AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 250 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2023. The put-call ratio across all filers is 1.02 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $15,700,371 | -18.9% | 338,443 | -0.1% | 0.02% | -15.4% |
| Q2 2023 | $19,351,799 | +54.6% | 338,792 | +2.6% | 0.03% | +44.4% |
| Q1 2023 | $12,520,026 | +32.0% | 330,213 | -2.1% | 0.02% | +20.0% |
| Q4 2022 | $9,485,073 | -6.2% | 337,427 | -2.3% | 0.02% | -6.2% |
| Q3 2022 | $10,116,000 | -14.7% | 345,378 | -0.4% | 0.02% | -11.1% |
| Q2 2022 | $11,863,000 | +13.8% | 346,781 | +21.9% | 0.02% | +38.5% |
| Q1 2022 | $10,426,000 | +61.6% | 284,391 | +4.0% | 0.01% | +62.5% |
| Q4 2021 | $6,451,000 | +19.9% | 273,460 | -1.6% | 0.01% | +14.3% |
| Q3 2021 | $5,381,000 | -5.1% | 277,822 | -1.2% | 0.01% | -12.5% |
| Q2 2021 | $5,668,000 | +23.3% | 281,168 | +10.5% | 0.01% | +14.3% |
| Q1 2021 | $4,598,000 | -12.3% | 254,470 | -2.3% | 0.01% | -12.5% |
| Q4 2020 | $5,240,000 | +5.3% | 260,573 | -2.2% | 0.01% | -11.1% |
| Q3 2020 | $4,974,000 | -57.7% | 266,434 | -49.6% | 0.01% | -25.0% |
| Q2 2020 | $11,760,000 | +192.2% | 528,498 | +98.9% | 0.01% | +20.0% |
| Q1 2020 | $4,025,000 | -17.0% | 265,698 | +5.9% | 0.01% | 0.0% |
| Q4 2019 | $4,847,000 | -4.7% | 250,892 | +0.2% | 0.01% | -9.1% |
| Q3 2019 | $5,087,000 | -1.0% | 250,329 | +2.8% | 0.01% | 0.0% |
| Q2 2019 | $5,140,000 | -1.0% | 243,476 | -4.2% | 0.01% | 0.0% |
| Q1 2019 | $5,192,000 | -65.2% | 254,071 | -66.1% | 0.01% | -8.3% |
| Q4 2018 | $14,910,000 | +62.0% | 749,184 | +56.6% | 0.01% | +20.0% |
| Q3 2018 | $9,202,000 | +246.6% | 478,318 | +174.9% | 0.01% | +66.7% |
| Q2 2018 | $2,655,000 | -15.6% | 173,999 | +3.8% | 0.01% | -25.0% |
| Q1 2018 | $3,144,000 | +25.6% | 167,671 | +28.9% | 0.01% | +33.3% |
| Q4 2017 | $2,503,000 | +8.5% | 130,077 | +0.8% | 0.01% | 0.0% |
| Q3 2017 | $2,306,000 | +11.7% | 129,046 | +11.6% | 0.01% | +20.0% |
| Q2 2017 | $2,065,000 | +39.0% | 115,607 | +12.8% | 0.01% | +25.0% |
| Q1 2017 | $1,486,000 | – | 102,486 | – | 0.00% | – |
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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% |