| 2026 |
| 07/29 | 3,830 | 3,855 | 3,800 | 3,855 | +1.05% | 106,600 | 2131億6042万 | +4.93% |
| 07/28 | 3,840 | 3,880 | 3,810 | 3,815 | -1.68% | 122,800 | 2109億4864万 | +4.23% |
| 07/27 | 3,815 | 3,890 | 3,815 | 3,880 | +1.84% | 112,200 | 2145億4279万 | +6.3% |
| 07/24 | (IR情報)15:30 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 |
| 07/24 | 3,740 | 3,810 | 3,735 | 3,810 | +0.79% | 75,400 | 2106億7217万 | +4.76% |
| 07/23 | (5%ルール)みずほ証券(0.44%)アセットマネジメントOne(2.28%)みずほ銀行(2.95%)みずほ信託銀行(0.6%) |
| 07/23 | 3,775 | 3,795 | 3,750 | 3,780 | +0.53% | 67,600 | 2090億1333万 | +4.22% |
| 07/22 | 3,740 | 3,775 | 3,720 | 3,760 | +0.53% | 92,200 | 2079億744万 | +3.92% |
| 07/21 | 3,710 | 3,750 | 3,700 | 3,740 | +2.05% | 109,400 | 2068億155万 | +3.6% |
| 07/17 | 3,695 | 3,715 | 3,615 | 3,665 | -0.95% | 124,600 | 2026億5446万 | +1.66% |
| 07/16 | 3,660 | 3,705 | 3,660 | 3,700 | +0.27% | 134,500 | 2045億8977万 | +2.78% |
| 07/15 | 3,685 | 3,705 | 3,670 | 3,690 | +0.96% | 101,700 | 2040億3683万 | +2.76% |
| 07/14 | 3,640 | 3,675 | 3,625 | 3,655 | +0.97% | 105,600 | 2021億152万 | +2.07% |
| 07/13 | 3,655 | 3,685 | 3,615 | 3,620 | -0.55% | 108,500 | 2001億6621万 | +1.29% |
| 07/10 | (IR情報)10:00 韓国毒性研究機関KITより「共生協力賞」を受賞 |
| 07/10 | 3,690 | 3,690 | 3,625 | 3,640 | -0.14% | 95,300 | 2012億7210万 | +2.02% |
| 07/09 | 3,625 | 3,665 | 3,625 | 3,645 | +0.55% | 102,700 | 2015億4857万 | +2.3% |
| 07/08 | (IR情報)15:30 ESG指数「FTSE JPX Blossom Japan Index」の構成銘柄に4年連続で選定されました |
| 07/08 | 3,640 | 3,675 | 3,625 | 3,625 | -0.14% | 115,100 | 2004億4268万 | +1.88% |
| 07/07 | 3,700 | 3,710 | 3,630 | 3,630 | -1.49% | 136,600 | 2007億1915万 | +2.05% |
| 07/06 | 3,695 | 3,705 | 3,665 | 3,685 | +0.27% | 71,700 | 2037億6035万 | +3.72% |
| 07/03 | (IR情報)15:30 所在不明株主の株式買取りに係る事項の決定に関するお知らせ |
| 07/03 | (IR情報)15:30 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 |
| 07/03 | 3,635 | 3,680 | 3,630 | 3,675 | +1.66% | 135,200 | 2032億741万 | +3.55% |
| 07/02 | 3,645 | 3,645 | 3,590 | 3,615 | +1.12% | 213,200 | 1998億8974万 | +1.92% |
| 07/01 | 3,580 | 3,605 | 3,560 | 3,575 | +1.13% | 142,400 | 1976億7795万 | +0.79% |
| 06/30 | 3,600 | 3,600 | 3,535 | 3,535 | -1.26% | 136,800 | 1954億6617万 | -0.37% |
| 06/29 | 3,600 | 3,615 | 3,550 | 3,580 | 0% | 113,100 | 1979億5443万 | +0.82% |
| 06/26 | 3,565 | 3,610 | 3,565 | 3,580 | +0.7% | 124,000 | 1979億5443万 | +0.82% |
