| 2024 |
| 08/30 | 1,079 | 1,085 | 1,070 | 1,085 | +1.12% | 10,800 | 322億7679万 | +4.83% |
| 08/29 | 1,060 | 1,076 | 1,060 | 1,073 | +1.42% | 13,100 | 319億1981万 | +3.87% |
| 08/28 | 1,060 | 1,060 | 1,057 | 1,058 | +0.09% | 5,300 | 314億7359万 | +2.52% |
| 08/27 | （IR情報）15:00 特定子会社の異動に関するお知らせ |
| 08/27 | 1,050 | 1,058 | 1,049 | 1,057 | +0.76% | 5,900 | 314億4384万 | +2.42% |
| 08/26 | 1,044 | 1,049 | 1,043 | 1,049 | +0.58% | 5,100 | 312億586万 | +1.75% |
| 08/23 | 1,044 | 1,044 | 1,043 | 1,043 | 0% | 3,400 | 310億2737万 | +1.16% |
| 08/22 | 1,041 | 1,044 | 1,041 | 1,043 | +0.19% | 2,900 | 310億2737万 | +1.16% |
| 08/21 | 1,043 | 1,044 | 1,039 | 1,041 | -0.1% | 3,200 | 309億6787万 | +0.97% |
| 08/20 | 1,043 | 1,044 | 1,041 | 1,042 | +0.19% | 3,000 | 309億9762万 | +1.07% |
| 08/19 | 1,040 | 1,044 | 1,040 | 1,040 | 0% | 4,100 | 309億3812万 | +0.87% |
| 08/16 | 1,043 | 1,044 | 1,033 | 1,040 | +1.66% | 8,300 | 309億3812万 | +0.78% |
| 08/15 | 1,024 | 1,030 | 1,023 | 1,023 | +0.2% | 4,400 | 304億3240万 | -0.87% |
| 08/14 | 1,029 | 1,029 | 1,020 | 1,021 | 0% | 3,800 | 303億7291万 | -1.16% |
| 08/13 | 1,006 | 1,021 | 1,005 | 1,021 | +1.9% | 10,300 | 303億7291万 | -1.26% |
| 08/09 | 1,008 | 1,010 | 1,002 | 1,002 | -0.4% | 6,600 | 298億769万 | -3.19% |
| 08/08 | 992 | 1,006 | 992 | 1,006 | +0.7% | 10,000 | 299億2668万 | -2.99% |
| 08/07 | 1,003 | 1,010 | 993 | 999 | -0.1% | 28,600 | 297億1845万 | -3.85% |
| 08/06 | 980 | 1,006 | 980 | 1,000 | +2.04% | 37,200 | 297億4820万 | -3.94% |
| 08/05 | 1,020 | 1,020 | 955 | 980 | -5.59% | 49,900 | 291億5323万 | -6.04% |
| 08/02 | 1,041 | 1,045 | 1,036 | 1,038 | -0.95% | 22,500 | 308億7863万 | -0.67% |
| 08/01 | （IR情報）11:00 腸内細菌叢検査サービスを展開する サイキンソー社へ出資参画 |
| 08/01 | 1,051 | 1,051 | 1,045 | 1,048 | +0.58% | 12,400 | 311億7611万 | +0.19% |
| 07/31 | （IR情報）15:00 株主優待制度の変更(拡充)に関するお知らせ |
| 07/31 | （IR情報）15:00 2025年3月期第1四半期決算短信〔日本基準〕(連結) |
| 07/31 | 1,043 | 1,043 | 1,040 | 1,042 | +0.1% | 6,100 | 309億9762万 | -0.29% |
| 07/30 | 1,047 | 1,047 | 1,041 | 1,041 | -0.29% | 5,200 | 309億6787万 | -0.38% |
| 07/29 | 1,045 | 1,045 | 1,041 | 1,044 | +0.38% | 5,600 | 310億5712万 | -0.1% |
