As of 31 Dec 2025, 1 institutional investors reported holding 1 shares of ARENA PHARMECEUTICALS INC - COMMON STOCK (ARNA).
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 1 | $100 | $100.00 | 1 | |
| 2025 Q3 | 1 | $100 | $100.00 | 1 | |
| 2025 Q2 | 1 | $100 | $100.00 | 1 | |
| 2025 Q1 | 1 | $100 | $100.00 | 1 | |
| 2024 Q4 | 1 | $100 | $100.00 | 1 | |
| 2024 Q3 | 1 | $100 | $100.00 | 1 | |
| 2024 Q2 | 1 | $100 | $100.00 | 1 | |
| 2024 Q1 | 1 | $100 | $100.00 | 1 | |
| 2023 Q4 | 1 | $100 | $100.00 | 1 | |
| 2023 Q3 | 1 | $100 | $100.00 | 1 | |
| 2023 Q2 | 1 | $100 | $100.00 | 1 | |
| 2023 Q1 | 1 | $100 | $100.00 | 1 | |
| 2022 Q4 | 1 | $100 | +$100 | $100.00 | 1 |
| 2022 Q2 | 0 | $0 | -$1,000 | $100.00 | 0 |
| 2022 Q1 | 2 | $1,000 | -$4,862,563,557 | $500.00 | 1 |
| 2021 Q4 | 52,436,323 | $4,873,406,308 | -$252,910,285 | $92.94 | 307 |
| 2021 Q3 | 56,259,506 | $3,350,553,829 | -$55,431,013 | $59.55 | 229 |
| 2021 Q2 | 56,752,213 | $3,871,898,725 | +$43,665,687 | $68.20 | 231 |
| 2021 Q1 | 56,054,044 | $3,891,389,654 | +$119,975,177 | $69.39 | 228 |
| 2020 Q4 | 54,276,885 | $4,170,062,666 | +$105,148,741 | $76.83 | 247 |
| 2020 Q3 | 52,961,205 | $3,961,646,826 | -$63,084,125 | $74.79 | 247 |
| 2020 Q2 | 53,973,923 | $3,397,474,193 | +$565,297,458 | $62.95 | 238 |
| 2020 Q1 | 45,180,042 | $1,899,011,487 | +$119,111,509 | $42.00 | 206 |
| 2019 Q4 | 42,297,286 | $1,919,563,238 | -$31,086,474 | $45.42 | 214 |
| 2019 Q3 | 42,803,885 | $1,958,354,190 | +$30,365,221 | $45.77 | 217 |
| 2019 Q2 | 41,942,601 | $2,458,861,848 | +$34,650,251 | $58.63 | 208 |
| 2019 Q1 | 41,921,250 | $1,879,068,533 | +$91,144,000 | $44.83 | 174 |
| 2018 Q4 | 40,057,563 | $1,560,071,309 | -$10,622,899 | $38.95 | 173 |
| 2018 Q3 | 40,126,806 | $1,845,781,241 | -$8,485,354 | $46.02 | 157 |
| 2018 Q2 | 40,215,557 | $1,753,137,528 | +$79,964,154 | $43.60 | 160 |
| 2018 Q1 | 38,694,467 | $1,527,923,698 | +$389,244,621 | $39.50 | 166 |
| 2017 Q4 | 28,781,890 | $977,852,610 | +$7,470,652 | $33.97 | 122 |
| 2017 Q3 | 28,663,867 | $730,936,089 | +$280,946,212 | $25.50 | 115 |
| 2017 Q2 | 17,764,587 | $299,695,801 | +$299,537,804 | $16.87 | 96 |
| 2016 Q2 | 0 | $0 | -$22,000 | $100.00 | 0 |
| 2016 Q1 | 500 | $22,000 | $44.00 | 1 |