| 2026 |
| 03/09 | 1,063 | 1,104 | 1,060 | 1,100 | +1.38% | 91,900 | 105億233万 | +28.5% |
| 03/06 | 1,080 | 1,123 | 1,067 | 1,085 | -0.37% | 115,800 | 103億5912万 | +28.71% |
| 03/05 | 1,048 | 1,095 | 1,046 | 1,089 | +7.82% | 158,000 | 103億9731万 | +31.2% |
| 03/04 | 1,000 | 1,025 | 967 | 1,010 | +3.06% | 549,200 | 96億4305万 | +23.47% |
| 03/03 | 980 | 980 | 980 | 980 | +18.07% | 35,000 | 93億5662万 | +21.29% |
| 03/02 | (IR情報)15:30 株主優待制度の新設に関するお知らせ |
| 03/02 | 826 | 848 | 820 | 830 | -1.31% | 18,200 | 79億2449万 | +3.62% |
| 02/27 | 836 | 846 | 836 | 841 | -0.24% | 10,200 | 80億2951万 | +5.39% |
| 02/26 | 837 | 846 | 835 | 843 | -0.24% | 8,500 | 80億4860万 | +5.9% |
| 02/25 | 834 | 845 | 834 | 845 | +0.72% | 8,400 | 80億6770万 | +6.42% |
| 02/24 | 847 | 848 | 823 | 839 | +0.24% | 18,400 | 80億1041万 | +5.93% |
| 02/20 | 849 | 852 | 815 | 837 | -1.06% | 21,400 | 79億9132万 | +5.95% |
| 02/19 | 830 | 853 | 829 | 846 | +2.17% | 25,700 | 80億7725万 | +7.22% |
| 02/18 | 834 | 841 | 828 | 828 | -0.12% | 31,400 | 79億539万 | +5.34% |
| 02/17 | 820 | 833 | 818 | 829 | +1.34% | 21,200 | 79億1494万 | +5.74% |
| 02/16 | (IR情報)15:30 連結子会社の国内初となるイエナプラン教育「研究推進園」認定に関するお知らせ |
| 02/16 | 827 | 827 | 808 | 818 | 0% | 32,200 | 78億992万 | +4.6% |
| 02/13 | 835 | 838 | 790 | 818 | +3.54% | 96,000 | 78億992万 | +4.87% |
| 02/12 | (IR情報)15:30 2026年9月期第1四半期決算説明資料 |
| 02/12 | (IR情報)15:30 2026年9月期第1四半期決算短信[日本基準](連結) |
| 02/12 | 780 | 794 | 776 | 790 | +1.28% | 22,000 | 75億4258万 | +1.54% |
| 02/10 | 770 | 780 | 770 | 780 | +1.96% | 7,600 | 74億4711万 | +0.39% |
| 02/09 | 770 | 779 | 765 | 765 | -0.65% | 13,600 | 73億389万 | -1.42% |
| 02/06 | 770 | 771 | 762 | 770 | -0.13% | 16,900 | 73億5163万 | -0.77% |
| 02/05 | 770 | 777 | 764 | 771 | -0.26% | 18,600 | 73億6118万 | -0.64% |
| 02/04 | 768 | 777 | 761 | 773 | +0.65% | 14,900 | 73億8027万 | -0.26% |
| 02/03 | 776 | 776 | 768 | 768 | -0.26% | 9,200 | 73億3254万 | -0.65% |
| 02/02 | 781 | 781 | 763 | 770 | -1.03% | 12,800 | 73億5163万 | -0.26% |
| 01/30 | 763 | 782 | 760 | 778 | +1.83% | 15,100 | 74億2801万 | +0.91% |
| 01/29 | 771 | 775 | 763 | 764 | -1.29% | 10,900 | 72億9435万 | -0.65% |
| 01/28 | 776 | 778 | 770 | 774 | +0.26% | 7,400 | 73億8982万 | +0.91% |
| 01/27 | 781 | 781 | 772 | 772 | -1.28% | 12,600 | 73億7073万 | +0.78% |
| 01/26 | 785 | 786 | 780 | 782 | -0.13% | 6,200 | 74億6620万 | +2.36% |
| 01/23 | 783 | 789 | 781 | 783 | +0.77% | 4,600 | 74億7575万 | +2.76% |
| 01/22 | 776 | 787 | 772 | 777 | -0.38% | 15,700 | 74億1846万 | +2.1% |
| 01/21 | 788 | 789 | 780 | 780 | -1.52% | 8,700 | 74億4711万 | +2.77% |
| 01/20 | 796 | 797 | 789 | 792 | +0.25% | 7,900 | 75億3960万 | +4.62% |
| 01/19 | (IR情報)15:30 譲渡制限付株式報酬としての新株式発行の払込完了に関するお知らせ |
