| 2024 |
| 09/20 | 428 | 429 | 428 | 428 | -0.23% | 1,800 | 26億8995万 | 0% |
| 09/19 | 428 | 429 | 428 | 429 | +0.23% | 4,900 | 26億9624万 | +0.23% |
| 09/18 | 429 | 429 | 428 | 428 | -0.47% | 2,100 | 26億8995万 | 0% |
| 09/17 | 428 | 430 | 428 | 430 | +0.23% | 18,400 | 27億252万 | +0.47% |
| 09/13 | 428 | 429 | 428 | 429 | +0.23% | 1,600 | 26億9624万 | +0.23% |
| 09/12 | 428 | 429 | 428 | 428 | 0% | 3,600 | 26億8995万 | 0% |
| 09/11 | 428 | 428 | 428 | 428 | 0% | 500 | 26億8995万 | 0% |
| 09/10 | 428 | 428 | 428 | 428 | 0% | 5,000 | 26億8995万 | 0% |
| 09/09 | 428 | 428 | 428 | 428 | 0% | 23,500 | 26億8995万 | 0% |
| 09/06 | 428 | 428 | 428 | 428 | 0% | 5,900 | 26億8995万 | 0% |
| 09/05 | （IR情報）15:00 株式併合、単元株式数の定めの廃止、定款一部変更並びに資本金、資本準備金及び利益準備金の額の減少に係る承認決議に関するお知らせ |
| 09/05 | 428 | 428 | 428 | 428 | -0.23% | 500 | 26億8995万 | 0% |
| 09/04 | 428 | 429 | 428 | 429 | 0% | 2,000 | 26億9624万 | +0.23% |
| 09/03 | 428 | 429 | 428 | 429 | 0% | 700 | 26億9624万 | +0.23% |
| 09/02 | 428 | 429 | 428 | 429 | +0.23% | 2,800 | 26億9624万 | +0.23% |
| 08/30 | 428 | 428 | 428 | 428 | 0% | 700 | 26億8995万 | 0% |
| 08/29 | 428 | 428 | 428 | 428 | 0% | 2,000 | 26億8995万 | 0% |
| 08/28 | 428 | 428 | 428 | 428 | 0% | 900 | 26億8995万 | 0% |
| 08/27 | 428 | 428 | 428 | 428 | 0% | 2,500 | 26億8995万 | 0% |
| 08/26 | 428 | 428 | 428 | 428 | 0% | 800 | 26億8995万 | 0% |
| 08/23 | 429 | 429 | 428 | 428 | 0% | 6,300 | 26億8995万 | 0% |
| 08/22 | 428 | 428 | 428 | 428 | 0% | 100 | 26億8995万 | 0% |
| 08/21 | 428 | 428 | 428 | 428 | 0% | 1,300 | 26億8995万 | 0% |
| 08/20 | 428 | 429 | 428 | 428 | 0% | 500 | 26億8995万 | 0% |
| 08/19 | 428 | 428 | 428 | 428 | 0% | 1,200 | 26億8995万 | 0% |
| 08/16 | 428 | 428 | 428 | 428 | 0% | 800 | 26億8995万 | 0% |
| 08/15 | 428 | 428 | 428 | 428 | 0% | 200 | 26億8995万 | 0% |
| 08/14 | 428 | 428 | 428 | 428 | 0% | 1,100 | 26億8995万 | 0% |
| 08/13 | 428 | 428 | 428 | 428 | 0% | 1,000 | 26億8995万 | 0% |
| 08/09 | 428 | 428 | 428 | 428 | 0% | 200 | 26億8995万 | 0% |
| 08/08 | 429 | 429 | 428 | 428 | -0.23% | 1,500 | 26億8995万 | 0% |
| 08/07 | 428 | 429 | 428 | 429 | +0.23% | 13,400 | 26億9624万 | +0.23% |
| 08/06 | （IR情報）15:30 2025年3月期第1四半期決算短信〔日本基準〕(非連結) |
| 08/06 | 428 | 428 | 428 | 428 | +0.23% | 1,500 | 26億8995万 | 0% |
| 08/05 | 428 | 428 | 427 | 427 | -0.23% | 8,400 | 26億8367万 | -0.23% |
| 08/02 | 428 | 429 | 428 | 428 | -0.23% | 22,700 | 26億8995万 | 0% |
| 08/01 | 428 | 429 | 428 | 429 | +0.23% | 1,900 | 26億9624万 | +0.23% |
| 07/31 | 428 | 428 | 428 | 428 | 0% | 1,400 | 26億8995万 | 0% |
| 07/30 | 428 | 428 | 428 | 428 | 0% | 2,000 | 26億8995万 | 0% |
