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 | $6,375,000 | +145.0% | 68,598 | +57.0% | 0.00% | +200.0% |
| Q3 2021 | $2,602,000 | -36.5% | 43,701 | -27.2% | 0.00% | -50.0% |
| Q2 2021 | $4,096,000 | -19.5% | 60,059 | -18.1% | 0.00% | -33.3% |
| Q1 2021 | $5,089,000 | -4.7% | 73,335 | +5.5% | 0.00% | 0.0% |
| Q4 2020 | $5,340,000 | -6.0% | 69,502 | -8.5% | 0.00% | -25.0% |
| Q3 2020 | $5,682,000 | +17.1% | 75,968 | -1.4% | 0.00% | 0.0% |
| Q2 2020 | $4,851,000 | +179.1% | 77,068 | +86.3% | 0.00% | +100.0% |
| Q1 2020 | $1,738,000 | +6.0% | 41,374 | +14.6% | 0.00% | +100.0% |
| Q4 2019 | $1,639,000 | +53.6% | 36,089 | +54.7% | 0.00% | 0.0% |
| Q3 2019 | $1,067,000 | -53.9% | 23,322 | -40.9% | 0.00% | -50.0% |
| Q2 2019 | $2,315,000 | +885.1% | 39,481 | +652.0% | 0.00% | – |
| Q1 2019 | $235,000 | +14.6% | 5,250 | -0.4% | 0.00% | – |
| Q4 2018 | $205,000 | -1.0% | 5,272 | +11.1% | 0.00% | – |
| Q2 2018 | $207,000 | – | 4,747 | – | 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% |