| 2026 |
| 03/06 | （IR情報）15:30 第60回日本水環境学会年会におけるポスター発表に関するお知らせ |
| 03/06 | 1,618 | 1,618 | 1,612 | 1,615 | -0.25% | 2,500 | 140億7181万 | +0.56% |
| 03/05 | 1,611 | 1,640 | 1,611 | 1,619 | +0.5% | 5,100 | 141億667万 | +0.94% |
| 03/04 | 1,629 | 1,629 | 1,611 | 1,611 | -1.65% | 10,600 | 140億3696万 | +0.5% |
| 03/03 | 1,626 | 1,652 | 1,626 | 1,638 | +0.74% | 7,300 | 142億7222万 | +2.25% |
| 03/02 | 1,640 | 1,645 | 1,625 | 1,626 | -0.85% | 13,200 | 141億6766万 | +1.56% |
| 02/27 | 1,650 | 1,652 | 1,623 | 1,640 | -0.61% | 11,000 | 142億8964万 | +2.56% |
| 02/26 | 1,641 | 1,650 | 1,635 | 1,650 | +0.92% | 11,100 | 143億7678万 | +3.32% |
| 02/25 | 1,648 | 1,648 | 1,615 | 1,635 | +0.31% | 14,200 | 142億4608万 | +2.57% |
| 02/24 | 1,599 | 1,630 | 1,596 | 1,630 | +2.58% | 25,200 | 142億251万 | +2.39% |
| 02/20 | （IR情報）16:45 株主優待制度の変更(拡充)に関するお知らせ |
| 02/20 | （IR情報）16:45 福岡証券取引所への重複上場申請に関する取締役会決議のお知らせ |
| 02/20 | （IR情報）16:45 札幌証券取引所への重複上場申請に関する取締役会決議のお知らせ |
| 02/20 | 1,590 | 1,592 | 1,585 | 1,589 | -0.25% | 4,400 | 138億4527万 | -0.06% |
| 02/19 | 1,602 | 1,607 | 1,591 | 1,593 | 0% | 2,000 | 138億8012万 | +0.19% |
| 02/18 | 1,587 | 1,603 | 1,587 | 1,593 | -0.44% | 3,800 | 138億8012万 | +0.19% |
| 02/17 | 1,585 | 1,600 | 1,585 | 1,600 | +0.76% | 3,900 | 139億4112万 | +0.63% |
| 02/16 | 1,585 | 1,600 | 1,585 | 1,588 | +0.38% | 3,200 | 138億3656万 | -0.13% |
| 02/13 | （IR情報）16:50 （訂正）2026年２月13日に公表したＰＲ情報の一部訂正について |
| 02/13 | （IR情報）15:40 2026年9月期第1四半期決算説明資料 |
| 02/13 | （IR情報）15:40 2026年9月期第1四半期決算短信〔日本基準〕(連結) |
| 02/13 | （IR情報）15:40 グループ組織再編（連結子会社間の合併）に関するお知らせ |
| 02/13 | 1,604 | 1,614 | 1,582 | 1,582 | -1.06% | 3,700 | 137億8428万 | -0.5% |
| 02/12 | 1,600 | 1,605 | 1,590 | 1,599 | 0% | 4,200 | 139億3240万 | +0.5% |
| 02/10 | 1,590 | 1,600 | 1,590 | 1,599 | +0.5% | 2,500 | 139億3240万 | +0.5% |
| 02/09 | 1,598 | 1,598 | 1,590 | 1,591 | -0.25% | 2,100 | 138億6270万 | +0.13% |
| 02/06 | 1,600 | 1,603 | 1,592 | 1,595 | -0.06% | 4,100 | 138億9755万 | +0.44% |
| 02/05 | 1,600 | 1,600 | 1,596 | 1,596 | +0.13% | 400 | 139億626万 | +0.57% |
| 02/04 | 1,602 | 1,602 | 1,594 | 1,594 | -0.38% | 2,600 | 138億8884万 | +0.57% |
| 02/03 | 1,593 | 1,600 | 1,593 | 1,600 | +0.63% | 3,900 | 139億4112万 | +1.14% |