| 07/29 | （IR情報）15:00 自己株式の消却に関するお知らせ |
| 07/29 | （IR情報）15:00 株式併合、単元株式数の定めの廃止、定款一部変更並びに資本金、資本準備金及び利益準備金の額の減少に関するお知らせ |
| 07/29 | 428 | 428 | 428 | 428 | 0% | 4,100 | 26億8995万 | 0% |
| 07/26 | 429 | 429 | 428 | 428 | 0% | 1,200 | 26億8995万 | 0% |
| 07/25 | 428 | 428 | 428 | 428 | 0% | 100 | 26億8995万 | 0% |
| 07/24 | 428 | 428 | 428 | 428 | 0% | 1,600 | 26億8995万 | 0% |
| 07/23 | 428 | 428 | 428 | 428 | 0% | 3,400 | 26億8995万 | 0% |
| 07/22 | 428 | 428 | 428 | 428 | 0% | 1,300 | 26億8995万 | 0% |
| 07/19 | 428 | 429 | 428 | 428 | 0% | 700 | 26億8995万 | 0% |
| 07/18 | 428 | 429 | 428 | 428 | 0% | 4,900 | 26億8995万 | 0% |
| 07/17 | 428 | 428 | 428 | 428 | 0% | 500 | 26億8995万 | 0% |
| 07/16 | 428 | 428 | 428 | 428 | 0% | 2,900 | 26億8995万 | 0% |
| 07/12 | 428 | 428 | 428 | 428 | 0% | 3,300 | 26億8995万 | 0% |
| 07/11 | 428 | 428 | 428 | 428 | -0.23% | 6,300 | 26億8995万 | 0% |
| 07/10 | 428 | 429 | 428 | 429 | +0.23% | 3,400 | 26億9624万 | +0.23% |
| 07/09 | 428 | 428 | 428 | 428 | 0% | 4,900 | 26億8995万 | 0% |
| 07/08 | 428 | 428 | 428 | 428 | -0.23% | 2,200 | 26億8995万 | 0% |
| 07/05 | （5%ルール）みずほ証券（0.53%） |
| 07/05 | 428 | 429 | 428 | 429 | +0.23% | 1,300 | 26億9624万 | +0.23% |
| 07/04 | 429 | 429 | 428 | 428 | 0% | 1,100 | 26億8995万 | 0% |
| 07/03 | （5%ルール）楽天証券（0.1%） |
| 07/03 | 429 | 429 | 428 | 428 | 0% | 1,400 | 26億8995万 | -0.23% |
| 07/02 | 428 | 428 | 428 | 428 | 0% | 500 | 26億8995万 | -0.23% |
| 07/01 | （IR情報）15:00 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 |
| 07/01 | 428 | 428 | 428 | 428 | 0% | 10,400 | 26億8995万 | -0.23% |
| 06/28 | 428 | 428 | 428 | 428 | +0.23% | 20,900 | 26億8995万 | -0.23% |
| 06/27 | 428 | 428 | 427 | 427 | 0% | 23,300 | 26億8367万 | -0.47% |
| 06/26 | （IR情報）15:00 公益財団法人財務会計基準機構への加入状況及び加入に関する考え方等に関するお知らせ |
| 06/26 | （IR情報）15:00 支配株主等に関する事項について |
| 06/26 | 427 | 427 | 427 | 427 | 0% | 2,300 | 26億8367万 | -0.47% |
| 06/25 | （5%ルール）図研（86.62%） |
| 06/25 | （IR情報）13:00 支配株主である株式会社図研による当社株式に対する公開買付けの結果に関するお知らせ |
| 06/25 | 427 | 428 | 427 | 427 | 0% | 5,800 | 26億8367万 | -0.47% |
| 06/24 | 427 | 428 | 427 | 427 | 0% | 14,500 | 26億8367万 | -0.47% |
| 06/21 | （5%ルール）みずほ証券（7.59%） |
| 06/21 | 428 | 429 | 427 | 427 | -0.7% | 15,700 | 26億8367万 | -0.47% |
| 06/20 | 428 | 430 | 428 | 430 | +0.47% | 74,900 | 27億252万 | +0.23% |
| 06/19 | 429 | 429 | 428 | 428 | -0.23% | 36,200 | 26億8995万 | -0.23% |
| 06/18 | 429 | 429 | 429 | 429 | 0% | 42,800 | 26億9624万 | 0% |
| 06/17 | 429 | 429 | 429 | 429 | 0% | 22,800 | 26億9624万 | +0.23% |
| 06/14 | 429 | 429 | 429 | 429 | 0% | 18,600 | 26億9624万 | +1.18% |
