| 2018 |
| 05/01 | 2,931 | 2,973 | 2,905 | 2,915 | -2.21% | 34,400 | 839億5200万 | +3.77% |
| 04/27 | 2,860 | 3,005 | 2,832 | 2,981 | +4.38% | 77,000 | 858億5280万 | +6.43% |
| 04/26 | （IR情報）17:00 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 |
| 04/26 | （IR情報）15:00 2018年12月期第1四半期決算参考資料 |
| 04/26 | （IR情報）15:00 平成30年12月期第1四半期決算短信〔日本基準〕(非連結) |
| 04/26 | 2,808 | 2,935 | 2,795 | 2,856 | +1.71% | 46,100 | 822億5280万 | +2.37% |
| 04/25 | 2,748 | 2,876 | 2,718 | 2,808 | +3.08% | 40,300 | 808億7040万 | +0.79% |
| 04/24 | 2,746 | 2,746 | 2,705 | 2,724 | +0.11% | 29,500 | 784億5120万 | -2.12% |
| 04/23 | 2,778 | 2,778 | 2,713 | 2,721 | -0.66% | 18,400 | 783億6480万 | -2.23% |
| 04/20 | 2,777 | 2,778 | 2,732 | 2,739 | -1.33% | 15,300 | 788億8320万 | -1.62% |
| 04/19 | 2,804 | 2,812 | 2,770 | 2,776 | -0.93% | 17,100 | 799億4880万 | -0.32% |
| 04/18 | （IR情報）10:00 スギ花粉症に対するアレルゲン免疫療法薬「シダキュア スギ花粉舌下錠」の薬価収載のお知らせ |
| 04/18 | 2,774 | 2,834 | 2,774 | 2,802 | +1.26% | 17,400 | 806億9760万 | +0.57% |
| 04/17 | 2,827 | 2,827 | 2,767 | 2,767 | -2.43% | 13,600 | 796億8960万 | -0.68% |
| 04/16 | 2,785 | 2,839 | 2,785 | 2,836 | +2.68% | 15,300 | 816億7680万 | +1.72% |
| 04/13 | 2,796 | 2,796 | 2,750 | 2,762 | -0.83% | 12,500 | 795億4560万 | -0.83% |
| 04/12 | 2,803 | 2,821 | 2,782 | 2,785 | -0.21% | 12,100 | 802億800万 | -0.04% |
| 04/11 | 2,805 | 2,817 | 2,790 | 2,791 | -0.85% | 8,900 | 803億8080万 | +0.11% |
| 04/10 | 2,822 | 2,860 | 2,814 | 2,815 | -1.02% | 10,800 | 810億7200万 | +0.97% |
| 04/09 | 2,858 | 2,877 | 2,837 | 2,844 | -0.49% | 13,100 | 819億720万 | +2.05% |
| 04/06 | 2,854 | 2,876 | 2,823 | 2,858 | -0.31% | 15,300 | 823億1040万 | +2.62% |
| 04/05 | 2,865 | 2,891 | 2,851 | 2,867 | +0.92% | 20,900 | 825億6960万 | +2.94% |
| 04/04 | 2,776 | 2,855 | 2,776 | 2,841 | +2.49% | 24,800 | 818億2080万 | +1.9% |
| 04/03 | 2,750 | 2,788 | 2,741 | 2,772 | +0.33% | 13,000 | 798億3360万 | -0.75% |
| 04/02 | 2,828 | 2,828 | 2,763 | 2,763 | -1.6% | 7,200 | 795億7440万 | -1.36% |
| 03/30 | 2,818 | 2,818 | 2,771 | 2,808 | +0.04% | 16,800 | 808億7040万 | 0% |
| 03/29 | 2,858 | 2,872 | 2,787 | 2,807 | -1.27% | 20,000 | 808億4160万 | -0.11% |
| 03/28 | （IR情報）17:30 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 |
| 03/28 | （IR情報）15:00 支配株主等に関する事項について |
