| 2026 |
| 10/06 | 2,429 | 2,462 | 2,422 | 2,448 | +1.2% | 112,100 | - | -1.92% |
| 10/05 | 2,414 | 2,434 | 2,397 | 2,419 | +0.54% | 153,000 | - | -3.32% |
| 10/02 | 2,410 | 2,424 | 2,401 | 2,406 | -1.23% | 143,700 | - | -4.18% |
| 10/01 | 2,444 | 2,453 | 2,403 | 2,436 | -0.94% | 252,900 | - | -3.26% |
| 09/30 | (IR情報)17:00 イトーキ、人を中心に据えた「AIカンパニー」への変革を描き、中計達成の次なる成長への道筋を示した『統合報告書2026』発行のお知らせ |
| 09/30 | 2,455 | 2,492 | 2,441 | 2,459 | +0.37% | 172,600 | - | -2.61% |
| 09/29 | (IR情報)10:30 イトーキグループ会社ダルトン、製薬や半導体の製造現場の自動化ソリューションを強化~ストーブリと日本国内の総代理店契約を締結 |
| 09/29 | 2,468 | 2,468 | 2,426 | 2,450 | -0.97% | 174,200 | - | -3.12% |
| 09/28 | 2,499 | 2,503 | 2,459 | 2,474 | -0.44% | 182,600 | - | -2.33% |
| 09/25 | (5%ルール)アセットマネジメントOne(3.28%)みずほ銀行(2.1%)みずほ証券(0.03%)みずほ信託銀行(0.66%) |
| 09/25 | 2,510 | 2,510 | 2,466 | 2,485 | -1.04% | 209,600 | - | -1.97% |
| 09/24 | (5%ルール)アモーヴァ・アセットマネジメント(1.43%)三井住友トラスト・アセットマネジメント(2.53%) |
| 09/24 | 2,509 | 2,540 | 2,503 | 2,511 | +0.76% | 159,100 | - | -1.06% |
| 09/18 | 2,500 | 2,510 | 2,478 | 2,492 | -1.54% | 263,100 | - | -1.97% |
| 09/17 | 2,479 | 2,531 | 2,475 | 2,531 | +1.97% | 157,400 | - | -0.71% |
| 09/16 | 2,482 | 2,500 | 2,474 | 2,482 | +0.36% | 103,400 | - | -2.82% |
| 09/15 | 2,463 | 2,484 | 2,444 | 2,473 | +0.57% | 199,000 | - | -3.4% |
| 09/14 | (IR情報)17:00 役員の異動に関するお知らせ |
| 09/14 | 2,394 | 2,459 | 2,388 | 2,459 | +2.97% | 175,900 | - | -4.1% |
| 09/11 | 2,390 | 2,414 | 2,366 | 2,388 | -2.81% | 235,800 | - | -6.97% |
| 09/10 | 2,467 | 2,467 | 2,430 | 2,457 | -0.73% | 167,600 | - | -5.1% |
| 09/09 | 2,485 | 2,493 | 2,466 | 2,475 | -0.4% | 144,400 | - | -5.03% |
| 09/08 | 2,510 | 2,519 | 2,485 | 2,485 | -1.74% | 127,800 | - | -5.26% |
| 09/07 | 2,522 | 2,537 | 2,505 | 2,529 | -0.24% | 169,100 | - | -4.17% |
| 09/04 | 2,520 | 2,554 | 2,517 | 2,535 | 0% | 137,000 | - | -4.56% |
| 09/03 | 2,531 | 2,546 | 2,518 | 2,535 | -0.24% | 145,900 | - | -5.06% |
| 09/02 | 2,601 | 2,618 | 2,541 | 2,541 | -3.2% | 153,500 | - | -5.33% |
| 09/01 | 2,628 | 2,662 | 2,615 | 2,625 | -1.57% | 183,400 | - | -2.74% |
| 08/31 | 2,630 | 2,670 | 2,600 | 2,667 | +1.06% | 200,800 | - | -1.62% |
| 08/28 | 2,613 | 2,639 | 2,600 | 2,639 | +1.7% | 152,400 | - | -2.94% |
