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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $25,517,552 | +15.9% | 554,850 | +44.8% | 0.15% | +18.9% |
| Q2 2023 | $22,022,964 | +364.7% | 383,208 | +203.2% | 0.13% | +337.9% |
| Q1 2023 | $4,739,288 | -11.3% | 126,381 | -33.7% | 0.03% | -19.4% |
| Q4 2022 | $5,342,630 | +1.1% | 190,672 | +1.4% | 0.04% | -14.3% |
| Q3 2022 | $5,284,000 | -18.8% | 188,039 | +0.5% | 0.04% | -16.0% |
| Q2 2022 | $6,510,000 | +61.2% | 187,129 | +66.3% | 0.05% | +85.2% |
| Q1 2022 | $4,039,000 | -7.4% | 112,516 | -39.9% | 0.03% | -6.9% |
| Q4 2021 | $4,363,000 | +14.1% | 187,329 | -6.9% | 0.03% | +11.5% |
| Q3 2021 | $3,823,000 | -0.2% | 201,128 | +5.8% | 0.03% | 0.0% |
| Q2 2021 | $3,832,000 | +68.4% | 190,077 | +53.0% | 0.03% | +44.4% |
| Q1 2021 | $2,276,000 | -15.6% | 124,230 | -7.4% | 0.02% | -25.0% |
| Q4 2020 | $2,697,000 | -11.7% | 134,116 | -17.7% | 0.02% | -25.0% |
| Q3 2020 | $3,055,000 | -21.6% | 162,927 | -6.1% | 0.03% | -23.8% |
| Q2 2020 | $3,898,000 | +53.3% | 173,572 | +1.3% | 0.04% | +27.3% |
| Q1 2020 | $2,542,000 | -26.6% | 171,266 | -4.6% | 0.03% | -2.9% |
| Q4 2019 | $3,465,000 | -1.5% | 179,605 | +1.3% | 0.03% | -20.9% |
| Q3 2019 | $3,516,000 | +144.5% | 177,321 | +160.3% | 0.04% | +115.0% |
| Q2 2019 | $1,438,000 | -3.5% | 68,132 | -6.6% | 0.02% | -9.1% |
| Q1 2019 | $1,490,000 | +111.9% | 72,953 | +106.5% | 0.02% | +83.3% |
| Q4 2018 | $703,000 | +3.4% | 35,325 | 0.0% | 0.01% | +20.0% |
| Q3 2018 | $680,000 | – | 35,325 | – | 0.01% | – |
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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% |