| 2023 |
| 12/22 | （IR情報）16:00 ストック・オプション(新株予約権)の発行内容確定に関するお知らせ |
| 12/22 | 661 | 672 | 654 | 656 | -1.06% | 36,300 | 105億6356万 | -1.35% |
| 12/21 | 664 | 679 | 663 | 663 | -0.15% | 22,300 | 106億1622万 | -0.6% |
| 12/20 | 680 | 684 | 664 | 664 | -3.49% | 30,500 | 106億3223万 | -0.9% |
| 12/19 | （IR情報）15:00 (訂正)「第19期株主優待制度に関するお知らせ」の一部訂正について |
| 12/19 | 661 | 699 | 660 | 688 | +2.23% | 58,900 | 110億1653万 | +2.23% |
| 12/18 | （IR情報）15:00 第19期株主優待制度に関するお知らせ |
| 12/18 | 659 | 678 | 657 | 673 | +1.51% | 33,600 | 107億7634万 | -0.3% |
| 12/15 | 697 | 700 | 654 | 663 | -5.42% | 127,300 | 106億1622万 | -1.92% |
| 12/14 | 650 | 720 | 639 | 701 | +13.06% | 677,100 | 112億2469万 | +3.39% |
| 12/14 | （空売り報告）JPM Securities Japan Co Ltd. 106,922株（0.66%）-0.13% |
| 12/13 | 618 | 623 | 617 | 620 | +0.32% | 15,700 | 99億2768万 | -8.69% |
| 12/12 | 626 | 630 | 618 | 618 | -1.59% | 35,300 | 98億9566万 | -9.65% |
| 12/11 | 629 | 638 | 621 | 628 | +0.96% | 39,400 | 100億5578万 | -8.85% |
| 12/08 | （IR情報）15:00 ストック・オプション(新株予約権)の発行に関するお知らせ |
| 12/08 | 632 | 634 | 620 | 622 | -2.81% | 49,300 | 99億5971万 | -10.37% |
| 12/07 | 648 | 654 | 640 | 640 | -2.29% | 34,900 | 102億4793万 | -8.31% |
| 12/06 | 653 | 657 | 650 | 655 | +0.31% | 32,300 | 104億8812万 | -6.7% |
| 12/05 | 654 | 658 | 652 | 653 | -1.06% | 23,200 | 104億5609万 | -7.38% |
| 12/04 | 656 | 664 | 656 | 660 | +0.15% | 15,600 | 105億6818万 | -6.52% |
| 12/01 | 665 | 673 | 656 | 659 | -2.23% | 38,600 | 105億5217万 | -6.79% |
| 12/01 | （空売り報告）JPM Securities Japan Co Ltd. 128,022株（0.79%）-0.1% |
| 11/30 | 664 | 674 | 658 | 674 | +0.75% | 61,100 | 107億9235万 | -4.94% |
| 11/29 | 667 | 673 | 664 | 669 | -0.15% | 45,700 | 107億1229万 | -5.77% |
| 11/28 | 672 | 676 | 670 | 670 | -0.3% | 18,100 | 107億2830万 | -5.63% |
| 11/27 | 677 | 684 | 672 | 672 | -0.74% | 27,100 | 107億6033万 | -5.62% |
| 11/24 | 678 | 689 | 675 | 677 | -1.46% | 63,900 | 108億4039万 | -5.18% |
| 11/22 | 696 | 698 | 687 | 687 | -1.58% | 50,500 | 110億51万 | -3.92% |
| 11/21 | 705 | 709 | 698 | 698 | -1.41% | 46,700 | 111億6339万 | -2.51% |
| 11/20 | 702 | 724 | 702 | 708 | +0.14% | 30,900 | 113億2332万 | -0.98% |
| 11/17 | 704 | 710 | 702 | 707 | -0.7% | 19,300 | 113億733万 | -1.26% |
