| 2026 |
| 06/22 | 1,831 | 1,840 | 1,810 | 1,834 | +0.27% | 98,600 | 549億2756万 | +5.71% |
| 06/19 | 1,860 | 1,872 | 1,824 | 1,829 | -0.6% | 120,200 | 547億7781万 | +5.66% |
| 06/18 | 1,842 | 1,855 | 1,828 | 1,840 | +0.77% | 143,300 | 551億726万 | +6.36% |
| 06/17 | 1,810 | 1,841 | 1,810 | 1,826 | +1.5% | 146,800 | 546億8796万 | +5.67% |
| 06/16 | 1,807 | 1,807 | 1,786 | 1,799 | +0.33% | 102,400 | 538億7933万 | +4.17% |
| 06/15 | 1,760 | 1,812 | 1,751 | 1,793 | +4.06% | 149,400 | 536億9963万 | +3.82% |
| 06/12 | 1,720 | 1,784 | 1,720 | 1,723 | -2.1% | 183,300 | 516億316万 | -0.23% |
| 06/11 | (IR情報)16:00 2026年10月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 06/11 | 1,740 | 1,760 | 1,718 | 1,760 | +0.34% | 103,900 | 527億1129万 | +1.73% |
| 06/10 | 1,760 | 1,778 | 1,748 | 1,754 | -0.57% | 99,100 | 525億3159万 | +1.33% |
| 06/09 | 1,780 | 1,812 | 1,755 | 1,764 | -0.11% | 202,800 | 528億3109万 | +1.85% |
| 06/08 | 1,750 | 1,818 | 1,744 | 1,766 | +4.5% | 390,400 | 528億9099万 | +1.9% |
| 06/05 | (IR情報)16:00 剰余金の配当(中間配当)および期末配当予想の修正に関するお知らせ |
| 06/05 | (IR情報)16:00 業績予想の修正に関するお知らせ |
| 06/05 | 1,674 | 1,705 | 1,668 | 1,690 | +1.38% | 84,100 | 506億1482万 | -2.54% |
| 06/04 | 1,665 | 1,680 | 1,654 | 1,667 | -0.06% | 74,400 | 499億2598万 | -4.14% |
| 06/03 | 1,653 | 1,672 | 1,647 | 1,668 | +1.03% | 84,100 | 499億5593万 | -4.36% |
| 06/02 | 1,634 | 1,653 | 1,616 | 1,651 | -0.24% | 112,600 | 494億4678万 | -5.6% |
| 06/01 | 1,690 | 1,690 | 1,647 | 1,655 | -2.36% | 168,100 | 495億6658万 | -5.7% |
| 05/29 | 1,700 | 1,719 | 1,695 | 1,695 | -0.29% | 65,300 | 507億6457万 | -3.8% |
| 05/28 | 1,705 | 1,708 | 1,680 | 1,700 | -0.29% | 90,600 | 509億1432万 | -3.85% |
| 05/27 | 1,717 | 1,724 | 1,696 | 1,705 | -0.18% | 87,200 | 510億6406万 | -3.89% |
| 05/26 | 1,701 | 1,723 | 1,696 | 1,708 | -0.18% | 86,700 | 511億5391万 | -4.04% |
| 05/25 | 1,704 | 1,711 | 1,691 | 1,711 | +0.88% | 91,200 | 512億4376万 | -4.25% |
| 05/22 | 1,702 | 1,707 | 1,672 | 1,696 | -0.24% | 109,700 | 507億9452万 | -5.41% |
| 05/21 | 1,707 | 1,715 | 1,693 | 1,700 | +0.24% | 84,800 | 509億1432万 | -5.61% |
| 05/20 | 1,732 | 1,736 | 1,668 | 1,696 | -2.97% | 190,900 | 507億9452万 | -6.19% |
| 05/19 | 1,752 | 1,771 | 1,735 | 1,748 | +0.4% | 122,200 | 523億5190万 | -3.74% |
