| 2026 |
| 02/25 | (IR情報)15:30 当社株式の上場廃止に関するお知らせ |
| 02/25 | 2,516 | 2,522 | 2,516 | 2,516 | +0.04% | 32,600 | 389億3641万 | +0.08% |
| 02/24 | 2,515 | 2,516 | 2,515 | 2,515 | +0.04% | 39,400 | 389億2094万 | +0.04% |
| 02/20 | 2,516 | 2,519 | 2,513 | 2,514 | -0.32% | 54,600 | 389億546万 | 0% |
| 02/19 | 2,516 | 2,524 | 2,515 | 2,522 | +0.24% | 22,800 | 390億2927万 | +0.32% |
| 02/18 | 2,516 | 2,530 | 2,515 | 2,516 | +0.04% | 33,000 | 389億3641万 | +0.12% |
| 02/17 | 2,514 | 2,516 | 2,514 | 2,515 | 0% | 11,600 | 389億2094万 | +0.08% |
| 02/16 | 2,515 | 2,518 | 2,514 | 2,515 | -0.04% | 44,300 | 389億2094万 | +0.08% |
| 02/13 | 2,515 | 2,520 | 2,514 | 2,516 | +0.04% | 27,300 | 389億3641万 | +0.12% |
| 02/12 | 2,514 | 2,516 | 2,514 | 2,515 | +0.08% | 63,100 | 389億2094万 | +0.08% |
| 02/10 | 2,513 | 2,514 | 2,513 | 2,513 | 0% | 16,800 | 388億8999万 | 0% |
| 02/09 | 2,515 | 2,515 | 2,513 | 2,513 | 0% | 31,200 | 388億8999万 | 0% |
| 02/06 | 2,513 | 2,515 | 2,513 | 2,513 | 0% | 21,100 | 388億8999万 | 0% |
| 02/05 | 2,513 | 2,515 | 2,513 | 2,513 | 0% | 17,900 | 388億8999万 | 0% |
| 02/04 | 2,512 | 2,515 | 2,512 | 2,513 | +0.04% | 60,200 | 388億8999万 | 0% |
| 02/03 | 2,513 | 2,517 | 2,512 | 2,512 | -0.2% | 50,200 | 388億7451万 | -0.04% |
| 02/02 | 2,513 | 2,517 | 2,512 | 2,517 | +0.16% | 32,300 | 389億5189万 | +0.12% |
| 01/30 | (IR情報)15:30 2026年3月期第3四半期決算短信[日本基準](連結) |
| 01/30 | (IR情報)13:00 株式併合並びに単元株式数の定めの廃止及び定款の一部変更に係る承認決議に関するお知らせ |
| 01/30 | 2,512 | 2,514 | 2,512 | 2,513 | +0.04% | 34,900 | 388億8999万 | -0.04% |
| 01/29 | 2,513 | 2,513 | 2,512 | 2,512 | 0% | 6,600 | 388億7451万 | -0.08% |
| 01/28 | 2,512 | 2,513 | 2,512 | 2,512 | -0.04% | 7,900 | 388億7451万 | -0.08% |
| 01/27 | 2,512 | 2,513 | 2,512 | 2,513 | +0.04% | 36,400 | 388億8999万 | -0.04% |
| 01/26 | 2,513 | 2,514 | 2,511 | 2,512 | -0.08% | 64,100 | 388億7451万 | -0.08% |
| 01/23 | 2,513 | 2,514 | 2,513 | 2,514 | 0% | 4,800 | 389億546万 | 0% |
| 01/22 | 2,513 | 2,514 | 2,512 | 2,514 | +0.08% | 13,800 | 389億546万 | 0% |
| 01/21 | (IR情報)16:00 新たなデータセンター「inet annex」を2026年1月に開所 |
| 01/21 | 2,512 | 2,514 | 2,512 | 2,512 | 0% | 13,700 | 388億7451万 | -0.08% |
| 01/20 | 2,512 | 2,513 | 2,512 | 2,512 | +0.04% | 15,500 | 388億7451万 | -0.08% |
| 01/19 | 2,512 | 2,514 | 2,511 | 2,511 | +0.04% | 18,700 | 388億5904万 | -0.16% |
| 01/16 | 2,516 | 2,516 | 2,508 | 2,510 | -0.2% | 58,300 | 388億4356万 | -0.2% |
| 01/15 | 2,513 | 2,517 | 2,513 | 2,515 | +0.08% | 19,900 | 389億2094万 | 0% |
