AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 135 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q1 2021 | $1,854,000 | -20.2% | 101,200 | -12.5% | 0.01% | -12.5% |
Q4 2020 | $2,324,000 | +6.1% | 115,600 | -1.0% | 0.02% | +6.7% |
Q3 2020 | $2,190,000 | +225.9% | 116,800 | +290.6% | 0.02% | +200.0% |
Q2 2020 | $672,000 | -80.6% | 29,900 | -83.3% | 0.01% | -79.2% |
Q4 2019 | $3,463,000 | +5.6% | 179,478 | +8.5% | 0.02% | +20.0% |
Q3 2019 | $3,279,000 | -14.4% | 165,378 | -8.8% | 0.02% | -23.1% |
Q2 2019 | $3,829,000 | +189.2% | 181,378 | +179.7% | 0.03% | +160.0% |
Q1 2019 | $1,324,000 | -19.9% | 64,842 | -21.9% | 0.01% | -23.1% |
Q4 2018 | $1,653,000 | -58.1% | 83,042 | -59.5% | 0.01% | -56.7% |
Q3 2018 | $3,946,000 | +10.3% | 205,100 | -12.5% | 0.03% | +20.0% |
Q2 2018 | $3,578,000 | -16.7% | 234,500 | +2.4% | 0.02% | -7.4% |
Q1 2018 | $4,294,000 | – | 229,000 | – | 0.03% | – |
Download |
Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
LAM GROUP, INC. | 130,250 | $4,884,375 | 4.79% |
SHAKER INVESTMENTS LLC/OH | 82,253 | $3,084,488 | 1.72% |
Mesirow Institutional Investment Management, Inc. | 325,669 | $12,212,588 | 1.33% |
Portolan Capital Management | 340,593 | $12,772,238 | 1.22% |
OBERWEIS ASSET MANAGEMENT INC/ | 178,200 | $6,682,500 | 1.04% |
Granite Investment Partners, LLC | 536,821 | $20,130,788 | 0.84% |
Capital Impact Advisors, LLC | 15,304 | $573,900 | 0.70% |
Hillsdale Investment Management Inc. | 155,038 | $5,813,926 | 0.50% |
GLOBEFLEX CAPITAL L P | 89,192 | $3,344,700 | 0.41% |
Jackson Creek Investment Advisors LLC | 25,877 | $970 | 0.41% |