| 05/18 | 1,788 | 1,788 | 1,736 | 1,741 | -2.63% | 132,200 | 521億4225万 | -4.55% |
| 05/15 | 1,808 | 1,821 | 1,770 | 1,788 | -0.72% | 125,800 | 535億4988万 | -2.3% |
| 05/14 | 1,806 | 1,808 | 1,792 | 1,801 | -0.11% | 93,100 | 539億3922万 | -1.75% |
| 05/13 | 1,800 | 1,809 | 1,789 | 1,803 | +0.95% | 84,200 | 539億9912万 | -1.8% |
| 05/12 | 1,804 | 1,818 | 1,784 | 1,786 | -0.39% | 83,000 | 534億8998万 | -2.88% |
| 05/11 | 1,791 | 1,809 | 1,791 | 1,793 | 0% | 68,600 | 536億9963万 | -2.71% |
| 05/08 | (自社株買い)取締役会(2025年9月26日)での決議状況(取得期間2025年10月15日~2026年4月30日) |
| 05/08 | 1,793 | 1,800 | 1,772 | 1,793 | -0.39% | 96,500 | 536億9963万 | -2.77% |
| 05/07 | 1,796 | 1,824 | 1,788 | 1,800 | +0.73% | 150,300 | 539億928万 | -2.44% |
| 05/01 | 1,775 | 1,789 | 1,756 | 1,787 | +1.19% | 120,000 | 535億1993万 | -3.25% |
| 04/30 | 1,790 | 1,790 | 1,748 | 1,766 | -2.05% | 210,000 | 528億9099万 | -4.49% |
| 04/28 | 1,765 | 1,803 | 1,761 | 1,803 | -0.66% | 275,500 | 539億9912万 | -2.7% |
| 04/27 | 1,795 | 1,825 | 1,786 | 1,815 | +1.4% | 273,700 | 543億5852万 | -2.16% |
| 04/24 | 1,806 | 1,808 | 1,776 | 1,790 | -0.39% | 190,900 | 536億978万 | -3.5% |
| 04/23 | 1,802 | 1,803 | 1,775 | 1,797 | +0.45% | 194,300 | 538億1943万 | -3.34% |
| 04/22 | 1,835 | 1,835 | 1,785 | 1,789 | -2.51% | 258,500 | 535億7983万 | -4.08% |
| 04/21 | 1,859 | 1,860 | 1,820 | 1,835 | -0.6% | 181,900 | 549億5751万 | -1.82% |
| 04/20 | 1,864 | 1,864 | 1,846 | 1,846 | -0.11% | 119,700 | 552億8696万 | -1.34% |
| 04/17 | 1,865 | 1,873 | 1,846 | 1,848 | -0.91% | 144,700 | 553億4686万 | -1.39% |
| 04/16 | 1,880 | 1,885 | 1,863 | 1,865 | -0.37% | 157,800 | 558億5600万 | -0.8% |
| 04/15 | 1,882 | 1,889 | 1,864 | 1,872 | -0.27% | 201,000 | 560億6565万 | -0.79% |
| 04/14 | 1,890 | 1,893 | 1,864 | 1,877 | -0.21% | 194,100 | 562億1539万 | -0.9% |
| 04/13 | 1,882 | 1,890 | 1,864 | 1,881 | -0.05% | 174,900 | 563億3519万 | -0.95% |
| 04/10 | 1,901 | 1,914 | 1,881 | 1,882 | -0.79% | 123,100 | 563億6514万 | -1.31% |
| 04/09 | 1,935 | 1,935 | 1,896 | 1,897 | -1.96% | 217,700 | 568億1439万 | -0.94% |
| 04/08 | 1,922 | 1,935 | 1,909 | 1,935 | +2.38% | 202,800 | 579億5247万 | +0.83% |
| 04/07 | 1,897 | 1,900 | 1,875 | 1,890 | +0.59% | 83,200 | 566億474万 | -1.87% |
| 04/06 | 1,885 | 1,900 | 1,879 | 1,879 | -0.11% | 111,100 | 562億7529万 | -3.04% |
