AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 105 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2016. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $9,210,739 | +21.8% | 200,277 | +52.2% | 0.01% | +16.7% |
| Q2 2023 | $7,563,569 | +66.2% | 131,609 | +8.9% | 0.01% | +50.0% |
| Q1 2023 | $4,551,327 | +318.6% | 120,821 | +211.4% | 0.00% | +300.0% |
| Q4 2022 | $1,087,176 | -30.9% | 38,800 | -30.7% | 0.00% | 0.0% |
| Q3 2022 | $1,573,000 | -0.2% | 55,980 | +23.6% | 0.00% | 0.0% |
| Q2 2022 | $1,576,000 | -43.9% | 45,293 | -42.1% | 0.00% | -50.0% |
| Q1 2022 | $2,808,000 | +28.9% | 78,230 | -16.3% | 0.00% | +100.0% |
| Q4 2021 | $2,178,000 | +36.0% | 93,512 | +11.0% | 0.00% | 0.0% |
| Q3 2021 | $1,601,000 | -14.9% | 84,221 | -9.7% | 0.00% | 0.0% |
| Q2 2021 | $1,881,000 | +302.8% | 93,288 | +222.0% | 0.00% | 0.0% |
| Q2 2016 | $467,000 | – | 28,967 | – | 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% |