| （単位：百万円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2Q26 | 508,466 | +0.8% |
| 1Q26 | 486,250 | -10.4% |
| 4Q25 | 470,907 | -12.5% |
| 3Q25 | 470,285 | -8.6% |
| 2Q25 | 504,362 | +2.7% |
| 1Q25 | 542,595 | +3.5% |
| 4Q24 | 538,126 | +3.3% |
| 3Q24 | 514,597 | +1.3% |
| 2Q24 | 491,041 | -3.7% |
| 1Q24 | 524,219 | +12.0% |
| 4Q23 | 521,135 | +6.9% |
| 3Q23 | 507,838 | +8.0% |
| 2Q23 | 509,702 | -8.2% |
| 1Q23 | 468,169 | -16.0% |
| 4Q22 | 487,430 | -13.0% |
| 3Q22 | 470,153 | -10.9% |
| 2Q22 | 555,007 | +34.3% |
| 1Q22 | 557,146 | +35.5% |
| 4Q21 | 560,213 | +43.1% |
| 3Q21 | 527,453 | +26.8% |
| 2Q21 | 413,236 | +2.5% |
| 1Q21 | 411,052 | -3.9% |
| 4Q20 | 391,538 | -12.6% |
| 3Q20 | 416,107 | - |
| 2Q20 | 403,283 | - |
| 1Q20 | 427,821 | - |
| 4Q19 | 447,888 | -26.0% |
| 4Q18 | 605,434 | +4.6% |
| 3Q18 | 684,242 | +19.9% |
| 2Q18 | 605,553 | +23.9% |
| 1Q18 | 594,907 | +26.5% |
| 4Q17 | 578,758 | +8.3% |
| 3Q17 | 570,496 | -4.5% |
| 2Q17 | 488,751 | -13.8% |
| 1Q17 | 470,123 | - |
| 4Q16 | 534,287 | -8.4% |
| 3Q16 | 597,412 | - |
| 2Q16 | 566,823 | - |
| 4Q15 | 583,496 | - |