| 06/25 | 3,585 | 3,585 | 3,555 | 3,555 | +0.71% | 88,100 | 1965億7206万 | +0.11% |
| 06/24 | 3,525 | 3,565 | 3,510 | 3,530 | +0.14% | 120,100 | 1951億8970万 | -0.68% |
| 06/23 | 3,570 | 3,580 | 3,525 | 3,525 | -1.12% | 157,900 | 1949億1323万 | -0.79% |
| 06/22 | 3,515 | 3,590 | 3,515 | 3,565 | +0.71% | 133,200 | 1971億2501万 | +0.25% |
| 06/19 | 3,565 | 3,590 | 3,535 | 3,540 | -0.7% | 138,000 | 1957億4265万 | -0.42% |
| 06/18 | 3,565 | 3,600 | 3,555 | 3,565 | +0.42% | 109,800 | 1971億2501万 | +0.37% |
| 06/17 | 3,570 | 3,580 | 3,545 | 3,550 | -0.7% | 80,500 | 1962億9559万 | -0.14% |
| 06/16 | 3,575 | 3,610 | 3,565 | 3,575 | -0.56% | 88,100 | 1976億7795万 | +0.39% |
| 06/15 | 3,600 | 3,645 | 3,590 | 3,595 | +0.98% | 127,800 | 1987億8384万 | +0.81% |
| 06/12 | 3,500 | 3,565 | 3,495 | 3,560 | +3.04% | 186,500 | 1968億4854万 | -0.22% |
| 06/11 | 3,460 | 3,465 | 3,410 | 3,455 | -0.14% | 100,700 | 1910億4261万 | -3.28% |
| 06/10 | (IR情報)10:00 「SOMPOサステナビリティ・インデックス」の構成銘柄に6年連続で選定されました |
| 06/10 | 3,460 | 3,480 | 3,425 | 3,460 | -0.57% | 96,900 | 1913億1908万 | -3.38% |
| 06/09 | 3,495 | 3,515 | 3,460 | 3,480 | +0.43% | 135,800 | 1924億2497万 | -2.98% |
| 06/08 | 3,460 | 3,495 | 3,420 | 3,465 | -1.42% | 137,400 | 1915億9556万 | -3.56% |
| 06/05 | 3,540 | 3,540 | 3,505 | 3,515 | -0.14% | 80,400 | 1943億6028万 | -2.39% |
| 06/04 | 3,540 | 3,560 | 3,505 | 3,520 | -1.81% | 95,900 | 1946億3675万 | -2.33% |
| 06/03 | 3,550 | 3,600 | 3,535 | 3,585 | +1.13% | 109,300 | 1982億3090万 | -0.64% |
| 06/02 | 3,535 | 3,555 | 3,500 | 3,545 | -0.7% | 129,500 | 1960億1912万 | -1.8% |
| 06/01 | 3,615 | 3,625 | 3,545 | 3,570 | -2.06% | 169,400 | 1974億148万 | -1.19% |
| 05/29 | 3,650 | 3,690 | 3,605 | 3,645 | +1.25% | 196,000 | 2015億4857万 | +0.83% |
| 05/28 | 3,610 | 3,635 | 3,535 | 3,600 | 0% | 112,100 | 1990億6032万 | -0.39% |
| 05/27 | 3,615 | 3,655 | 3,585 | 3,600 | -0.14% | 136,500 | 1990億6032万 | -0.53% |
| 05/26 | 3,580 | 3,625 | 3,545 | 3,605 | +0.7% | 121,700 | 1993億3679万 | -0.47% |
| 05/25 | 3,600 | 3,640 | 3,570 | 3,580 | -0.28% | 118,700 | 1979億5443万 | -1.19% |
| 05/22 | (IR情報)15:30 資本準備金の額の減少に関するお知らせ |
| 05/22 | (IR情報)15:30 剰余金の配当に関するお知らせ |
| 05/22 | 3,610 | 3,620 | 3,540 | 3,590 | -0.83% | 116,300 | 1985億737万 | -1.02% |
| 05/21 | 3,590 | 3,650 | 3,580 | 3,620 | +2.84% | 155,800 | 2001億6621万 | -0.3% |
| 05/20 | 3,515 | 3,550 | 3,485 | 3,520 | -1.81% | 212,900 | 1946億3675万 | -3.11% |
