| 2026 |
| 10/02 | 580 | 580 | 570 | 571 | -1.89% | 600,700 | - | -15.03% |
| 10/01 | 595 | 598 | 580 | 582 | -3% | 876,600 | - | -14.16% |
| 09/30 | 599 | 600 | 591 | 600 | +0.84% | 700,900 | - | -12.15% |
| 09/30 | (空売り報告)モルガン・スタンレーMUFG証券 777,530株(1.36%)+0.17% |
| 09/29 | (IR情報)11:00 癒着防止材SI-449(製品名「シーエスバリア」)に関する研究論文掲載のお知らせ |
| 09/29 | 604 | 609 | 595 | 595 | -2.46% | 2,294,400 | - | -13.39% |
| 09/29 | (空売り報告)モルガン・スタンレーMUFG証券 681,130株(1.19%)+0.19% |
| 09/28 | 622 | 623 | 606 | 610 | -2.09% | 1,239,100 | - | -11.72% |
| 09/28 | (空売り報告)Nomura International plc 528,248株(0.92%)+0.15% |
| 09/28 | (空売り報告)モルガン・スタンレーMUFG証券 568,830株(1%)+0.29% |
| 09/25 | 654 | 655 | 623 | 623 | -8.92% | 1,612,000 | - | -10.36% |
| 09/25 | (空売り報告)Nomura International plc 438,608株(0.77%)新規 |
| 09/25 | (空売り報告)モルガン・スタンレーMUFG証券 407,830株(0.71%)再IN |
| 09/24 | (IR情報)17:00 2027年3月期通期連結業績予想の修正、通期個別業績予想の公表及び配当予想の修正に関するお知らせ |
| 09/24 | 682 | 689 | 680 | 684 | +0.29% | 191,800 | - | -2.15% |
| 09/18 | 688 | 689 | 682 | 682 | -0.58% | 197,600 | - | -2.43% |
| 09/17 | 679 | 688 | 679 | 686 | +1.18% | 187,000 | - | -2.14% |
| 09/16 | 672 | 680 | 672 | 678 | +0.89% | 235,700 | - | -3.28% |
| 09/15 | 660 | 675 | 658 | 672 | +2.28% | 251,300 | - | -4.27% |
| 09/14 | 649 | 658 | 646 | 657 | +2.02% | 306,300 | - | -6.54% |
| 09/11 | 636 | 650 | 630 | 644 | -7.47% | 1,231,200 | - | -8.65% |
| 09/10 | (IR情報)16:00 腰椎椎間板ヘルニア治療剤SI-6603の米国承認申請に関する審査完了報告通知の受領について |
| 09/10 | 700 | 702 | 696 | 696 | -0.57% | 179,000 | - | -1.56% |
| 09/09 | 703 | 705 | 700 | 700 | -0.57% | 85,200 | - | -1.13% |
| 09/08 | 702 | 712 | 699 | 704 | -0.14% | 246,200 | - | -0.71% |
| 09/07 | 705 | 707 | 702 | 705 | +0.14% | 95,600 | - | -0.7% |
| 09/04 | 704 | 707 | 700 | 704 | -0.14% | 173,400 | - | -1.12% |
| 09/03 | 709 | 711 | 703 | 705 | -0.14% | 125,600 | - | -1.26% |
| 09/02 | 715 | 717 | 706 | 706 | -1.81% | 175,100 | - | -1.4% |
| 09/01 | 718 | 724 | 714 | 719 | 0% | 137,100 | - | +0.14% |
| 08/31 | 720 | 725 | 717 | 719 | +0.42% | 168,800 | - | 0% |
| 08/28 | 728 | 734 | 715 | 716 | -0.56% | 186,000 | - | -0.56% |
| 08/27 | 717 | 723 | 715 | 720 | 0% | 1,266,200 | - | -0.14% |
| 08/26 | 714 | 724 | 714 | 720 | +0.98% | 96,400 | - | -0.14% |
| 08/25 | 713 | 715 | 710 | 713 | +0.42% | 71,300 | - | -1.25% |
| 08/24 | 708 | 717 | 706 | 710 | +0.85% | 129,600 | - | -1.66% |
| 08/21 | 708 | 710 | 703 | 704 | -0.71% | 87,500 | - | -2.63% |
| 08/20 | 708 | 710 | 703 | 709 | +0.85% | 96,300 | - | -2.21% |
