| 2026 |
| 10/09 | 4,165 | 4,165 | 4,165 | 4,165 | -0.83% | 200 | - | -2.73% |
| 10/08 | 4,200 | 4,200 | 4,200 | 4,200 | 0% | 300 | - | -1.98% |
| 10/07 | 4,200 | 4,200 | 4,200 | 4,200 | 0% | 500 | - | -2.03% |
| 10/06 | 4,210 | 4,210 | 4,200 | 4,200 | -1.29% | 1,400 | - | -2.08% |
| 10/05 | 4,255 | 4,255 | 4,255 | 4,255 | -0.12% | 100 | - | -0.91% |
| 10/02 | 4,260 | 4,305 | 4,260 | 4,260 | +0.24% | 800 | - | -0.98% |
| 10/01 | 4,310 | 4,310 | 4,250 | 4,250 | -1.28% | 900 | - | -1.41% |
| 09/30 | 4,305 | 4,305 | 4,305 | 4,305 | 0% | 200 | - | -0.32% |
| 09/29 | 4,305 | 4,305 | 4,305 | 4,305 | 0% | 100 | - | -0.51% |
| 09/28 | 4,305 | 4,305 | 4,305 | 4,305 | 0% | 600 | - | -0.67% |
| 09/25 | 4,305 | 4,310 | 4,305 | 4,305 | 0% | 600 | - | -0.85% |
| 09/24 | 4,305 | 4,305 | 4,305 | 4,305 | 0% | 700 | - | -0.99% |
| 09/18 | 4,305 | 4,305 | 4,305 | 4,305 | +1.18% | 500 | - | -1.13% |
| 09/17 | 4,300 | 4,300 | 4,210 | 4,255 | -0.82% | 1,900 | - | -2.41% |
| 09/16 | 4,310 | 4,310 | 4,290 | 4,290 | -0.46% | 500 | - | -1.83% |
| 09/15 | (5%ルール)UH Partners 2(5.86%)光通信(6.19%) |
| 09/15 | 4,310 | 4,310 | 4,310 | 4,310 | +0.23% | 200 | - | -1.6% |
| 09/14 | 4,300 | 4,300 | 4,300 | 4,300 | -0.58% | 600 | - | -1.96% |
| 09/11 | 4,310 | 4,340 | 4,310 | 4,325 | +0.46% | 600 | - | -1.55% |
| 09/10 | 4,305 | 4,305 | 4,305 | 4,305 | -0.92% | 200 | - | -2.16% |
| 09/09 | 4,345 | 4,345 | 4,345 | 4,345 | 0% | 200 | - | -1.41% |
| 09/08 | 4,300 | 4,345 | 4,300 | 4,345 | +0.81% | 900 | - | -1.56% |
| 09/07 | 4,300 | 4,310 | 4,300 | 4,310 | +0.23% | 1,300 | - | -2.33% |
| 09/04 | 4,300 | 4,300 | 4,300 | 4,300 | 0% | 600 | - | -2.6% |
| 09/02 | 4,300 | 4,300 | 4,250 | 4,300 | 0% | 900 | - | -2.91% |
| 09/01 | 4,280 | 4,345 | 4,280 | 4,300 | +1.18% | 800 | - | -3.13% |
| 08/31 | 4,250 | 4,250 | 4,250 | 4,250 | 0% | 700 | - | -4.43% |
| 08/27 | 4,285 | 4,285 | 4,250 | 4,250 | 0% | 400 | - | -4.6% |
| 08/26 | 4,320 | 4,320 | 4,160 | 4,250 | -1.62% | 2,800 | - | -4.71% |
| 08/25 | 4,455 | 4,455 | 4,305 | 4,320 | -3.25% | 2,100 | - | -3.23% |
| 08/24 | 4,465 | 4,465 | 4,435 | 4,465 | 0% | 1,200 | - | -0.02% |
| 08/21 | 4,465 | 4,495 | 4,465 | 4,465 | 0% | 600 | - | +0.16% |
| 08/20 | 4,430 | 4,470 | 4,410 | 4,465 | -0.78% | 600 | - | +0.27% |
| 08/19 | 4,500 | 4,500 | 4,500 | 4,500 | +0.22% | 500 | - | +1.12% |
| 08/18 | 4,490 | 4,490 | 4,490 | 4,490 | +0.11% | 200 | - | +1.1% |
| 08/17 | 4,460 | 4,490 | 4,460 | 4,485 | +0.56% | 900 | - | +1.24% |
| 08/14 | 4,460 | 4,460 | 4,460 | 4,460 | 0% | 100 | - | +0.9% |
