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 | $36,930 | -21.8% | 803 | -2.3% | 0.00% | -20.0% |
Q2 2023 | $47,241 | +55.1% | 822 | +1.2% | 0.01% | +66.7% |
Q1 2023 | $30,450 | +261.0% | 812 | +169.8% | 0.00% | +200.0% |
Q4 2022 | $8,434 | -23.3% | 301 | -25.5% | 0.00% | 0.0% |
Q3 2022 | $11,000 | +37.5% | 404 | +78.0% | 0.00% | 0.0% |
Q2 2022 | $8,000 | -42.9% | 227 | -42.4% | 0.00% | -50.0% |
Q1 2022 | $14,000 | +133.3% | 394 | +60.8% | 0.00% | +100.0% |
Q4 2021 | $6,000 | -14.3% | 245 | -31.2% | 0.00% | 0.0% |
Q3 2021 | $7,000 | +250.0% | 356 | +229.6% | 0.00% | – |
Q2 2021 | $2,000 | 0.0% | 108 | -8.5% | 0.00% | – |
Q1 2021 | $2,000 | +100.0% | 118 | +114.5% | 0.00% | – |
Q4 2020 | $1,000 | 0.0% | 55 | 0.0% | 0.00% | – |
Q3 2020 | $1,000 | 0.0% | 55 | 0.0% | 0.00% | – |
Q2 2020 | $1,000 | 0.0% | 55 | 0.0% | 0.00% | – |
Q1 2020 | $1,000 | -98.1% | 55 | -97.9% | 0.00% | -100.0% |
Q2 2019 | $54,000 | +1.9% | 2,636 | 0.0% | 0.01% | 0.0% |
Q1 2019 | $53,000 | – | 2,636 | – | 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% |