AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 211 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q4 2022. The put-call ratio across all filers is 0.20 and the average weighting 0.1%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $774 | -73.8% | 16,820 | -67.3% | 0.04% | -72.1% |
Q2 2023 | $2,953 | +159.7% | 51,380 | +69.5% | 0.13% | +138.9% |
Q1 2023 | $1,137 | +369.8% | 30,320 | +250.4% | 0.05% | +315.4% |
Q4 2022 | $242 | -100.0% | 8,653 | -75.6% | 0.01% | -78.3% |
Q3 2022 | $998,000 | -6.6% | 35,523 | +15.6% | 0.06% | -25.0% |
Q2 2022 | $1,069,000 | +109.2% | 30,733 | +115.8% | 0.08% | +142.4% |
Q1 2022 | $511,000 | -15.3% | 14,243 | -55.2% | 0.03% | -81.0% |
Q3 2016 | $603,000 | – | 31,761 | – | 0.17% | – |
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% |