ARENA PHARMACEUTICALS INC's ticker is ARNA and the CUSIP is 040047607. A total of 167 filers reported holding ARENA PHARMACEUTICALS INC in Q2 2018. The put-call ratio across all filers is 1.05 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $303,000 | +59.5% | 3,277 | +3.2% | 0.00% | – |
| Q3 2021 | $190,000 | -12.0% | 3,176 | 0.0% | 0.00% | – |
| Q2 2021 | $216,000 | -11.8% | 3,176 | -10.8% | 0.00% | -100.0% |
| Q1 2021 | $245,000 | -20.5% | 3,560 | -11.4% | 0.00% | 0.0% |
| Q4 2020 | $308,000 | +2.7% | 4,017 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $300,000 | -44.0% | 4,017 | -53.1% | 0.00% | 0.0% |
| Q2 2020 | $536,000 | +282.9% | 8,560 | +157.8% | 0.00% | – |
| Q1 2020 | $140,000 | -6.7% | 3,320 | 0.0% | 0.00% | – |
| Q4 2019 | $150,000 | -58.6% | 3,320 | -46.3% | 0.00% | -100.0% |
| Q2 2019 | $362,000 | +56.7% | 6,178 | +0.4% | 0.00% | 0.0% |
| Q4 2018 | $231,000 | +14.4% | 6,152 | +40.1% | 0.00% | – |
| Q3 2018 | $202,000 | +5.8% | 4,390 | 0.0% | 0.00% | – |
| Q2 2018 | $191,000 | +9.8% | 4,390 | 0.0% | 0.00% | – |
| Q1 2018 | $174,000 | +16.8% | 4,390 | 0.0% | 0.00% | – |
| Q4 2017 | $149,000 | +33.0% | 4,390 | 0.0% | 0.00% | – |
| Q3 2017 | $112,000 | +250.0% | 4,390 | +128.2% | 0.00% | – |
| Q2 2017 | $32,000 | – | 1,924 | – | 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% |