| 03/28 | 2,727 | 2,848 | 2,726 | 2,843 | +3.16% | 28,600 | 818億7840万 | +1.17% |
| 03/27 | 2,701 | 2,759 | 2,701 | 2,756 | +2.07% | 20,500 | 793億7280万 | -1.78% |
| 03/26 | 2,711 | 2,719 | 2,672 | 2,700 | -0.63% | 29,200 | 777億6000万 | -3.78% |
| 03/23 | 2,719 | 2,769 | 2,705 | 2,717 | -1.56% | 43,400 | 782億4960万 | -3.24% |
| 03/22 | 2,729 | 2,762 | 2,718 | 2,760 | +1.69% | 22,800 | 794億8800万 | -1.78% |
| 03/20 | 2,706 | 2,719 | 2,696 | 2,714 | -0.55% | 19,600 | 781億6320万 | -3.38% |
| 03/19 | 2,742 | 2,743 | 2,712 | 2,729 | -0.47% | 15,900 | 785億9520万 | -2.92% |
| 03/16 | （IR情報）15:00 人事異動のお知らせ |
| 03/16 | 2,773 | 2,778 | 2,710 | 2,742 | -0.83% | 30,000 | 789億6960万 | -2.49% |
| 03/15 | 2,774 | 2,784 | 2,748 | 2,765 | -1.11% | 14,100 | 796億3200万 | -1.71% |
| 03/14 | 2,806 | 2,816 | 2,775 | 2,796 | -0.75% | 13,400 | 805億2480万 | -0.5% |
| 03/13 | 2,779 | 2,820 | 2,779 | 2,817 | +0.36% | 28,400 | 811億2960万 | +0.11% |
| 03/12 | 2,797 | 2,810 | 2,775 | 2,807 | +1.15% | 13,400 | 808億4160万 | -0.57% |
| 03/09 | 2,813 | 2,843 | 2,760 | 2,775 | -0.11% | 27,200 | 799億2000万 | -2.12% |
| 03/08 | 2,854 | 2,854 | 2,765 | 2,778 | -1.8% | 27,400 | 800億640万 | -2.49% |
| 03/07 | 2,794 | 2,875 | 2,773 | 2,829 | +1.25% | 27,500 | 814億7520万 | -1.12% |
| 03/06 | 2,816 | 2,836 | 2,780 | 2,794 | -0.04% | 24,800 | 804億6720万 | -2.75% |
| 03/05 | 2,778 | 2,822 | 2,778 | 2,795 | +0.29% | 25,400 | 804億9600万 | -3.22% |
| 03/02 | 2,862 | 2,874 | 2,758 | 2,787 | -2.62% | 43,900 | 802億6560万 | -4.03% |
| 03/01 | 2,931 | 2,933 | 2,840 | 2,862 | -2.75% | 49,900 | 824億2560万 | -2.02% |
| 02/28 | 2,953 | 2,972 | 2,938 | 2,943 | -0.88% | 32,300 | 847億5840万 | +0.31% |
| 02/27 | 2,979 | 2,979 | 2,912 | 2,969 | -0.34% | 26,200 | 855億720万 | +0.88% |
| 02/26 | 2,923 | 2,992 | 2,917 | 2,979 | +1.92% | 39,000 | 857億9520万 | +1.15% |
| 02/23 | 2,922 | 2,935 | 2,868 | 2,923 | +2.38% | 45,200 | 841億8240万 | -0.78% |
| 02/22 | 2,860 | 2,869 | 2,801 | 2,855 | +1.42% | 45,300 | 822億2400万 | -3.25% |
| 02/21 | 2,751 | 2,834 | 2,736 | 2,815 | +2.33% | 48,700 | 810億7200万 | -4.9% |
| 02/20 | 2,752 | 2,784 | 2,744 | 2,751 | +0.55% | 34,200 | 792億2880万 | -7.4% |
| 02/19 | 2,718 | 2,737 | 2,694 | 2,736 | -0.87% | 68,200 | 787億9680万 | -8.37% |
