ARENA PHARMACEUTICALS INC's ticker is ARNA and the CUSIP is 040047607. A total of 163 filers reported holding ARENA PHARMACEUTICALS INC in Q3 2018. The put-call ratio across all filers is 0.93 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $713,000 | +95.3% | 7,671 | +25.2% | 0.00% | +50.0% |
| Q3 2021 | $365,000 | -12.7% | 6,126 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $418,000 | -9.9% | 6,126 | -8.5% | 0.00% | -33.3% |
| Q1 2021 | $464,000 | -23.7% | 6,692 | -15.5% | 0.00% | -25.0% |
| Q4 2020 | $608,000 | +22.1% | 7,917 | +18.9% | 0.00% | 0.0% |
| Q3 2020 | $498,000 | +29.7% | 6,660 | +9.1% | 0.00% | +33.3% |
| Q2 2020 | $384,000 | +137.0% | 6,102 | +58.0% | 0.00% | +50.0% |
| Q1 2020 | $162,000 | +5.9% | 3,863 | +14.9% | 0.00% | +100.0% |
| Q4 2019 | $153,000 | +10.9% | 3,362 | +11.3% | 0.00% | 0.0% |
| Q3 2019 | $138,000 | -22.0% | 3,022 | 0.0% | 0.00% | -50.0% |
| Q2 2019 | $177,000 | +31.1% | 3,022 | 0.0% | 0.00% | +100.0% |
| Q1 2019 | $135,000 | -2.2% | 3,022 | -14.9% | 0.00% | 0.0% |
| Q4 2018 | $138,000 | -3.5% | 3,550 | +14.6% | 0.00% | 0.0% |
| Q3 2018 | $143,000 | +5.9% | 3,097 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $135,000 | +58.8% | 3,097 | +43.6% | 0.00% | 0.0% |
| Q1 2018 | $85,000 | +16.4% | 2,156 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $73,000 | +217.4% | 2,156 | +144.2% | 0.00% | – |
| Q3 2017 | $23,000 | +53.3% | 883 | 0.0% | 0.00% | – |
| Q2 2017 | $15,000 | – | 883 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Prosight Management, LP | 164,300 | $9,633,000 | 4.86% |
| Atika Capital Management LLC | 230,000 | $13,485,000 | 2.65% |
| DAFNA Capital Management LLC | 93,942 | $5,508,000 | 2.07% |
| PFM Health Sciences, LP | 1,828,378 | $107,198,000 | 2.04% |
| Perceptive Advisors | 1,380,171 | $80,919,000 | 1.86% |
| Eversept Partners, LP | 73,501 | $4,309,364 | 1.21% |
| Partner Investment Management, L.P. | 18,159 | $1,065,000 | 1.13% |
| Rhenman & Partners Asset Management AB | 170,000 | $9,967,000 | 1.10% |
| EMERALD ADVISERS, LLC | 425,510 | $24,948,000 | 1.00% |
| EMERALD MUTUAL FUND ADVISERS TRUST | 388,418 | $22,773,000 | 0.90% |