| 2024 |
| 09/18 | 747 | 751 | 739 | 745 | +0.4% | 3,358,600 | 1兆2154億 | -0.4% |
| 09/17 | 744 | 749 | 728 | 742 | -0.4% | 5,182,300 | 1兆2105億 | -0.67% |
| 09/13 | 760 | 762 | 744 | 745 | -1.97% | 5,369,200 | 1兆2154億 | -0.13% |
| 09/12 | 760 | 769 | 755 | 760 | +2.7% | 5,416,000 | 1兆2399億 | +1.88% |
| 09/11 | 747 | 751 | 730 | 740 | -0.8% | 5,146,200 | 1兆2072億 | -0.67% |
| 09/10 | 761 | 763 | 745 | 746 | -2.23% | 9,701,300 | 1兆2170億 | +0.27% |
| 09/09 | 750 | 766 | 746 | 763 | -0.65% | 4,523,500 | 1兆2448億 | +3.25% |
| 09/06 | 770 | 785 | 766 | 768 | +0.13% | 5,992,000 | 1兆2529億 | +4.07% |
| 09/05 | 745 | 774 | 744 | 767 | +1.99% | 6,724,000 | 1兆2513億 | +3.93% |
| 09/04 | 752 | 761 | 749 | 752 | -2.84% | 5,331,400 | 1兆2268億 | +1.76% |
| 09/03 | 767 | 779 | 765 | 774 | +2.65% | 6,190,300 | 1兆2627億 | +4.59% |
| 09/02 | 755 | 763 | 753 | 754 | +0.53% | 4,081,400 | 1兆2301億 | +1.89% |
| 08/30 | 744 | 750 | 740 | 750 | +1.35% | 11,516,500 | 1兆2236億 | +1.21% |
| 08/29 | 745 | 745 | 737 | 740 | +0.68% | 3,951,700 | 1兆2072億 | -0.13% |
| 08/28 | 731 | 736 | 725 | 735 | +0.14% | 4,193,600 | 1兆1991億 | -1.08% |
| 08/27 | 741 | 743 | 734 | 734 | -1.34% | 4,874,000 | 1兆1975億 | -1.48% |
| 08/26 | 748 | 748 | 739 | 744 | -0.8% | 4,303,600 | 1兆2138億 | -0.4% |
| 08/23 | 748 | 755 | 746 | 750 | +0.4% | 2,467,200 | 1兆2236億 | +0.13% |
| 08/22 | 748 | 758 | 742 | 747 | +0.67% | 4,197,600 | 1兆2187億 | -0.53% |
| 08/21 | 750 | 751 | 738 | 742 | -1.72% | 4,811,700 | 1兆2105億 | -1.46% |
| 08/20 | 763 | 767 | 754 | 755 | +0.4% | 4,532,100 | 1兆2317億 | +0.13% |
| 08/19 | （IR情報）11:00 株式報酬型ストックオプション(新株予約権)の発行内容の確定について |
| 08/19 | 754 | 763 | 751 | 752 | +0.4% | 5,645,500 | 1兆2268億 | -0.27% |
| 08/16 | 754 | 756 | 743 | 749 | +3.31% | 7,982,900 | 1兆2219億 | -0.79% |
| 08/15 | 720 | 728 | 719 | 725 | +0.14% | 5,022,100 | 1兆1828億 | -4.1% |
| 08/14 | 730 | 731 | 719 | 724 | -0.41% | 7,392,000 | 1兆1811億 | -4.36% |
| 08/13 | 718 | 727 | 713 | 727 | +1.11% | 7,052,200 | 1兆1860億 | -4.22% |
| 08/09 | 750 | 751 | 707 | 719 | -2.31% | 9,238,900 | 1兆1730億 | -5.27% |
| 08/08 | 732 | 763 | 725 | 736 | -0.41% | 9,218,800 | 1兆2007億 | -3.29% |
| 08/07 | （IR情報）13:00 2025年3月期第1四半期決算の概要 |
| 08/07 | （IR情報）13:00 2025年3月期第1四半期決算短信〔IFRS〕(連結) |
| 08/07 | 690 | 758 | 680 | 739 | +5.27% | 14,364,400 | 1兆2056億 | -3.02% |
| 08/06 | 667 | 704 | 666 | 702 | +10.55% | 9,249,300 | 1兆1452億 | -7.99% |
| 08/05 | 690 | 695 | 633 | 635 | -13.25% | 9,368,400 | 1兆359億 | -16.99% |
| 08/02 | 753 | 758 | 731 | 732 | -5.55% | 6,443,400 | 1兆1942億 | -4.94% |
| 08/01 | 776 | 781 | 766 | 775 | -1.27% | 5,639,300 | 1兆2643億 | +0.52% |
