AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 204 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2022. The put-call ratio across all filers is 16.41 and the average weighting 0.1%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $1,221,311 | +243.5% | 26,556 | +329.3% | 0.00% | +100.0% |
Q2 2023 | $355,506 | -34.3% | 6,186 | -57.1% | 0.00% | 0.0% |
Q1 2023 | $540,840 | -24.9% | 14,422 | -43.7% | 0.00% | -50.0% |
Q3 2022 | $720,000 | -66.0% | 25,632 | -57.7% | 0.00% | -60.0% |
Q2 2022 | $2,115,000 | +46.3% | 60,625 | +51.2% | 0.01% | +66.7% |
Q1 2022 | $1,446,000 | +30.4% | 40,107 | -27.3% | 0.00% | 0.0% |
Q4 2020 | $1,109,000 | -34.0% | 55,158 | -38.5% | 0.00% | -40.0% |
Q3 2020 | $1,681,000 | +6.8% | 89,658 | +27.9% | 0.01% | 0.0% |
Q2 2020 | $1,574,000 | +43.2% | 70,094 | -5.3% | 0.01% | +25.0% |
Q1 2020 | $1,099,000 | -30.4% | 74,049 | -9.5% | 0.00% | -20.0% |
Q4 2019 | $1,578,000 | -5.8% | 81,823 | -3.1% | 0.01% | +25.0% |
Q3 2019 | $1,675,000 | -6.1% | 84,483 | 0.0% | 0.00% | -33.3% |
Q2 2019 | $1,783,000 | +40.1% | 84,483 | +35.6% | 0.01% | +50.0% |
Q1 2019 | $1,273,000 | -35.4% | 62,295 | -38.5% | 0.00% | -42.9% |
Q4 2018 | $1,972,000 | +50.9% | 101,341 | +49.2% | 0.01% | +40.0% |
Q3 2018 | $1,307,000 | +26.0% | 67,934 | 0.0% | 0.01% | +25.0% |
Q2 2018 | $1,037,000 | -14.5% | 67,934 | +4.9% | 0.00% | -20.0% |
Q1 2018 | $1,213,000 | -6.1% | 64,741 | -3.6% | 0.01% | +25.0% |
Q4 2017 | $1,292,000 | +0.1% | 67,175 | -7.0% | 0.00% | -20.0% |
Q3 2017 | $1,291,000 | +0.1% | 72,251 | 0.0% | 0.01% | 0.0% |
Q2 2017 | $1,290,000 | -13.7% | 72,251 | -29.9% | 0.01% | -28.6% |
Q1 2017 | $1,495,000 | +14850.0% | 103,074 | +20071.0% | 0.01% | – |
Q4 2016 | $10,000 | +25.0% | 511 | +27.8% | 0.00% | – |
Q3 2016 | $8,000 | – | 400 | – | 0.00% | – |
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% |