AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 267 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2024. The put-call ratio across all filers is 1.01 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $1,014,400 | -2.9% | 25,360 | +6.6% | 0.00% | – |
| Q1 2024 | $1,044,926 | -26.8% | 23,797 | +3.1% | 0.00% | -100.0% |
| Q4 2023 | $1,426,941 | +83.3% | 23,071 | +36.3% | 0.00% | – |
| Q3 2023 | $778,389 | +43.2% | 16,925 | +79.0% | 0.00% | – |
| Q2 2023 | $543,494 | +59.7% | 9,457 | +4.2% | 0.00% | – |
| Q1 2023 | $340,388 | +61.3% | 9,077 | +50.0% | 0.00% | – |
| Q2 2022 | $211,000 | -11.3% | 6,053 | -8.6% | 0.00% | – |
| Q1 2022 | $238,000 | +4660.0% | 6,621 | +2527.4% | 0.00% | – |
| Q2 2017 | $5,000 | +25.0% | 252 | -6.7% | 0.00% | – |
| Q1 2017 | $4,000 | 0.0% | 270 | +39.9% | 0.00% | – |
| Q4 2016 | $4,000 | -97.4% | 193 | -98.0% | 0.00% | -100.0% |
| Q2 2016 | $155,000 | +34.8% | 9,622 | 0.0% | 0.00% | – |
| Q1 2016 | $115,000 | – | 9,622 | – | 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% |