| 01/19 | 800 | 802 | 790 | 790 | -0.75% | 13,500 | 75億2056万 | +4.77% |
| 01/16 | 797 | 801 | 796 | 796 | -0.5% | 7,700 | 75億7768万 | +5.85% |
| 01/15 | 792 | 801 | 790 | 800 | +1.91% | 34,100 | 76億1576万 | +6.81% |
| 01/14 | 789 | 792 | 777 | 785 | -0.25% | 18,700 | 74億7296万 | +5.09% |
| 01/13 | 781 | 791 | 780 | 787 | +1.68% | 24,400 | 74億9200万 | +5.64% |
| 01/09 | 770 | 780 | 770 | 774 | +0.78% | 12,800 | 73億6825万 | +4.17% |
| 01/08 | 767 | 773 | 766 | 768 | +0.13% | 9,000 | 73億1113万 | +3.64% |
| 01/07 | 767 | 771 | 763 | 767 | +0.66% | 19,500 | 73億161万 | +3.65% |
| 01/06 | 763 | 768 | 759 | 762 | +0.93% | 10,900 | 72億5401万 | +3.11% |
| 01/05 | 765 | 765 | 753 | 755 | -0.4% | 19,700 | 71億8737万 | +2.3% |
| 2025 |
| 12/30 | 765 | 768 | 748 | 758 | -0.52% | 16,900 | 72億1593万 | +2.71% |
| 12/29 | 744 | 765 | 744 | 762 | +1.6% | 27,300 | 72億5401万 | +3.39% |
| 12/26 | 744 | 750 | 739 | 750 | +1.9% | 15,000 | 71億3978万 | +1.9% |
| 12/25 | 744 | 748 | 736 | 736 | -0.81% | 12,600 | 70億650万 | +0.27% |
| 12/24 | 735 | 744 | 735 | 742 | +1.37% | 9,900 | 70億6362万 | +1.09% |
| 12/23 | 739 | 746 | 731 | 732 | 0% | 26,400 | 69億6842万 | 0% |
| 12/22 | 734 | 740 | 730 | 732 | +0.41% | 16,400 | 69億6842万 | 0% |
| 12/19 | 731 | 734 | 727 | 729 | -0.82% | 13,700 | 69億3986万 | -0.41% |
| 12/18 | (IR情報)15:30 譲渡制限付株式報酬としての新株式発行に関するお知らせ |
| 12/18 | 735 | 736 | 728 | 735 | 0% | 20,000 | 69億9698万 | +0.41% |
| 12/17 | 739 | 739 | 732 | 735 | +0.14% | 3,300 | 69億9698万 | +0.41% |
| 12/16 | 738 | 740 | 734 | 734 | -0.54% | 5,900 | 69億8746万 | +0.27% |
| 12/15 | 733 | 738 | 728 | 738 | +1.1% | 14,300 | 70億2554万 | +0.82% |
| 12/12 | 732 | 732 | 725 | 730 | +0.27% | 22,100 | 69億4938万 | -0.27% |
| 12/11 | 732 | 734 | 726 | 728 | -0.55% | 7,600 | 69億3034万 | -0.41% |
| 12/10 | 733 | 735 | 730 | 732 | +0.14% | 3,900 | 69億6842万 | +0.14% |
| 12/09 | 737 | 737 | 730 | 731 | -0.54% | 8,300 | 69億5890万 | +0.14% |
| 12/08 | 736 | 744 | 735 | 735 | -0.14% | 7,100 | 69億9698万 | +0.68% |
| 12/05 | 734 | 740 | 734 | 736 | -0.27% | 2,500 | 70億650万 | +0.96% |
| 12/04 | 744 | 744 | 735 | 738 | -0.27% | 5,700 | 70億2554万 | +1.23% |
| 12/03 | 734 | 740 | 734 | 740 | +1.09% | 4,500 | 70億4458万 | +1.51% |
| 12/02 | 743 | 743 | 732 | 732 | -0.81% | 5,200 | 69億6842万 | +0.41% |
| 12/01 | 747 | 749 | 738 | 738 | -0.94% | 10,800 | 70億2554万 | +1.23% |
| 11/28 | 736 | 745 | 736 | 745 | +0.95% | 18,300 | 70億9218万 | +2.05% |
| 11/27 | 738 | 738 | 736 | 738 | 0% | 6,400 | 70億2554万 | +1.23% |
| 11/26 | 736 | 748 | 735 | 738 | +0.54% | 23,300 | 70億2554万 | +1.23% |
| 11/25 | 735 | 739 | 732 | 734 | +0.41% | 19,800 | 69億8746万 | +0.82% |
| 11/21 | 715 | 732 | 715 | 731 | +1.53% | 26,900 | 69億5890万 | +0.41% |
