| 2026 |
| 09/25 | 3,770 | 3,770 | 3,710 | 3,765 | +1.48% | 1,000 | - | -1.39% |
| 09/24 | 3,760 | 3,765 | 3,705 | 3,710 | 0% | 3,000 | - | -2.85% |
| 09/18 | 3,785 | 3,785 | 3,710 | 3,710 | -0.67% | 1,300 | - | -2.93% |
| 09/17 | 3,840 | 3,840 | 3,735 | 3,735 | -2.1% | 1,200 | - | -2.38% |
| 09/16 | 3,815 | 3,815 | 3,715 | 3,815 | +0.26% | 1,700 | - | -0.37% |
| 09/15 | 3,865 | 3,865 | 3,805 | 3,805 | -0.13% | 1,000 | - | -0.63% |
| 09/11 | 3,830 | 3,830 | 3,810 | 3,810 | -0.78% | 3,700 | - | -0.44% |
| 09/10 | 3,850 | 3,850 | 3,835 | 3,840 | -0.13% | 400 | - | +0.37% |
| 09/09 | 3,845 | 3,845 | 3,830 | 3,845 | 0% | 700 | - | +0.58% |
| 09/08 | （IR情報）12:00 AI検索で“引用される教育メディア”へ、「コエテコ byGMO」が教育・スクール部門で総合1位 |
| 09/08 | 3,845 | 3,845 | 3,845 | 3,845 | +0.39% | 100 | - | +0.6% |
| 09/07 | （IR情報）15:31 2026年12月期第2四半期(中間期)決算質疑応答集 |
| 09/07 | 3,875 | 3,875 | 3,830 | 3,830 | -1.16% | 700 | - | +0.24% |
| 09/04 | 3,835 | 3,875 | 3,820 | 3,875 | +1.04% | 800 | - | +1.44% |
| 09/03 | 3,875 | 3,875 | 3,835 | 3,835 | -1.03% | 900 | - | +0.47% |
| 09/02 | （自社株買い）取締役会(2026年5月14日)での決議状況(取得期間2026年5月15日～2026年12月31日) |
| 09/02 | 3,875 | 3,875 | 3,840 | 3,875 | +0.39% | 1,500 | - | +1.57% |
| 09/01 | 3,875 | 3,875 | 3,860 | 3,860 | -0.39% | 800 | - | +1.29% |
| 08/31 | 3,875 | 3,880 | 3,840 | 3,875 | 0% | 1,000 | - | +1.81% |
| 08/28 | 3,870 | 3,875 | 3,820 | 3,875 | +0.65% | 1,800 | - | +1.89% |
| 08/27 | 3,865 | 3,865 | 3,815 | 3,850 | -0.52% | 800 | - | +1.29% |
| 08/26 | 3,870 | 3,870 | 3,805 | 3,870 | +0.78% | 1,000 | - | +1.82% |
| 08/25 | （IR情報）12:00 GMOビューティー、歯科医院向け予約・患者管理DXサービス 「キレイパスコネクト デンタル byGMO」を提供開始 |
| 08/25 | 3,840 | 3,840 | 3,800 | 3,840 | +0.79% | 900 | - | +1.11% |
| 08/24 | 3,780 | 3,830 | 3,780 | 3,810 | +0.79% | 900 | - | +0.34% |
| 08/21 | 3,850 | 3,850 | 3,780 | 3,780 | -0.4% | 1,400 | - | -0.5% |
| 08/20 | 3,805 | 3,805 | 3,770 | 3,795 | -0.26% | 1,000 | - | -0.08% |
| 08/19 | 3,810 | 3,810 | 3,760 | 3,805 | +0.13% | 1,700 | - | +0.29% |
| 08/18 | 3,810 | 3,810 | 3,790 | 3,800 | +0.53% | 1,000 | - | +0.24% |
| 08/17 | 3,775 | 3,780 | 3,775 | 3,780 | -0.13% | 4,300 | - | -0.24% |
| 08/14 | 3,870 | 3,870 | 3,775 | 3,785 | -0.92% | 4,600 | - | 0% |