| 01/14 | 2,513 | 2,516 | 2,513 | 2,513 | 0% | 5,900 | 388億8999万 | -0.08% |
| 01/13 | 2,513 | 2,516 | 2,513 | 2,513 | -0.04% | 13,400 | 388億8999万 | -0.08% |
| 01/09 | 2,511 | 2,514 | 2,511 | 2,514 | +0.08% | 8,100 | 389億546万 | -0.04% |
| 01/08 | 2,512 | 2,513 | 2,512 | 2,512 | -0.04% | 8,000 | 388億7451万 | -0.08% |
| 01/07 | 2,513 | 2,514 | 2,512 | 2,513 | 0% | 20,000 | 388億8999万 | -0.08% |
| 01/06 | 2,513 | 2,514 | 2,513 | 2,513 | 0% | 5,900 | 388億8999万 | -0.08% |
| 01/05 | 2,513 | 2,515 | 2,512 | 2,513 | +0.04% | 18,500 | 388億8999万 | -0.04% |
| 2025 |
| 12/30 | 2,517 | 2,521 | 2,511 | 2,512 | -0.16% | 19,300 | 388億7451万 | -0.08% |
| 12/29 | 2,518 | 2,523 | 2,516 | 2,516 | -0.08% | 8,700 | 389億3641万 | +0.04% |
| 12/26 | 2,523 | 2,525 | 2,517 | 2,518 | -0.12% | 15,200 | 389億6736万 | +0.12% |
| 12/25 | 2,516 | 2,521 | 2,516 | 2,521 | +0.2% | 11,300 | 390億1379万 | +0.28% |
| 12/24 | 2,518 | 2,518 | 2,514 | 2,516 | 0% | 35,300 | 389億3641万 | +0.08% |
| 12/23 | 2,516 | 2,518 | 2,516 | 2,516 | 0% | 18,200 | 389億3641万 | +0.08% |
| 12/22 | 2,516 | 2,518 | 2,516 | 2,516 | 0% | 19,200 | 389億3641万 | +0.08% |
| 12/19 | 2,516 | 2,518 | 2,515 | 2,516 | 0% | 27,300 | 389億3641万 | +0.08% |
| 12/18 | (IR情報)13:00 自己株式の消却に関するお知らせ |
| 12/18 | (IR情報)13:00 株式併合並びに単元株式数の定めの廃止及び定款の一部変更に関する臨時株主総会開催のお知らせ |
| 12/18 | 2,516 | 2,522 | 2,516 | 2,516 | 0% | 19,000 | 389億3641万 | +0.08% |
| 12/17 | 2,517 | 2,525 | 2,516 | 2,516 | 0% | 9,600 | 389億3641万 | +0.04% |
| 12/16 | 2,516 | 2,525 | 2,516 | 2,516 | 0% | 10,000 | 389億3641万 | +0.04% |
| 12/15 | 2,513 | 2,519 | 2,513 | 2,516 | +0.08% | 56,800 | 389億3641万 | 0% |
| 12/12 | 2,516 | 2,517 | 2,512 | 2,514 | 0% | 37,800 | 389億546万 | -0.08% |
| 12/11 | 2,513 | 2,515 | 2,513 | 2,514 | +0.04% | 18,000 | 389億546万 | -0.12% |
| 12/10 | 2,513 | 2,515 | 2,512 | 2,513 | 0% | 21,700 | 388億8999万 | -0.16% |
| 12/09 | 2,513 | 2,516 | 2,512 | 2,513 | +0.04% | 17,300 | 388億8999万 | -0.2% |
| 12/08 | 2,512 | 2,514 | 2,512 | 2,512 | 0% | 41,900 | 388億7451万 | -0.24% |
| 12/05 | (5%ルール)ゴールドマン・サックス・インターナショナル(Gol…(0.16%) |
| 12/05 | 2,512 | 2,518 | 2,512 | 2,512 | -0.04% | 14,100 | 388億7451万 | -0.28% |
| 12/04 | (5%ルール)野村證券(0.55%)野村アセットマネジメント(0.43%)ノムラインターナショナルピーエルシー(NOMURA IN…(1.57%) |
| 12/04 | 2,512 | 2,515 | 2,512 | 2,513 | +0.04% | 27,300 | 388億8999万 | -0.28% |
| 12/03 | 2,513 | 2,514 | 2,511 | 2,512 | -0.04% | 61,600 | 388億7451万 | -0.32% |
