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 | $669,000 | +196.0% | 7,200 | +89.5% | 0.00% | +100.0% |
| Q3 2021 | $226,000 | -12.7% | 3,800 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $259,000 | -20.6% | 3,800 | -19.1% | 0.00% | 0.0% |
| Q1 2021 | $326,000 | -56.6% | 4,700 | -52.0% | 0.00% | -66.7% |
| Q4 2020 | $752,000 | +2.7% | 9,800 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $732,000 | -3.0% | 9,800 | -18.3% | 0.00% | 0.0% |
| Q2 2020 | $755,000 | -18.6% | 12,000 | -45.7% | 0.00% | -40.0% |
| Q1 2020 | $928,000 | -17.6% | 22,100 | -10.9% | 0.01% | 0.0% |
| Q4 2019 | $1,126,000 | -47.4% | 24,800 | -47.0% | 0.01% | 0.0% |
| Q3 2019 | $2,142,000 | +61.1% | 46,800 | +106.2% | 0.01% | -16.7% |
| Q2 2019 | $1,330,000 | +2193.1% | 22,700 | +1646.2% | 0.01% | – |
| Q1 2019 | $58,000 | +205.3% | 1,300 | +160.0% | 0.00% | – |
| Q4 2018 | $19,000 | – | 500 | – | 0.00% | – |
| Q3 2018 | $0 | -100.0% | 0 | -100.0% | 0.00% | – |
| Q2 2018 | $52,000 | -95.1% | 1,200 | -95.6% | 0.00% | -100.0% |
| Q1 2018 | $1,066,000 | +331.6% | 27,000 | +269.9% | 0.01% | +400.0% |
| Q4 2017 | $247,000 | +32.8% | 7,300 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $186,000 | +19.2% | 7,300 | -21.5% | 0.00% | 0.0% |
| Q2 2017 | $156,000 | – | 9,300 | – | 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% |