| 08/13 | （IR情報）15:31 2026年12月期第2四半期決算補足説明資料 |
| 08/13 | （IR情報）15:31 2026年12月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 08/13 | 3,765 | 3,820 | 3,765 | 3,820 | +0.13% | 1,700 | - | +1.08% |
| 08/12 | （IR情報）15:00 GMOメディア、「LINEヤフー Partner Program」において「Technology Partner」の「LINEミニアプリ部門」に認定 |
| 08/12 | 3,800 | 3,815 | 3,800 | 3,815 | +0.39% | 2,000 | - | +1.11% |
| 08/10 | 3,800 | 3,800 | 3,750 | 3,800 | +0.8% | 1,600 | - | +0.93% |
| 08/07 | （IR情報）12:30 GMOメディアとジャパンデザインが業務提携、 第1弾として企業の熱中症対策を支援 |
| 08/07 | 3,805 | 3,805 | 3,750 | 3,770 | -0.13% | 1,800 | - | +0.37% |
| 08/06 | 3,805 | 3,805 | 3,775 | 3,775 | 0% | 400 | - | +0.75% |
| 08/05 | 3,740 | 3,810 | 3,735 | 3,775 | -0.92% | 1,800 | - | +1.02% |
| 08/04 | （自社株買い）取締役会(2026年5月14日)での決議状況(取得期間2026年5月15日～2026年12月31日) |
| 08/04 | 3,815 | 3,815 | 3,740 | 3,810 | -0.13% | 800 | - | +2.14% |
| 08/03 | 3,775 | 3,815 | 3,775 | 3,815 | +0.13% | 700 | - | +2.42% |
| 07/31 | 3,810 | 3,810 | 3,790 | 3,810 | 0% | 400 | - | +2.34% |
| 07/30 | 3,780 | 3,810 | 3,735 | 3,810 | +0.79% | 900 | - | +2.53% |
| 07/29 | 3,810 | 3,810 | 3,780 | 3,780 | 0% | 500 | - | +2% |
| 07/28 | 3,780 | 3,780 | 3,775 | 3,780 | +1.2% | 700 | - | +2.27% |
| 07/27 | 3,800 | 3,820 | 3,735 | 3,735 | -1.45% | 1,400 | - | +1.3% |
| 07/24 | 3,805 | 3,815 | 3,790 | 3,790 | -0.79% | 1,100 | - | +2.93% |
| 07/23 | 3,775 | 3,820 | 3,775 | 3,820 | -0.65% | 900 | - | +3.89% |
| 07/22 | 3,815 | 3,845 | 3,800 | 3,845 | +0.79% | 800 | - | +4.77% |
| 07/21 | 3,860 | 3,860 | 3,790 | 3,815 | +0.39% | 700 | - | +4.18% |
| 07/17 | 3,870 | 3,870 | 3,735 | 3,800 | -1.94% | 1,800 | - | +4.02% |
| 07/16 | （IR情報）12:00 自己株式の取得状況および取得終了に関するお知らせ |
| 07/16 | 3,735 | 3,875 | 3,735 | 3,875 | +3.75% | 200 | - | +6.31% |
| 07/15 | 3,780 | 3,850 | 3,735 | 3,735 | +0.54% | 4,300 | - | +2.84% |
| 07/14 | 3,720 | 3,750 | 3,710 | 3,715 | +0.13% | 900 | - | +2.45% |
| 07/13 | 3,750 | 3,750 | 3,710 | 3,710 | -1.07% | 700 | - | +2.43% |
| 07/10 | （IR情報）13:30 AIで教育機関運営のDXを支援するGMOメディアの2サービスが、「デジタル化・AI導入補助金2026」の対象ツールに認定 |
| 07/10 | 3,765 | 3,765 | 3,695 | 3,750 | +1.49% | 2,000 | - | +3.68% |
| 07/09 | 3,640 | 3,700 | 3,640 | 3,695 | +1.51% | 700 | - | +2.35% |
