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 | $2,892,771 | -33.4% | 62,900 | -16.8% | 0.01% | -28.6% |
Q2 2023 | $4,344,732 | -23.7% | 75,600 | -50.2% | 0.01% | -30.0% |
Q1 2023 | $5,694,563 | +36.0% | 151,855 | +1.6% | 0.02% | +33.3% |
Q4 2022 | $4,186,356 | -49.1% | 149,406 | -48.9% | 0.02% | -6.2% |
Q3 2022 | $8,220,047 | +47.9% | 292,530 | +83.1% | 0.02% | +60.0% |
Q2 2022 | $5,556,643 | – | 159,738 | – | 0.01% | – |
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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% |