| 2024 |
| 04/26 | 722 | 724 | 705 | 705 | -2.62% | 79,400 | 96億3883万 | -3.82% |
| 04/25 | 727 | 728 | 721 | 724 | -0.41% | 11,000 | 98億9860万 | -1.23% |
| 04/24 | 731 | 732 | 727 | 727 | -0.82% | 10,800 | 99億3961万 | -0.68% |
| 04/23 | 726 | 733 | 724 | 733 | +0.96% | 10,900 | 100億2164万 | +0.14% |
| 04/22 | 730 | 730 | 719 | 726 | +1.68% | 23,400 | 99億2594万 | -0.55% |
| 04/19 | 724 | 724 | 706 | 714 | -1.38% | 15,900 | 97億6187万 | -2.06% |
| 04/18 | 714 | 727 | 714 | 724 | +1.4% | 13,500 | 98億9860万 | -0.55% |
| 04/17 | 720 | 724 | 706 | 714 | -0.83% | 34,400 | 97億6187万 | -1.79% |
| 04/16 | 729 | 729 | 720 | 720 | -1.37% | 23,400 | 98億4391万 | -0.83% |
| 04/15 | 733 | 735 | 729 | 730 | -1.22% | 20,600 | 99億8063万 | +0.69% |
| 04/12 | 736 | 739 | 735 | 739 | +0.41% | 8,400 | 101億368万 | +2.07% |
| 04/11 | 744 | 744 | 736 | 736 | -1.6% | 20,600 | 100億6266万 | +1.94% |
| 04/10 | 734 | 748 | 734 | 748 | +2.33% | 20,300 | 102億2673万 | +3.74% |
| 04/09 | 734 | 734 | 729 | 731 | 0% | 14,700 | 99億9430万 | +1.67% |
| 04/08 | 740 | 741 | 729 | 731 | -0.68% | 22,000 | 99億9430万 | +1.81% |
| 04/05 | 744 | 750 | 719 | 736 | -2.26% | 48,500 | 100億6266万 | +2.79% |
| 04/04 | 750 | 753 | 745 | 753 | +0.4% | 14,600 | 102億9509万 | +5.31% |
| 04/03 | 746 | 755 | 743 | 750 | -0.79% | 14,400 | 102億5407万 | +5.19% |
| 04/02 | 768 | 770 | 754 | 756 | -1.56% | 26,900 | 103億3610万 | +6.33% |
| 04/01 | 770 | 783 | 758 | 768 | +0.39% | 59,800 | 105億17万 | +8.47% |
| 03/29 | 760 | 766 | 752 | 765 | +1.19% | 48,400 | 104億5915万 | +8.36% |
| 03/28 | （IR情報）17:00 海外展開の強化等を目的とした組織変更および人事異動に関するお知らせ |
| 03/28 | 739 | 758 | 733 | 756 | +1.34% | 108,900 | 103億3610万 | +7.54% |
| 03/27 | 780 | 836 | 740 | 746 | +6.42% | 1,009,000 | 101億9938万 | +6.42% |
| 03/26 | （IR情報）17:00 海外における大型案件の受注および各国の現状について |
| 03/26 | 701 | 703 | 700 | 701 | -0.14% | 11,800 | 95億8414万 | +0.29% |
| 03/25 | 704 | 705 | 700 | 702 | -0.28% | 28,100 | 95億9781万 | +0.57% |
| 03/22 | 701 | 704 | 701 | 704 | +0.28% | 14,700 | 96億2515万 | +1% |
| 03/21 | 705 | 705 | 701 | 702 | -0.14% | 23,600 | 95億9781万 | +0.72% |
| 03/19 | 702 | 704 | 700 | 703 | +0.14% | 16,000 | 96億1148万 | +0.72% |
| 03/18 | 701 | 702 | 699 | 702 | +0.57% | 8,800 | 95億9781万 | +0.57% |
| 03/15 | 695 | 700 | 695 | 698 | +0.43% | 11,900 | 95億4312万 | -0.14% |
| 03/14 | 694 | 696 | 691 | 695 | +0.14% | 18,500 | 95億210万 | -0.57% |
| 03/13 | 695 | 696 | 691 | 694 | -0.14% | 11,900 | 94億8843万 | -0.86% |
| 03/12 | 691 | 695 | 688 | 695 | +0.58% | 16,800 | 95億210万 | -0.86% |
| 03/11 | 699 | 700 | 688 | 691 | -1.14% | 51,900 | 94億4742万 | -1.57% |