| 06/13 | 430 | 430 | 429 | 429 | 0% | 83,800 | 26億9624万 | +2.14% |
| 06/12 | 429 | 430 | 429 | 429 | 0% | 24,700 | 26億9624万 | +3.13% |
| 06/11 | 429 | 429 | 429 | 429 | 0% | 18,300 | 26億9624万 | +4.38% |
| 06/10 | 429 | 430 | 429 | 429 | -0.23% | 15,900 | 26億9624万 | +5.41% |
| 06/07 | （5%ルール）みずほ証券（6.53%） |
| 06/07 | 429 | 430 | 429 | 430 | +0.23% | 57,200 | 27億252万 | +6.7% |
| 06/06 | 430 | 430 | 429 | 429 | 0% | 36,200 | 26億9624万 | +7.52% |
| 06/05 | （5%ルール）楽天証券（5.42%） |
| 06/05 | 430 | 430 | 429 | 429 | 0% | 77,600 | 26億9624万 | +8.88% |
| 06/04 | 429 | 430 | 429 | 429 | 0% | 58,600 | 26億9624万 | +10% |
| 06/03 | 429 | 429 | 429 | 429 | -0.23% | 32,600 | 26億9624万 | +11.14% |
| 05/31 | 429 | 430 | 429 | 430 | +0.23% | 78,700 | 27億252万 | +12.57% |
| 05/30 | 429 | 429 | 429 | 429 | +0.23% | 49,200 | 26億9624万 | +13.79% |
| 05/29 | 429 | 429 | 428 | 428 | -0.23% | 101,400 | 26億8995万 | +14.75% |
| 05/28 | 429 | 430 | 428 | 429 | 0% | 108,200 | 26億9624万 | +16.58% |
| 05/27 | 429 | 429 | 428 | 429 | 0% | 217,800 | 26億9624万 | +17.86% |
| 05/24 | 429 | 429 | 428 | 429 | -0.23% | 325,700 | 26億9624万 | +19.5% |
| 05/23 | 429 | 430 | 429 | 430 | +0.23% | 26,600 | 27億252万 | +21.13% |
| 05/22 | 429 | 429 | 429 | 429 | 0% | 42,500 | 26億9624万 | +22.57% |
| 05/21 | 429 | 430 | 429 | 429 | -0.23% | 62,700 | 26億9624万 | +23.99% |
| 05/20 | 430 | 430 | 429 | 430 | +0.23% | 74,700 | 27億252万 | +25.73% |
| 05/17 | 429 | 430 | 429 | 429 | 0% | 75,700 | 26億9624万 | +26.92% |
| 05/16 | 429 | 430 | 429 | 429 | 0% | 182,500 | 26億9624万 | +28.83% |
| 05/15 | 429 | 430 | 429 | 429 | +5.67% | 604,100 | 26億9624万 | +30.4% |
| 05/14 | 406 | 406 | 406 | 406 | +24.54% | 16,500 | 25億5168万 | +25.31% |
| 05/13 | （IR情報）15:00 支配株主である株式会社図研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に関するお知らせ |
| 05/13 | （IR情報）15:00 剰余金の配当に関するお知らせ |
| 05/13 | （IR情報）15:00 2024年3月期決算短信〔日本基準〕(非連結) |
| 05/13 | 322 | 331 | 322 | 326 | +0.93% | 31,400 | 20億4889万 | +1.88% |
| 05/10 | 326 | 326 | 323 | 323 | -0.31% | 3,700 | 20億3003万 | +0.94% |
| 05/09 | 323 | 324 | 321 | 324 | 0% | 2,500 | 20億3632万 | +1.25% |
| 05/08 | 326 | 326 | 322 | 324 | -0.31% | 5,000 | 20億3632万 | +1.25% |
| 05/07 | 326 | 327 | 323 | 325 | +0.93% | 8,100 | 20億4260万 | +0.93% |
| 05/02 | 321 | 324 | 321 | 322 | 0% | 4,400 | 20億2375万 | -0.31% |
| 05/01 | 321 | 325 | 321 | 322 | -0.31% | 2,100 | 20億2375万 | -0.62% |
| 04/30 | 324 | 324 | 318 | 323 | +0.31% | 6,100 | 20億3003万 | -0.62% |
| 04/26 | 317 | 325 | 316 | 322 | +0.63% | 2,700 | 20億2375万 | -1.23% |