| 04/03 | (自社株買い)取締役会(2025年9月26日)での決議状況(取得期間2025年10月15日~2026年4月30日) |
| 04/03 | 1,871 | 1,896 | 1,867 | 1,881 | +1.07% | 111,200 | 563億3519万 | -3.64% |
| 04/02 | 1,900 | 1,921 | 1,861 | 1,861 | -1.79% | 175,500 | 557億3620万 | -5.24% |
| 04/01 | 1,863 | 1,895 | 1,848 | 1,895 | +4.81% | 84,100 | 567億5449万 | -4.1% |
| 03/31 | 1,810 | 1,839 | 1,801 | 1,808 | -1.15% | 90,600 | 541億4887万 | -9.05% |
| 03/30 | 1,800 | 1,837 | 1,780 | 1,829 | -0.6% | 144,000 | 547億7781万 | -8.6% |
| 03/27 | 1,828 | 1,858 | 1,819 | 1,840 | -0.33% | 96,900 | 551億726万 | -8.64% |
| 03/26 | 1,871 | 1,878 | 1,827 | 1,846 | -1.44% | 95,200 | 552億8696万 | -8.84% |
| 03/25 | 1,875 | 1,890 | 1,856 | 1,873 | +1.3% | 141,600 | 560億9560万 | -7.92% |
| 03/24 | 1,843 | 1,853 | 1,822 | 1,849 | +2.55% | 79,000 | 553億7681万 | -9.54% |
| 03/23 | 1,850 | 1,875 | 1,787 | 1,803 | -4.35% | 164,400 | 539億9912万 | -12.22% |
| 03/19 | 1,912 | 1,917 | 1,882 | 1,885 | -3.23% | 79,500 | 564億5499万 | -8.81% |
| 03/18 | 1,919 | 1,948 | 1,917 | 1,948 | +2.8% | 61,200 | 583億4182万 | -6.12% |
| 03/17 | (IR情報)16:00 バイナリー発電装置をはじめとした低温廃熱の活用分野における今後の事業構想について |
| 03/17 | (IR情報)16:00 第一実業株式会社からの125kWバイナリー発電装置の事業譲受ならびに米国カルネティクステクノロジーズ社タービン発電機技術導入のお知らせ |
| 03/17 | 1,890 | 1,913 | 1,880 | 1,895 | +0.37% | 78,300 | 567億5449万 | -8.85% |
| 03/16 | 1,914 | 1,914 | 1,871 | 1,888 | -1.36% | 127,900 | 565億4484万 | -9.45% |
| 03/13 | 1,880 | 1,944 | 1,872 | 1,914 | -4.2% | 238,400 | 573億2353万 | -8.38% |
| 03/12 | (IR情報)16:00 2026年10月期第1四半期決算短信〔日本基準〕(連結) |
| 03/12 | 2,020 | 2,029 | 1,976 | 1,998 | -2.73% | 189,600 | 598億3930万 | -4.49% |
| 03/11 | 2,070 | 2,085 | 2,054 | 2,054 | +0.24% | 70,200 | 615億1647万 | -1.77% |
| 03/10 | 2,019 | 2,084 | 2,007 | 2,049 | +3.17% | 86,700 | 613億6673万 | -1.73% |
| 03/09 | 1,974 | 2,000 | 1,933 | 1,986 | -4.61% | 163,800 | 594億7990万 | -4.57% |
| 03/06 | (IR情報)16:00 連結子会社の増資および特定子会社の異動に関するお知らせ |
| 03/06 | 2,083 | 2,083 | 2,038 | 2,082 | -0.57% | 81,900 | 623億5506万 | +0.19% |
| 03/05 | 2,076 | 2,117 | 2,071 | 2,094 | +4.86% | 96,000 | 627億1446万 | +1.11% |
| 03/04 | 2,024 | 2,065 | 1,961 | 1,997 | -5.71% | 206,500 | 598億935万 | -3.29% |
| 03/03 | (自社株買い)取締役会(2025年9月26日)での決議状況(取得期間2025年10月15日~2026年4月30日) |