| 07/26 | 1,045 | 1,046 | 1,040 | 1,040 | -0.48% | 9,400 | 309億3812万 | -0.38% |
| 07/25 | 1,050 | 1,050 | 1,042 | 1,045 | -0.29% | 7,300 | 310億8686万 | +0.1% |
| 07/24 | 1,049 | 1,049 | 1,046 | 1,048 | +0.19% | 4,300 | 311億7611万 | +0.38% |
| 07/23 | 1,047 | 1,048 | 1,044 | 1,046 | +0.1% | 6,500 | 311億1661万 | +0.29% |
| 07/22 | 1,045 | 1,046 | 1,044 | 1,045 | +0.1% | 3,000 | 310億8686万 | +0.29% |
| 07/19 | 1,045 | 1,046 | 1,043 | 1,044 | +0.1% | 3,200 | 310億5712万 | +0.29% |
| 07/18 | 1,044 | 1,047 | 1,042 | 1,043 | -0.1% | 6,300 | 310億2737万 | +0.19% |
| 07/17 | 1,050 | 1,050 | 1,042 | 1,044 | -0.1% | 5,600 | 310億5712万 | +0.38% |
| 07/16 | 1,045 | 1,050 | 1,042 | 1,045 | +0.29% | 4,400 | 310億8686万 | +0.58% |
| 07/12 | 1,048 | 1,050 | 1,042 | 1,042 | -0.57% | 7,200 | 309億9762万 | +0.48% |
| 07/11 | 1,048 | 1,049 | 1,042 | 1,048 | +0.29% | 4,200 | 311億7611万 | +1.16% |
| 07/10 | 1,047 | 1,047 | 1,042 | 1,045 | -0.1% | 3,600 | 310億8686万 | +0.97% |
| 07/09 | 1,044 | 1,046 | 1,040 | 1,046 | +0.19% | 6,900 | 311億1661万 | +1.16% |
| 07/08 | 1,046 | 1,048 | 1,040 | 1,044 | -0.38% | 7,300 | 310億5712万 | +1.06% |
| 07/05 | 1,050 | 1,052 | 1,041 | 1,048 | -0.47% | 16,000 | 311億7611万 | +1.55% |
| 07/04 | 1,051 | 1,053 | 1,050 | 1,053 | +0.29% | 4,400 | 313億2485万 | +2.13% |
| 07/03 | 1,053 | 1,053 | 1,050 | 1,050 | +0.1% | 4,200 | 312億3561万 | +2.04% |
| 07/02 | 1,052 | 1,053 | 1,048 | 1,049 | +0.19% | 9,500 | 312億586万 | +2.14% |
| 07/01 | 1,049 | 1,050 | 1,046 | 1,047 | 0% | 6,600 | 311億4636万 | +2.05% |
| 06/28 | 1,048 | 1,048 | 1,044 | 1,047 | +0.19% | 6,500 | 311億4636万 | +2.15% |
| 06/27 | 1,043 | 1,045 | 1,042 | 1,045 | +0.29% | 8,800 | 310億8686万 | +2.15% |
| 06/26 | 1,036 | 1,042 | 1,032 | 1,042 | +0.77% | 8,800 | 309億9762万 | +1.96% |
| 06/25 | （IR情報）15:00 社外取締役との責任限定契約締結に関するお知らせ |
| 06/25 | 1,030 | 1,037 | 1,030 | 1,034 | 0% | 10,100 | 307億5963万 | +1.37% |
| 06/24 | 1,035 | 1,040 | 1,032 | 1,034 | -0.19% | 8,800 | 307億5963万 | +1.47% |
| 06/21 | 1,036 | 1,038 | 1,035 | 1,036 | 0% | 3,400 | 308億1913万 | +1.77% |
| 06/20 | 1,038 | 1,038 | 1,033 | 1,036 | -0.19% | 2,400 | 308億1913万 | +1.87% |
| 06/19 | 1,027 | 1,038 | 1,027 | 1,038 | +1.07% | 15,700 | 308億7863万 | +2.17% |
