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 | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $296,000 | +35.8% | 4,974 | +55.5% | 0.00% | +100.0% |
| Q2 2021 | $218,000 | -37.7% | 3,198 | -36.6% | 0.00% | -50.0% |
| Q1 2021 | $350,000 | -9.8% | 5,048 | 0.0% | 0.00% | 0.0% |
| Q4 2020 | $388,000 | +158.7% | 5,048 | +150.9% | 0.00% | +100.0% |
| Q3 2020 | $150,000 | -23.1% | 2,012 | -35.2% | 0.00% | -50.0% |
| Q2 2020 | $195,000 | +84.0% | 3,104 | +23.1% | 0.00% | +100.0% |
| Q1 2020 | $106,000 | -3.6% | 2,522 | +4.6% | 0.00% | 0.0% |
| Q4 2019 | $110,000 | 0.0% | 2,412 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $110,000 | +450.0% | 2,412 | +609.4% | 0.00% | – |
| Q2 2019 | $20,000 | +33.3% | 340 | 0.0% | 0.00% | – |
| Q1 2019 | $15,000 | -21.1% | 340 | -30.6% | 0.00% | – |
| Q4 2018 | $19,000 | -17.4% | 490 | 0.0% | 0.00% | – |
| Q3 2018 | $23,000 | +9.5% | 490 | 0.0% | 0.00% | – |
| Q2 2018 | $21,000 | +110.0% | 490 | +96.0% | 0.00% | – |
| Q1 2018 | $10,000 | – | 250 | – | 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% |