ARENA PHARMACEUTICALS INC's ticker is ARNA and the CUSIP is 040047607. A total of 322 filers reported holding ARENA PHARMACEUTICALS INC in Q4 2021. The put-call ratio across all filers is 0.86 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $5,265,000 | +555.7% | 122,513 | +100.8% | 0.22% | +511.1% |
| Q3 2021 | $803,000 | +372.4% | 61,000 | +2340.0% | 0.04% | +350.0% |
| Q2 2021 | $170,000 | -1.7% | 2,500 | 0.0% | 0.01% | -11.1% |
| Q1 2021 | $173,000 | -12.2% | 2,500 | -13.0% | 0.01% | 0.0% |
| Q4 2020 | $197,000 | +166.2% | 2,875 | -56.8% | 0.01% | +125.0% |
| Q3 2020 | $74,000 | +34.5% | 6,650 | -11.3% | 0.00% | +33.3% |
| Q2 2020 | $55,000 | -11.3% | 7,500 | +31.6% | 0.00% | -25.0% |
| Q4 2019 | $62,000 | +77.1% | 5,700 | +1.8% | 0.00% | +33.3% |
| Q3 2019 | $35,000 | -54.5% | 5,600 | -13.8% | 0.00% | -57.1% |
| Q2 2019 | $77,000 | +71.1% | 6,500 | +109.7% | 0.01% | +40.0% |
| Q1 2019 | $45,000 | -80.6% | 3,100 | -72.8% | 0.01% | -77.3% |
| Q4 2018 | $232,000 | +2.2% | 11,400 | -39.0% | 0.02% | +37.5% |
| Q3 2018 | $227,000 | -27.5% | 18,700 | -5.7% | 0.02% | -36.0% |
| Q2 2018 | $313,000 | -47.7% | 19,836 | -50.9% | 0.02% | -51.9% |
| Q1 2018 | $599,000 | +565.6% | 40,436 | -6.6% | 0.05% | +1200.0% |
| Q4 2017 | $90,000 | +246.2% | 43,300 | +14.4% | 0.00% | +300.0% |
| Q3 2017 | $26,000 | -85.1% | 37,849 | -11.0% | 0.00% | -85.7% |
| Q2 2017 | $174,000 | – | 42,507 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GREAT POINT PARTNERS LLC | 530,670 | $49,320,000 | 10.96% |
| Paradigm Biocapital Advisors LP | 251,777 | $23,400,000 | 6.68% |
| RAMIUS ADVISORS LLC | 161,770 | $15,035,000 | 5.27% |
| First Light Asset Management, LLC | 645,848 | $60,025,000 | 4.30% |
| Affinity Asset Advisors, LLC | 100,000 | $9,294,000 | 3.38% |
| SECTORAL ASSET MANAGEMENT INC | 230,043 | $21,380,000 | 3.22% |
| ALPINE ASSOCIATES MANAGEMENT INC. | 806,200 | $74,929,000 | 2.80% |
| DAFNA Capital Management LLC | 119,615 | $11,117,000 | 2.80% |
| HAVENS ADVISORS LLC | 24,500 | $2,277,000 | 2.69% |
| Prosight Management, LP | 45,000 | $4,182,000 | 2.50% |