| 07/31 | 770 | 788 | 766 | 785 | +1.29% | 5,945,800 | 1兆2807億 | +1.95% |
| 07/30 | 776 | 781 | 771 | 775 | -1.15% | 4,135,900 | 1兆2643億 | +0.78% |
| 07/29 | 780 | 787 | 773 | 784 | +2.22% | 3,614,900 | 1兆2790億 | +2.08% |
| 07/26 | 767 | 774 | 758 | 767 | +0.39% | 3,955,600 | 1兆2513億 | 0% |
| 07/25 | 766 | 768 | 756 | 764 | -0.91% | 5,216,200 | 1兆2464億 | -0.26% |
| 07/24 | 780 | 783 | 771 | 771 | -1.78% | 3,959,100 | 1兆2578億 | +0.78% |
| 07/23 | 785 | 788 | 780 | 785 | 0% | 2,362,800 | 1兆2807億 | +2.75% |
| 07/22 | （IR情報）16:00 株式報酬型ストックオプション(新株予約権)の発行について |
| 07/22 | 795 | 797 | 784 | 785 | -1.01% | 3,596,900 | 1兆2807億 | +3.15% |
| 07/19 | 790 | 793 | 785 | 793 | -0.75% | 4,471,800 | 1兆2937億 | +4.34% |
| 07/18 | 803 | 814 | 798 | 799 | -0.62% | 9,292,700 | 1兆3035億 | +5.41% |
| 07/17 | 767 | 806 | 765 | 804 | +6.21% | 14,541,500 | 1兆3117億 | +6.35% |
| 07/16 | 764 | 765 | 755 | 757 | -1.69% | 6,571,200 | 1兆2350億 | +0.26% |
| 07/12 | 766 | 775 | 763 | 770 | -0.52% | 4,826,800 | 1兆2562億 | +1.85% |
| 07/11 | 767 | 776 | 764 | 774 | +1.31% | 6,718,400 | 1兆2627億 | +2.38% |
| 07/10 | 761 | 766 | 756 | 764 | -0.13% | 5,745,300 | 1兆2464億 | +1.06% |
| 07/09 | 766 | 770 | 759 | 765 | +0.66% | 5,778,000 | 1兆2480億 | +1.06% |
| 07/08 | 753 | 763 | 749 | 760 | +1.74% | 8,252,500 | 1兆2399億 | +0.26% |
| 07/05 | 756 | 757 | 747 | 747 | -1.19% | 4,100,300 | 1兆2187億 | -1.71% |
| 07/04 | 754 | 756 | 748 | 756 | +0.13% | 4,132,100 | 1兆2333億 | -0.79% |
| 07/03 | 759 | 764 | 752 | 755 | -0.53% | 7,006,700 | 1兆2317億 | -1.05% |
| 07/02 | 760 | 761 | 755 | 759 | -0.39% | 5,300,600 | 1兆2382億 | -0.65% |
| 07/01 | 767 | 768 | 759 | 762 | 0% | 3,420,800 | 1兆2431億 | -0.52% |
| 06/28 | 762 | 765 | 758 | 762 | +0.4% | 4,578,300 | 1兆2431億 | -0.52% |
| 06/27 | 758 | 760 | 752 | 759 | -0.13% | 4,398,300 | 1兆2382億 | -1.04% |
| 06/26 | 760 | 762 | 751 | 760 | +0.13% | 5,045,900 | 1兆2399億 | -0.91% |
| 06/25 | 754 | 761 | 752 | 759 | +1.74% | 5,183,900 | 1兆2382億 | -1.17% |
| 06/24 | 750 | 751 | 741 | 746 | +0.27% | 4,232,500 | 1兆2170億 | -2.99% |
| 06/21 | 752 | 758 | 740 | 744 | 0% | 7,365,100 | 1兆2138億 | -3.5% |
| 06/20 | 742 | 745 | 737 | 744 | +0.68% | 3,972,900 | 1兆2138億 | -3.63% |
| 06/19 | 745 | 752 | 736 | 739 | -0.4% | 3,735,600 | 1兆2056億 | -4.52% |
| 06/18 | 743 | 751 | 738 | 742 | +1.37% | 7,116,100 | 1兆2105億 | -4.38% |
| 06/17 | 733 | 737 | 726 | 732 | -0.81% | 6,028,800 | 1兆1942億 | -6.03% |
| 06/14 | 731 | 746 | 731 | 738 | -0.4% | 7,439,000 | 1兆2040億 | -5.51% |
| 06/13 | 758 | 758 | 738 | 741 | -2.37% | 7,198,500 | 1兆2089億 | -5% |
| 06/12 | 770 | 772 | 757 | 759 | -2.19% | 5,694,000 | 1兆2382億 | -2.57% |