| 03/08 | 695 | 702 | 695 | 699 | 0% | 27,400 | 95億5679万 | -0.71% |
| 03/07 | 699 | 699 | 695 | 699 | +0.43% | 19,500 | 95億5679万 | -0.71% |
| 03/06 | 699 | 700 | 696 | 696 | -0.57% | 16,400 | 95億1578万 | -1.28% |
| 03/05 | 694 | 700 | 694 | 700 | +0.57% | 16,000 | 95億7047万 | -0.85% |
| 03/04 | 699 | 699 | 694 | 696 | -0.29% | 37,200 | 95億1578万 | -1.56% |
| 03/01 | 701 | 702 | 698 | 698 | -0.29% | 13,200 | 95億4312万 | -1.41% |
| 02/29 | 701 | 702 | 698 | 700 | -0.14% | 22,100 | 95億7047万 | -1.27% |
| 02/28 | 700 | 707 | 700 | 701 | +0.57% | 41,000 | 95億8414万 | -1.27% |
| 02/27 | 703 | 706 | 697 | 697 | -0.85% | 38,000 | 95億2945万 | -1.83% |
| 02/26 | （IR情報）18:00 執行役員制度の廃止及び共同CEO体制の採用並びに取締役の異動に関するお知らせ |
| 02/26 | 702 | 707 | 702 | 703 | +1.01% | 22,200 | 96億1148万 | -1.13% |
| 02/22 | 699 | 700 | 695 | 696 | -0.57% | 25,800 | 95億1578万 | -2.25% |
| 02/21 | 698 | 700 | 694 | 700 | +0.29% | 23,300 | 95億7047万 | -1.82% |
| 02/20 | 708 | 708 | 697 | 698 | -0.71% | 24,900 | 95億4312万 | -2.24% |
| 02/19 | 690 | 704 | 688 | 703 | +2.18% | 32,200 | 96億1148万 | -1.68% |
| 02/16 | 678 | 690 | 678 | 688 | +1.62% | 44,000 | 94億640万 | -3.91% |
| 02/15 | 692 | 697 | 677 | 677 | -3.15% | 89,000 | 92億5601万 | -5.58% |
| 02/14 | （IR情報）15:00 連結業績予想値と実績値との差異並びに特別損失及び特別利益の計上に関するお知らせ |
| 02/14 | （IR情報）15:00 2023年12月期連結決算概要 |
| 02/14 | （IR情報）15:00 2023年12月期決算短信〔日本基準〕(連結) |
| 02/14 | （IR情報）15:00 スリランカ環境省副局長との意見交換の実施について |
| 02/14 | 709 | 709 | 697 | 699 | -1.83% | 72,100 | 95億5679万 | -2.92% |
| 02/13 | 717 | 717 | 710 | 712 | -0.28% | 49,100 | 97億3453万 | -1.25% |
| 02/09 | 716 | 719 | 714 | 714 | -0.14% | 30,100 | 97億6187万 | -0.97% |
| 02/08 | 716 | 718 | 712 | 715 | -0.28% | 31,100 | 97億7555万 | -0.97% |
| 02/07 | 716 | 721 | 716 | 717 | -0.28% | 29,500 | 98億289万 | -0.69% |
| 02/06 | 720 | 721 | 719 | 719 | -0.14% | 11,300 | 98億3023万 | -0.42% |
| 02/05 | 724 | 724 | 719 | 720 | -0.14% | 13,500 | 98億4391万 | -0.55% |
| 02/02 | 719 | 725 | 719 | 721 | 0% | 16,800 | 98億5758万 | -0.69% |
| 02/01 | 721 | 726 | 721 | 721 | -0.14% | 10,400 | 98億5758万 | -0.83% |
| 01/31 | 719 | 725 | 717 | 722 | +0.98% | 26,400 | 98億7125万 | -0.96% |
| 01/30 | 730 | 730 | 715 | 715 | -1.79% | 98,400 | 97億7555万 | -2.19% |
| 01/29 | 720 | 728 | 720 | 728 | +1.25% | 26,800 | 99億5328万 | -0.82% |
| 01/26 | 721 | 724 | 718 | 719 | -0.28% | 20,300 | 98億3023万 | -2.31% |
| 01/25 | 718 | 724 | 718 | 721 | +0.56% | 15,300 | 98億5758万 | -2.3% |
| 01/24 | 719 | 723 | 716 | 717 | 0% | 21,900 | 98億289万 | -3.11% |
| 01/23 | 720 | 721 | 717 | 717 | -0.28% | 16,400 | 98億289万 | -3.24% |
