AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 110 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q4 2017. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $17,000 | +6.2% | 875 | +10.1% | 0.00% | – |
| Q3 2019 | $16,000 | -5.9% | 795 | 0.0% | 0.00% | – |
| Q2 2019 | $17,000 | +13.3% | 795 | +6.0% | 0.00% | – |
| Q1 2019 | $15,000 | -50.0% | 750 | -50.0% | 0.00% | – |
| Q4 2018 | $30,000 | +3.4% | 1,500 | 0.0% | 0.00% | – |
| Q3 2018 | $29,000 | -23.7% | 1,500 | -40.0% | 0.00% | -100.0% |
| Q2 2018 | $38,000 | +26.7% | 2,500 | +56.2% | 0.00% | – |
| Q1 2018 | $30,000 | -3.2% | 1,600 | 0.0% | 0.00% | – |
| Q4 2017 | $31,000 | +6.9% | 1,600 | 0.0% | 0.00% | – |
| Q3 2017 | $29,000 | -14.7% | 1,600 | -14.2% | 0.00% | -100.0% |
| Q2 2017 | $34,000 | +3300.0% | 1,864 | +2682.1% | 0.00% | – |
| Q1 2017 | $1,000 | -88.9% | 67 | -86.2% | 0.00% | – |
| Q3 2016 | $9,000 | – | 487 | – | 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% |