AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 108 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2017. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $301,970 | -40.9% | 6,566 | -26.2% | 0.00% | -25.0% |
| Q2 2023 | $510,966 | +54.4% | 8,891 | +0.7% | 0.00% | +33.3% |
| Q1 2023 | $330,975 | +8.4% | 8,826 | -19.0% | 0.00% | 0.0% |
| Q4 2022 | $305,446 | -0.8% | 10,901 | -0.5% | 0.00% | 0.0% |
| Q3 2022 | $308,000 | -56.1% | 10,954 | -72.1% | 0.00% | -40.0% |
| Q2 2017 | $701,000 | +23.4% | 39,250 | +0.3% | 0.01% | +25.0% |
| Q1 2017 | $568,000 | +32.1% | 39,149 | +67.8% | 0.00% | +33.3% |
| Q4 2016 | $430,000 | -1.8% | 23,329 | +1.0% | 0.00% | -25.0% |
| Q3 2016 | $438,000 | – | 23,108 | – | 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% |