| 01/22 | 723 | 723 | 719 | 719 | +0.42% | 19,300 | 98億3023万 | -3.23% |
| 01/19 | 718 | 723 | 716 | 716 | -0.28% | 24,300 | 97億8922万 | -3.89% |
| 01/18 | 724 | 724 | 718 | 718 | -0.28% | 29,600 | 98億1656万 | -3.88% |
| 01/17 | 724 | 727 | 720 | 720 | -0.55% | 32,300 | 98億4391万 | -3.87% |
| 01/16 | 728 | 733 | 724 | 724 | -0.96% | 20,000 | 98億9860万 | -3.6% |
| 01/15 | 725 | 732 | 725 | 731 | +1.11% | 22,000 | 99億9430万 | -2.92% |
| 01/12 | 732 | 733 | 720 | 723 | -1.23% | 46,200 | 98億8492万 | -4.24% |
| 01/11 | 729 | 732 | 727 | 732 | +0.55% | 27,400 | 100億797万 | -3.3% |
| 01/10 | 730 | 731 | 725 | 728 | -0.27% | 40,100 | 99億5328万 | -4.08% |
| 01/09 | 724 | 731 | 724 | 730 | +1.11% | 29,700 | 99億8063万 | -4.07% |
| 01/05 | 726 | 728 | 719 | 722 | -0.69% | 40,600 | 98億7125万 | -5.25% |
| 01/04 | 720 | 728 | 718 | 727 | +1.25% | 51,500 | 99億3961万 | -4.84% |
| 2023 |
| 12/29 | 717 | 732 | 717 | 718 | -0.42% | 57,100 | 98億1656万 | -6.27% |
| 12/28 | 731 | 744 | 720 | 721 | -5.63% | 195,900 | 98億5758万 | -6.12% |
| 12/27 | 765 | 769 | 762 | 764 | -0.13% | 335,800 | 104億4548万 | -0.78% |
| 12/26 | 767 | 771 | 764 | 765 | -0.13% | 53,300 | 104億5915万 | -0.65% |
| 12/25 | 771 | 775 | 763 | 766 | -0.65% | 54,200 | 104億7282万 | -0.52% |
| 12/22 | 775 | 777 | 771 | 771 | -0.39% | 22,500 | 105億4118万 | +0.26% |
| 12/21 | 780 | 780 | 770 | 774 | -0.77% | 19,900 | 105億8220万 | +0.78% |
| 12/20 | 780 | 781 | 773 | 780 | +1.3% | 37,400 | 106億6423万 | +1.83% |
| 12/19 | 767 | 770 | 761 | 770 | +0.26% | 20,200 | 105億2751万 | +0.65% |
| 12/18 | 764 | 775 | 760 | 768 | +0.13% | 31,300 | 105億17万 | +0.66% |
| 12/15 | （IR情報）15:15 組織変更及び人事異動に関するお知らせ |
| 12/15 | 761 | 768 | 760 | 767 | +0.79% | 23,000 | 104億8650万 | +0.66% |
| 12/14 | 772 | 772 | 759 | 761 | -1.04% | 31,200 | 104億446万 | +0.13% |
| 12/13 | 767 | 777 | 764 | 769 | +0.65% | 19,200 | 105億1384万 | +1.32% |
| 12/12 | 766 | 770 | 763 | 764 | -0.39% | 19,800 | 104億4548万 | +0.79% |
| 12/11 | 766 | 773 | 761 | 767 | 0% | 28,300 | 104億8650万 | +1.32% |
| 12/08 | 776 | 776 | 766 | 767 | -1.41% | 57,700 | 104億8650万 | +1.46% |
| 12/07 | 776 | 782 | 775 | 778 | +0.52% | 26,400 | 106億3689万 | +3.05% |
| 12/06 | 771 | 776 | 771 | 774 | +0.39% | 22,600 | 105億8220万 | +2.65% |
| 12/05 | 772 | 776 | 771 | 771 | -0.13% | 23,800 | 105億4118万 | +2.66% |
| 12/04 | 777 | 778 | 772 | 772 | -0.64% | 24,700 | 105億5486万 | +3.07% |
| 12/01 | 775 | 777 | 772 | 777 | +0.39% | 10,600 | 106億2322万 | +3.88% |
| 11/30 | 768 | 776 | 765 | 774 | +0.78% | 19,600 | 105億8220万 | +3.75% |
