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 | $378,728 | -33.2% | 8,235 | -16.5% | 0.03% | -34.0% |
Q2 2023 | $566,597 | -41.4% | 9,859 | -61.8% | 0.05% | -20.3% |
Q1 2023 | $967,013 | +9.2% | 25,787 | -18.4% | 0.06% | +1.7% |
Q4 2022 | $885,936 | +19.6% | 31,618 | +20.0% | 0.06% | +20.8% |
Q3 2022 | $741,000 | -28.1% | 26,353 | -11.1% | 0.05% | -12.7% |
Q2 2022 | $1,031,000 | +71.8% | 29,641 | +77.3% | 0.06% | +77.4% |
Q1 2022 | $600,000 | -29.0% | 16,721 | -53.9% | 0.03% | -39.2% |
Q4 2021 | $845,000 | -23.8% | 36,295 | -37.8% | 0.05% | -17.7% |
Q3 2021 | $1,109,000 | +2.3% | 58,326 | +8.5% | 0.06% | +6.9% |
Q2 2021 | $1,084,000 | +18.9% | 53,752 | +8.0% | 0.06% | +11.5% |
Q1 2021 | $912,000 | -3.9% | 49,766 | +5.5% | 0.05% | -24.6% |
Q4 2020 | $949,000 | -48.0% | 47,185 | -51.5% | 0.07% | +16.9% |
Q3 2020 | $1,824,000 | -59.0% | 97,255 | -51.0% | 0.06% | -48.7% |
Q2 2020 | $4,454,000 | +264.2% | 198,320 | +140.7% | 0.12% | +259.4% |
Q1 2020 | $1,223,000 | -31.6% | 82,402 | -11.1% | 0.03% | +28.0% |
Q4 2019 | $1,788,000 | +473.1% | 92,678 | +489.4% | 0.02% | +525.0% |
Q3 2019 | $312,000 | +29.5% | 15,724 | +33.5% | 0.00% | -20.0% |
Q1 2019 | $241,000 | – | 11,781 | – | 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% |