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 | $2,256,000 | +73.3% | 24,283 | +11.1% | 0.01% | +66.7% |
| Q3 2021 | $1,302,000 | -12.6% | 21,851 | +0.1% | 0.00% | -25.0% |
| Q2 2021 | $1,489,000 | -4.1% | 21,839 | -2.4% | 0.00% | -20.0% |
| Q1 2021 | $1,552,000 | -10.4% | 22,374 | -0.8% | 0.01% | -28.6% |
| Q4 2020 | $1,733,000 | -50.8% | 22,554 | -52.2% | 0.01% | -58.8% |
| Q3 2020 | $3,525,000 | +129.6% | 47,169 | +93.6% | 0.02% | +112.5% |
| Q2 2020 | $1,535,000 | +90.4% | 24,359 | +26.9% | 0.01% | +60.0% |
| Q1 2020 | $806,000 | -2.3% | 19,198 | +6.4% | 0.01% | +25.0% |
| Q3 2019 | $825,000 | -2.0% | 18,048 | +25.7% | 0.00% | -20.0% |
| Q2 2019 | $842,000 | +64.8% | 14,355 | +25.9% | 0.01% | +66.7% |
| Q1 2019 | $511,000 | +14.6% | 11,405 | -0.4% | 0.00% | 0.0% |
| Q4 2018 | $446,000 | -15.4% | 11,455 | 0.0% | 0.00% | -25.0% |
| Q3 2018 | $527,000 | -21.1% | 11,455 | -25.8% | 0.00% | -20.0% |
| Q2 2018 | $668,000 | +128.8% | 15,438 | +105.2% | 0.01% | +150.0% |
| Q1 2018 | $292,000 | -36.7% | 7,524 | -44.8% | 0.00% | -50.0% |
| Q4 2017 | $461,000 | +129.4% | 13,626 | +74.2% | 0.00% | +100.0% |
| Q3 2017 | $201,000 | +13.6% | 7,824 | -26.7% | 0.00% | 0.0% |
| Q2 2017 | $177,000 | – | 10,670 | – | 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% |