| 06/11 | 780 | 783 | 776 | 776 | -0.89% | 4,403,100 | 1兆2660億 | -0.13% |
| 06/10 | 781 | 788 | 778 | 783 | +0.77% | 4,015,900 | 1兆2774億 | +1.03% |
| 06/07 | 776 | 780 | 773 | 777 | +0.26% | 3,450,600 | 1兆2676億 | +0.65% |
| 06/06 | 773 | 778 | 770 | 775 | -0.64% | 4,313,100 | 1兆2643億 | +0.65% |
| 06/05 | 791 | 792 | 776 | 780 | -2.74% | 6,131,600 | 1兆2725億 | +1.69% |
| 06/04 | 795 | 817 | 792 | 802 | 0% | 9,027,000 | 1兆3084億 | +4.97% |
| 06/03 | 795 | 807 | 793 | 802 | +2.04% | 7,509,500 | 1兆3084億 | +5.53% |
| 05/31 | 791 | 791 | 781 | 786 | +0.13% | 7,626,500 | 1兆2823億 | +3.83% |
| 05/30 | 786 | 787 | 776 | 785 | -0.13% | 4,544,500 | 1兆2807億 | +4.11% |
| 05/29 | 795 | 797 | 786 | 786 | -1.63% | 3,889,600 | 1兆2823億 | +4.52% |
| 05/28 | 795 | 807 | 794 | 799 | +2.57% | 9,148,200 | 1兆3035億 | +6.68% |
| 05/27 | 775 | 779 | 765 | 779 | +0.52% | 4,373,600 | 1兆2709億 | +4.42% |
| 05/24 | 769 | 781 | 765 | 775 | -0.26% | 4,887,300 | 1兆2643億 | +4.31% |
| 05/23 | 774 | 781 | 760 | 777 | +1.04% | 5,480,200 | 1兆2676億 | +5% |
| 05/22 | 779 | 783 | 769 | 769 | -2.04% | 4,685,300 | 1兆2546億 | +4.06% |
| 05/21 | 788 | 796 | 784 | 785 | -1.01% | 3,996,600 | 1兆2807億 | +6.51% |
| 05/20 | 783 | 799 | 783 | 793 | +0.76% | 5,010,600 | 1兆2937億 | +7.89% |
| 05/17 | 780 | 788 | 775 | 787 | +0.51% | 6,301,700 | 1兆2839億 | +7.37% |
| 05/16 | 790 | 791 | 772 | 783 | -1.01% | 7,590,300 | 1兆2774億 | +7.11% |
| 05/15 | 798 | 806 | 781 | 791 | -1.98% | 9,469,700 | 1兆2905億 | +8.36% |
| 05/14 | 767 | 812 | 764 | 807 | +3.2% | 26,246,800 | 1兆3166億 | +11% |
| 05/13 | （IR情報）12:00 2024年3月期決算の概要と2025年3月期見通しについて |
| 05/13 | （IR情報）12:00 2024年3月期決算短信〔IFRS〕(連結) |
| 05/13 | 722 | 785 | 715 | 782 | +8.76% | 29,207,600 | 1兆2758億 | +8.01% |
| 05/10 | 722 | 729 | 717 | 719 | +0.14% | 7,360,300 | 1兆1730億 | -0.28% |
| 05/09 | （IR情報）17:00 当社子会社(水道機工株式会社)の個別業績の前期実績値との差異に関するお知らせ |
| 05/09 | 709 | 725 | 709 | 718 | +1.13% | 7,002,200 | 1兆1714億 | -0.42% |
| 05/08 | （IR情報）16:30 業績予想の修正に関するお知らせ |
| 05/08 | 709 | 712 | 707 | 710 | -0.7% | 5,664,500 | 1兆1583億 | -1.53% |
| 05/07 | 710 | 717 | 709 | 715 | 0% | 7,311,600 | 1兆1665億 | -0.97% |
| 05/02 | 720 | 721 | 714 | 715 | -0.69% | 3,066,400 | 1兆1665億 | -1.11% |
| 05/01 | 718 | 722 | 715 | 720 | -0.28% | 3,025,500 | 1兆1746億 | -0.55% |
| 04/30 | 716 | 723 | 709 | 722 | +2.7% | 8,642,500 | 1兆1779億 | -0.28% |
| 04/26 | 698 | 706 | 692 | 703 | +0.57% | 6,152,700 | 1兆1469億 | -3.03% |
| 04/25 | 717 | 720 | 698 | 699 | -2.92% | 9,479,600 | 1兆1404億 | -3.85% |
| 04/24 | 719 | 726 | 712 | 720 | +0.56% | 6,111,800 | 1兆1746億 | -1.1% |
