| 2026 |
| 04/02 | （IR情報）15:30 自己株式の取得状況に関するお知らせ |
| 04/01 | （IR情報）11:00 アバントグループ、一橋大学大学院 経営管理研究科にて寄附講義を開講 |
| 03/31 | 1,281 | 1,311 | 1,277 | 1,281 | +0.39% | 100,100 | 461億2823万 | -5.6% |
| 03/30 | 1,296 | 1,297 | 1,260 | 1,276 | -3.77% | 154,100 | 480億3610万 | -6.25% |
| 03/27 | 1,315 | 1,329 | 1,308 | 1,326 | +0.68% | 101,400 | 499億1839万 | -2.93% |
| 03/26 | 1,316 | 1,327 | 1,308 | 1,317 | -1.35% | 114,800 | 495億7958万 | -3.94% |
| 03/25 | 1,326 | 1,341 | 1,323 | 1,335 | +1.06% | 91,000 | 502億5721万 | -2.91% |
| 03/24 | 1,310 | 1,324 | 1,301 | 1,321 | +2.48% | 112,600 | 497億3016万 | -4.21% |
| 03/23 | 1,313 | 1,315 | 1,288 | 1,289 | -2.35% | 112,900 | 485億2550万 | -6.86% |
| 03/19 | （IR情報）15:30 アバントグループ、統合報告書「CREATIVE DIALOG 2025」（英語版）を発行 |
| 03/19 | 1,349 | 1,353 | 1,320 | 1,320 | -4.28% | 131,400 | 496億9252万 | -5.17% |
| 03/18 | 1,360 | 1,379 | 1,359 | 1,379 | +1.77% | 81,500 | 519億1362万 | -1.64% |
| 03/17 | 1,347 | 1,366 | 1,343 | 1,355 | +0.97% | 132,800 | 510億1012万 | -3.76% |
| 03/16 | 1,337 | 1,357 | 1,328 | 1,342 | +0.15% | 100,600 | 505億2073万 | -5.02% |
| 03/13 | 1,376 | 1,376 | 1,336 | 1,340 | -3.32% | 200,500 | 504億4544万 | -5.63% |
| 03/12 | （自社株買い）取締役会(2026年2月25日)での決議状況(取得期間2026年2月26日～2026年5月29日) |
| 03/12 | 1,392 | 1,408 | 1,380 | 1,386 | -0.43% | 186,000 | 521億7714万 | -2.81% |
| 03/11 | 1,395 | 1,408 | 1,386 | 1,392 | -0.22% | 148,100 | 524億302万 | -2.93% |
| 03/10 | 1,413 | 1,422 | 1,391 | 1,395 | -1.27% | 126,800 | 525億1596万 | -3.19% |
| 03/09 | 1,349 | 1,413 | 1,345 | 1,413 | -0.84% | 214,300 | 531億9358万 | -2.62% |
| 03/06 | 1,390 | 1,436 | 1,386 | 1,425 | +3.64% | 130,800 | 536億4533万 | -2.66% |
| 03/05 | 1,369 | 1,387 | 1,362 | 1,375 | +4.17% | 197,500 | 517億6304万 | -6.91% |
| 03/04 | 1,300 | 1,326 | 1,275 | 1,320 | +0.69% | 370,500 | 496億9252万 | -11.76% |
| 03/03 | 1,372 | 1,385 | 1,310 | 1,311 | -5.48% | 327,300 | 493億5371万 | -13.52% |
| 03/02 | （IR情報）15:30 自己株式の取得状況に関するお知らせ |
| 03/02 | （IR情報）12:00 アバントグループ、統合報告書「CREATIVE DIALOG 2025」を発行 |
| 03/02 | 1,415 | 1,420 | 1,385 | 1,387 | -2.73% | 212,100 | 522億1479万 | -9.88% |
| 02/27 | 1,416 | 1,433 | 1,409 | 1,426 | +0.56% | 266,000 | 536億8298万 | -8.47% |
| 02/26 | （IR情報）12:00 自己株式立会外買付取引(ToSTNeT-3)による自己株式の取得結果及び自己株式の消却に関するお知らせ |
| 02/26 | 1,426 | 1,445 | 1,415 | 1,418 | +0.21% | 296,300 | 533億8181万 | -9.97% |
| 02/25 | （IR情報）17:05 自己株式の取得中止及び自己株式の取得並びに自己株式の消却、自己株式立会外買付取引(ToSTNeT-3)による自己株式の買付けに関するお知らせ |
| 02/25 | 1,385 | 1,435 | 1,385 | 1,415 | +3.21% | 323,000 | 532億6887万 | -11.12% |
