ARENA PHARMACEUTICALS INC's ticker is ARNA and the CUSIP is 040047607. A total of 241 filers reported holding ARENA PHARMACEUTICALS INC in Q2 2021. The put-call ratio across all filers is 0.45 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $23,778,000 | +396.0% | 255,834 | +217.8% | 0.01% | +300.0% |
| Q3 2021 | $4,794,000 | +49.5% | 80,505 | +71.2% | 0.00% | +100.0% |
| Q2 2021 | $3,207,000 | -54.8% | 47,019 | -54.0% | 0.00% | -75.0% |
| Q1 2021 | $7,089,000 | +14.0% | 102,165 | +26.3% | 0.00% | +33.3% |
| Q4 2020 | $6,216,000 | -68.7% | 80,900 | -69.5% | 0.00% | -72.7% |
| Q3 2020 | $19,840,000 | +363.7% | 265,293 | +290.2% | 0.01% | +266.7% |
| Q2 2020 | $4,279,000 | +443.7% | 67,989 | +262.6% | 0.00% | – |
| Q1 2020 | $787,000 | +206.2% | 18,750 | +230.7% | 0.00% | – |
| Q4 2019 | $257,000 | -8.9% | 5,669 | -8.0% | 0.00% | – |
| Q3 2019 | $282,000 | -46.9% | 6,164 | -31.9% | 0.00% | -100.0% |
| Q2 2019 | $531,000 | +36.2% | 9,055 | +4.2% | 0.00% | 0.0% |
| Q1 2019 | $390,000 | -80.5% | 8,689 | -83.1% | 0.00% | -75.0% |
| Q4 2018 | $2,004,000 | +18.6% | 51,452 | +40.1% | 0.00% | +33.3% |
| Q3 2018 | $1,690,000 | -41.2% | 36,718 | -49.5% | 0.00% | -57.1% |
| Q1 2018 | $2,874,000 | +648.4% | 72,777 | +544.0% | 0.01% | +600.0% |
| Q4 2017 | $384,000 | – | 11,300 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Prosight Management, LP | 252,500 | $11,320,000 | 4.95% |
| Rubric Capital Management LP | 857,103 | $38,424,000 | 3.59% |
| PFM Health Sciences, LP | 3,255,230 | $145,932,000 | 3.22% |
| Partner Investment Management, L.P. | 40,605 | $1,820,000 | 2.10% |
| DAFNA Capital Management LLC | 93,942 | $4,211,000 | 1.82% |
| Atika Capital Management LLC | 195,000 | $8,742,000 | 1.78% |
| Perceptive Advisors | 1,400,171 | $62,770,000 | 1.77% |
| EMORY UNIVERSITY | 47,779 | $2,142,000 | 1.51% |
| Rhenman & Partners Asset Management AB | 234,558 | $10,515,000 | 1.23% |
| Eversept Partners, LP | 75,721 | $3,394,572 | 0.99% |