| 2026 |
| 03/06 | 5,810 | 6,010 | 5,810 | 5,990 | -0.33% | 900 | 286億1363万 | +2.69% |
| 03/05 | 5,920 | 6,100 | 5,920 | 6,010 | +5.07% | 4,000 | 287億916万 | +3.37% |
| 03/04 | 6,090 | 6,090 | 5,530 | 5,720 | -7.59% | 7,700 | 273億2386万 | -1.31% |
| 03/03 | 6,180 | 6,250 | 5,980 | 6,190 | +0.16% | 2,900 | 295億6901万 | +6.83% |
| 03/02 | 6,090 | 6,200 | 6,000 | 6,180 | +1.48% | 3,700 | 295億2124万 | +7.05% |
| 02/27 | 6,160 | 6,170 | 6,060 | 6,090 | -1.3% | 1,600 | 290億9132万 | +5.8% |
| 02/26 | 6,010 | 6,210 | 6,010 | 6,170 | +2.66% | 3,400 | 294億7347万 | +7.49% |
| 02/25 | 5,990 | 6,040 | 5,880 | 6,010 | +0.5% | 5,600 | 287億916万 | +5.13% |
| 02/24 | 5,910 | 6,000 | 5,880 | 5,980 | +1.01% | 6,700 | 285億6586万 | +4.91% |
| 02/20 | (IR情報)16:00 執行役員の異動に関するお知らせ |
| 02/20 | 5,900 | 5,920 | 5,850 | 5,920 | +0.51% | 1,500 | 282億7924万 | +4.13% |
| 02/19 | 6,000 | 6,000 | 5,850 | 5,890 | -1.34% | 3,700 | 281億3594万 | +3.88% |
| 02/18 | 5,910 | 6,080 | 5,810 | 5,970 | +1.02% | 4,200 | 285億1809万 | +5.51% |
| 02/17 | 6,090 | 6,100 | 5,840 | 5,910 | -1.66% | 4,300 | 282億3147万 | +4.79% |
| 02/16 | 5,890 | 6,130 | 5,890 | 6,010 | +3.44% | 4,300 | 287億916万 | +6.92% |
| 02/13 | (IR情報)14:00 期末配当予想の修正(増配)に関するお知らせ |
| 02/13 | (IR情報)14:00 2026年3月期第3四半期決算補足説明資料 |
| 02/13 | (IR情報)14:00 2026年3月期第3四半期決算短信〔日本基準〕(連結) |
| 02/13 | 5,970 | 6,040 | 5,800 | 5,810 | -2.68% | 5,900 | 277億5378万 | +3.68% |
| 02/12 | 5,690 | 6,000 | 5,690 | 5,970 | +4.19% | 3,300 | 285億1809万 | +6.82% |
| 02/10 | 5,800 | 5,800 | 5,730 | 5,730 | 0% | 200 | 273億7163万 | +2.91% |
| 02/09 | 5,680 | 5,800 | 5,680 | 5,730 | +0.88% | 2,000 | 273億7163万 | +3.17% |
| 02/06 | 5,570 | 5,690 | 5,570 | 5,680 | +0.71% | 1,500 | 271億3279万 | +2.6% |
| 02/05 | 5,580 | 5,660 | 5,520 | 5,640 | +2.55% | 1,300 | 269億4171万 | +2.21% |
| 02/04 | 5,400 | 5,510 | 5,400 | 5,500 | +1.85% | 700 | 262億7295万 | 0% |
| 02/03 | 5,460 | 5,480 | 5,360 | 5,400 | -0.55% | 1,000 | 257億9526万 | -1.6% |
| 02/02 | 5,480 | 5,550 | 5,370 | 5,430 | +0.56% | 1,600 | 259億3856万 | -0.91% |
| 01/30 | 5,470 | 5,510 | 5,280 | 5,400 | -1.82% | 7,700 | 257億9526万 | -1.26% |
| 01/29 | (IR情報)14:00 水処理設備用エネルギー回収装置「DeROs-E」が2025年度(令和7年度)省エネ大賞「経済産業大臣賞」を受賞 |
| 01/29 | 5,520 | 5,590 | 5,490 | 5,500 | -0.18% | 2,600 | 262億7295万 | +0.77% |
| 01/28 | 5,540 | 5,560 | 5,510 | 5,510 | -1.08% | 1,300 | 263億2071万 | +1.21% |
| 01/27 | 5,620 | 5,650 | 5,530 | 5,570 | -1.42% | 1,400 | 266億733万 | +2.56% |
| 01/26 | 5,770 | 5,770 | 5,650 | 5,650 | -0.35% | 3,600 | 269億8948万 | +4.4% |
| 01/23 | 5,800 | 5,800 | 5,670 | 5,670 | -1.73% | 2,500 | 270億8502万 | +5.19% |
| 01/22 | 5,720 | 5,780 | 5,650 | 5,770 | +1.58% | 5,400 | 275億6271万 | +7.53% |
| 01/21 | 5,590 | 5,690 | 5,520 | 5,680 | +1.43% | 3,400 | 271億3279万 | +6.39% |
| 01/20 | 5,590 | 5,600 | 5,530 | 5,600 | +0.18% | 3,200 | 267億5064万 | +5.38% |
