| 2024 |
| 04/23 | 3,415 | 3,415 | 3,315 | 3,330 | -0.45% | 9,900 | 430億5690万 | -4.45% |
| 04/22 | 3,280 | 3,360 | 3,275 | 3,345 | +1.83% | 12,800 | 432億5085万 | -4.35% |
| 04/19 | 3,345 | 3,370 | 3,260 | 3,285 | -3.38% | 31,000 | 424億7505万 | -6.33% |
| 04/18 | 3,360 | 3,455 | 3,360 | 3,400 | +1.34% | 14,800 | 439億6200万 | -3.35% |
| 04/17 | 3,400 | 3,415 | 3,295 | 3,355 | -0.89% | 15,700 | 433億8015万 | -4.71% |
| 04/16 | （IR情報）15:30 譲渡制限付株式を活用した従業員向けインセンティブ制度の導入及び譲渡制限付株式としての自己株式の処分に関するお知らせ |
| 04/16 | （IR情報）15:30 譲渡制限付株式報酬としての自己株式の処分に関するお知らせ |
| 04/16 | 3,500 | 3,500 | 3,375 | 3,385 | -4.24% | 14,500 | 437億6805万 | -4.05% |
| 04/15 | 3,520 | 3,550 | 3,485 | 3,535 | +0.28% | 11,100 | 457億755万 | -0.08% |
| 04/12 | 3,570 | 3,600 | 3,515 | 3,525 | -0.84% | 24,600 | 455億7825万 | -0.42% |
| 04/11 | （IR情報）15:30 消化ガスを利用したバイオメタネーションのパイロット規模オンサイト実証試験の国土交通省令和6年度下水道応用研究への採択に関するお知らせ |
| 04/11 | 3,520 | 3,580 | 3,510 | 3,555 | +0.14% | 5,900 | 459億6615万 | +0.45% |
| 04/10 | 3,570 | 3,580 | 3,540 | 3,550 | -0.42% | 7,400 | 459億150万 | +0.54% |
| 04/09 | 3,560 | 3,595 | 3,520 | 3,565 | +1.57% | 12,600 | 460億9545万 | +1.16% |
| 04/08 | 3,410 | 3,520 | 3,365 | 3,510 | +2.93% | 23,700 | 453億8430万 | -0.09% |
| 04/05 | 3,390 | 3,430 | 3,375 | 3,410 | -0.58% | 13,900 | 440億9130万 | -2.54% |
| 04/04 | 3,390 | 3,435 | 3,370 | 3,430 | +0.15% | 19,000 | 443億4990万 | -1.58% |
| 04/03 | 3,415 | 3,430 | 3,375 | 3,425 | -0.72% | 20,700 | 442億8525万 | -1.3% |
| 04/02 | 3,490 | 3,495 | 3,425 | 3,450 | -0.72% | 18,400 | 446億850万 | -0.23% |
| 04/01 | 3,600 | 3,600 | 3,470 | 3,475 | -1.97% | 15,600 | 449億3175万 | +0.99% |
| 03/29 | 3,565 | 3,565 | 3,490 | 3,545 | -0.28% | 12,900 | 458億3685万 | +3.5% |
| 03/28 | 3,655 | 3,660 | 3,545 | 3,555 | -1.8% | 16,300 | 459億6615万 | +4.34% |
| 03/27 | 3,520 | 3,635 | 3,505 | 3,620 | +2.7% | 30,900 | 468億660万 | +6.78% |
| 03/26 | 3,565 | 3,575 | 3,520 | 3,525 | -1.81% | 10,800 | 455億7825万 | +4.54% |
| 03/25 | 3,605 | 3,650 | 3,575 | 3,590 | -0.97% | 17,600 | 464億1870万 | +6.94% |
| 03/22 | 3,560 | 3,645 | 3,525 | 3,625 | +2.55% | 29,300 | 468億7125万 | +8.57% |
| 03/21 | 3,610 | 3,615 | 3,535 | 3,535 | -2.08% | 18,000 | 457億755万 | +6.41% |
| 03/19 | （IR情報）15:30 組織変更及び人事異動に関するお知らせ |
