AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 218 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2023. The put-call ratio across all filers is 0.26 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $8,248,760 | +49.3% | 206,219 | +63.9% | 0.01% | +44.4% |
| Q1 2024 | $5,525,415 | +61.2% | 125,835 | +127.1% | 0.01% | +28.6% |
| Q4 2023 | $3,426,737 | -27.2% | 55,404 | -45.9% | 0.01% | -41.7% |
| Q3 2023 | $4,705,881 | +1229.9% | 102,324 | +1561.9% | 0.01% | +1100.0% |
| Q2 2023 | $353,843 | -79.4% | 6,157 | -90.0% | 0.00% | -88.9% |
| Q4 2022 | $1,716,813 | -25.3% | 61,271 | -25.1% | 0.01% | -35.7% |
| Q3 2022 | $2,298,000 | +11.5% | 81,792 | +38.1% | 0.01% | -6.7% |
| Q2 2022 | $2,061,000 | +17.6% | 59,233 | +21.3% | 0.02% | 0.0% |
| Q1 2022 | $1,753,000 | – | 48,824 | – | 0.02% | – |
Download | ||||||
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% |