| 08/27 | 2,635 | 2,651 | 2,588 | 2,595 | -1.85% | 131,700 | - | -4.84% |
| 08/26 | 2,620 | 2,662 | 2,615 | 2,644 | +2.2% | 160,800 | - | -3.43% |
| 08/25 | 2,600 | 2,608 | 2,560 | 2,587 | -0.39% | 101,900 | - | -5.79% |
| 08/24 | 2,560 | 2,597 | 2,552 | 2,597 | +1.25% | 90,400 | - | -5.63% |
| 08/21 | (IR情報)15:30 2026年12月期第2四半期(中間期)決算説明会 ログミーFinance書き起こし記事掲載のお知らせ |
| 08/21 | 2,561 | 2,570 | 2,523 | 2,565 | +0.27% | 103,600 | - | -7.07% |
| 08/20 | 2,523 | 2,558 | 2,517 | 2,558 | +1.99% | 100,500 | - | -7.69% |
| 08/19 | 2,558 | 2,574 | 2,482 | 2,508 | -2.18% | 200,900 | - | -9.85% |
| 08/18 | 2,613 | 2,620 | 2,564 | 2,564 | -2.14% | 230,400 | - | -8.2% |
| 08/17 | 2,659 | 2,661 | 2,610 | 2,620 | -1.95% | 239,300 | - | -6.5% |
| 08/14 | 2,638 | 2,698 | 2,621 | 2,672 | +0.38% | 193,200 | - | -4.98% |
| 08/13 | 2,581 | 2,662 | 2,575 | 2,662 | +1.95% | 226,700 | - | -5.57% |
| 08/12 | 2,565 | 2,615 | 2,541 | 2,611 | +1.52% | 232,700 | - | -7.64% |
| 08/10 | 2,575 | 2,590 | 2,522 | 2,572 | +0.74% | 401,300 | - | -9.31% |
| 08/07 | (IR情報)9:30 2026年12月期 第2四半期決算報告 質疑応答掲載のお知らせ |
| 08/07 | 2,631 | 2,631 | 2,485 | 2,553 | -12.66% | 939,100 | - | -10.17% |
| 08/06 | (IR情報)15:30 2026年12月期第2四半期(中間期)決算補足説明資料 |
| 08/06 | (IR情報)15:30 2026年12月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 08/06 | 2,886 | 2,933 | 2,872 | 2,923 | +0.79% | 188,300 | - | +2.71% |
| 08/05 | 2,897 | 2,920 | 2,877 | 2,900 | +0.21% | 157,800 | - | +2.33% |
| 08/04 | 2,905 | 2,925 | 2,864 | 2,894 | +0.38% | 133,100 | - | +2.48% |
| 08/03 | 2,924 | 2,940 | 2,830 | 2,883 | -1.94% | 230,300 | - | +2.45% |
| 07/31 | 2,916 | 2,971 | 2,870 | 2,940 | +1.34% | 201,200 | - | +4.85% |
| 07/30 | 2,881 | 2,918 | 2,822 | 2,901 | +0.48% | 234,600 | - | +3.98% |
| 07/29 | 2,940 | 2,944 | 2,864 | 2,887 | -0.62% | 227,900 | - | +4% |
| 07/28 | 2,954 | 2,954 | 2,870 | 2,905 | -1.12% | 177,500 | - | +5.18% |
| 07/27 | 2,912 | 2,946 | 2,894 | 2,938 | +2.66% | 138,300 | - | +6.91% |
| 07/24 | 2,820 | 2,870 | 2,820 | 2,862 | +0.56% | 96,900 | - | +4.76% |
| 07/23 | 2,823 | 2,855 | 2,814 | 2,846 | -0.35% | 183,700 | - | +4.75% |
| 07/22 | (IR情報)13:00 イトーキ、アサヒ飲料の「CO2を食べる自販機」で回収したCO2吸収材を活用したスツールを製作 |