| 02/16 | （IR情報）15:00 アレルゲン免疫療法薬TO-203（ミティキュア ダニ舌下錠）の小児適応に係る用法・用量の追加承認取得について |
| 02/16 | 2,750 | 2,799 | 2,745 | 2,760 | -0.11% | 42,200 | 794億8800万 | -7.97% |
| 02/15 | （IR情報）15:00 譲渡制限付株式報酬制度の導入に関するお知らせ |
| 02/15 | 2,739 | 2,822 | 2,733 | 2,763 | +0.88% | 30,100 | 795億7440万 | -8.24% |
| 02/14 | 2,770 | 2,785 | 2,720 | 2,739 | -1.12% | 28,600 | 788億8320万 | -9.39% |
| 02/13 | 2,800 | 2,859 | 2,762 | 2,770 | +0.51% | 50,700 | 797億7600万 | -8.76% |
| 02/09 | 2,683 | 2,810 | 2,683 | 2,756 | -0.33% | 87,400 | 793億7280万 | -9.64% |
| 02/08 | 2,702 | 2,791 | 2,702 | 2,765 | +3.13% | 82,800 | 796億3200万 | -9.7% |
| 02/07 | 2,905 | 2,925 | 2,680 | 2,681 | -7.65% | 191,600 | 772億1280万 | -12.73% |
| 02/06 | （IR情報）15:00 2017年12月期決算参考資料 |
| 02/06 | （IR情報）15:00 平成29年12月期決算短信〔日本基準〕(非連結) |
| 02/06 | （IR情報）15:00 役員の異動に関するお知らせ |
| 02/06 | 2,990 | 3,010 | 2,820 | 2,903 | -4.82% | 116,900 | 836億640万 | -5.87% |
| 02/05 | 3,035 | 3,070 | 3,035 | 3,050 | -1.77% | 32,500 | 878億4000万 | -1.13% |
| 02/02 | 3,130 | 3,130 | 3,100 | 3,105 | -0.32% | 19,000 | 894億2400万 | +0.75% |
| 02/01 | 3,090 | 3,120 | 3,075 | 3,115 | +0.81% | 24,800 | 897億1200万 | +1.3% |
| 01/31 | 3,095 | 3,130 | 3,080 | 3,090 | -0.8% | 31,000 | 889億9200万 | +0.75% |
| 01/30 | 3,150 | 3,150 | 3,100 | 3,115 | -1.74% | 51,100 | 897億1200万 | +1.76% |
| 01/29 | 3,205 | 3,215 | 3,155 | 3,170 | -1.09% | 33,400 | 912億9600万 | +3.8% |
| 01/26 | 3,200 | 3,220 | 3,190 | 3,205 | 0% | 35,900 | 923億400万 | +5.25% |
| 01/25 | 3,200 | 3,235 | 3,185 | 3,205 | +0.63% | 67,000 | 923億400万 | +5.53% |
| 01/24 | 3,130 | 3,195 | 3,110 | 3,185 | +0.79% | 121,100 | 917億2800万 | +5.12% |
| 01/23 | 3,295 | 3,305 | 3,125 | 3,160 | +4.64% | 391,500 | 910億800万 | +4.46% |
| 01/22 | （IR情報）15:00 平成29年12月期通期業績予想の修正に関するお知らせ |
| 01/22 | 3,005 | 3,020 | 2,996 | 3,020 | +0.33% | 16,100 | 869億7600万 | -0.03% |
| 01/19 | 3,045 | 3,050 | 3,000 | 3,010 | -1.47% | 14,000 | 866億8800万 | -0.4% |
| 01/18 | 3,085 | 3,085 | 3,050 | 3,055 | -0.97% | 22,300 | 879億8400万 | +0.99% |
| 01/17 | 3,090 | 3,090 | 3,065 | 3,085 | -0.16% | 16,200 | 888億4800万 | +1.98% |
| 01/16 | 3,115 | 3,115 | 3,085 | 3,090 | -0.8% | 12,200 | 889億9200万 | +2.18% |
| 01/15 | 3,075 | 3,115 | 3,075 | 3,115 | +1.96% | 31,900 | 897億1200万 | +3.21% |