| 02/02 | 1,583 | 1,591 | 1,580 | 1,590 | +0.13% | 4,000 | 138億5398万 | +0.7% |
| 01/30 | 1,581 | 1,588 | 1,581 | 1,588 | +0.19% | 3,400 | 138億3656万 | +0.76% |
| 01/29 | 1,581 | 1,589 | 1,581 | 1,585 | +0.25% | 3,700 | 138億1042万 | +0.7% |
| 01/28 | 1,592 | 1,592 | 1,581 | 1,581 | -0.32% | 2,800 | 137億7556万 | +0.57% |
| 01/27 | 1,592 | 1,594 | 1,582 | 1,586 | -0.38% | 2,900 | 138億1913万 | +1.02% |
| 01/26 | 1,580 | 1,592 | 1,580 | 1,592 | 0% | 2,600 | 138億7141万 | +1.53% |
| 01/23 | 1,584 | 1,592 | 1,584 | 1,592 | +0.51% | 2,500 | 138億7141万 | +1.66% |
| 01/22 | 1,581 | 1,591 | 1,581 | 1,584 | +0.19% | 1,300 | 138億170万 | +1.21% |
| 01/21 | 1,590 | 1,592 | 1,580 | 1,581 | -0.75% | 6,200 | 137億7556万 | +1.15% |
| 01/20 | 1,582 | 1,593 | 1,582 | 1,593 | +0.76% | 1,100 | 138億8012万 | +1.98% |
| 01/19 | 1,593 | 1,595 | 1,581 | 1,581 | -0.06% | 3,400 | 137億7556万 | +1.35% |
| 01/16 | 1,588 | 1,595 | 1,577 | 1,582 | -0.38% | 5,000 | 137億8428万 | +1.41% |
| 01/15 | 1,590 | 1,595 | 1,582 | 1,588 | +0.32% | 3,600 | 138億3656万 | +1.86% |
| 01/14 | 1,595 | 1,595 | 1,583 | 1,583 | -0.75% | 4,600 | 137億9299万 | +1.6% |
| 01/13 | 1,603 | 1,603 | 1,591 | 1,595 | -0.25% | 5,600 | 138億9755万 | +2.44% |
| 01/09 | 1,599 | 1,600 | 1,580 | 1,599 | 0% | 3,500 | 139億3240万 | +2.76% |
| 01/08 | 1,599 | 1,600 | 1,595 | 1,599 | -0.06% | 1,700 | 139億3240万 | +2.9% |
| 01/07 | 1,598 | 1,600 | 1,563 | 1,600 | +0.06% | 5,300 | 139億4112万 | +3.09% |
| 01/06 | 1,575 | 1,600 | 1,572 | 1,599 | +2.37% | 6,400 | 139億3240万 | +3.09% |
| 01/05 | 1,549 | 1,575 | 1,549 | 1,562 | +0.84% | 3,600 | 136億1001万 | +0.77% |
| 2025 |
| 12/30 | 1,567 | 1,569 | 1,549 | 1,549 | -0.96% | 2,500 | 134億9674万 | -0.06% |
| 12/29 | 1,569 | 1,569 | 1,555 | 1,564 | +0.97% | 5,300 | 136億2744万 | +0.97% |
| 12/26 | （IR情報）15:40 JICA「中小企業・SDGsビジネス支援事業」採択に関するお知らせ |
| 12/26 | 1,542 | 1,549 | 1,528 | 1,549 | +1.71% | 5,500 | 134億9674万 | +0.13% |
| 12/25 | 1,524 | 1,525 | 1,523 | 1,523 | 0% | 3,200 | 132億7020万 | -1.42% |
| 12/24 | （IR情報）15:40 資本コストや株価を意識した経営の実現に向けた対応に関するお知らせ(アップデート) |
| 12/24 | 1,520 | 1,523 | 1,520 | 1,523 | -0.13% | 4,000 | 132億7020万 | -1.36% |
| 12/23 | 1,537 | 1,537 | 1,525 | 1,525 | -0.33% | 4,500 | 132億8763万 | -1.17% |
| 12/22 | 1,529 | 1,536 | 1,529 | 1,530 | -0.39% | 2,600 | 133億3119万 | -0.84% |