| 06/18 | 1,025 | 1,027 | 1,022 | 1,027 | +0.2% | 5,500 | 305億5140万 | +1.18% |
| 06/17 | 1,026 | 1,026 | 1,023 | 1,025 | +0.1% | 6,000 | 304億9190万 | +1.08% |
| 06/14 | 1,019 | 1,024 | 1,019 | 1,024 | +0.2% | 3,800 | 304億6215万 | +0.99% |
| 06/13 | 1,020 | 1,025 | 1,020 | 1,022 | +0.2% | 6,200 | 304億266万 | +0.89% |
| 06/12 | 1,020 | 1,024 | 1,016 | 1,020 | +0.29% | 6,100 | 303億4316万 | +0.79% |
| 06/11 | 1,017 | 1,020 | 1,017 | 1,017 | 0% | 3,000 | 302億5391万 | +0.59% |
| 06/10 | 1,016 | 1,019 | 1,016 | 1,017 | +0.2% | 6,300 | 302億5391万 | +0.69% |
| 06/07 | 1,019 | 1,019 | 1,015 | 1,015 | -0.39% | 5,600 | 301億9442万 | +0.59% |
| 06/06 | 1,020 | 1,020 | 1,015 | 1,019 | -0.29% | 2,500 | 303億1341万 | +1.09% |
| 06/05 | 1,021 | 1,022 | 1,016 | 1,022 | +0.1% | 2,500 | 304億266万 | +1.59% |
| 06/04 | 1,023 | 1,025 | 1,012 | 1,021 | +0.1% | 7,900 | 303億7291万 | +1.59% |
| 06/03 | 1,015 | 1,024 | 1,015 | 1,020 | +0.39% | 20,600 | 303億4316万 | +1.59% |
| 05/31 | （IR情報）15:00 従業員に対する譲渡制限付株式としての自己株式の処分の払込完了に関するお知らせ |
| 05/31 | 1,002 | 1,016 | 1,002 | 1,016 | +1.3% | 10,900 | 302億2417万 | +1.3% |
| 05/30 | 1,001 | 1,006 | 1,000 | 1,003 | -0.4% | 5,900 | 298億3744万 | +0.1% |
| 05/29 | 1,006 | 1,015 | 1,003 | 1,007 | -0.59% | 7,700 | 299億5643万 | +0.5% |
| 05/28 | 1,015 | 1,015 | 1,011 | 1,013 | -0.1% | 6,700 | 301億3492万 | +1.3% |
| 05/27 | 1,014 | 1,015 | 1,010 | 1,014 | +0.5% | 9,900 | 301億6467万 | +1.5% |
| 05/24 | 1,010 | 1,014 | 1,005 | 1,009 | 0% | 6,200 | 300億1593万 | +1.1% |
| 05/23 | 1,010 | 1,015 | 1,007 | 1,009 | 0% | 4,700 | 300億1593万 | +1.2% |
| 05/22 | 1,011 | 1,012 | 1,004 | 1,009 | -0.2% | 5,600 | 300億1593万 | +1.31% |
| 05/21 | （IR情報）15:00 (訂正)「中期経営計画「CHANGE 2028」の策定について」の一部訂正について |
| 05/21 | （IR情報）15:00 定款の一部変更(商号変更)に関するお知らせ |
| 05/21 | （IR情報）15:00 剰余金の配当に関するお知らせ |
| 05/21 | 1,010 | 1,016 | 1,006 | 1,011 | +0.1% | 9,400 | 300億7543万 | +1.51% |
| 05/20 | 1,006 | 1,017 | 1,006 | 1,010 | +0.4% | 11,700 | 300億4568万 | +1.51% |
| 05/17 | 1,000 | 1,008 | 1,000 | 1,006 | +0.1% | 4,500 | 299億2668万 | +1.21% |
| 05/16 | 1,007 | 1,010 | 1,001 | 1,005 | -0.4% | 5,500 | 298億9694万 | +1.11% |