| 03/03 | 2,180 | 2,197 | 2,115 | 2,118 | -2.8% | 115,500 | 634億3325万 | +2.72% |
| 03/02 | 2,171 | 2,200 | 2,143 | 2,179 | -2.42% | 112,200 | 652億6017万 | +6.03% |
| 02/27 | 2,167 | 2,239 | 2,165 | 2,233 | +2.57% | 90,400 | 668億7745万 | +9.14% |
| 02/26 | 2,184 | 2,195 | 2,173 | 2,177 | +0.32% | 77,900 | 652億27万 | +7.08% |
| 02/25 | 2,177 | 2,186 | 2,157 | 2,170 | -0.18% | 88,200 | 649億9063万 | +7.32% |
| 02/24 | 2,157 | 2,187 | 2,138 | 2,174 | +1.3% | 81,500 | 651億1043万 | +8.05% |
| 02/20 | 2,152 | 2,154 | 2,117 | 2,146 | -0.19% | 58,200 | 642億7184万 | +7.14% |
| 02/19 | 2,119 | 2,151 | 2,102 | 2,150 | +1.99% | 85,800 | 643億9164万 | +7.82% |
| 02/18 | 2,099 | 2,114 | 2,079 | 2,108 | +1.44% | 76,900 | 631億3375万 | +6.25% |
| 02/17 | 2,111 | 2,114 | 2,059 | 2,078 | -1.89% | 108,100 | 622億3526万 | +5.22% |
| 02/16 | 2,116 | 2,120 | 2,100 | 2,118 | +0.43% | 102,900 | 634億3325万 | +7.73% |
| 02/13 | 2,129 | 2,131 | 2,083 | 2,109 | -0.94% | 87,700 | 631億6370万 | +7.99% |
| 02/12 | 2,075 | 2,147 | 2,075 | 2,129 | +2.8% | 116,100 | 637億6269万 | +9.69% |
| 02/10 | 2,065 | 2,079 | 2,065 | 2,071 | +0.53% | 57,400 | 620億2562万 | +7.42% |
| 02/09 | 2,083 | 2,083 | 2,046 | 2,060 | +1.33% | 75,200 | 616億9617万 | +7.46% |
| 02/06 | 2,002 | 2,033 | 1,987 | 2,033 | +1.45% | 95,900 | 608億8753万 | +6.66% |
| 02/05 | 2,005 | 2,018 | 1,993 | 2,004 | +0.91% | 61,700 | 600億1899万 | +5.7% |
| 02/04 | 1,972 | 1,992 | 1,959 | 1,986 | +0.61% | 75,500 | 594億7990万 | +5.3% |
| 02/03 | (自社株買い)取締役会(2025年9月26日)での決議状況(取得期間2025年10月15日~2026年4月30日) |
| 02/03 | 1,924 | 1,974 | 1,915 | 1,974 | +3.24% | 104,200 | 591億2051万 | +5.17% |
| 02/02 | 1,930 | 1,950 | 1,909 | 1,912 | -0.83% | 127,600 | 572億6363万 | +2.41% |
| 01/30 | 1,915 | 1,932 | 1,893 | 1,928 | +0.31% | 96,000 | 577億4282万 | +3.66% |
| 01/29 | (IR情報)16:00 当社株式等の大規模買付行為等への対応方針(買収への対応方針)の継続承認および独立委員会委員に関するお知らせ |
| 01/29 | 1,910 | 1,925 | 1,891 | 1,922 | +0.63% | 116,400 | 575億6313万 | +3.78% |
| 01/28 | 1,933 | 1,933 | 1,910 | 1,910 | -1.8% | 98,600 | 572億373万 | +3.58% |
| 01/27 | 1,920 | 1,945 | 1,901 | 1,945 | +1.94% | 98,700 | 582億5197万 | +5.94% |
| 01/26 | 1,950 | 1,950 | 1,906 | 1,908 | -2.65% | 121,800 | 571億4383万 | +4.49% |
| 01/23 | 1,948 | 1,973 | 1,944 | 1,960 | +0.93% | 124,300 | 587億121万 | +7.81% |