| 02/24 | 1,373 | 1,415 | 1,366 | 1,371 | -0.94% | 294,700 | 516億1246万 | -14.84% |
| 02/20 | 1,399 | 1,399 | 1,373 | 1,384 | -2.47% | 148,700 | 521億185万 | -15.09% |
| 02/19 | 1,439 | 1,439 | 1,400 | 1,419 | -0.7% | 153,100 | 534億1946万 | -14% |
| 02/18 | 1,432 | 1,434 | 1,415 | 1,429 | +0.35% | 94,600 | 537億9592万 | -14.33% |
| 02/17 | 1,446 | 1,448 | 1,411 | 1,424 | -1.52% | 122,500 | 536億769万 | -15.44% |
| 02/16 | 1,441 | 1,470 | 1,436 | 1,446 | +0.98% | 125,200 | 544億3590万 | -14.99% |
| 02/13 | 1,490 | 1,512 | 1,427 | 1,432 | -4.91% | 258,200 | 539億885万 | -16.55% |
| 02/12 | （自社株買い）取締役会(2025年11月19日)での決議状況(取得期間2025年11月28日～2026年5月29日) |
| 02/12 | 1,530 | 1,535 | 1,506 | 1,506 | -3.21% | 138,600 | 566億9465万 | -13.05% |
| 02/10 | 1,538 | 1,560 | 1,538 | 1,556 | +2.23% | 116,000 | 585億7694万 | -10.78% |
| 02/09 | 1,500 | 1,528 | 1,494 | 1,522 | +2.28% | 114,100 | 572億9698万 | -13.13% |
| 02/06 | 1,507 | 1,510 | 1,471 | 1,488 | -2.23% | 157,000 | 560億1702万 | -15.55% |
| 02/05 | （IR情報）15:00 アバントグループ、「経営DXフォーラム2026」を開催～先進企業の挑戦の歩みから、 真のデータ活用による経営管理の高度化と企業価値向上のヒントを考察～ |
| 02/05 | 1,486 | 1,563 | 1,482 | 1,522 | +2.42% | 228,800 | 572億9698万 | -14.16% |
| 02/04 | 1,559 | 1,569 | 1,476 | 1,486 | -6.72% | 318,300 | 559億4173万 | -16.7% |
| 02/03 | 1,591 | 1,604 | 1,577 | 1,593 | +1.79% | 183,700 | 599億6984万 | -11.25% |
| 02/02 | （IR情報）15:30 自己株式の取得状況に関するお知らせ |
| 02/02 | 1,620 | 1,620 | 1,550 | 1,565 | -4.4% | 485,500 | 589億1575万 | -13.15% |
| 01/30 | （IR情報）15:30 2026年6月期第2四半期決算説明資料 |
| 01/30 | （IR情報）15:30 2026年6月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 01/30 | 1,739 | 1,739 | 1,637 | 1,637 | -5.87% | 254,600 | 616億2625万 | -9.61% |
| 01/29 | 1,754 | 1,755 | 1,699 | 1,739 | -1.42% | 658,200 | 654億6613万 | -4.24% |
| 01/29 | （空売り報告）Citigroup Global Markets Limited 89,859株（0.23%）-0.58%義務消失 |
| 01/28 | 1,802 | 1,810 | 1,760 | 1,764 | -3.55% | 159,100 | 664億728万 | -2.92% |
| 01/27 | 1,823 | 1,840 | 1,800 | 1,829 | -0.05% | 138,100 | 688億5426万 | +0.66% |
| 01/27 | （空売り報告）Citigroup Global Markets Limited 307,820株（0.81%）+0.02% |
| 01/26 | 1,881 | 1,885 | 1,816 | 1,830 | -3.28% | 185,600 | 688億9190万 | +0.83% |
| 01/26 | （空売り報告）Citigroup Global Markets Limited 297,720株（0.79%）+0.18% |
| 01/23 | 1,889 | 1,908 | 1,880 | 1,892 | +1.83% | 176,500 | 712億2595万 | +4.42% |
| 01/22 | 1,862 | 1,881 | 1,845 | 1,858 | +0.87% | 146,700 | 699億4599万 | +2.77% |
| 01/21 | 1,838 | 1,845 | 1,811 | 1,842 | -0.05% | 156,200 | 693億4365万 | +1.99% |
| 01/20 | 1,862 | 1,867 | 1,829 | 1,843 | -1.13% | 70,700 | 693億8130万 | +2.28% |
