AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 241 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2023. The put-call ratio across all filers is 0.69 and the average weighting 0.1%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $1,298 | -22.4% | 28,230 | -3.0% | 0.00% | 0.0% |
Q2 2023 | $1,672 | -40.0% | 29,099 | -60.8% | 0.00% | -50.0% |
Q1 2023 | $2,785 | -40.1% | 74,274 | -55.3% | 0.00% | -42.9% |
Q4 2022 | $4,652 | -99.9% | 166,040 | -17.4% | 0.01% | -12.5% |
Q3 2022 | $5,650,000 | -46.7% | 201,065 | -34.0% | 0.01% | -46.7% |
Q2 2022 | $10,600,000 | -24.6% | 304,672 | -22.2% | 0.02% | -16.7% |
Q1 2022 | $14,058,000 | +45.1% | 391,585 | -5.9% | 0.02% | +50.0% |
Q4 2021 | $9,690,000 | +156.8% | 416,049 | +109.6% | 0.01% | +140.0% |
Q3 2021 | $3,773,000 | +28.2% | 198,472 | +36.0% | 0.01% | +25.0% |
Q2 2021 | $2,942,000 | +187.3% | 145,918 | +161.2% | 0.00% | +300.0% |
Q1 2021 | $1,024,000 | -89.8% | 55,869 | -89.3% | 0.00% | -95.7% |
Q4 2019 | $10,050,000 | +11.7% | 520,984 | +14.8% | 0.02% | +9.5% |
Q3 2019 | $9,000,000 | +156.3% | 453,835 | +172.9% | 0.02% | +162.5% |
Q2 2019 | $3,511,000 | +14.1% | 166,302 | +10.5% | 0.01% | +14.3% |
Q1 2019 | $3,076,000 | +478.2% | 150,541 | +332.1% | 0.01% | +600.0% |
Q2 2018 | $532,000 | – | 34,840 | – | 0.00% | – |
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% |