| （単位：百万円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 4Q26 | 2,817 | +29.3% |
| 3Q26 | 3,190 | +30.5% |
| 2Q26 | 3,176 | +36.1% |
| 1Q26 | 2,543 | +25.5% |
| 4Q25 | 2,179 | +36.5% |
| 3Q25 | 2,445 | - |
| 2Q25 | 2,333 | - |
| 1Q25 | 2,026 | - |
| 4Q24 | 1,596 | +109.2% |
| 4Q23 | 763 | -8.5% |
| 4Q22 | 834 | +6.5% |
| 4Q21 | 783 | +18.6% |
| 4Q20 | 660 | -2.5% |
| 4Q19 | 677 | -35.2% |
| 4Q18 | 1,044 | +17.6% |
| 4Q17 | 888 | +153.7% |
| 4Q16 | 350 | +77.7% |
| 4Q15 | 197 | - |