| 11/16 | 740 | 740 | 712 | 712 | -3.91% | 33,000 | 113億8730万 | -0.7% |
| 11/15 | 740 | 759 | 740 | 741 | -0.13% | 46,100 | 118億5110万 | +3.35% |
| 11/15 | （空売り報告）JPM Securities Japan Co Ltd. 143,022株（0.89%）-0.1% |
| 11/14 | （IR情報）15:30 連結子会社等の異動(株式譲渡)に関するお知らせ |
| 11/14 | 721 | 747 | 715 | 742 | +3.78% | 30,400 | 118億6710万 | +3.49% |
| 11/13 | （IR情報）15:00 2023年12月期第3四半期決算説明会資料 |
| 11/13 | （IR情報）15:00 2023年12月期第3四半期決算短信〔日本基準〕(連結) |
| 11/13 | 718 | 718 | 705 | 715 | +1.71% | 13,500 | 114億3528万 | -0.14% |
| 11/10 | 712 | 713 | 702 | 703 | -2.77% | 18,900 | 112億4336万 | -1.95% |
| 11/09 | 727 | 734 | 720 | 723 | -0.55% | 19,900 | 115億6322万 | +0.84% |
| 11/08 | 747 | 753 | 727 | 727 | -2.68% | 13,700 | 116億2720万 | +1.39% |
| 11/07 | 748 | 758 | 741 | 747 | -0.13% | 25,900 | 119億4706万 | +4.18% |
| 11/06 | 750 | 760 | 741 | 748 | +0.94% | 33,300 | 119億6306万 | +4.32% |
| 11/06 | （空売り報告）JPM Securities Japan Co Ltd. 159,822株（0.99%）-0.1% |
| 11/02 | 743 | 744 | 731 | 741 | +1.51% | 23,900 | 118億5110万 | +3.2% |
| 11/01 | 737 | 745 | 721 | 730 | -0.68% | 14,000 | 116億7518万 | +1.53% |
| 10/31 | 717 | 735 | 710 | 735 | +2.51% | 26,300 | 117億5514万 | +2.23% |
| 10/30 | 696 | 717 | 696 | 717 | +2.43% | 33,600 | 114億6726万 | -0.42% |
| 10/27 | 680 | 704 | 680 | 700 | +2.94% | 19,500 | 111億9538万 | -2.78% |
| 10/26 | 693 | 693 | 672 | 680 | -2.72% | 34,800 | 108億7551万 | -5.69% |
| 10/25 | 700 | 706 | 691 | 699 | +0.29% | 18,900 | 111億7938万 | -3.19% |
| 10/24 | 671 | 697 | 658 | 697 | +2.65% | 95,400 | 111億4739万 | -3.73% |
| 10/23 | 702 | 713 | 678 | 679 | -4.9% | 66,200 | 108億5259万 | -6.47% |
| 10/23 | （空売り報告）JPM Securities Japan Co Ltd. 175,122株（1.09%）-0.1% |
| 10/20 | 712 | 714 | 701 | 714 | +0.42% | 24,400 | 114億1200万 | -1.92% |
| 10/19 | 701 | 716 | 701 | 711 | -0.14% | 16,500 | 113億6405万 | -2.74% |
| 10/18 | 708 | 717 | 700 | 712 | +1.42% | 33,400 | 113億8003万 | -2.6% |
| 10/17 | 700 | 714 | 700 | 702 | +1.01% | 19,300 | 112億2020万 | -4.1% |
| 10/16 | 724 | 724 | 695 | 695 | -2.8% | 50,500 | 111億832万 | -5.18% |
| 10/13 | 727 | 730 | 713 | 715 | -3.12% | 18,900 | 114億2798万 | -2.59% |
| 10/12 | 726 | 738 | 726 | 738 | +1.65% | 21,100 | 117億9560万 | +0.27% |
| 10/11 | 725 | 735 | 725 | 726 | 0% | 16,700 | 116億380万 | -1.49% |