| 08/13 | 4,460 | 4,460 | 4,460 | 4,460 | 0% | 300 | - | +1.32% |
| 08/12 | 4,560 | 4,560 | 4,460 | 4,460 | -0.78% | 800 | - | +1.73% |
| 08/10 | 4,600 | 4,600 | 4,495 | 4,495 | -1.21% | 600 | - | +2.88% |
| 08/07 | 4,555 | 4,555 | 4,485 | 4,550 | +2.13% | 400 | - | +4.53% |
| 08/06 | (IR情報)15:30 2027年3月期第1四半期決算短信〔日本基準〕(連結) |
| 08/06 | 4,455 | 4,455 | 4,455 | 4,455 | -0.22% | 100 | - | +2.86% |
| 08/04 | 4,465 | 4,465 | 4,465 | 4,465 | -0.78% | 100 | - | +3.55% |
| 07/31 | 4,545 | 4,550 | 4,500 | 4,500 | 0% | 500 | - | +4.82% |
| 07/30 | 4,500 | 4,500 | 4,500 | 4,500 | 0% | 500 | - | +5.26% |
| 07/29 | 4,380 | 4,500 | 4,380 | 4,500 | +3.69% | 1,700 | - | +5.73% |
| 07/28 | 4,345 | 4,370 | 4,330 | 4,340 | 0% | 800 | - | +2.41% |
| 07/27 | 4,440 | 4,440 | 4,340 | 4,340 | -6.67% | 4,000 | - | +2.77% |
| 07/24 | 4,600 | 4,650 | 4,600 | 4,650 | +2.2% | 400 | - | +10.48% |
| 07/23 | 4,570 | 4,600 | 4,505 | 4,550 | +1.11% | 1,000 | - | +8.83% |
| 07/22 | 4,380 | 4,500 | 4,380 | 4,500 | +1.12% | 1,300 | - | +8.1% |
| 07/21 | 4,450 | 4,450 | 4,450 | 4,450 | +1.6% | 200 | - | +7.2% |
| 07/17 | 4,420 | 4,420 | 4,380 | 4,380 | +0.69% | 400 | - | +5.72% |
| 07/16 | 4,365 | 4,365 | 4,350 | 4,350 | -0.46% | 500 | - | +5.1% |
| 07/15 | 4,330 | 4,370 | 4,330 | 4,370 | +2.1% | 500 | - | +5.71% |
| 07/14 | 4,350 | 4,350 | 4,280 | 4,280 | -1.15% | 600 | - | +3.66% |
| 07/09 | 4,330 | 4,330 | 4,330 | 4,330 | -1.25% | 200 | - | +4.84% |
| 07/08 | 4,325 | 4,385 | 4,325 | 4,385 | +2.21% | 1,700 | - | +6.2% |
| 07/07 | 4,210 | 4,290 | 4,210 | 4,290 | +2.14% | 900 | - | +3.92% |
| 07/06 | 4,175 | 4,200 | 4,175 | 4,200 | -0.71% | 300 | - | +1.62% |
| 07/03 | 4,050 | 4,230 | 4,050 | 4,230 | +5.09% | 1,400 | - | +2.12% |
| 07/02 | 4,055 | 4,055 | 3,920 | 4,025 | +0.25% | 1,400 | - | -2.99% |
| 07/01 | 4,015 | 4,015 | 4,015 | 4,015 | -1.71% | 100 | - | -3.65% |
| 06/30 | 4,070 | 4,085 | 4,070 | 4,085 | 0% | 400 | - | -2.55% |
| 06/29 | 4,020 | 4,085 | 4,020 | 4,085 | +2.13% | 800 | - | -3.11% |
| 06/25 | 4,000 | 4,000 | 3,990 | 4,000 | +0.38% | 900 | - | -5.57% |
| 06/24 | 3,980 | 3,985 | 3,930 | 3,985 | +0.13% | 1,900 | - | -6.43% |
| 06/23 | 4,030 | 4,030 | 3,980 | 3,980 | -1.61% | 300 | - | -7.07% |
| 06/22 | 4,050 | 4,050 | 4,045 | 4,045 | +0.12% | 200 | - | -6.32% |
| 06/19 | 4,040 | 4,040 | 4,040 | 4,040 | 0% | 100 | - | -7.23% |
| 06/18 | 3,980 | 4,050 | 3,980 | 4,040 | +1.51% | 1,500 | - | -7.93% |
| 06/17 | 4,000 | 4,050 | 3,980 | 3,980 | +0.13% | 2,200 | - | -9.85% |
| 06/16 | 3,975 | 3,975 | 3,965 | 3,975 | +0.63% | 1,200 | - | -10.51% |