| 01/12 | （IR情報）15:00 JAK阻害剤（皮膚外用製剤）JTE-052の国内第3相臨床試験（比較試験）の速報結果について |
| 01/12 | 3,050 | 3,070 | 3,040 | 3,055 | -0.33% | 20,200 | 879億8400万 | +1.33% |
| 01/11 | 3,065 | 3,065 | 3,040 | 3,065 | -0.33% | 18,300 | 882億7200万 | +1.73% |
| 01/10 | 3,055 | 3,080 | 3,030 | 3,075 | +0.33% | 20,700 | 885億6000万 | +2.16% |
| 01/09 | 3,100 | 3,105 | 3,055 | 3,065 | -1.45% | 23,800 | 882億7200万 | +1.96% |
| 01/05 | 3,050 | 3,120 | 3,045 | 3,110 | +1.97% | 40,100 | 895億6800万 | +3.56% |
| 01/04 | 3,020 | 3,060 | 3,020 | 3,050 | +0.83% | 28,500 | 878億4000万 | +1.67% |
| 2017 |
| 12/29 | 2,977 | 3,025 | 2,965 | 3,025 | +1.78% | 23,500 | 871億2000万 | +0.93% |
| 12/28 | 2,949 | 2,983 | 2,944 | 2,972 | +0.95% | 26,200 | 855億9360万 | -0.83% |
| 12/27 | 2,926 | 2,945 | 2,911 | 2,944 | -0.41% | 32,600 | 847億8720万 | -1.83% |
| 12/26 | 2,940 | 2,960 | 2,940 | 2,956 | +0.61% | 52,900 | 851億3280万 | -1.6% |
| 12/25 | 2,919 | 2,941 | 2,912 | 2,938 | +0.65% | 20,200 | 846億1440万 | -2.33% |
| 12/22 | 2,931 | 2,931 | 2,901 | 2,919 | -0.41% | 25,300 | 840億6720万 | -3.06% |
| 12/21 | 2,944 | 2,954 | 2,924 | 2,931 | -0.54% | 21,800 | 844億1280万 | -2.85% |
| 12/20 | 2,940 | 2,954 | 2,916 | 2,947 | -0.03% | 36,400 | 848億7360万 | -2.51% |
| 12/19 | 2,988 | 2,988 | 2,948 | 2,948 | -1.54% | 30,900 | 849億240万 | -2.67% |
| 12/18 | 3,030 | 3,030 | 2,987 | 2,994 | -1.19% | 40,700 | 862億2720万 | -1.35% |
| 12/15 | （IR情報）15:00 組織変更及び人事異動のお知らせ |
| 12/15 | 3,050 | 3,065 | 3,015 | 3,030 | -0.82% | 23,700 | 872億6400万 | -0.33% |
| 12/14 | 3,095 | 3,100 | 3,035 | 3,055 | -0.81% | 27,000 | 879億8400万 | +0.39% |
| 12/13 | 3,110 | 3,110 | 3,065 | 3,080 | +1.32% | 42,400 | 887億400万 | +1.18% |
| 12/12 | 3,070 | 3,070 | 3,035 | 3,040 | -0.98% | 13,700 | 875億5200万 | -0.13% |
| 12/11 | 3,070 | 3,120 | 3,035 | 3,070 | +0.49% | 26,900 | 884億1600万 | +0.82% |
| 12/08 | 3,145 | 3,165 | 3,030 | 3,055 | -0.65% | 80,400 | 879億8400万 | +0.33% |
| 12/07 | 2,928 | 3,080 | 2,920 | 3,075 | +4.31% | 53,900 | 885億6000万 | +0.99% |
| 12/06 | 3,000 | 3,015 | 2,945 | 2,948 | -2.55% | 48,600 | 849億240万 | -3.19% |
| 12/05 | 3,005 | 3,035 | 3,000 | 3,025 | +0.5% | 32,500 | 871億2000万 | -0.75% |
| 12/04 | 2,972 | 3,050 | 2,970 | 3,010 | +0.43% | 78,100 | 866億8800万 | -1.34% |
| 11/27 | （5%ルール）エフィッシモキャピタルマネージメントピーティーイ…（8.43%） |