| 12/02 | 2,512 | 2,517 | 2,512 | 2,513 | -0.08% | 19,000 | 388億8999万 | -0.32% |
| 12/01 | 2,513 | 2,515 | 2,511 | 2,515 | +0.12% | 71,900 | 389億2094万 | -0.24% |
| 11/28 | 2,511 | 2,515 | 2,510 | 2,512 | +0.16% | 258,300 | 388億7451万 | -0.4% |
| 11/27 | 2,517 | 2,518 | 2,508 | 2,508 | -0.28% | 791,000 | 388億1261万 | -0.56% |
| 11/26 | 2,516 | 2,519 | 2,515 | 2,515 | -0.04% | 26,300 | 389億2094万 | -0.32% |
| 11/25 | (5%ルール)OFI・01(83.41%) |
| 11/25 | 2,515 | 2,520 | 2,515 | 2,516 | +0.04% | 50,100 | 389億3641万 | -0.28% |
| 11/21 | (IR情報)13:00 臨時株主総会招集のための基準日設定に関するお知らせ |
| 11/21 | (5%ルール)ノムラインターナショナルピーエルシー(NOMURA IN…(2.85%)野村證券(0.98%)野村アセットマネジメント(1.62%) |
| 11/21 | 2,513 | 2,517 | 2,513 | 2,515 | 0% | 54,600 | 389億2094万 | -0.36% |
| 11/20 | 2,516 | 2,520 | 2,514 | 2,515 | +0.08% | 51,400 | 389億2094万 | -0.36% |
| 11/19 | 2,520 | 2,523 | 2,513 | 2,513 | -0.12% | 34,400 | 388億8999万 | -0.48% |
| 11/18 | (5%ルール)OFI・01(83.41%) |
| 11/18 | (IR情報)10:00 OFI・01株式会社による当社株式に対する公開買付けの結果並びに親会社及び主要株主である筆頭株主の異動に関するお知らせ |
| 11/18 | 2,506 | 2,528 | 2,504 | 2,516 | +0.4% | 220,300 | 389億3641万 | -0.36% |
| 11/17 | 2,507 | 2,511 | 2,501 | 2,506 | -0.56% | 81,400 | 387億8166万 | -0.75% |
| 11/14 | (IR情報)17:00 LGBTQ+への取り組みを評価する「PRIDE指標」 4年連続最高ランクの「ゴールド」を受賞、「レインボー認定」を初取得 |
| 11/14 | 2,526 | 2,529 | 2,519 | 2,520 | -0.32% | 51,100 | 389億9832万 | -0.24% |
| 11/13 | 2,528 | 2,529 | 2,527 | 2,528 | +0.04% | 92,700 | 391億2212万 | +0.08% |
| 11/12 | 2,527 | 2,529 | 2,527 | 2,527 | 0% | 184,100 | 391億664万 | +0.04% |
| 11/11 | 2,528 | 2,528 | 2,526 | 2,527 | -0.04% | 141,200 | 391億664万 | +0.04% |
| 11/10 | (5%ルール)ノムラインターナショナルピーエルシー(NOMURA IN…(2.43%)野村證券(0.31%)野村アセットマネジメント(2.26%) |
| 11/10 | 2,528 | 2,529 | 2,527 | 2,528 | 0% | 175,200 | 391億2212万 | +0.84% |
| 11/07 | 2,528 | 2,528 | 2,527 | 2,528 | +0.08% | 124,400 | 391億2212万 | +2.27% |
| 11/06 | 2,528 | 2,528 | 2,526 | 2,526 | -0.08% | 136,400 | 390億9117万 | +3.65% |
| 11/06 | (空売り報告)Morgan Stanley & Co. International plc 897株(0%)-0.54%義務消失 |
| 11/05 | 2,526 | 2,528 | 2,526 | 2,528 | 0% | 160,200 | 391億2212万 | +5.11% |
| 11/05 | (空売り報告)Morgan Stanley & Co. International plc 84,444株(0.54%)新規 |
| 11/04 | 2,527 | 2,528 | 2,525 | 2,528 | +0.08% | 148,100 | 391億2212万 | +6.44% |
| 10/31 | (IR情報)15:30 2026年3月期第2四半期(中間期)決算補足説明資料 |
| 10/31 | (IR情報)15:30 2026年3月期第2四半期(中間期)決算短信[日本基準](連結) |
| 10/31 | 2,527 | 2,528 | 2,525 | 2,526 | 0% | 251,300 | 390億9117万 | +7.67% |