| 08/19 | 709 | 709 | 701 | 703 | -0.71% | 104,000 | - | -3.03% |
| 08/18 | 707 | 713 | 704 | 708 | +0.14% | 92,800 | - | -2.48% |
| 08/17 | 714 | 714 | 706 | 707 | -0.42% | 66,800 | - | -2.75% |
| 08/14 | 706 | 714 | 706 | 710 | +0.57% | 119,600 | - | -2.34% |
| 08/13 | 704 | 708 | 701 | 706 | +1.15% | 131,800 | - | -3.02% |
| 08/12 | 700 | 703 | 694 | 698 | -0.14% | 214,800 | - | -4.12% |
| 08/10 | 700 | 706 | 699 | 699 | +0.29% | 135,900 | - | -4.12% |
| 08/07 | (IR情報)10:30 令和8年熊本地震に対する支援のお知らせ |
| 08/07 | 698 | 705 | 695 | 697 | +0.29% | 192,400 | - | -4.52% |
| 08/06 | 705 | 705 | 688 | 695 | -4.4% | 532,600 | - | -4.92% |
| 08/05 | (IR情報)16:00 2027年3月期第1四半期決算短信〔日本基準〕(連結) |
| 08/05 | (IR情報)16:00 人事異動に関するお知らせ |
| 08/05 | 728 | 730 | 722 | 727 | 0% | 139,600 | - | -0.68% |
| 08/04 | 730 | 734 | 727 | 727 | -0.41% | 70,200 | - | -0.55% |
| 08/03 | 740 | 744 | 727 | 730 | -2.14% | 149,300 | - | -0.14% |
| 07/31 | 754 | 756 | 746 | 746 | -0.93% | 107,200 | - | +2.19% |
| 07/30 | 752 | 757 | 743 | 753 | -0.79% | 121,200 | - | +3.29% |
| 07/29 | 749 | 761 | 740 | 759 | +2.15% | 245,600 | - | +4.26% |
| 07/28 | 745 | 749 | 742 | 743 | -0.67% | 157,800 | - | +2.34% |
| 07/27 | (IR情報)16:00 執行役員の役職異動に関するお知らせ |
| 07/27 | 742 | 748 | 741 | 748 | +0.81% | 54,500 | - | +3.17% |
| 07/24 | 739 | 743 | 735 | 742 | +0.27% | 79,400 | - | +2.49% |
| 07/23 | 739 | 741 | 735 | 740 | 0% | 55,800 | - | +2.35% |
| 07/22 | 732 | 742 | 730 | 740 | +1.37% | 91,900 | - | +2.49% |
| 07/21 | 733 | 738 | 729 | 730 | 0% | 71,400 | - | +1.11% |
| 07/17 | 731 | 742 | 724 | 730 | 0% | 139,600 | - | +1.25% |
| 07/16 | 734 | 741 | 726 | 730 | -1.35% | 90,800 | - | +1.25% |
| 07/15 | 722 | 740 | 721 | 740 | +2.49% | 140,700 | - | +2.78% |
| 07/14 | 726 | 727 | 720 | 722 | -0.14% | 66,000 | - | +0.28% |
| 07/13 | 727 | 733 | 721 | 723 | -0.28% | 63,300 | - | +0.42% |
| 07/10 | (IR情報)11:00 譲渡制限付株式報酬としての自己株式の処分の払込完了に関するお知らせ |
| 07/10 | 719 | 725 | 719 | 725 | +0.83% | 108,200 | - | +0.55% |
| 07/09 | 719 | 724 | 716 | 719 | 0% | 110,100 | - | -0.28% |
| 07/08 | 724 | 726 | 718 | 719 | -0.69% | 113,700 | - | -0.28% |
| 07/07 | 726 | 731 | 724 | 724 | +0.42% | 79,600 | - | +0.42% |
| 07/06 | 720 | 726 | 719 | 721 | +0.14% | 90,400 | - | 0% |
| 07/03 | 721 | 726 | 717 | 720 | -0.14% | 112,900 | - | -0.14% |
| 07/02 | 715 | 725 | 713 | 721 | +1.26% | 129,000 | - | -0.28% |
| 07/01 | 721 | 721 | 710 | 712 | -0.7% | 166,300 | - | -1.93% |
| 06/30 | 717 | 723 | 714 | 717 | -0.28% | 152,700 | - | -1.65% |
| 06/29 | 716 | 722 | 714 | 719 | +0.56% | 206,700 | - | -1.78% |
