ARENA PHARMACEUTICALS INC's ticker is ARNA and the CUSIP is 040047607. A total of 237 filers reported holding ARENA PHARMACEUTICALS INC in Q1 2021. The put-call ratio across all filers is 0.58 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $307,000 | -9.4% | 3,300 | -42.1% | 0.00% | 0.0% |
| Q3 2021 | $339,000 | -53.9% | 5,700 | -47.2% | 0.00% | 0.0% |
| Q2 2021 | $736,000 | -92.6% | 10,800 | -91.6% | 0.00% | -96.8% |
| Q4 2020 | $9,928,000 | -31.4% | 129,228 | -33.2% | 0.03% | -40.4% |
| Q3 2020 | $14,463,000 | -52.4% | 193,390 | -59.9% | 0.05% | -13.3% |
| Q2 2020 | $30,372,000 | +144.7% | 482,496 | +63.2% | 0.06% | +93.5% |
| Q1 2020 | $12,414,000 | -36.7% | 295,574 | -31.5% | 0.03% | -22.5% |
| Q4 2019 | $19,606,000 | +1.6% | 431,670 | +2.4% | 0.04% | +5.3% |
| Q3 2019 | $19,302,000 | -19.2% | 421,702 | +3.5% | 0.04% | -19.1% |
| Q2 2019 | $23,880,000 | +166.9% | 407,300 | +104.1% | 0.05% | +34.3% |
| Q1 2019 | $8,946,000 | +832.8% | 199,562 | +250.9% | 0.04% | +775.0% |
| Q2 2017 | $959,000 | – | 56,870 | – | 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% |