| 10/11 | （空売り報告）JPM Securities Japan Co Ltd. 191,322株（1.19%）-0.1% |
| 10/10 | 727 | 735 | 724 | 726 | +0.14% | 20,100 | 116億380万 | -1.76% |
| 10/06 | 721 | 730 | 714 | 725 | -0.55% | 24,800 | 115億8782万 | -2.16% |
| 10/05 | 704 | 730 | 704 | 729 | +3.99% | 35,900 | 116億5175万 | -1.88% |
| 10/04 | 711 | 714 | 700 | 701 | -3.18% | 73,900 | 112億422万 | -6.03% |
| 10/03 | 735 | 739 | 724 | 724 | -2.16% | 26,600 | 115億7183万 | -3.34% |
| 10/02 | 755 | 762 | 740 | 740 | -1.46% | 22,800 | 118億2756万 | -1.46% |
| 09/29 | 765 | 768 | 751 | 751 | -1.83% | 42,800 | 120億338万 | -0.13% |
| 09/28 | 765 | 772 | 756 | 765 | +1.32% | 43,500 | 122億2714万 | +1.73% |
| 09/28 | （空売り報告）JPM Securities Japan Co Ltd. 206,622株（1.29%）-0.09% |
| 09/27 | 741 | 757 | 740 | 755 | +1.62% | 35,100 | 120億6731万 | +0.4% |
| 09/26 | 744 | 747 | 740 | 743 | -0.13% | 11,000 | 118億7551万 | -1.07% |
| 09/25 | 723 | 749 | 721 | 744 | +2.62% | 50,100 | 118億9150万 | -0.8% |
| 09/22 | 715 | 730 | 712 | 725 | +0.14% | 33,700 | 115億8782万 | -3.2% |
| 09/21 | 724 | 725 | 711 | 724 | +0.28% | 53,600 | 115億7183万 | -3.34% |
| 09/20 | 731 | 733 | 722 | 722 | -1.37% | 30,200 | 115億3987万 | -3.73% |
| 09/20 | （空売り報告）JPM Securities Japan Co Ltd. 222,122株（1.38%）-0.11% |
| 09/19 | 750 | 751 | 730 | 732 | -3.3% | 45,300 | 116億9970万 | -2.66% |
| 09/15 | 737 | 762 | 737 | 757 | +2.85% | 45,600 | 120億9928万 | 0% |
| 09/14 | 760 | 760 | 734 | 736 | -3.92% | 63,600 | 117億6363万 | -3.16% |
| 09/13 | 743 | 779 | 743 | 766 | +5.22% | 123,500 | 122億4313万 | +0.13% |
| 09/12 | 728 | 734 | 722 | 728 | +0.41% | 29,200 | 116億3576万 | -5.21% |
| 09/11 | 737 | 738 | 720 | 725 | -0.28% | 33,000 | 115億8782万 | -6.33% |
| 09/08 | 715 | 732 | 715 | 727 | -0.41% | 84,100 | 116億1978万 | -6.68% |
| 09/07 | 745 | 756 | 729 | 730 | -3.05% | 107,600 | 116億6773万 | -6.89% |
| 09/06 | 771 | 771 | 750 | 753 | -2.71% | 70,900 | 120億3534万 | -4.56% |
| 09/05 | （5%ルール）久場智喜（19.39%） |
| 09/05 | 780 | 786 | 773 | 774 | -0.13% | 36,100 | 123億7099万 | -2.52% |
| 09/05 | （空売り報告）JPM Securities Japan Co Ltd. 238,622株（1.49%）-0.1% |
| 09/04 | 781 | 786 | 773 | 775 | +0.26% | 32,400 | 123億8698万 | -2.88% |
| 09/01 | （IR情報）15:15 株式会社スクールパートナーの株式取得(子会社化)に関するお知らせ |