| 06/15 | (IR情報)15:30 親会社等の決算に関するお知らせ |
| 06/15 | 4,045 | 4,085 | 3,900 | 3,950 | -4.01% | 5,000 | - | -11.87% |
| 06/12 | 4,200 | 4,200 | 3,985 | 4,115 | -2.02% | 2,100 | - | -9.2% |
| 06/10 | 4,250 | 4,250 | 4,200 | 4,200 | -1.18% | 700 | - | -8.24% |
| 06/09 | 4,250 | 4,250 | 4,250 | 4,250 | -0.58% | 100 | - | -8.19% |
| 06/08 | 4,205 | 4,275 | 4,205 | 4,275 | +1.54% | 400 | - | -8.67% |
| 06/05 | 4,220 | 4,225 | 4,210 | 4,210 | -0.94% | 900 | - | -10.82% |
| 06/04 | 4,300 | 4,300 | 4,250 | 4,250 | -1.16% | 400 | - | -10.75% |
| 06/03 | 4,295 | 4,350 | 4,230 | 4,300 | -0.46% | 1,300 | - | -10.45% |
| 06/02 | 4,355 | 4,355 | 4,320 | 4,320 | -0.8% | 1,000 | - | -10.74% |
| 06/01 | 4,470 | 4,470 | 4,355 | 4,355 | -1.36% | 400 | - | -10.74% |
| 05/29 | 4,415 | 4,415 | 4,415 | 4,415 | 0% | 100 | - | -10.15% |
| 05/28 | (IR情報)15:30 剰余金の配当に関するお知らせ |
| 05/28 | (IR情報)15:30 役員および重要な使用人の異動に関するお知らせ |
| 05/28 | (IR情報)15:30 支配株主等に関する事項について |
| 05/28 | 4,415 | 4,415 | 4,415 | 4,415 | -0.11% | 200 | - | -10.75% |
| 05/27 | 4,400 | 4,455 | 4,400 | 4,420 | -1.12% | 2,600 | - | -11.26% |
| 05/26 | 4,525 | 4,525 | 4,400 | 4,470 | -3.46% | 3,500 | - | -10.89% |
| 05/25 | 4,630 | 4,630 | 4,630 | 4,630 | -1.17% | 200 | - | -8.39% |
| 05/22 | 4,675 | 4,685 | 4,675 | 4,685 | +2.18% | 400 | - | -7.74% |
| 05/20 | (IR情報)18:00 主要株主の異動に関するお知らせ |
| 05/20 | (5%ルール)北陸瓦斯奨学会(12.27%) |
| 05/20 | 4,585 | 4,585 | 4,585 | 4,585 | 0% | 1,100 | - | -9.87% |
| 05/19 | 4,520 | 4,585 | 4,520 | 4,585 | +0.11% | 1,600 | - | -10.06% |
| 05/18 | (5%ルール)敦井一友(1.75%)新潟資源開発(1.07%)新潟ヒューム管(5.45%)敦井産業(12.65%)敦井榮一(1.16%)敦井(2.18%) |
| 05/18 | 4,790 | 4,790 | 4,580 | 4,580 | -5.66% | 900 | - | -10.41% |
| 05/15 | (IR情報)15:30 2026年3月期決算短信〔日本基準〕(連結) |
| 05/15 | (IR情報)15:30 業績予想の差異に関するお知らせ |
| 05/15 | 4,560 | 4,970 | 4,560 | 4,855 | -2.51% | 8,800 | - | -5.06% |
| 05/14 | 4,860 | 4,980 | 4,735 | 4,980 | +2.47% | 2,100 | - | -2.18% |
| 05/12 | (5%ルール)敦井一友(1.75%)敦井(2.18%)敦井榮一(1.16%)敦井産業(11.06%)新潟資源開発(1.07%)新潟ヒューム管(5.45%) |
| 05/12 | 4,680 | 4,860 | 4,680 | 4,860 | +3.18% | 600 | - | -4.03% |
| 05/11 | 4,655 | 4,710 | 4,640 | 4,710 | +0.86% | 500 | - | -6.68% |
| 05/08 | 5,030 | 5,040 | 4,530 | 4,670 | -5.85% | 2,700 | - | -7.29% |
| 05/07 | 5,180 | 5,180 | 4,940 | 4,960 | -4.62% | 1,000 | - | -1.41% |
| 05/01 | 5,210 | 5,210 | 5,200 | 5,200 | -0.95% | 500 | - | +3.65% |
| 04/30 | 5,400 | 5,400 | 5,250 | 5,250 | -4.37% | 400 | - | +5.08% |
| 04/28 | 5,550 | 5,550 | 5,490 | 5,490 | -1.08% | 200 | - | +10.24% |