AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 146 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $388,400 | -86.8% | 9,710 | -85.5% | 0.00% | -100.0% |
| Q1 2024 | $2,945,746 | +1.5% | 67,086 | +43.0% | 0.00% | 0.0% |
| Q4 2023 | $2,901,816 | -20.2% | 46,917 | -40.7% | 0.00% | -25.0% |
| Q3 2023 | $3,636,107 | -37.9% | 79,063 | -22.4% | 0.00% | -42.9% |
| Q2 2023 | $5,858,319 | +287.3% | 101,937 | +152.7% | 0.01% | +250.0% |
| Q1 2023 | $1,512,487 | -16.9% | 40,333 | -37.9% | 0.00% | 0.0% |
| Q4 2022 | $1,820,991 | +211.8% | 64,989 | +106.9% | 0.00% | +100.0% |
| Q1 2021 | $584,000 | -16.3% | 31,416 | -9.5% | 0.00% | 0.0% |
| Q4 2020 | $698,000 | +10.1% | 34,713 | -18.7% | 0.00% | 0.0% |
| Q1 2020 | $634,000 | -67.3% | 42,699 | -57.6% | 0.00% | -66.7% |
| Q4 2019 | $1,941,000 | -21.4% | 100,607 | -19.2% | 0.00% | -40.0% |
| Q3 2019 | $2,469,000 | +1.2% | 124,516 | +7.7% | 0.01% | 0.0% |
| Q2 2019 | $2,440,000 | – | 115,574 | – | 0.01% | – |
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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% |