| （単位：十億円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 3Q26 | 1,145 | +22.6% |
| 2Q26 | 1,076 | +16.1% |
| 1Q26 | 934 | -8.5% |
| 4Q25 | 873 | -9.8% |
| 3Q25 | 934 | +1.8% |
| 2Q25 | 927 | -3.9% |
| 1Q25 | 1,021 | +6.2% |
| 4Q24 | 968 | +13.2% |
| 3Q24 | 917 | +7.3% |
| 2Q24 | 964 | +3.5% |
| 1Q24 | 961 | +5.2% |
| 4Q23 | 855 | +4.3% |
| 3Q23 | 855 | +11.7% |
| 2Q23 | 931 | +28.7% |
| 1Q23 | 914 | +24.7% |
| 4Q22 | 820 | +30.4% |
| 3Q22 | 765 | +22.1% |
| 2Q22 | 724 | +31.0% |
| 1Q22 | 733 | +56.3% |
| 4Q21 | 629 | +42.3% |
| 3Q21 | 627 | +40.2% |
| 2Q21 | 553 | +28.2% |
| 1Q21 | 469 | +8.4% |
| 4Q20 | 442 | +5.9% |
| 3Q20 | 447 | - |
| 2Q20 | 431 | - |
| 1Q20 | 433 | - |
| 4Q19 | 417 | +213.5% |
| 4Q18 | 133 | +9.6% |
| 4Q17 | 121 | +22.7% |
| 4Q16 | 99 | -21.2% |
| 4Q15 | 126 | - |