AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 4 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q4 2023. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $53,578 | -18.4% | 1,165 | +2.0% | 0.00% | 0.0% |
Q2 2023 | $65,631 | +87408.0% | 1,142 | -42.8% | 0.00% | 0.0% |
Q1 2023 | $75 | +316.7% | 1,998 | +206.9% | 0.00% | +100.0% |
Q4 2022 | $18 | -100.0% | 651 | -87.3% | 0.00% | -50.0% |
Q3 2022 | $144,000 | +97.3% | 5,143 | +145.0% | 0.00% | 0.0% |
Q2 2022 | $73,000 | -80.3% | 2,099 | -79.6% | 0.00% | -50.0% |
Q1 2022 | $370,000 | +1380.0% | 10,283 | +846.0% | 0.00% | – |
Q4 2021 | $25,000 | -70.6% | 1,087 | -75.7% | 0.00% | -100.0% |
Q3 2021 | $85,000 | +84.8% | 4,467 | +97.5% | 0.00% | +100.0% |
Q2 2021 | $46,000 | +9.5% | 2,262 | -2.1% | 0.00% | 0.0% |
Q1 2021 | $42,000 | +100.0% | 2,310 | +122.8% | 0.00% | 0.0% |
Q4 2020 | $21,000 | -92.1% | 1,037 | -92.7% | 0.00% | -66.7% |
Q3 2020 | $266,000 | +202.3% | 14,162 | +260.4% | 0.00% | -25.0% |
Q2 2020 | $88,000 | +780.0% | 3,929 | +678.0% | 0.00% | +300.0% |
Q1 2019 | $10,000 | -75.0% | 505 | -80.9% | 0.00% | -50.0% |
Q2 2018 | $40,000 | -20.0% | 2,642 | -0.6% | 0.00% | -50.0% |
Q1 2018 | $50,000 | -63.2% | 2,658 | -65.1% | 0.00% | -63.6% |
Q3 2017 | $136,000 | +267.6% | 7,623 | +198.0% | 0.01% | +175.0% |
Q1 2017 | $37,000 | +37.0% | 2,558 | +75.7% | 0.00% | +33.3% |
Q4 2016 | $27,000 | +50.0% | 1,456 | +29.7% | 0.00% | +50.0% |
Q2 2016 | $18,000 | +80.0% | 1,123 | +40.4% | 0.00% | +100.0% |
Q1 2016 | $10,000 | -80.8% | 800 | -73.0% | 0.00% | -80.0% |
Q2 2015 | $52,000 | +420.0% | 2,960 | +239.4% | 0.01% | +400.0% |
Q4 2014 | $10,000 | -81.8% | 872 | -81.7% | 0.00% | -83.3% |
Q3 2014 | $55,000 | – | 4,760 | – | 0.01% | – |
Download |
Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
LAM GROUP, INC. | 128,000 | $5,886,720 | 5.78% |
Beacon Harbor Wealth Advisors, Inc. | 103,095 | $4,741 | 1.58% |
Capital Impact Advisors, LLC | 15,304 | $703,831 | 1.18% |
Quantedge Capital Pte Ltd | 36,389 | $1,673,530 | 0.91% |
Mesirow Institutional Investment Management, Inc. | 183,805 | $8,453,192 | 0.86% |
Monashee Investment Management LLC | 39,461 | $1,814,811 | 0.76% |
OBERWEIS ASSET MANAGEMENT INC/ | 152,500 | $7,013,475 | 0.74% |
Granite Investment Partners, LLC | 330,911 | $15,218,597 | 0.64% |
Portolan Capital Management | 132,850 | $6,109,772 | 0.57% |
SHAKER INVESTMENTS LLC/OH | 20,795 | $956,362 | 0.53% |