| 09/01 | 780 | 782 | 769 | 773 | -1.9% | 41,400 | 123億5501万 | -3.5% |
| 08/31 | 790 | 790 | 779 | 788 | 0% | 24,700 | 125億9476万 | -2.11% |
| 08/30 | 787 | 795 | 779 | 788 | +0.13% | 29,200 | 125億9476万 | -2.48% |
| 08/29 | 769 | 794 | 766 | 787 | +2.34% | 46,100 | 125億7877万 | -3.08% |
| 08/28 | 758 | 772 | 751 | 769 | +1.32% | 56,100 | 122億9108万 | -5.64% |
| 08/25 | 745 | 775 | 732 | 759 | +0.26% | 50,200 | 121億3124万 | -7.33% |
| 08/25 | （空売り報告）モルガン・スタンレーMUFG証券 79,600株（0.49%）-0.02%義務消失 |
| 08/24 | 761 | 769 | 756 | 757 | -0.26% | 27,100 | 120億9928万 | -8.13% |
| 08/23 | 723 | 761 | 723 | 759 | +4.4% | 47,900 | 121億3124万 | -8.44% |
| 08/23 | （空売り報告）JPM Securities Japan Co Ltd. 255,222株（1.59%）-0.07% |
| 08/22 | 727 | 739 | 725 | 727 | -0.41% | 43,400 | 116億1978万 | -12.73% |
| 08/21 | 722 | 741 | 720 | 730 | +1.39% | 57,000 | 116億6043万 | -12.99% |
| 08/18 | 712 | 733 | 711 | 720 | -0.14% | 58,500 | 115億70万 | -14.69% |
| 08/17 | 745 | 745 | 704 | 721 | -3.87% | 213,500 | 115億1667万 | -15.18% |
| 08/17 | （空売り報告）JPM Securities Japan Co Ltd. 265,722株（1.66%）-0.13% |
| 08/17 | （空売り報告）モルガン・スタンレーMUFG証券 82,500株（0.51%）再IN |
| 08/16 | 770 | 771 | 750 | 750 | -2.98% | 80,400 | 119億7990万 | -12.28% |
| 08/15 | 747 | 778 | 740 | 773 | -9.27% | 312,100 | 123億4728万 | -10.12% |
| 08/14 | （IR情報）15:00 2023年12月期第2四半期決算短信〔日本基準〕(連結) |
| 08/14 | （IR情報）15:00 2023年12月期第2四半期決算説明会資料 |
| 08/14 | 843 | 864 | 837 | 852 | +0.83% | 77,300 | 136億916万 | -1.39% |
| 08/10 | 852 | 854 | 830 | 845 | -0.82% | 67,000 | 134億9735万 | -2.31% |
| 08/10 | （空売り報告）JPM Securities Japan Co Ltd. 286,522株（1.79%）-0.01% |
| 08/09 | 846 | 859 | 846 | 852 | +0.35% | 30,200 | 136億916万 | -1.62% |
| 08/08 | 860 | 867 | 847 | 849 | -1.96% | 29,800 | 135億6124万 | -2.19% |
| 08/07 | 844 | 868 | 842 | 866 | +1.41% | 35,400 | 138億3279万 | -0.57% |
| 08/04 | 845 | 854 | 840 | 854 | +1.07% | 20,800 | 136億4111万 | -2.18% |
| 08/03 | 855 | 857 | 842 | 845 | -2.09% | 54,600 | 134億9735万 | -3.54% |
| 08/02 | 865 | 873 | 860 | 863 | -1.48% | 37,000 | 137億8487万 | -1.82% |
| 08/01 | 870 | 881 | 870 | 876 | +1.04% | 28,200 | 139億9252万 | -0.57% |
| 07/31 | 869 | 879 | 865 | 867 | +0.46% | 31,400 | 138億4876万 | -1.7% |
| 07/31 | （空売り報告）UBS AG 75,000株（0.46%）-0.13%義務消失 |