| 10/30 | 2,527 | 2,528 | 2,526 | 2,526 | -0.04% | 256,200 | 390億9117万 | +9.07% |
| 10/29 | (IR情報)17:00 当社のSS事業に関する対談動画をIRTVにて配信しています |
| 10/29 | (IR情報)13:00 衛星 × AI × IoTによる「カキ筏の見える化」実現へ |
| 10/29 | 2,528 | 2,528 | 2,527 | 2,527 | -0.04% | 27,400 | 391億664万 | +10.59% |
| 10/28 | 2,528 | 2,529 | 2,527 | 2,528 | +0.04% | 160,000 | 391億2212万 | +12.16% |
| 10/27 | 2,529 | 2,529 | 2,527 | 2,527 | -0.04% | 105,300 | 391億664万 | +13.68% |
| 10/24 | 2,528 | 2,530 | 2,527 | 2,528 | +0.04% | 166,200 | 391億2212万 | +15.38% |
| 10/23 | 2,525 | 2,528 | 2,525 | 2,527 | +0.04% | 206,100 | 391億664万 | +17.1% |
| 10/22 | (5%ルール)ゴールドマン・サックス証券(0.05%)ゴールドマン・サックス・インターナショナル(Gol…(6.24%) |
| 10/22 | 2,525 | 2,526 | 2,525 | 2,526 | +0.04% | 144,100 | 390億9117万 | +18.7% |
| 10/21 | 2,526 | 2,526 | 2,525 | 2,525 | 0% | 141,100 | 390億7569万 | +20.35% |
| 10/20 | 2,526 | 2,527 | 2,525 | 2,525 | 0% | 225,900 | 390億7569万 | +22.16% |
| 10/17 | 2,525 | 2,527 | 2,524 | 2,525 | +0.04% | 265,100 | 390億7569万 | +24.08% |
| 10/16 | 2,525 | 2,526 | 2,524 | 2,524 | 0% | 277,800 | 390億6022万 | +26.01% |
| 10/15 | 2,525 | 2,526 | 2,524 | 2,524 | 0% | 392,500 | 390億6022万 | +28.06% |
| 10/14 | 2,525 | 2,526 | 2,523 | 2,524 | -0.08% | 811,300 | 390億6022万 | +30.17% |
| 10/10 | 2,526 | 2,528 | 2,526 | 2,526 | 0% | 278,200 | 390億9117万 | +32.46% |
| 10/09 | 2,528 | 2,529 | 2,526 | 2,526 | -0.08% | 702,000 | 390億9117万 | +34.72% |
| 10/08 | (IR情報)13:00 「統合報告書2025」発行のお知らせ |
| 10/08 | 2,526 | 2,529 | 2,525 | 2,528 | +0.04% | 586,900 | 391億2212万 | +37.09% |
| 10/07 | 2,528 | 2,531 | 2,526 | 2,527 | +0.08% | 802,400 | 391億664万 | +39.38% |
| 10/06 | (IR情報)13:00 経済産業省の「サプライチェーン強化に向けたセキュリティ対策評価制度」対策支援サービスを提供 |
| 10/06 | 2,549 | 2,549 | 2,523 | 2,525 | +23.23% | 2,127,700 | 390億7569万 | +41.62% |
| 10/03 | 2,049 | 2,049 | 2,049 | 2,049 | +24.26% | 30,300 | 317億934万 | +16.89% |
| 10/02 | (IR情報)17:45 OFI・01株式会社による当社株式に対する公開買付けに関する賛同の意見表明及び応募推奨のお知らせ |
| 10/02 | (IR情報)17:45 2026年3月期の期末配当予想の修正(無配)及び株主優待制度の廃止に関するお知らせ |
| 10/02 | 1,652 | 1,666 | 1,638 | 1,649 | +0.06% | 47,800 | 255億1913万 | -5.39% |
| 10/01 | 1,715 | 1,715 | 1,648 | 1,648 | -4.74% | 98,100 | 255億366万 | -5.77% |
| 09/30 | 1,763 | 1,763 | 1,704 | 1,730 | -2.26% | 85,800 | 267億7265万 | -1.42% |
| 09/29 | 1,774 | 1,789 | 1,754 | 1,770 | -1.56% | 88,400 | 273億9167万 | +0.68% |
| 09/26 | 1,788 | 1,799 | 1,774 | 1,798 | +0.5% | 151,700 | 278億2499万 | +2.22% |
| 09/19 | (IR情報)13:00 人事異動に関するお知らせ |