AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 206 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2022. The put-call ratio across all filers is 0.50 and the average weighting 0.0%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $26,202 | -10.0% | 569,712 | +12.5% | 0.00% | 0.0% |
Q2 2023 | $29,098 | +65.6% | 506,308 | +8.1% | 0.00% | +33.3% |
Q1 2023 | $17,567 | -20.6% | 468,420 | -40.6% | 0.00% | -25.0% |
Q4 2022 | $22,112 | -99.9% | 789,170 | -2.4% | 0.00% | 0.0% |
Q3 2022 | $22,727,000 | +301.3% | 808,731 | +396.7% | 0.00% | +300.0% |
Q2 2022 | $5,664,000 | – | 162,814 | – | 0.00% | – |
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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% |