| 06/26 | 720 | 720 | 708 | 715 | +0.14% | 146,200 | - | -2.59% |
| 06/25 | 719 | 719 | 711 | 714 | -0.56% | 87,400 | - | -3.38% |
| 06/24 | 720 | 726 | 714 | 718 | 0% | 99,600 | - | -3.23% |
| 06/23 | 722 | 723 | 715 | 718 | +0.14% | 122,600 | - | -3.62% |
| 06/22 | 722 | 734 | 717 | 717 | -1.24% | 112,100 | - | -4.14% |
| 06/19 | (IR情報)16:00 譲渡制限付株式報酬としての自己株式の処分に関するお知らせ |
| 06/19 | (IR情報)16:00 組織変更及び人事異動に関するお知らせ |
| 06/19 | 722 | 730 | 714 | 726 | 0% | 155,000 | - | -3.2% |
| 06/18 | 715 | 728 | 712 | 726 | +1.54% | 79,900 | - | -3.33% |
| 06/17 | 717 | 722 | 712 | 715 | -0.28% | 86,400 | - | -4.79% |
| 06/16 | 717 | 717 | 708 | 717 | 0% | 117,400 | - | -4.4% |
| 06/15 | 732 | 733 | 717 | 717 | -0.55% | 102,900 | - | -4.4% |
| 06/12 | 726 | 731 | 721 | 721 | -0.55% | 72,800 | - | -3.87% |
| 06/11 | 724 | 727 | 716 | 725 | -0.28% | 94,000 | - | -3.33% |
| 06/10 | 729 | 736 | 724 | 727 | -0.68% | 75,400 | - | -3.07% |
| 06/09 | 736 | 739 | 725 | 732 | -0.68% | 118,800 | - | -2.27% |
| 06/08 | 738 | 745 | 725 | 737 | -0.14% | 305,800 | - | -1.47% |
| 06/05 | 720 | 743 | 720 | 738 | +3.22% | 223,900 | - | -1.2% |
| 06/04 | 723 | 723 | 712 | 715 | -1.24% | 111,900 | - | -4.03% |
| 06/03 | 714 | 724 | 704 | 724 | +2.26% | 154,000 | - | -2.82% |
| 06/02 | 723 | 723 | 708 | 708 | -2.75% | 170,600 | - | -4.97% |
| 06/01 | 770 | 774 | 723 | 728 | -5.94% | 280,600 | - | -2.28% |
| 05/29 | 787 | 791 | 774 | 774 | -1.15% | 128,500 | - | +3.89% |
| 05/28 | 789 | 794 | 775 | 783 | -0.38% | 114,900 | - | +5.24% |
| 05/27 | 789 | 792 | 778 | 786 | -0.38% | 115,300 | - | +5.93% |
| 05/26 | 789 | 796 | 783 | 789 | -0.38% | 88,900 | - | +6.62% |
| 05/25 | 813 | 817 | 792 | 792 | -3.18% | 182,400 | - | +7.17% |
| 05/22 | 807 | 820 | 804 | 818 | +1.87% | 216,200 | - | +10.99% |
| 05/21 | 790 | 810 | 787 | 803 | +2.69% | 283,600 | - | +9.4% |
| 05/20 | 789 | 790 | 777 | 782 | -2.01% | 200,700 | - | +6.83% |
| 05/19 | 762 | 801 | 761 | 798 | +4.86% | 379,500 | - | +9.17% |
| 05/18 | 744 | 761 | 739 | 761 | +1.74% | 225,700 | - | +4.39% |
| 05/15 | 742 | 753 | 732 | 748 | +1.91% | 203,400 | - | +2.61% |
| 05/14 | 750 | 754 | 728 | 734 | +4.26% | 276,500 | - | +0.69% |
| 05/13 | (IR情報)16:00 2026年3月期通期業績予想値と実績値との差異に関するお知らせ |
| 05/13 | (IR情報)16:00 2026年3月期決算短信〔日本基準〕(連結) |
| 05/13 | 714 | 714 | 703 | 704 | -1.12% | 70,400 | - | -3.56% |
| 05/12 | 721 | 725 | 709 | 712 | -1.25% | 60,600 | - | -2.6% |
| 05/11 | 713 | 725 | 713 | 721 | +1.12% | 123,600 | - | -1.64% |