP | 413,293 | $8,196,000 | 0.06% |
| BOSTON ADVISORS LLC | 42,365 | $840,000 | 0.04% |
| MARTINGALE ASSET MANAGEMENT L P | 214,444 | $4,254,000 | 0.04% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 177,321 | $3,516,000 | 0.04% |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 231,041 | $4,582,000 | 0.04% |