AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 135 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2016. The put-call ratio across all filers is 1.93 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| 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% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| LAM GROUP, INC. | 130,250 | $3,649,605 | 3.75% |
| SHAKER INVESTMENTS LLC/OH | 81,287 | $2,277,662 | 1.41% |
| Mesirow Institutional Investment Management, Inc. | 374,414 | $10,491,080 | 1.38% |
| OBERWEIS ASSET MANAGEMENT INC/ | 134,000 | $3,754,680 | 0.80% |
| Portolan Capital Management | 270,791 | $7,587,564 | 0.75% |
| Hillsdale Investment Management Inc. | 172,238 | $4,826,109 | 0.41% |
| Capital Impact Advisors, LLC | 14,669 | $411,025 | 0.40% |
| Watershed Asset Management, L.L.C. | 9,555 | $267,731 | 0.34% |
| Quantedge Capital Pte Ltd | 35,153 | $984,987 | 0.33% |
| FEDERATED HERMES, INC. | 3,284,217 | $92,023,760 | 0.25% |