| 07/08 | 3,680 | 3,685 | 3,555 | 3,640 | -0.41% | 2,400 | - | +0.94% |
| 07/07 | 3,670 | 3,675 | 3,655 | 3,655 | +0.97% | 900 | - | +1.39% |
| 07/06 | 3,560 | 3,670 | 3,550 | 3,620 | +1.26% | 2,100 | - | +0.5% |
| 07/03 | 3,520 | 3,595 | 3,520 | 3,575 | +0.7% | 900 | - | -0.67% |
| 07/02 | （自社株買い）取締役会(2026年5月14日)での決議状況(取得期間2026年5月15日～2026年12月31日) |
| 07/02 | （IR情報）12:00 自己株式の取得状況に関するお知らせ |
| 07/02 | 3,595 | 3,595 | 3,525 | 3,550 | +0.71% | 1,200 | - | -1.33% |
| 07/01 | 3,585 | 3,585 | 3,525 | 3,525 | -2.08% | 2,700 | - | -2.08% |
| 06/30 | 3,745 | 3,745 | 3,600 | 3,600 | -2.17% | 2,500 | - | -0.14% |
| 06/29 | 3,650 | 3,705 | 3,605 | 3,680 | -2.39% | 1,500 | - | +2.17% |
| 06/26 | 3,690 | 3,770 | 3,680 | 3,770 | +3.71% | 5,100 | - | +4.81% |
| 06/25 | 3,580 | 3,745 | 3,580 | 3,635 | +2.11% | 2,600 | - | +1.42% |
| 06/24 | 3,535 | 3,570 | 3,535 | 3,560 | +0.71% | 900 | - | -0.56% |
| 06/23 | 3,545 | 3,595 | 3,535 | 3,535 | -0.28% | 3,500 | - | -1.26% |
| 06/22 | 3,615 | 3,615 | 3,535 | 3,545 | -1.94% | 1,400 | - | -1.09% |
| 06/19 | 3,705 | 3,705 | 3,610 | 3,615 | -1.36% | 1,900 | - | +0.7% |
| 06/18 | 3,600 | 3,665 | 3,555 | 3,665 | +0.83% | 1,400 | - | +1.89% |
| 06/17 | 3,610 | 3,640 | 3,600 | 3,635 | -0.14% | 1,200 | - | +0.33% |
| 06/16 | 3,610 | 3,640 | 3,540 | 3,640 | +0.83% | 900 | - | -0.3% |
| 06/15 | （IR情報）17:30 「コエテコ byGMO」、船井総合研究所と共同で発行する『AIが民間教育経営を変える 塾・スクール・教室の生存戦略2026』を無料提供 |
| 06/15 | 3,720 | 3,720 | 3,555 | 3,610 | +0.84% | 2,900 | - | -1.93% |
| 06/12 | 3,565 | 3,585 | 3,565 | 3,580 | +0.42% | 800 | - | -3.56% |
| 06/11 | 3,560 | 3,630 | 3,445 | 3,565 | -0.56% | 1,900 | - | -4.78% |
| 06/10 | 3,600 | 3,620 | 3,585 | 3,585 | -0.42% | 1,100 | - | -5.06% |
| 06/09 | 3,600 | 3,620 | 3,600 | 3,600 | +0.28% | 500 | - | -5.46% |
| 06/08 | 3,590 | 3,590 | 3,590 | 3,590 | 0% | 100 | - | -6.49% |
| 06/05 | 3,595 | 3,595 | 3,590 | 3,590 | -0.14% | 400 | - | -7.26% |
| 06/04 | （IR情報）12:00 自己株式の取得状況に関するお知らせ |
| 06/04 | 3,600 | 3,600 | 3,530 | 3,595 | 0% | 2,600 | - | -7.94% |
| 06/03 | （自社株買い）取締役会(2026年5月14日)での決議状況(取得期間2026年5月15日～2026年12月31日) |
| 06/03 | 3,580 | 3,595 | 3,580 | 3,595 | +0.42% | 400 | - | -8.71% |