| 03/19 | 3,575 | 3,640 | 3,555 | 3,610 | 0% | 18,000 | 466億7730万 | +9% |
| 03/18 | 3,615 | 3,625 | 3,515 | 3,610 | -0.14% | 20,400 | 466億7730万 | +9.59% |
| 03/15 | 3,540 | 3,625 | 3,530 | 3,615 | +2.12% | 12,500 | 467億4195万 | +10.25% |
| 03/14 | 3,490 | 3,540 | 3,470 | 3,540 | +1.43% | 16,200 | 457億7220万 | +8.52% |
| 03/13 | 3,540 | 3,580 | 3,455 | 3,490 | -1.13% | 26,500 | 451億2570万 | +7.45% |
| 03/12 | 3,605 | 3,605 | 3,485 | 3,530 | -2.75% | 28,100 | 456億4290万 | +8.98% |
| 03/11 | 3,610 | 3,690 | 3,585 | 3,630 | +1.26% | 35,400 | 469億3590万 | +12.73% |
| 03/08 | 3,525 | 3,595 | 3,485 | 3,585 | +2.28% | 45,100 | 463億5405万 | +12.21% |
| 03/07 | 3,400 | 3,520 | 3,365 | 3,505 | +4.47% | 40,700 | 453億1965万 | +10.46% |
| 03/06 | 3,355 | 3,365 | 3,300 | 3,355 | -0.3% | 21,700 | 433億8015万 | +6.37% |
| 03/05 | 3,285 | 3,410 | 3,260 | 3,365 | +2.44% | 36,300 | 435億945万 | +7.13% |
| 03/04 | 3,175 | 3,285 | 3,165 | 3,285 | +3.46% | 29,500 | 424億7505万 | +5.09% |
| 03/01 | 3,060 | 3,180 | 3,040 | 3,175 | +3.93% | 36,300 | 410億5275万 | +1.86% |
| 02/29 | 3,080 | 3,090 | 3,050 | 3,055 | -0.33% | 8,600 | 395億115万 | -1.74% |
| 02/28 | 3,115 | 3,125 | 3,055 | 3,065 | -1.61% | 12,900 | 396億3045万 | -1.38% |
| 02/27 | 3,050 | 3,155 | 3,035 | 3,115 | +2.64% | 16,800 | 402億7695万 | +0.29% |
| 02/26 | 3,045 | 3,080 | 3,020 | 3,035 | -0.82% | 27,000 | 392億4255万 | -2.16% |
| 02/22 | 3,100 | 3,100 | 3,025 | 3,060 | -1.29% | 19,400 | 395億6580万 | -1.32% |
| 02/21 | 3,120 | 3,130 | 3,080 | 3,100 | -0.64% | 12,000 | 400億8300万 | +0.1% |
| 02/20 | （IR情報）15:30 株主提案に対する当社取締役会意見に関するお知らせ |
| 02/20 | （IR情報）15:30 代表取締役の異動及び取締役候補者の決定に関するお知らせ |
| 02/20 | （IR情報）15:30 人事異動に関するお知らせ |
| 02/20 | （IR情報）15:30 剰余金の配当に関するお知らせ |
| 02/20 | （IR情報）15:30 価値創造ストーリーの公開に関するお知らせ |
| 02/20 | （IR情報）15:30 マテリアリティKPIの策定に関するお知らせ |
| 02/20 | （IR情報）15:30 TCFD提言に基づく情報開示に関するお知らせ |
| 02/20 | 3,190 | 3,190 | 3,120 | 3,120 | -1.58% | 14,300 | 403億4160万 | +0.94% |
| 02/19 | 3,165 | 3,195 | 3,145 | 3,170 | +0.16% | 10,200 | 409億8810万 | +2.72% |
| 02/16 | 3,190 | 3,210 | 3,150 | 3,165 | +0.8% | 15,400 | 409億2345万 | +2.86% |
| 02/15 | 3,180 | 3,225 | 3,125 | 3,140 | -1.41% | 14,000 | 406億20万 | +2.28% |
| 02/14 | 3,260 | 3,260 | 3,165 | 3,185 | -3.04% | 14,700 | 411億8205万 | +3.95% |
