ARENA PHARMACEUTICALS INC's ticker is ARNA and the CUSIP is 040047607. A total of 172 filers reported holding ARENA PHARMACEUTICALS INC in Q1 2018. The put-call ratio across all filers is 0.43 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $2,264,000 | +90.1% | 24,361 | +21.8% | 0.08% | +127.8% |
| Q3 2021 | $1,191,000 | -39.7% | 20,000 | -60.0% | 0.04% | -96.9% |
| Q1 2018 | $1,975,000 | +107.7% | 50,000 | +78.7% | 1.17% | +193.2% |
| Q4 2017 | $951,000 | -66.6% | 27,983 | -74.9% | 0.40% | -52.2% |
| Q3 2017 | $2,848,000 | +382.7% | 111,700 | +219.1% | 0.83% | +256.0% |
| Q2 2017 | $590,000 | – | 35,000 | – | 0.23% | – |
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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% |