| 12/19 | 1,544 | 1,544 | 1,535 | 1,536 | +0.52% | 1,100 | 133億8347万 | -0.39% |
| 12/18 | 1,548 | 1,548 | 1,523 | 1,528 | -0.46% | 1,500 | 133億1376万 | -0.84% |
| 12/17 | 1,547 | 1,548 | 1,535 | 1,535 | -1.22% | 2,500 | 133億7476万 | -0.32% |
| 12/16 | 1,555 | 1,555 | 1,550 | 1,554 | +0.13% | 2,700 | 135億4031万 | +0.97% |
| 12/15 | 1,544 | 1,553 | 1,544 | 1,552 | +0.52% | 3,800 | 135億2288万 | +0.91% |
| 12/12 | 1,551 | 1,558 | 1,530 | 1,544 | -0.45% | 4,300 | 134億5318万 | +0.52% |
| 12/11 | 1,560 | 1,560 | 1,550 | 1,551 | -0.58% | 1,300 | 135億1417万 | +1.11% |
| 12/10 | 1,567 | 1,568 | 1,560 | 1,560 | -0.38% | 600 | 135億9259万 | +1.83% |
| 12/09 | 1,560 | 1,566 | 1,553 | 1,566 | +0.13% | 2,300 | 136億4487万 | +2.35% |
| 12/08 | 1,552 | 1,564 | 1,552 | 1,564 | +0.58% | 3,400 | 136億2744万 | +2.36% |
| 12/05 | 1,555 | 1,563 | 1,552 | 1,555 | -1.02% | 4,400 | 135億4902万 | +1.9% |
| 12/04 | 1,568 | 1,575 | 1,550 | 1,571 | +1.09% | 3,800 | 136億8843万 | +3.08% |
| 12/03 | 1,568 | 1,570 | 1,552 | 1,554 | +0.26% | 2,100 | 135億4031万 | +2.17% |
| 12/02 | 1,554 | 1,575 | 1,550 | 1,550 | -0.26% | 6,200 | 135億546万 | +2.04% |
| 12/01 | 1,581 | 1,581 | 1,553 | 1,554 | -1.77% | 5,600 | 135億4031万 | +2.37% |
| 11/28 | 1,575 | 1,585 | 1,575 | 1,582 | +0.64% | 3,200 | 137億8428万 | +4.28% |
| 11/27 | 1,574 | 1,574 | 1,551 | 1,572 | +0.83% | 4,600 | 136億9715万 | +3.83% |
| 11/26 | 1,532 | 1,560 | 1,532 | 1,559 | +1.76% | 7,000 | 135億8387万 | +3.11% |
| 11/25 | （IR情報）16:30 役員候補者に関するお知らせ |
| 11/25 | 1,514 | 1,544 | 1,513 | 1,532 | +2.13% | 10,500 | 133億4862万 | +1.46% |
| 11/21 | 1,500 | 1,505 | 1,499 | 1,500 | -0.27% | 1,900 | 130億6980万 | -0.6% |
| 11/20 | 1,503 | 1,510 | 1,493 | 1,504 | +0.07% | 8,400 | 131億465万 | -0.27% |
| 11/19 | 1,516 | 1,516 | 1,502 | 1,503 | +0.07% | 1,600 | 130億9593万 | -0.33% |
| 11/18 | 1,510 | 1,514 | 1,502 | 1,502 | -0.79% | 2,700 | 130億8722万 | -0.33% |
| 11/17 | 1,510 | 1,515 | 1,510 | 1,514 | +0.13% | 2,900 | 131億9178万 | +0.4% |
| 11/14 | （IR情報）15:40 2025年9月期決算説明資料 |
| 11/14 | （IR情報）15:40 2025年9月期決算短信〔日本基準〕(連結) |
| 11/14 | （IR情報）15:40 剰余金の配当に関するお知らせ |
| 11/14 | （IR情報）15:40 通期連結業績予想値と実績値との差異に関するお知らせ |