| 02/13 | 3,170 | 3,285 | 3,165 | 3,285 | +3.63% | 42,600 | 424億7505万 | +7.56% |
| 02/09 | （IR情報）15:30 連結子会社の吸収合併(簡易合併・略式合併)に関するお知らせ |
| 02/09 | （IR情報）15:30 2023年12月期決算補足説明資料 |
| 02/09 | （IR情報）15:30 2023年12月期決算短信〔日本基準〕(連結) |
| 02/09 | 3,180 | 3,185 | 3,140 | 3,170 | -1.71% | 18,400 | 409億8810万 | +4.28% |
| 02/08 | 3,210 | 3,250 | 3,145 | 3,225 | +0.47% | 21,500 | 416億9925万 | +6.44% |
| 02/07 | 3,195 | 3,250 | 3,185 | 3,210 | +0.94% | 16,700 | 415億530万 | +6.33% |
| 02/06 | 3,210 | 3,240 | 3,175 | 3,180 | -2.3% | 19,900 | 411億1740万 | +5.75% |
| 02/05 | 3,265 | 3,315 | 3,185 | 3,255 | +6.55% | 71,000 | 420億8715万 | +8.64% |
| 02/02 | （IR情報）15:30 業績予想の修正に関するお知らせ |
| 02/02 | 3,040 | 3,070 | 3,020 | 3,055 | +1.33% | 13,400 | 395億115万 | +2.65% |
| 02/01 | 3,035 | 3,045 | 2,995 | 3,015 | -0.66% | 15,100 | 389億8395万 | +1.72% |
| 01/31 | 3,000 | 3,045 | 3,000 | 3,035 | +0.17% | 12,400 | 392億4255万 | +2.78% |
| 01/30 | 3,025 | 3,055 | 3,025 | 3,030 | -0.33% | 9,000 | 391億7790万 | +2.99% |
| 01/29 | 2,978 | 3,040 | 2,978 | 3,040 | +1.84% | 8,900 | 393億720万 | +3.61% |
| 01/26 | 3,005 | 3,015 | 2,980 | 2,985 | -1.97% | 19,700 | 385億9605万 | +2.02% |
| 01/25 | 2,985 | 3,050 | 2,956 | 3,045 | +1.81% | 19,400 | 393億7185万 | +4.28% |
| 01/24 | 3,025 | 3,035 | 2,990 | 2,991 | -1.45% | 12,300 | 386億7363万 | +2.68% |
| 01/23 | 3,020 | 3,050 | 3,020 | 3,035 | +0.66% | 13,000 | 392億4255万 | +4.33% |
| 01/22 | 3,040 | 3,050 | 2,991 | 3,015 | +0.17% | 11,600 | 389億8395万 | +3.86% |
| 01/19 | 3,005 | 3,055 | 2,983 | 3,010 | +0.43% | 20,700 | 389億1930万 | +3.9% |
| 01/18 | 2,982 | 3,020 | 2,979 | 2,997 | +1.42% | 16,400 | 387億5121万 | +3.63% |
| 01/17 | 2,972 | 3,020 | 2,955 | 2,955 | -0.57% | 16,000 | 382億815万 | +2.46% |
| 01/16 | 2,993 | 2,998 | 2,957 | 2,972 | -0.7% | 13,600 | 384億2796万 | +3.16% |
| 01/15 | 2,946 | 3,010 | 2,946 | 2,993 | +1.6% | 13,000 | 386億9949万 | +4% |
| 01/12 | 3,000 | 3,010 | 2,936 | 2,946 | -1.27% | 13,500 | 380億9178万 | +2.54% |
| 01/11 | 2,992 | 3,015 | 2,936 | 2,984 | +0.24% | 18,300 | 385億8312万 | +3.94% |
| 01/10 | 2,960 | 2,985 | 2,951 | 2,977 | +1.09% | 8,800 | 384億9261万 | +3.76% |
| 01/09 | 2,912 | 2,969 | 2,910 | 2,945 | +0.68% | 13,300 | 380億7885万 | +2.68% |
| 01/05 | 2,924 | 2,995 | 2,915 | 2,925 | +0.07% | 20,200 | 378億2025万 | +2.06% |