| 01/19 | 5,590 | 5,590 | 5,580 | 5,590 | 0% | 1,000 | 267億287万 | +5.59% |
| 01/16 | 5,550 | 5,600 | 5,490 | 5,590 | +0.72% | 1,400 | 267億287万 | +5.99% |
| 01/15 | 5,550 | 5,550 | 5,500 | 5,550 | -0.72% | 1,400 | 265億1179万 | +5.63% |
| 01/14 | 5,550 | 5,600 | 5,550 | 5,590 | +1.45% | 3,200 | 267億287万 | +6.74% |
| 01/13 | 5,480 | 5,580 | 5,460 | 5,510 | +1.29% | 3,300 | 263億2071万 | +5.6% |
| 01/09 | 5,390 | 5,490 | 5,330 | 5,440 | -2.68% | 6,200 | 259億8633万 | +4.58% |
| 01/08 | 5,420 | 5,600 | 5,400 | 5,590 | +2.95% | 3,900 | 267億287万 | +7.75% |
| 01/07 | 5,450 | 5,520 | 5,380 | 5,430 | -0.37% | 3,200 | 259億3856万 | +5.07% |
| 01/06 | 5,360 | 5,480 | 5,340 | 5,450 | +1.3% | 3,300 | 260億3410万 | +5.7% |
| 01/05 | 5,480 | 5,480 | 5,300 | 5,380 | +1.89% | 2,900 | 256億9972万 | +4.67% |
| 2025 |
| 12/30 | 5,240 | 5,300 | 5,220 | 5,280 | +0.76% | 2,200 | 252億2203万 | +2.98% |
| 12/29 | 5,200 | 5,250 | 5,200 | 5,240 | +0.96% | 1,200 | 250億3095万 | +2.42% |
| 12/26 | 5,200 | 5,200 | 5,140 | 5,190 | 0% | 1,800 | 247億9211万 | +1.65% |
| 12/25 | 5,250 | 5,250 | 5,150 | 5,190 | -0.19% | 2,100 | 247億9211万 | +1.78% |
| 12/24 | 5,170 | 5,200 | 5,120 | 5,200 | +0.97% | 5,500 | 248億3988万 | +2.12% |
| 12/23 | 5,160 | 5,160 | 5,120 | 5,150 | +0.39% | 2,300 | 246億103万 | +1.36% |
| 12/22 | 5,140 | 5,140 | 5,100 | 5,130 | -0.19% | 1,900 | 245億549万 | +1% |
| 12/19 | 5,190 | 5,200 | 5,120 | 5,140 | -1.15% | 1,200 | 245億5326万 | +1.18% |
| 12/18 | 5,120 | 5,200 | 5,100 | 5,200 | +1.96% | 1,700 | 248億3988万 | +2.36% |
| 12/17 | 5,090 | 5,100 | 5,080 | 5,100 | +0.2% | 800 | 243億6219万 | +0.45% |
| 12/16 | 5,080 | 5,100 | 5,030 | 5,090 | +0.2% | 1,700 | 243億1442万 | +0.28% |
| 12/15 | 5,080 | 5,150 | 5,080 | 5,080 | 0% | 1,500 | 242億6665万 | +0.08% |
| 12/12 | 5,170 | 5,170 | 5,080 | 5,080 | +0.2% | 2,300 | 242億6665万 | +0.02% |
| 12/11 | 5,100 | 5,100 | 5,070 | 5,070 | -0.2% | 500 | 242億1888万 | -0.2% |
| 12/10 | 5,070 | 5,100 | 5,070 | 5,080 | -0.2% | 900 | 242億6665万 | 0% |
| 12/09 | 5,110 | 5,140 | 5,090 | 5,090 | -0.2% | 800 | 243億1442万 | +0.14% |
| 12/08 | 5,100 | 5,150 | 5,100 | 5,100 | -0.39% | 500 | 243億6219万 | +0.28% |
| 12/05 | 5,140 | 5,140 | 5,080 | 5,120 | 0% | 300 | 244億5772万 | +0.65% |
| 12/04 | 5,090 | 5,200 | 5,090 | 5,120 | +0.2% | 600 | 244億5772万 | +0.63% |
| 12/03 | 5,080 | 5,140 | 5,080 | 5,110 | +0.59% | 1,000 | 244億995万 | +0.43% |
| 12/02 | 5,090 | 5,130 | 5,080 | 5,080 | -0.2% | 700 | 242億6665万 | -0.14% |
| 12/01 | 5,130 | 5,130 | 5,090 | 5,090 | -0.78% | 900 | 243億1442万 | -0.04% |
| 11/28 | 5,060 | 5,130 | 5,060 | 5,130 | +1.58% | 2,100 | 245億549万 | +0.71% |
| 11/27 | 5,060 | 5,070 | 5,050 | 5,050 | -0.2% | 800 | 241億2334万 | -0.84% |
| 11/26 | 5,070 | 5,090 | 5,010 | 5,060 | +1% | 1,600 | 241億7111万 | -0.63% |
| 11/25 | 5,070 | 5,070 | 5,010 | 5,010 | +0.2% | 1,800 | 239億3226万 | -1.61% |
