AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 138 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q1 2023 | $1,321,238 | +14.9% | 35,233 | -14.2% | 0.23% | +17.1% |
Q4 2022 | $1,150,109 | -0.3% | 41,046 | 0.0% | 0.20% | -8.7% |
Q3 2022 | $1,153,000 | +10.1% | 41,046 | +36.3% | 0.22% | +19.8% |
Q2 2022 | $1,047,000 | -37.9% | 30,107 | -35.9% | 0.18% | -3.7% |
Q1 2022 | $1,687,000 | +22.8% | 46,995 | -20.3% | 0.19% | -5.0% |
Q4 2021 | $1,374,000 | +25.4% | 58,975 | +2.3% | 0.20% | +59.2% |
Q3 2021 | $1,096,000 | -16.3% | 57,649 | -11.2% | 0.12% | -13.8% |
Q2 2021 | $1,309,000 | +30.5% | 64,924 | +18.6% | 0.14% | +29.5% |
Q1 2021 | $1,003,000 | +157.2% | 54,751 | +163.4% | 0.11% | +103.6% |
Q3 2020 | $390,000 | – | 20,790 | – | 0.06% | – |
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Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
LAM GROUP, INC. | 130,250 | $4,884,375 | 4.79% |
SHAKER INVESTMENTS LLC/OH | 82,253 | $3,084,488 | 1.72% |
Mesirow Institutional Investment Management, Inc. | 325,669 | $12,212,588 | 1.33% |
Portolan Capital Management | 340,593 | $12,772,238 | 1.22% |
OBERWEIS ASSET MANAGEMENT INC/ | 178,200 | $6,682,500 | 1.04% |
Granite Investment Partners, LLC | 536,821 | $20,130,788 | 0.84% |
Capital Impact Advisors, LLC | 15,304 | $573,900 | 0.70% |
Hillsdale Investment Management Inc. | 155,038 | $5,813,926 | 0.50% |
GLOBEFLEX CAPITAL L P | 89,192 | $3,344,700 | 0.41% |
Jackson Creek Investment Advisors LLC | 25,877 | $970 | 0.41% |