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 | $713,000 | +95.3% | 7,671 | +25.2% | 0.00% | +50.0% |
| Q3 2021 | $365,000 | -12.7% | 6,126 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $418,000 | -9.9% | 6,126 | -8.5% | 0.00% | -33.3% |
| Q1 2021 | $464,000 | -23.7% | 6,692 | -15.5% | 0.00% | -25.0% |
| Q4 2020 | $608,000 | +22.1% | 7,917 | +18.9% | 0.00% | 0.0% |
| Q3 2020 | $498,000 | +29.7% | 6,660 | +9.1% | 0.00% | +33.3% |
| Q2 2020 | $384,000 | +137.0% | 6,102 | +58.0% | 0.00% | +50.0% |
| Q1 2020 | $162,000 | +5.9% | 3,863 | +14.9% | 0.00% | +100.0% |
| Q4 2019 | $153,000 | +10.9% | 3,362 | +11.3% | 0.00% | 0.0% |
| Q3 2019 | $138,000 | -22.0% | 3,022 | 0.0% | 0.00% | -50.0% |
| Q2 2019 | $177,000 | +31.1% | 3,022 | 0.0% | 0.00% | +100.0% |
| Q1 2019 | $135,000 | -2.2% | 3,022 | -14.9% | 0.00% | 0.0% |
| Q4 2018 | $138,000 | -3.5% | 3,550 | +14.6% | 0.00% | 0.0% |
| Q3 2018 | $143,000 | +5.9% | 3,097 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $135,000 | +58.8% | 3,097 | +43.6% | 0.00% | 0.0% |
| Q1 2018 | $85,000 | +16.4% | 2,156 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $73,000 | +217.4% | 2,156 | +144.2% | 0.00% | – |
| Q3 2017 | $23,000 | +53.3% | 883 | 0.0% | 0.00% | – |
| Q2 2017 | $15,000 | – | 883 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Prosight Management, LP | 163,133 | $7,467,000 | 4.14% |
| PFM Health Sciences, LP | 2,271,536 | $103,968,000 | 3.07% |
| Partner Investment Management, L.P. | 28,877 | $1,322,000 | 2.26% |
| Atika Capital Management LLC | 181,000 | $8,284,000 | 1.74% |
| DAFNA Capital Management LLC | 93,942 | $4,300,000 | 1.62% |
| Asymmetry Capital Management, L.P. | 16,272 | $745,000 | 1.60% |
| First Light Asset Management, LLC | 190,838 | $8,735,000 | 1.32% |
| Perceptive Advisors | 953,129 | $43,624,000 | 1.18% |
| Rhenman & Partners Asset Management AB | 155,000 | $7,094,000 | 0.89% |
| Opus Point Partners Management, LLC | 9,770 | $447,000 | 0.81% |