| （単位：百万円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 4Q26 | 1,445 | +112.8% |
| 3Q26 | 963 | +57.9% |
| 2Q26 | 816 | +38.5% |
| 4Q25 | 679 | +6.8% |
| 3Q25 | 610 | +8.5% |
| 2Q25 | 589 | +10.3% |
| 1Q25 | 673 | +48.2% |
| 4Q24 | 636 | +31.1% |
| 3Q24 | 562 | +28.0% |
| 2Q24 | 534 | +25.1% |
| 1Q24 | 454 | +4.8% |
| 4Q23 | 485 | +1.7% |
| 3Q23 | 439 | +5.5% |
| 2Q23 | 427 | +0.5% |
| 1Q23 | 433 | +0.9% |
| 4Q22 | 477 | +13.0% |
| 3Q22 | 416 | -2.1% |
| 2Q22 | 425 | -1.4% |
| 1Q22 | 429 | -1.4% |
| 4Q21 | 422 | +0.2% |
| 3Q21 | 425 | +9.5% |
| 2Q21 | 431 | - |
| 1Q21 | 435 | - |
| 4Q20 | 421 | +742.0% |
| 3Q20 | 388 | - |
| 4Q19 | 50 | 0.0% |
| 4Q18 | 50 | 0.0% |
| 4Q17 | 50 | -0.2% |
| 4Q16 | 50 | 0.0% |
| 4Q15 | 50 | - |