AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 206 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2022. The put-call ratio across all filers is 0.50 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,733,868 | -56.6% | 37,701 | -45.8% | 0.01% | -54.5% |
| Q2 2023 | $3,999,279 | -65.2% | 69,589 | -77.3% | 0.02% | -67.2% |
| Q1 2023 | $11,503,000 | +35.6% | 306,770 | +2.0% | 0.07% | +28.8% |
| Q4 2022 | $8,484,000 | -2.7% | 300,873 | -3.0% | 0.05% | -8.8% |
| Q3 2022 | $8,718,000 | +10.2% | 310,255 | +36.4% | 0.06% | +14.0% |
| Q2 2022 | $7,913,000 | +24.3% | 227,459 | +28.3% | 0.05% | +51.5% |
| Q1 2022 | $6,366,000 | +9.3% | 177,339 | -29.5% | 0.03% | +26.9% |
| Q4 2021 | $5,822,000 | +7.6% | 251,616 | -11.6% | 0.03% | +8.3% |
| Q3 2021 | $5,410,000 | -11.9% | 284,618 | -6.5% | 0.02% | -7.7% |
| Q2 2021 | $6,138,000 | +9.3% | 304,474 | -1.9% | 0.03% | +4.0% |
| Q1 2021 | $5,616,000 | -10.6% | 310,459 | -0.6% | 0.02% | -28.6% |
| Q4 2020 | $6,282,000 | +18.6% | 312,423 | +9.9% | 0.04% | +29.6% |
| Q3 2020 | $5,295,000 | -20.5% | 284,244 | -5.6% | 0.03% | -28.9% |
| Q2 2020 | $6,662,000 | +41.2% | 301,218 | -5.3% | 0.04% | +31.0% |
| Q1 2020 | $4,718,000 | -13.9% | 317,988 | +11.9% | 0.03% | +11.5% |
| Q4 2019 | $5,482,000 | – | 284,236 | – | 0.03% | – |
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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% |