| 11/20 | 724 | 724 | 713 | 720 | +0.56% | 8,100 | 68億5418万 | -1.23% |
| 11/19 | 715 | 721 | 714 | 716 | +0.14% | 12,800 | 68億1611万 | -1.92% |
| 11/18 | 722 | 725 | 715 | 715 | -0.97% | 12,700 | 68億659万 | -2.05% |
| 11/17 | 729 | 729 | 718 | 722 | -0.69% | 25,300 | 68億7322万 | -1.23% |
| 11/14 | 726 | 729 | 721 | 727 | -1.76% | 31,500 | 69億2082万 | -0.68% |
| 11/13 | (IR情報)16:00 法人税等調整額の計上に関するお知らせ |
| 11/13 | (IR情報)16:00 特別損失(減損損失)の計上及び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 |
| 11/13 | (IR情報)16:00 取締役候補者の選任に関するお知らせ |
| 11/13 | (IR情報)16:00 剰余金の配当に関するお知らせ |
| 11/13 | (IR情報)16:00 2025年9月期決算説明資料 |
| 11/13 | (IR情報)16:00 2025年9月期決算短信[日本基準](連結) |
| 11/13 | 736 | 744 | 736 | 740 | +1.09% | 18,100 | 70億4458万 | +1.09% |
| 11/12 | 735 | 736 | 731 | 732 | -0.41% | 12,100 | 69億6842万 | -0.14% |
| 11/11 | 735 | 740 | 726 | 735 | +0.82% | 12,200 | 69億9698万 | +0.27% |
| 11/10 | 728 | 745 | 727 | 729 | +0.14% | 19,000 | 69億3986万 | -0.55% |
| 11/07 | 726 | 728 | 724 | 728 | +0.28% | 4,700 | 69億3034万 | -0.82% |
| 11/06 | 715 | 726 | 715 | 726 | +1.54% | 8,300 | 69億1130万 | -1.09% |
| 11/05 | 717 | 719 | 711 | 715 | 0% | 17,200 | 68億659万 | -2.72% |
| 11/04 | 719 | 719 | 710 | 715 | -0.56% | 24,000 | 68億659万 | -2.85% |
| 10/31 | 729 | 734 | 719 | 719 | -0.96% | 40,800 | 68億4466万 | -2.71% |
| 10/30 | 720 | 734 | 720 | 726 | +0.83% | 21,300 | 69億1130万 | -2.02% |
| 10/29 | 731 | 734 | 719 | 720 | -1.77% | 28,800 | 68億5418万 | -3.23% |
| 10/28 | 746 | 746 | 733 | 733 | -1.87% | 9,000 | 69億7794万 | -1.74% |
| 10/27 | 743 | 751 | 743 | 747 | +0.27% | 17,800 | 71億1122万 | -0.13% |
| 10/24 | (IR情報)16:00 2025年9月期決算説明会のご案内(アナリスト・機関投資家向け) |
| 10/24 | 750 | 755 | 740 | 745 | -0.67% | 22,400 | 70億9218万 | -0.67% |
| 10/23 | 737 | 763 | 730 | 750 | +3.45% | 66,100 | 71億3978万 | -0.27% |
| 10/22 | 721 | 734 | 720 | 725 | -0.14% | 45,400 | 69億178万 | -3.72% |
| 10/21 | 734 | 734 | 726 | 726 | -0.82% | 6,500 | 69億1130万 | -3.97% |
| 10/20 | 722 | 734 | 722 | 732 | +1.1% | 20,200 | 69億6842万 | -3.56% |
| 10/20 | (空売り報告)UBS AG 46,200株(0.48%)-0.04%義務消失 |
| 10/17 | 731 | 738 | 724 | 724 | -2.95% | 41,200 | 68億9226万 | -4.99% |
| 10/16 | (IR情報)15:30 連結子会社における事業譲渡に関するお知らせ |
| 10/16 | 748 | 750 | 745 | 746 | 0% | 11,600 | 71億170万 | -2.48% |
| 10/15 | 732 | 747 | 728 | 746 | +2.75% | 25,000 | 71億170万 | -2.74% |
| 10/14 | 725 | 732 | 720 | 726 | -0.95% | 17,400 | 69億1130万 | -5.47% |
| 10/10 | 742 | 742 | 731 | 733 | -1.48% | 12,900 | 69億7794万 | -4.93% |
| 10/09 | 751 | 751 | 740 | 744 | -0.4% | 8,600 | 70億8266万 | -3.63% |
| 10/08 | 748 | 750 | 743 | 747 | +0.27% | 11,600 | 71億1122万 | -3.49% |
| 10/03 | (空売り報告)UBS AG 50,400株(0.52%)新規 |