| 05/19 | 3,550 | 3,595 | 3,510 | 3,585 | +1.13% | 217,300 | 1982億3090万 | -1.57% |
| 05/18 | 3,470 | 3,575 | 3,450 | 3,545 | +2.46% | 307,200 | 1960億1912万 | -2.8% |
| 05/15 | 3,380 | 3,460 | 3,310 | 3,460 | -5.46% | 476,700 | 1913億1908万 | -5.21% |
| 05/14 | (IR情報)15:30 中期経営計画「かがくで、かがやく。Stage 3」(2026年度~2029年度) |
| 05/14 | (IR情報)15:30 株式給付信託(J-ESOP-RS)に係る追加拠出に伴う自己株式の処分に関するお知らせ |
| 05/14 | (IR情報)15:30 2026年3月期決算短信〔日本基準〕(連結) |
| 05/14 | (IR情報)15:30 2026年3月期(第157期)配当予想の修正(増配)に関するお知らせ |
| 05/14 | (IR情報)15:30 2026年3月期決算概要 |
| 05/14 | 3,700 | 3,705 | 3,645 | 3,660 | -1.08% | 138,100 | 2023億7799万 | +0.14% |
| 05/13 | 3,680 | 3,735 | 3,675 | 3,700 | +0.54% | 141,200 | 2045億8977万 | +1.29% |
| 05/12 | 3,690 | 3,720 | 3,650 | 3,680 | +0.55% | 106,500 | 2034億8388万 | +0.88% |
| 05/11 | 3,660 | 3,695 | 3,650 | 3,660 | 0% | 107,600 | 2023億7799万 | +0.38% |
| 05/08 | (IR情報)10:00 SBT認定取得に向けたコミットメントを申請 |
| 05/08 | 3,675 | 3,680 | 3,620 | 3,660 | -0.14% | 138,000 | 2023億7799万 | +0.55% |
| 05/07 | 3,635 | 3,710 | 3,625 | 3,665 | +1.24% | 157,500 | 2026億5446万 | +0.83% |
| 05/01 | 3,635 | 3,640 | 3,580 | 3,620 | -0.41% | 96,900 | 2001億6621万 | -0.39% |
| 04/30 | 3,600 | 3,665 | 3,575 | 3,635 | -0.41% | 157,900 | 2009億9563万 | 0% |
| 04/28 | 3,605 | 3,655 | 3,595 | 3,650 | +1.25% | 163,800 | 2018億2504万 | +0.41% |
| 04/27 | 3,630 | 3,640 | 3,580 | 3,605 | -0.55% | 84,500 | 1993億3679万 | -0.72% |
| 04/24 | 3,665 | 3,685 | 3,610 | 3,625 | +0.14% | 77,500 | 2004億4268万 | -0.08% |
| 04/23 | 3,605 | 3,625 | 3,565 | 3,620 | +0.14% | 108,400 | 2001億6621万 | -0.25% |
| 04/22 | 3,635 | 3,645 | 3,600 | 3,615 | -0.69% | 89,100 | 1998億8974万 | -0.55% |
| 04/21 | 3,650 | 3,660 | 3,610 | 3,640 | +0.69% | 103,000 | 2012億7210万 | +0.05% |
| 04/20 | 3,730 | 3,735 | 3,615 | 3,615 | -2.69% | 89,800 | 1998億8974万 | -0.71% |
| 04/17 | 3,685 | 3,740 | 3,635 | 3,715 | +1.09% | 153,200 | 2054億1919万 | +1.95% |
| 04/16 | 3,645 | 3,690 | 3,630 | 3,675 | +0.96% | 93,900 | 2032億741万 | +0.85% |
| 04/15 | 3,705 | 3,740 | 3,630 | 3,640 | -1.22% | 99,900 | 2012億7210万 | -0.27% |
| 04/14 | 3,685 | 3,710 | 3,655 | 3,685 | +0.41% | 73,400 | 2037億6035万 | +0.74% |
| 04/13 | 3,680 | 3,695 | 3,630 | 3,670 | -0.54% | 110,200 | 2029億3093万 | +0.16% |
| 04/10 | (IR情報)11:00 日本曹達株式会社と北海道大学が共同研究を開始 |
| 04/10 | 3,735 | 3,750 | 3,690 | 3,690 | -0.94% | 78,400 | 2040億3683万 | +0.38% |
