AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 167 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q4 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $1,733,868 | -56.6% | 37,701 | -45.8% | 0.01% | -54.5% |
Q2 2023 | $3,999,279 | -65.2% | 69,589 | -77.3% | 0.02% | -67.2% |
Q1 2023 | $11,503,000 | +35.6% | 306,770 | +2.0% | 0.07% | +28.8% |
Q4 2022 | $8,484,000 | -2.7% | 300,873 | -3.0% | 0.05% | -8.8% |
Q3 2022 | $8,718,000 | +10.2% | 310,255 | +36.4% | 0.06% | +14.0% |
Q2 2022 | $7,913,000 | +24.3% | 227,459 | +28.3% | 0.05% | +51.5% |
Q1 2022 | $6,366,000 | +9.3% | 177,339 | -29.5% | 0.03% | +26.9% |
Q4 2021 | $5,822,000 | +7.6% | 251,616 | -11.6% | 0.03% | +8.3% |
Q3 2021 | $5,410,000 | -11.9% | 284,618 | -6.5% | 0.02% | -7.7% |
Q2 2021 | $6,138,000 | +9.3% | 304,474 | -1.9% | 0.03% | +4.0% |
Q1 2021 | $5,616,000 | -10.6% | 310,459 | -0.6% | 0.02% | -28.6% |
Q4 2020 | $6,282,000 | +18.6% | 312,423 | +9.9% | 0.04% | +29.6% |
Q3 2020 | $5,295,000 | -20.5% | 284,244 | -5.6% | 0.03% | -28.9% |
Q2 2020 | $6,662,000 | +41.2% | 301,218 | -5.3% | 0.04% | +31.0% |
Q1 2020 | $4,718,000 | -13.9% | 317,988 | +11.9% | 0.03% | +11.5% |
Q4 2019 | $5,482,000 | – | 284,236 | – | 0.03% | – |
Download |
Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
EAM Investors, LLC | 173,018 | $3,187,000 | 0.42% |
GLOBEFLEX CAPITAL L P | 50,686 | $934,000 | 0.23% |
KALMAR INVESTMENTS INC /DE/ | 240,648 | $4,433,000 | 0.23% |
ESSEX INVESTMENT MANAGEMENT CO LLC | 63,661 | $1,173,000 | 0.19% |
OBERWEIS ASSET MANAGEMENT INC/ | 27,200 | $501,000 | 0.15% |
Invictus RG | 11,950 | $220,000 | 0.15% |
ACADIAN ASSET MANAGEMENT LLC | 1,502,151 | $27,668,000 | 0.13% |
FOX RUN MANAGEMENT, L.L.C. | 12,600 | $232,000 | 0.12% |
Piermont Capital Management Inc. | 26,153 | $482,000 | 0.11% |
FEDERATED HERMES, INC. | 1,344,684 | $24,769,000 | 0.07% |