| 01/19 | 1,876 | 1,891 | 1,855 | 1,864 | -0.64% | 101,600 | 701億7186万 | +3.56% |
| 01/19 | （空売り報告）Citigroup Global Markets Limited 232,420株（0.61%）+0.04% |
| 01/16 | 1,867 | 1,896 | 1,843 | 1,876 | -0.58% | 97,600 | 706億2361万 | +4.45% |
| 01/15 | （自社株買い）取締役会(2025年11月19日)での決議状況(取得期間2025年11月28日～2026年5月29日) |
| 01/15 | 1,868 | 1,900 | 1,864 | 1,887 | +1.02% | 81,100 | 710億3772万 | +5.3% |
| 01/14 | 1,841 | 1,899 | 1,838 | 1,868 | +1.47% | 95,600 | 703億2244万 | +4.47% |
| 01/14 | （空売り報告）Citigroup Global Markets Limited 214,620株（0.57%）-0.04% |
| 01/13 | 1,850 | 1,861 | 1,823 | 1,841 | +0.38% | 174,700 | 693億601万 | +3.08% |
| 01/13 | （空売り報告）Citigroup Global Markets Limited 231,820株（0.61%）+0.11% |
| 01/09 | 1,830 | 1,849 | 1,824 | 1,834 | +0.44% | 80,800 | 690億4249万 | +2.8% |
| 01/08 | 1,833 | 1,842 | 1,824 | 1,826 | -0.33% | 79,000 | 687億4132万 | +2.47% |
| 01/07 | 1,799 | 1,844 | 1,786 | 1,832 | +1.72% | 127,400 | 689億6719万 | +2.86% |
| 01/06 | （IR情報）15:30 自己株式の取得状況に関するお知らせ |
| 01/06 | 1,772 | 1,809 | 1,772 | 1,801 | +1.64% | 98,400 | 678億17万 | +1.18% |
| 01/05 | 1,750 | 1,780 | 1,728 | 1,772 | +1.26% | 98,000 | 667億844万 | -0.39% |
| 2025 |
| 12/30 | 1,772 | 1,772 | 1,748 | 1,750 | -1.24% | 43,600 | 658億8023万 | -1.63% |
| 12/29 | 1,778 | 1,790 | 1,759 | 1,772 | -1.23% | 68,400 | 667億844万 | -0.39% |
| 12/26 | 1,780 | 1,808 | 1,772 | 1,794 | +1.24% | 66,400 | 675億3665万 | +0.73% |
| 12/25 | 1,783 | 1,783 | 1,764 | 1,772 | +0.4% | 47,600 | 667億844万 | -0.51% |
| 12/25 | （空売り報告）Citigroup Global Markets Limited 190,520株（0.5%）新規 |
| 12/24 | 1,781 | 1,788 | 1,758 | 1,765 | -0.73% | 47,800 | 664億4492万 | -0.73% |
| 12/23 | 1,779 | 1,789 | 1,772 | 1,778 | +0.11% | 75,500 | 669億3432万 | +0.23% |
| 12/22 | 1,798 | 1,798 | 1,764 | 1,776 | +0.45% | 68,700 | 668億5903万 | +0.28% |
| 12/19 | 1,764 | 1,782 | 1,754 | 1,768 | +0.51% | 51,400 | 665億5786万 | -0.06% |
| 12/18 | 1,755 | 1,785 | 1,755 | 1,759 | -0.68% | 46,900 | 662億1905万 | -0.45% |
| 12/17 | 1,780 | 1,783 | 1,752 | 1,771 | +0.17% | 42,600 | 666億7080万 | +0.28% |
| 12/16 | 1,799 | 1,799 | 1,768 | 1,768 | -1.5% | 43,000 | 665億5786万 | +0.17% |
| 12/15 | 1,784 | 1,814 | 1,782 | 1,795 | +0.62% | 40,100 | 675億7430万 | +1.76% |
| 12/12 | 1,778 | 1,797 | 1,778 | 1,784 | +1.65% | 80,200 | 671億6019万 | +1.31% |
| 12/11 | 1,778 | 1,784 | 1,740 | 1,755 | -1.4% | 70,800 | 660億6846万 | -0.23% |
| 12/10 | （自社株買い）取締役会(2025年11月19日)での決議状況(取得期間2025年11月28日～2026年5月29日) |
| 12/10 | 1,773 | 1,788 | 1,770 | 1,780 | +0.39% | 38,500 | 670億961万 | +1.25% |
