| （単位：百万ドル） | 2011/12 | 2012/12 | 2013/12 | 2014/12 | 2015/12 | 2016/12 | 2017/12 | 2018/12 | 2019/12 | 2020/12 | 2021/12 | 2022/12 | 2023/12 | 2024/12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 現金同等物 | 18 | 33 | 20 | 15 | 43 | 17 | 38 | 76 | 22 | 30 | 18 | 24 | 32 | 56 |
| 有価証券 | 458 | 264 | 382 | 127 | 82 | 57 | 77 | 52 | 75 | 26 | 106 | 33 | 24 | 20 |
| 現金 + 有価証券 | 476 | 298 | 403 | 143 | 126 | 74 | 115 | 128 | 98 | 57 | 124 | 58 | 56 | 77 |
| 売掛金 | - | - | 5 | 5 | 0 | 0 | - | 4 | 10 | 15 | 15 | 40 | 30 | 41 |
| 商品及び製品 | - | - | - | - | - | - | - | 0 | 1 | 1 | 6 | 9 | 5 | 6 |
| 流動資産合計 | 250 | 302 | 220 | 150 | 129 | 76 | 117 | 136 | 119 | 88 | 154 | 115 | 99 | 135 |
| 有形固定資産 | 4 | 5 | 4 | 2 | 1 | 1 | 0 | 1 | 2 | 2 | 2 | 0 | 0 | 0 |
| 固定資産合計 | 6 | 7 | 5 | 3 | 2 | 1 | 1 | 2 | 28 | 21 | 12 | 18 | 17 | 28 |
| 総資産 | 257 | 310 | 226 | 154 | 131 | 78 | 119 | 139 | 147 | 110 | 167 | 134 | 117 | 163 |
| 買掛金 | 1 | 1 | 3 | 1 | 2 | 5 | 2 | 6 | 4 | 3 | 3 | 22 | 7 | 3 |
| 流動負債合計 | 11 | 12 | 10 | 14 | 33 | 22 | 18 | 27 | 58 | 40 | 63 | 65 | 53 | 63 |
| 固定負債合計 | - | - | - | - | - | - | - | - | - | - | - | 82 | 92 | 97 |
| 総負債 | - | - | - | - | - | - | - | - | - | - | - | 147 | 145 | 160 |
| 資本金及び資本剰余金 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 利益剰余金 | -662 | -761 | -850 | -941 | -992 | -1,061 | -1,139 | -1,210 | -1,277 | -1,306 | -1,324 | -1,383 | -1,408 | -1,391 |
| 株主資本 | 236 | 289 | 208 | 128 | 91 | 55 | 100 | 109 | 53 | 34 | 30 | -14 | -29 | 3 |
| 運転資本 | - | - | - | - | - | - | - | 13 | 18 | 26 | 28 | 44 |