| 04/09 | 3,755 | 3,770 | 3,710 | 3,725 | -0.13% | 135,900 | 2059億7213万 | +1.06% |
| 04/08 | 3,725 | 3,765 | 3,700 | 3,730 | +3.04% | 171,100 | 2062億4861万 | +1.06% |
| 04/07 | 3,580 | 3,625 | 3,575 | 3,620 | +1.54% | 120,400 | 2001億6621万 | -2.22% |
| 04/06 | 3,595 | 3,600 | 3,565 | 3,565 | -1.38% | 134,500 | 1971億2501万 | -4.27% |
| 04/03 | 3,620 | 3,630 | 3,580 | 3,615 | +0.7% | 101,900 | 1998億8974万 | -3.57% |
| 04/02 | 3,665 | 3,685 | 3,590 | 3,590 | -0.97% | 112,100 | 1985億737万 | -4.72% |
| 04/01 | (IR情報)10:00 自己株式の消却完了に関するお知らせ |
| 04/01 | 3,565 | 3,625 | 3,560 | 3,625 | +3.72% | 101,200 | 2004億4268万 | -4.4% |
| 03/31 | 3,500 | 3,545 | 3,460 | 3,495 | -1.41% | 142,600 | 1932億5439万 | -8.27% |
| 03/30 | 3,430 | 3,555 | 3,425 | 3,545 | -2.61% | 244,900 | 2013億1251万 | -7.56% |
| 03/27 | 3,615 | 3,665 | 3,600 | 3,640 | -0.27% | 194,800 | 2067億735万 | -5.7% |
| 03/26 | 3,650 | 3,665 | 3,615 | 3,650 | +0.55% | 148,500 | 2072億7522万 | -5.9% |
| 03/25 | 3,625 | 3,665 | 3,625 | 3,630 | +2.11% | 162,100 | 2061億3947万 | -6.8% |
| 03/24 | 3,615 | 3,625 | 3,545 | 3,555 | +1.14% | 129,300 | 2018億8039万 | -9.13% |
| 03/23 | 3,590 | 3,590 | 3,490 | 3,515 | -3.96% | 246,000 | 1996億888万 | -10.63% |
| 03/19 | 3,720 | 3,740 | 3,660 | 3,660 | -3.05% | 253,400 | 2078億4310万 | -7.29% |
| 03/18 | 3,745 | 3,780 | 3,720 | 3,775 | +2.17% | 83,600 | 2143億7369万 | -4.6% |
| 03/17 | (IR情報)15:00 経済産業省が定める「DX認定事業者」の認定を更新しました |
| 03/17 | 3,750 | 3,760 | 3,690 | 3,695 | 0% | 104,000 | 2098億3067万 | -6.72% |
| 03/16 | 3,705 | 3,750 | 3,685 | 3,695 | -0.27% | 188,200 | 2098億3067万 | -6.83% |
| 03/13 | 3,655 | 3,740 | 3,645 | 3,705 | -0.4% | 229,800 | 2103億9855万 | -6.65% |
| 03/12 | (IR情報)10:55 健康経営優良法人(大規模法人部門)に9年連続で認定されました |
| 03/12 | 3,800 | 3,810 | 3,705 | 3,720 | -2.62% | 216,500 | 2112億5037万 | -6.34% |
| 03/11 | 3,875 | 3,885 | 3,800 | 3,820 | -0.65% | 329,200 | 2169億2914万 | -3.83% |
| 03/10 | 3,880 | 3,900 | 3,815 | 3,845 | +0.26% | 181,400 | 2183億4883万 | -3.03% |
| 03/09 | 3,790 | 3,865 | 3,775 | 3,835 | -3.28% | 222,400 | 2177億8095万 | -3.13% |
| 03/06 | (IR情報)15:30 自己株式の消却に関するお知らせ |
| 03/06 | (IR情報)15:30 株式給付信託(J-ESOP)の一部改定に関するお知らせ |
| 03/06 | 3,890 | 3,985 | 3,855 | 3,965 | +0.63% | 179,900 | 2251億6336万 | +0.3% |
| 03/05 | 3,925 | 3,985 | 3,910 | 3,940 | +2.2% | 201,500 | 2237億4367万 | -0.03% |
| 03/04 | 3,880 | 3,915 | 3,800 | 3,855 | -3.5% | 226,300 | 2189億1671万 | -1.96% |