| 07/22 | 2,858 | 2,887 | 2,845 | 2,856 | -0.07% | 136,300 | - | +5.78% |
| 07/21 | 2,670 | 2,878 | 2,663 | 2,858 | +5.07% | 416,100 | - | +6.48% |
| 07/17 | 2,810 | 2,810 | 2,672 | 2,720 | -2.89% | 215,400 | - | +1.95% |
| 07/16 | 2,848 | 2,851 | 2,798 | 2,801 | -1.72% | 128,600 | - | +5.46% |
| 07/15 | 2,870 | 2,876 | 2,808 | 2,850 | +0.49% | 203,900 | - | +7.91% |
| 07/14 | 2,778 | 2,850 | 2,754 | 2,836 | +2.75% | 236,200 | - | +8.12% |
| 07/13 | 2,820 | 2,832 | 2,749 | 2,760 | -1.78% | 149,000 | - | +5.91% |
| 07/10 | 2,860 | 2,875 | 2,797 | 2,810 | -1.37% | 154,200 | - | +8.41% |
| 07/09 | 2,830 | 2,865 | 2,791 | 2,849 | -0.28% | 149,900 | - | +10.55% |
| 07/08 | 2,875 | 2,955 | 2,853 | 2,857 | +0.14% | 413,900 | - | +11.69% |
| 07/07 | 2,840 | 2,892 | 2,833 | 2,853 | +0.67% | 278,300 | - | +12.28% |
| 07/06 | 2,772 | 2,863 | 2,751 | 2,834 | +3.81% | 260,700 | - | +12.24% |
| 07/03 | (IR情報)13:00 イトーキと松尾研究所、ABWオフィスにおける移動の目的と生産性の関係を職種別に分析 |
| 07/03 | 2,690 | 2,740 | 2,670 | 2,730 | +2.86% | 234,200 | - | +8.64% |
| 07/02 | 2,642 | 2,656 | 2,627 | 2,654 | +1.18% | 211,600 | - | +5.91% |
| 07/01 | (IR情報)13:00 イトーキ、AIを経営の中核に据え最高AI責任者「CAIO」を新設 |
| 07/01 | 2,643 | 2,655 | 2,596 | 2,623 | -0.76% | 198,500 | - | +4.71% |
| 06/30 | (IR情報)10:00 イトーキ、中国市場におけるオフィスデザイン提案の強化に向け上海拠点を10月に移転 |
| 06/30 | 2,675 | 2,687 | 2,635 | 2,643 | -0.86% | 210,400 | - | +5.38% |
| 06/29 | 2,640 | 2,666 | 2,620 | 2,666 | +1.33% | 416,300 | - | +6.22% |
| 06/26 | 2,621 | 2,638 | 2,570 | 2,631 | +2.33% | 920,400 | - | +4.9% |
| 06/25 | 2,588 | 2,605 | 2,556 | 2,571 | +0.47% | 579,100 | - | +2.51% |
| 06/24 | 2,525 | 2,581 | 2,525 | 2,559 | +0.99% | 302,400 | - | +2.03% |
| 06/23 | 2,584 | 2,585 | 2,534 | 2,534 | -1.44% | 265,200 | - | +0.92% |
| 06/22 | 2,499 | 2,599 | 2,499 | 2,571 | +2.23% | 262,800 | - | +2.1% |
| 06/19 | 2,486 | 2,530 | 2,476 | 2,515 | +1.17% | 229,900 | - | -0.32% |
| 06/18 | 2,438 | 2,494 | 2,421 | 2,486 | +2.26% | 279,900 | - | -1.78% |
| 06/17 | 2,455 | 2,470 | 2,429 | 2,431 | -0.98% | 146,300 | - | -4.4% |
| 06/16 | 2,446 | 2,477 | 2,417 | 2,455 | +0.24% | 203,100 | - | -4.03% |
| 06/15 | 2,480 | 2,485 | 2,445 | 2,449 | +0.45% | 196,900 | - | -4.75% |
| 06/12 | (IR情報)15:30 執行役員人事に関するお知らせ |