| 06/02 | （IR情報）12:00 GMOメディアと大修館書店が共同開発 AIで「書く力」を育成する学習支援サービス「カクコトAI」を 2027年4月に提供開始 |
| 06/02 | 3,615 | 3,615 | 3,565 | 3,580 | +0.56% | 1,200 | - | -9.91% |
| 06/01 | 3,555 | 3,605 | 3,555 | 3,560 | +0.14% | 1,800 | - | -11.22% |
| 05/29 | 3,585 | 3,590 | 3,485 | 3,555 | -0.7% | 2,500 | - | -12.16% |
| 05/28 | 3,585 | 3,590 | 3,580 | 3,580 | -2.05% | 2,700 | - | -12.3% |
| 05/27 | 3,540 | 3,655 | 3,540 | 3,655 | +3.25% | 2,500 | - | -11.22% |
| 05/26 | 3,550 | 3,585 | 3,500 | 3,540 | -0.28% | 1,700 | - | -14.68% |
| 05/25 | 3,490 | 3,550 | 3,460 | 3,550 | +3.2% | 4,100 | - | -15.19% |
| 05/22 | 3,545 | 3,565 | 3,440 | 3,440 | -2.96% | 4,900 | - | -18.46% |
| 05/21 | 3,600 | 3,600 | 3,450 | 3,545 | +0.14% | 10,300 | - | -16.71% |
| 05/20 | 3,635 | 3,635 | 3,520 | 3,540 | -2.61% | 7,300 | - | -17.41% |
| 05/19 | 3,705 | 3,710 | 3,635 | 3,635 | -1.76% | 4,500 | - | -15.78% |
| 05/18 | 3,785 | 3,790 | 3,685 | 3,700 | -2.25% | 12,800 | - | -14.75% |
| 05/15 | 3,905 | 3,950 | 3,665 | 3,785 | -12.69% | 24,500 | - | -13.23% |
| 05/14 | （IR情報）15:31 2026年12月期第1四半期決算補足説明資料 |
| 05/14 | （IR情報）15:31 自己株式取得に係る事項の決定に関するお知らせ(会社法第165条第2項の規定による定款の定めに基づく自己株式の取得) |
| 05/14 | （IR情報）15:31 2026年12月期第1四半期決算短信〔日本基準〕(連結) |
| 05/14 | 4,330 | 4,335 | 4,330 | 4,335 | 0% | 700 | - | -0.98% |
| 05/13 | 4,355 | 4,370 | 4,335 | 4,335 | -0.8% | 1,000 | - | -0.87% |
| 05/12 | 4,430 | 4,430 | 4,370 | 4,370 | -0.34% | 700 | - | +0.05% |
| 05/11 | 4,390 | 4,400 | 4,385 | 4,385 | +0.11% | 800 | - | +0.55% |
| 05/08 | 4,380 | 4,380 | 4,380 | 4,380 | +0.23% | 200 | - | +0.69% |
| 05/07 | 4,420 | 4,430 | 4,370 | 4,370 | -0.23% | 1,000 | - | +0.55% |
| 05/01 | 4,450 | 4,450 | 4,365 | 4,380 | 0% | 1,800 | - | +0.78% |
| 04/30 | 4,405 | 4,405 | 4,310 | 4,380 | -0.11% | 800 | - | +0.81% |
| 04/28 | 4,385 | 4,385 | 4,385 | 4,385 | -1.57% | 100 | - | +0.99% |
| 04/27 | 4,400 | 4,455 | 4,330 | 4,455 | +1.14% | 1,100 | - | +2.67% |
| 04/24 | （IR情報）13:00 スクール向け業務管理システム初、「コエテコマネージャー byGMO」がAI連携可能なパブリック APIを公開 |
| 04/23 | （IR情報）12:00 支配株主等に関する事項について |
| 04/20 | （IR情報）12:00 美容クリニック向け経営支援プラットフォーム「キレイパスコネクト byGMO」が「デジタル化・AI導入補助金2026」対象ツールに認定 |
10年以上蓄積したファイナンスデータとAIを掛け合わせて、投資の意思決定を加速させるポジションです。