| 11/14 | 1,501 | 1,512 | 1,500 | 1,512 | +0.73% | 2,700 | 131億7435万 | +0.33% |
| 11/13 | 1,499 | 1,505 | 1,499 | 1,501 | -0.86% | 3,500 | 130億7851万 | -0.46% |
| 11/12 | 1,499 | 1,517 | 1,499 | 1,514 | +0.26% | 3,700 | 131億9178万 | +0.4% |
| 11/11 | 1,517 | 1,517 | 1,510 | 1,510 | -0.46% | 2,200 | 131億5693万 | +0.13% |
| 11/10 | 1,493 | 1,517 | 1,493 | 1,517 | +0.73% | 2,900 | 132億1792万 | +0.6% |
| 11/07 | 1,519 | 1,519 | 1,505 | 1,506 | +0.27% | 1,900 | 131億2207万 | -0.07% |
| 11/06 | 1,500 | 1,509 | 1,500 | 1,502 | +0.13% | 1,400 | 130億8722万 | -0.4% |
| 11/05 | 1,503 | 1,518 | 1,495 | 1,500 | -0.6% | 6,000 | 130億6980万 | -0.66% |
| 11/04 | 1,512 | 1,520 | 1,508 | 1,509 | -0.2% | 4,100 | 131億4821万 | -0.2% |
| 10/31 | 1,519 | 1,519 | 1,502 | 1,512 | +0.13% | 3,100 | 131億7435万 | -0.4% |
| 10/30 | 1,501 | 1,512 | 1,501 | 1,510 | +0.47% | 2,900 | 131億5693万 | -0.85% |
| 10/29 | 1,509 | 1,518 | 1,503 | 1,503 | -0.4% | 2,400 | 130億9593万 | -1.64% |
| 10/28 | 1,515 | 1,515 | 1,502 | 1,509 | +0.07% | 4,200 | 131億4821万 | -1.63% |
| 10/27 | 1,517 | 1,517 | 1,504 | 1,508 | -0.59% | 4,800 | 131億3950万 | -1.95% |
| 10/24 | 1,520 | 1,525 | 1,505 | 1,517 | -0.2% | 5,600 | 132億1792万 | -1.69% |
| 10/23 | 1,518 | 1,531 | 1,514 | 1,520 | -0.13% | 3,900 | 132億4406万 | -1.81% |
| 10/22 | 1,507 | 1,522 | 1,506 | 1,522 | +1% | 5,300 | 132億6012万 | -1.93% |
| 10/21 | 1,506 | 1,509 | 1,503 | 1,507 | +0.07% | 2,200 | 131億2943万 | -3.21% |
| 10/20 | 1,501 | 1,510 | 1,500 | 1,506 | 0% | 4,000 | 131億2072万 | -3.65% |
| 10/17 | 1,506 | 1,506 | 1,506 | 1,506 | +1.21% | 200 | 131億2072万 | -4.02% |
| 10/16 | 1,493 | 1,498 | 1,487 | 1,488 | -0.67% | 5,800 | 129億6390万 | -5.52% |
| 10/15 | 1,491 | 1,499 | 1,490 | 1,498 | +0.47% | 2,800 | 130億5102万 | -5.31% |
| 10/14 | 1,501 | 1,501 | 1,490 | 1,491 | -1.13% | 7,900 | 129億9003万 | -6.17% |
| 10/10 | 1,517 | 1,517 | 1,500 | 1,508 | -0.2% | 7,200 | 131億3814万 | -5.45% |
| 10/09 | 1,511 | 1,521 | 1,510 | 1,511 | -0.33% | 6,900 | 131億6428万 | -5.56% |
| 10/08 | 1,510 | 1,531 | 1,510 | 1,516 | +0.53% | 4,500 | 132億784万 | -5.55% |
| 10/07 | 1,505 | 1,523 | 1,500 | 1,508 | +0.2% | 10,700 | 131億3814万 | -6.28% |
| 10/01 | （IR情報）14:00 地域密着型スポーツ振興に向けた協賛契約締結のお知らせ |
10年以上蓄積したファイナンスデータとAIを掛け合わせて、投資の意思決定を加速させるポジションです。