| 06/12 | 2,416 | 2,454 | 2,409 | 2,438 | +0.91% | 207,300 | - | -5.65% |
| 06/11 | (IR情報)10:00 イトーキ、AIエージェントとの連携でオフィス運用を最適化する「ITOKI OFFICE DEVICES 」を開発 |
| 06/11 | (IR情報)10:00 イトーキ、従業員数1.5倍、1人あたり面積35%減でも成果につながる本社オフィスへ刷新 |
| 06/11 | 2,396 | 2,429 | 2,386 | 2,416 | +0.33% | 187,200 | - | -7.15% |
| 06/10 | 2,403 | 2,430 | 2,392 | 2,408 | +0.21% | 154,800 | - | -8.61% |
| 06/09 | 2,444 | 2,469 | 2,403 | 2,403 | -0.91% | 170,500 | - | -9.83% |
| 06/08 | 2,381 | 2,428 | 2,381 | 2,425 | +0.12% | 191,400 | - | -10.05% |
| 06/05 | 2,411 | 2,460 | 2,389 | 2,422 | +2.24% | 189,300 | - | -11.31% |
| 06/04 | 2,396 | 2,434 | 2,355 | 2,369 | -3.15% | 339,600 | - | -14.23% |
| 06/03 | 2,405 | 2,477 | 2,389 | 2,446 | -0.37% | 437,100 | - | -12.49% |
| 06/02 | (IR情報)11:00 イトーキ、未利用資源を企業価値に転換するサステナブルデザインソリューション「Econifa UPCYCLE」を2026年6月より提供開始 |
| 06/02 | 2,480 | 2,486 | 2,412 | 2,455 | -2.66% | 378,200 | - | -13.16% |
| 06/01 | 2,550 | 2,573 | 2,491 | 2,522 | -1.75% | 335,900 | - | -11.79% |
| 05/29 | 2,619 | 2,620 | 2,544 | 2,567 | -1.84% | 447,200 | - | -11.18% |
| 05/28 | (IR情報)15:30 株主優待制度内容に関するお知らせ |
| 05/28 | 2,699 | 2,700 | 2,551 | 2,615 | -3.61% | 377,800 | - | -10.41% |
| 05/27 | 2,700 | 2,757 | 2,677 | 2,713 | +1.57% | 384,500 | - | -7.91% |
| 05/26 | 2,660 | 2,730 | 2,615 | 2,671 | +1.87% | 236,200 | - | -10.13% |
| 05/25 | 2,624 | 2,639 | 2,581 | 2,622 | -0.11% | 169,400 | - | -12.57% |
| 05/22 | 2,611 | 2,649 | 2,580 | 2,625 | +2.02% | 262,100 | - | -13.54% |
| 05/21 | 2,699 | 2,699 | 2,573 | 2,573 | -3.02% | 241,200 | - | -16.24% |
| 05/20 | 2,718 | 2,719 | 2,619 | 2,653 | -1.89% | 201,800 | - | -14.67% |
| 05/19 | 2,737 | 2,813 | 2,684 | 2,704 | +0.22% | 202,400 | - | -13.91% |
| 05/18 | 2,722 | 2,725 | 2,652 | 2,698 | -0.63% | 212,400 | - | -14.97% |
| 05/15 | 2,789 | 2,801 | 2,690 | 2,715 | -2.65% | 255,100 | - | -15.16% |
| 05/14 | 2,805 | 2,827 | 2,789 | 2,789 | -0.36% | 222,600 | - | -13.49% |
| 05/13 | 2,799 | 2,833 | 2,791 | 2,799 | +0.43% | 335,100 | - | -13.72% |
| 05/12 | (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 |
| 05/08 | (IR情報)8:30 2026年12月期 第1四半期決算報告 質疑応答要旨掲載のお知らせ |
| 05/07 | (IR情報)15:30 2026年12月期第1四半期決算補足説明資料 |
| 05/07 | (IR情報)15:30 2026年12月期第1四半期決算短信〔日本基準〕(連結) |