| 12/09 | 1,787 | 1,798 | 1,759 | 1,773 | -0.78% | 49,000 | 667億4609万 | +0.91% |
| 12/08 | 1,787 | 1,812 | 1,779 | 1,787 | 0% | 59,600 | 672億7313万 | +2.11% |
| 12/05 | 1,801 | 1,818 | 1,781 | 1,787 | -1.6% | 66,600 | 672億7313万 | +2.76% |
| 12/04 | 1,775 | 1,834 | 1,770 | 1,816 | +2.02% | 104,400 | 683億6486万 | +5.09% |
| 12/03 | 1,767 | 1,792 | 1,765 | 1,780 | -0.34% | 63,800 | 670億961万 | +3.67% |
| 12/02 | 1,809 | 1,823 | 1,786 | 1,786 | -0.78% | 72,200 | 672億3548万 | +4.51% |
| 12/01 | （IR情報）15:30 自己株式の取得状況に関するお知らせ |
| 12/01 | 1,790 | 1,812 | 1,767 | 1,800 | -0.11% | 87,400 | 677億6253万 | +5.76% |
| 11/28 | 1,768 | 1,821 | 1,766 | 1,802 | +0.33% | 78,300 | 678億3782万 | +6.5% |
| 11/27 | 1,777 | 1,802 | 1,774 | 1,796 | +1.76% | 62,800 | 676億1194万 | +6.78% |
| 11/26 | 1,742 | 1,783 | 1,742 | 1,765 | +1.32% | 98,900 | 664億4492万 | +5.56% |
| 11/25 | 1,827 | 1,827 | 1,740 | 1,742 | -5.17% | 157,100 | 655億7907万 | +4.75% |
| 11/21 | 1,753 | 1,838 | 1,753 | 1,837 | +3.26% | 177,100 | 691億5542万 | +11.2% |
| 11/21 | （空売り報告）野村證券 175,798株（0.46%）-0.04%義務消失 |
| 11/20 | 1,743 | 1,816 | 1,732 | 1,779 | +5.33% | 223,700 | 669億7196万 | +8.54% |
| 11/19 | （IR情報）15:30 自己株式取得に係る事項の決定および自己株式消却に係る事項の決定に関するお知らせ |
| 11/19 | 1,690 | 1,712 | 1,675 | 1,689 | 0% | 95,200 | 635億8384万 | +3.75% |
| 11/18 | 1,690 | 1,701 | 1,666 | 1,689 | +0.24% | 67,300 | 635億8384万 | +4.26% |
| 11/17 | 1,708 | 1,721 | 1,681 | 1,685 | -2.32% | 78,400 | 634億3325万 | +4.46% |
| 11/17 | （空売り報告）野村證券 190,328株（0.5%）再IN |
| 11/14 | 1,709 | 1,733 | 1,703 | 1,725 | +0.35% | 86,200 | 649億3909万 | +7.34% |
| 11/13 | 1,742 | 1,742 | 1,714 | 1,719 | -1.21% | 91,600 | 647億1321万 | +7.5% |
| 11/12 | 1,756 | 1,770 | 1,728 | 1,740 | -0.4% | 108,500 | 655億378万 | +9.3% |
| 11/11 | 1,739 | 1,756 | 1,728 | 1,747 | +0.98% | 99,000 | 657億6730万 | +10.36% |
| 11/10 | 1,736 | 1,752 | 1,712 | 1,730 | -0.23% | 98,700 | 651億2732万 | +9.98% |
| 11/07 | 1,712 | 1,750 | 1,703 | 1,734 | +0.35% | 106,700 | 652億7790万 | +10.94% |
| 11/06 | 1,741 | 1,756 | 1,723 | 1,728 | -0.58% | 103,200 | 650億5203万 | +11.27% |
| 11/05 | 1,759 | 1,765 | 1,680 | 1,738 | -1.36% | 222,200 | 654億2848万 | +12.49% |
| 11/04 | 1,726 | 1,780 | 1,713 | 1,762 | +11.1% | 325,100 | 663億3198万 | +14.64% |
| 10/31 | （IR情報）15:30 2026年6月期第1四半期決算短信〔日本基準〕(連結) |
| 10/31 | （IR情報）15:30 2026年6月期第1四半期決算説明資料 |
| 10/31 | 1,549 | 1,586 | 1,536 | 1,586 | +4.27% | 193,300 | 597億631万 | +3.73% |
| 10/30 | 1,556 | 1,556 | 1,513 | 1,521 | +0.33% | 149,100 | 572億5933万 | -0.46% |
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。
