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 | $208,381 | -27.4% | 4,531 | -9.2% | 0.00% | -33.3% |
| Q2 2023 | $286,833 | -10.0% | 4,991 | -41.3% | 0.01% | -25.0% |
| Q1 2023 | $318,638 | -43.9% | 8,497 | -58.1% | 0.01% | -50.0% |
| Q4 2022 | $567,741 | -12.3% | 20,262 | -12.0% | 0.02% | -15.8% |
| Q3 2022 | $647,000 | -52.8% | 23,032 | -41.6% | 0.02% | -56.8% |
| Q2 2022 | $1,372,000 | +249.1% | 39,432 | +260.4% | 0.04% | +266.7% |
| Q1 2022 | $393,000 | -20.1% | 10,940 | -57.8% | 0.01% | +100.0% |
| Q3 2016 | $492,000 | +55.7% | 25,915 | +32.4% | 0.01% | +50.0% |
| Q2 2016 | $316,000 | – | 19,579 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| LAM GROUP, INC. | 128,000 | $5,886,720 | 5.78% |
| Beacon Harbor Wealth Advisors, Inc. | 103,095 | $4,741 | 1.58% |
| Capital Impact Advisors, LLC | 15,304 | $703,831 | 1.18% |
| Quantedge Capital Pte Ltd | 36,389 | $1,673,530 | 0.91% |
| Mesirow Institutional Investment Management, Inc. | 183,805 | $8,453,192 | 0.86% |
| Monashee Investment Management LLC | 39,461 | $1,814,811 | 0.76% |
| OBERWEIS ASSET MANAGEMENT INC/ | 152,500 | $7,013,475 | 0.74% |
| Granite Investment Partners, LLC | 330,911 | $15,218,597 | 0.64% |
| Portolan Capital Management | 132,850 | $6,109,772 | 0.57% |
| SHAKER INVESTMENTS LLC/OH | 20,795 | $956,362 | 0.53% |