AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 130 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $58,647,069 | -20.2% | 1,275,214 | -0.3% | 0.34% | -19.4% |
Q2 2023 | $73,532,553 | +141.6% | 1,279,495 | +57.6% | 0.42% | +137.5% |
Q1 2023 | $30,438,525 | +217131.8% | 811,694 | +62.3% | 0.18% | +97.8% |
Q4 2022 | $14,012 | -99.9% | 500,065 | -30.1% | 0.09% | -38.6% |
Q3 2022 | $20,097,000 | -20.5% | 715,181 | -1.6% | 0.14% | -16.7% |
Q2 2022 | $25,275,000 | +14.5% | 726,516 | +18.2% | 0.17% | +32.8% |
Q1 2022 | $22,073,000 | +55.0% | 614,855 | +0.6% | 0.13% | +57.8% |
Q4 2021 | $14,241,000 | +86.8% | 611,462 | +52.4% | 0.08% | +69.4% |
Q3 2021 | $7,625,000 | -5.3% | 401,100 | +0.4% | 0.05% | -5.8% |
Q2 2021 | $8,053,000 | +10.5% | 399,445 | +0.4% | 0.05% | +2.0% |
Q1 2021 | $7,290,000 | -33.6% | 397,950 | -27.2% | 0.05% | -50.0% |
Q4 2020 | $10,987,000 | -28.3% | 546,344 | -33.2% | 0.10% | -47.4% |
Q3 2020 | $15,328,000 | -16.3% | 817,515 | +0.3% | 0.19% | -19.2% |
Q2 2020 | $18,308,000 | – | 815,129 | – | 0.24% | – |
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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% |