| 05/15 | 1,015 | 1,015 | 1,007 | 1,009 | -0.59% | 7,200 | 300億1593万 | +1.71% |
| 05/14 | 1,011 | 1,015 | 1,010 | 1,015 | +0.79% | 9,200 | 301億9442万 | +2.42% |
| 05/13 | 1,001 | 1,010 | 1,000 | 1,007 | +0.7% | 18,600 | 299億5643万 | +1.82% |
| 05/10 | （IR情報）15:00 「従業員に対する譲渡制限付株式としての自己株式の処分に関するお知らせ」の一部変更について |
| 05/10 | 1,001 | 1,001 | 997 | 1,000 | -0.1% | 6,600 | 297億4820万 | +1.21% |
| 05/09 | 1,000 | 1,001 | 995 | 1,001 | +0.2% | 12,000 | 297億7794万 | +1.52% |
| 05/08 | 994 | 1,000 | 993 | 999 | +0.5% | 14,700 | 297億1845万 | +1.32% |
| 05/07 | 992 | 997 | 987 | 994 | +0.2% | 11,100 | 295億6971万 | +0.81% |
| 05/02 | 991 | 996 | 982 | 992 | +0.1% | 10,700 | 295億1021万 | +0.61% |
| 05/01 | 978 | 991 | 967 | 991 | +1.64% | 42,300 | 294億8046万 | +0.51% |
| 04/30 | （IR情報）15:00 支配株主等に関する事項について |
| 04/30 | （IR情報）15:00 中期経営計画「CHANGE 2028」策定について |
| 04/30 | （IR情報）15:00 2024年3月期決算短信〔日本基準〕(連結) |
| 04/30 | 994 | 998 | 968 | 975 | -1.52% | 73,600 | 290億449万 | -1.12% |
| 04/26 | 993 | 993 | 983 | 990 | +0.1% | 9,800 | 294億5071万 | +0.3% |
| 04/25 | 995 | 995 | 983 | 989 | -0.7% | 11,600 | 294億2096万 | +0.2% |
| 04/24 | 1,004 | 1,004 | 995 | 996 | -0.2% | 13,900 | 296億2920万 | +0.81% |
| 04/23 | （IR情報）16:00 バイオインフォマティクスによる酵素開発を行うdigzyme社へ出資参画 |
| 04/23 | 993 | 1,002 | 993 | 998 | +0.71% | 16,100 | 296億8870万 | +1.01% |
| 04/22 | 981 | 991 | 981 | 991 | +1.54% | 8,300 | 294億8046万 | +0.3% |
| 04/19 | 985 | 988 | 969 | 976 | -0.71% | 18,200 | 290億3424万 | -1.31% |
| 04/18 | 982 | 991 | 980 | 983 | +0.72% | 7,000 | 292億4248万 | -0.71% |
| 04/17 | 985 | 989 | 972 | 976 | -0.81% | 13,700 | 290億3424万 | -1.51% |
| 04/16 | 996 | 996 | 982 | 984 | -1.3% | 17,000 | 292億7222万 | -0.81% |
| 04/15 | 996 | 1,002 | 996 | 997 | 0% | 9,000 | 296億5895万 | +0.5% |
| 04/12 | 997 | 1,005 | 991 | 997 | +0.2% | 25,100 | 296億5895万 | +0.4% |
| 04/11 | 990 | 995 | 985 | 995 | +0.3% | 14,300 | 295億9945万 | +0.1% |
| 04/10 | 989 | 994 | 988 | 992 | +0.51% | 12,600 | 295億1021万 | -0.3% |
| 04/09 | 976 | 990 | 976 | 987 | +1.23% | 17,300 | 293億6147万 | -0.9% |
| 04/08 | 973 | 976 | 971 | 975 | +0.62% | 11,700 | 290億449万 | -2.21% |