| 11/21 | (IR情報)16:00 再発防止策の進捗状況に関するお知らせ(最終報告) |
| 11/21 | 5,010 | 5,010 | 5,000 | 5,000 | -0.2% | 500 | 238億8450万 | -1.79% |
| 11/20 | 5,010 | 5,050 | 5,010 | 5,010 | 0% | 800 | 239億3226万 | -1.65% |
| 11/19 | 5,000 | 5,010 | 4,950 | 5,010 | +1.62% | 3,700 | 239億3226万 | -1.67% |
| 11/18 | 5,090 | 5,090 | 4,905 | 4,930 | -3.14% | 3,800 | 235億5011万 | -3.26% |
| 11/17 | 5,170 | 5,230 | 5,070 | 5,090 | -1.17% | 1,100 | 243億1442万 | -0.24% |
| 11/14 | (IR情報)14:00 2026年3月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 11/14 | (IR情報)14:00 2026年3月期第2四半期(中間期)決算補足説明資料 |
| 11/14 | 5,070 | 5,300 | 5,050 | 5,150 | 0% | 5,700 | 246億103万 | +0.92% |
| 11/13 | 5,120 | 5,150 | 5,070 | 5,150 | +0.59% | 2,700 | 246億103万 | +0.9% |
| 11/12 | 5,160 | 5,160 | 5,080 | 5,120 | +0.99% | 500 | 244億5772万 | +0.33% |
| 11/11 | 5,160 | 5,160 | 5,070 | 5,070 | -0.39% | 400 | 242億1888万 | -0.63% |
| 11/10 | 5,130 | 5,160 | 5,090 | 5,090 | -1.55% | 1,300 | 243億1442万 | -0.27% |
| 11/07 | 5,130 | 5,170 | 5,130 | 5,170 | +1.17% | 400 | 246億9657万 | +1.23% |
| 11/06 | 5,040 | 5,110 | 5,020 | 5,110 | +0.79% | 2,100 | 244億995万 | +0.06% |
| 11/05 | 5,140 | 5,140 | 5,010 | 5,070 | -1.36% | 1,100 | 242億1888万 | -0.82% |
| 11/04 | 5,130 | 5,200 | 5,110 | 5,140 | -0.58% | 1,200 | 245億5326万 | +0.43% |
| 10/31 | 5,180 | 5,180 | 5,120 | 5,170 | +0.98% | 400 | 246億9657万 | +0.92% |
| 10/30 | 5,050 | 5,160 | 5,050 | 5,120 | -0.39% | 600 | 244億5772万 | -0.06% |
| 10/29 | 5,200 | 5,200 | 5,000 | 5,140 | +0.19% | 3,300 | 245億5326万 | +0.31% |
| 10/28 | 5,250 | 5,250 | 5,120 | 5,130 | +0.79% | 2,300 | 245億549万 | +0.12% |
| 10/27 | 5,170 | 5,200 | 5,090 | 5,090 | -1.93% | 2,200 | 243億1442万 | -0.61% |
| 10/24 | 5,260 | 5,260 | 4,985 | 5,190 | +0.58% | 7,400 | 247億9211万 | +1.31% |
| 10/23 | 5,150 | 5,270 | 5,030 | 5,160 | +1.18% | 2,400 | 246億4880万 | +0.76% |
| 10/22 | 5,060 | 5,170 | 5,050 | 5,100 | +1.39% | 1,000 | 243億6219万 | -0.45% |
| 10/21 | 5,040 | 5,050 | 5,030 | 5,030 | -0.2% | 400 | 240億2780万 | -1.95% |
| 10/20 | 5,010 | 5,070 | 5,010 | 5,040 | +0.8% | 500 | 240億7557万 | -1.83% |
| 10/17 | 5,050 | 5,090 | 4,995 | 5,000 | -1.38% | 1,200 | 238億8450万 | -2.87% |
| 10/16 | 5,080 | 5,100 | 4,995 | 5,070 | +0.8% | 1,100 | 242億1888万 | -1.67% |
| 10/15 | 5,030 | 5,030 | 4,960 | 5,030 | 0% | 300 | 240億2780万 | -2.65% |
| 10/14 | 5,060 | 5,160 | 4,910 | 5,030 | -0.98% | 1,600 | 240億2780万 | -2.9% |
| 10/10 | 5,120 | 5,210 | 5,030 | 5,080 | -0.78% | 2,900 | 242億6665万 | -2.12% |
| 10/09 | 5,180 | 5,210 | 5,120 | 5,120 | -1.35% | 500 | 244億5772万 | -1.35% |
| 10/08 | 5,170 | 5,190 | 5,150 | 5,190 | +1.37% | 500 | 247億9211万 | +0.08% |
| 10/07 | 5,070 | 5,190 | 5,070 | 5,120 | +0.79% | 1,300 | 244億5772万 | -1.1% |
| 10/02 | (IR情報)16:00 従業員持株会向け譲渡制限付株式インセンティブとしての自己株式の処分の払込完了及び一部失権に関するお知らせ |