AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 135 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2019. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $616,000 | -29.3% | 31,979 | -27.2% | 0.01% | -35.7% |
| Q3 2019 | $871,000 | +6.9% | 43,931 | +13.8% | 0.01% | +7.7% |
| Q2 2019 | $815,000 | +1031.9% | 38,613 | +973.5% | 0.01% | +550.0% |
| Q4 2018 | $72,000 | +300.0% | 3,597 | +290.6% | 0.00% | – |
| Q3 2018 | $18,000 | -77.2% | 921 | -79.1% | 0.00% | -100.0% |
| Q3 2017 | $79,000 | -6.0% | 4,414 | -6.1% | 0.00% | 0.0% |
| Q2 2017 | $84,000 | +23.5% | 4,700 | +0.4% | 0.00% | 0.0% |
| Q1 2017 | $68,000 | -19.0% | 4,683 | +3.3% | 0.00% | 0.0% |
| Q4 2016 | $84,000 | – | 4,532 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| MQS Management LLC | 10,935 | $255,000 | 0.41% |
| GLOBEFLEX CAPITAL L P | 144,692 | $3,370,000 | 0.34% |
| CORNERCAP INVESTMENT COUNSEL INC | 58,975 | $1,374,000 | 0.20% |
| Factorial Partners, LLC | 10,900 | $254,000 | 0.17% |
| FEDERATED HERMES, INC. | 3,464,335 | $80,684,000 | 0.15% |
| Campbell & CO Investment Adviser LLC | 14,800 | $345,000 | 0.12% |
| FULLER & THALER ASSET MANAGEMENT, INC. | 611,462 | $14,241,000 | 0.08% |
| Summit Global Investments | 45,900 | $1,069,000 | 0.07% |
| RENAISSANCE GROUP LLC | 63,559 | $1,480,000 | 0.06% |
| PDT Partners, LLC | 33,459 | $779,000 | 0.06% |