| 01/04 | 2,956 | 2,956 | 2,900 | 2,923 | -1.12% | 18,200 | 377億9439万 | +1.92% |
| 2023 |
| 12/29 | 2,935 | 2,963 | 2,895 | 2,956 | +1.27% | 29,200 | 382億2108万 | +3.07% |
| 12/28 | 2,863 | 3,020 | 2,863 | 2,919 | +0.55% | 38,500 | 377億4267万 | +1.81% |
| 12/27 | 2,766 | 2,905 | 2,766 | 2,903 | +5.45% | 38,700 | 375億3579万 | +1.29% |
| 12/26 | 2,757 | 2,792 | 2,750 | 2,753 | -0.04% | 29,100 | 355億9629万 | -3.91% |
| 12/25 | （IR情報）15:30 組織変更及び人事異動に関するお知らせ |
| 12/25 | 2,742 | 2,767 | 2,740 | 2,754 | +0.51% | 19,500 | 356億922万 | -3.94% |
| 12/22 | 2,771 | 2,771 | 2,713 | 2,740 | -0.33% | 20,400 | 354億2820万 | -4.5% |
| 12/21 | 2,822 | 2,867 | 2,695 | 2,749 | -3% | 51,100 | 355億4457万 | -4.18% |
| 12/20 | 2,849 | 2,888 | 2,834 | 2,834 | -0.53% | 30,700 | 366億4362万 | -1.22% |
| 12/19 | 2,836 | 2,869 | 2,817 | 2,849 | +0.46% | 15,100 | 368億3757万 | -0.56% |
| 12/18 | 2,875 | 2,875 | 2,811 | 2,836 | -1.36% | 8,300 | 366億6948万 | -0.91% |
| 12/15 | 2,890 | 2,904 | 2,861 | 2,875 | +0.14% | 12,900 | 371億7375万 | +0.56% |
| 12/14 | 2,897 | 2,927 | 2,861 | 2,871 | -0.9% | 8,200 | 371億2203万 | +0.63% |
| 12/13 | 2,844 | 2,912 | 2,844 | 2,897 | +0.84% | 10,700 | 374億5821万 | +1.86% |
| 12/12 | 2,872 | 2,898 | 2,849 | 2,873 | +0.03% | 13,900 | 371億4789万 | +1.27% |
| 12/11 | 2,824 | 2,872 | 2,824 | 2,872 | +2.32% | 10,600 | 371億3496万 | +1.41% |
| 12/08 | 2,850 | 2,872 | 2,800 | 2,807 | -2.16% | 16,300 | 362億9451万 | -0.71% |
| 12/07 | 2,889 | 2,913 | 2,865 | 2,869 | -0.93% | 9,900 | 370億9617万 | +1.67% |
| 12/06 | 2,882 | 2,916 | 2,877 | 2,896 | +0.59% | 10,000 | 374億4528万 | +2.99% |
| 12/05 | 2,885 | 2,927 | 2,877 | 2,879 | -0.69% | 10,700 | 372億2547万 | +2.78% |
| 12/04 | 2,901 | 2,925 | 2,884 | 2,899 | -0.75% | 8,900 | 374億8407万 | +3.8% |
| 12/01 | 2,952 | 2,966 | 2,915 | 2,921 | -1.05% | 10,500 | 377億6853万 | +5.03% |
| 11/30 | 2,905 | 2,954 | 2,905 | 2,952 | +1.83% | 8,100 | 381億6936万 | +6.65% |
| 11/29 | 2,963 | 2,988 | 2,892 | 2,899 | -2.13% | 22,800 | 374億8407万 | +5.27% |
| 11/28 | 2,935 | 2,980 | 2,935 | 2,962 | +0.92% | 11,100 | 382億9866万 | +8.02% |
| 11/27 | 2,942 | 2,989 | 2,925 | 2,935 | -0.2% | 16,000 | 379億4955万 | +7.59% |
| 11/21 | （IR情報）15:30 代表取締役および執行役員の役職変更に関するお知らせ |
