| 2025 |
| 07/25 | 207 | 207 | 206 | 207 | +0.49% | 1,271,100 | 77億3590万 | +0.49% |
| 07/24 | 207 | 207 | 206 | 206 | -0.48% | 54,100 | 76億9852万 | 0% |
| 07/23 | 207 | 207 | 206 | 207 | +0.49% | 18,000 | 77億3590万 | +0.49% |
| 07/22 | 206 | 207 | 206 | 206 | -0.48% | 52,600 | 76億9852万 | 0% |
| 07/18 | 207 | 207 | 206 | 207 | -0.48% | 48,100 | 77億3590万 | +0.49% |
| 07/17 | 207 | 208 | 206 | 208 | +0.97% | 180,700 | 77億7327万 | +1.46% |
| 07/16 | 206 | 207 | 206 | 206 | 0% | 10,400 | 76億9852万 | +0.49% |
| 07/15 | 206 | 207 | 206 | 206 | 0% | 67,300 | 76億9852万 | +0.49% |
| 07/14 | 206 | 207 | 206 | 206 | -0.48% | 17,900 | 76億9852万 | +0.49% |
| 07/11 | 206 | 207 | 206 | 207 | +0.49% | 17,400 | 77億3590万 | +0.98% |
| 07/10 | 206 | 207 | 206 | 206 | 0% | 16,800 | 76億9852万 | +0.49% |
| 07/09 | 206 | 207 | 206 | 206 | 0% | 8,900 | 76億9852万 | +0.49% |
| 07/08 | 206 | 206 | 205 | 206 | +0.49% | 211,000 | 76億9852万 | +0.49% |
| 07/07 | 205 | 206 | 205 | 205 | 0% | 39,500 | 76億6115万 | 0% |
| 07/04 | 205 | 205 | 205 | 205 | 0% | 25,100 | 76億6115万 | 0% |
| 07/03 | 205 | 205 | 205 | 205 | 0% | 33,300 | 76億6115万 | 0% |
| 07/02 | 205 | 206 | 205 | 205 | 0% | 38,900 | 76億6115万 | +0.49% |
| 07/01 | 205 | 206 | 205 | 205 | 0% | 72,400 | 76億6115万 | +0.49% |
| 06/30 | (IR情報)16:00 上場維持基準への適合に向けた計画について |
| 06/30 | (IR情報)16:00 支配株主等に関する事項について |
| 06/30 | 205 | 205 | 205 | 205 | 0% | 95,600 | 76億6115万 | +0.49% |
| 06/27 | 205 | 206 | 205 | 205 | 0% | 144,600 | 76億6115万 | +0.49% |
| 06/26 | 205 | 206 | 205 | 205 | 0% | 166,200 | 76億6115万 | +0.49% |
| 06/25 | (IR情報)16:00 株式併合及び定款の一部変更に係る承認決議に関するお知らせ |
| 06/25 | 205 | 205 | 205 | 205 | 0% | 10,500 | 76億6115万 | +0.49% |
| 06/24 | 205 | 206 | 205 | 205 | 0% | 28,400 | 76億6115万 | +0.49% |
| 06/23 | 205 | 205 | 205 | 205 | 0% | 24,400 | 76億6115万 | +0.49% |
| 06/20 | 205 | 205 | 205 | 205 | 0% | 35,800 | 76億6115万 | +0.49% |
| 06/19 | 205 | 205 | 205 | 205 | 0% | 15,300 | 76億6115万 | +0.49% |
| 06/18 | 205 | 205 | 205 | 205 | 0% | 29,300 | 76億6115万 | +0.49% |
| 06/17 | 205 | 206 | 205 | 205 | 0% | 71,800 | 76億6115万 | +0.49% |
| 06/16 | 205 | 206 | 205 | 205 | 0% | 34,500 | 76億6115万 | +1.49% |
| 06/13 | 205 | 206 | 205 | 205 | 0% | 20,500 | 76億6115万 | +2.5% |
| 06/12 | 205 | 206 | 205 | 205 | -0.49% | 53,400 | 76億6115万 | +3.54% |
| 06/11 | 205 | 206 | 204 | 206 | 0% | 385,300 | 76億9852万 | +5.1% |
| 06/10 | 204 | 206 | 204 | 206 | +0.98% | 94,900 | 76億9852万 | +6.19% |
| 06/09 | 203 | 205 | 203 | 204 | +0.49% | 107,500 | 76億2378万 | +6.25% |
| 06/06 | (IR情報)16:00 インプレスと丸善CHIホールディングスが技術書籍読み放題サービスの企画運営を目的とした合弁会社テックリブを設立 |
| 06/06 | 203 | 203 | 203 | 203 | 0% | 22,700 | 75億8641万 | +6.84% |
| 06/05 | 203 | 203 | 203 | 203 | 0% | 13,000 | 75億8641万 | +7.41% |
| 06/04 | 203 | 204 | 203 | 203 | 0% | 16,600 | 75億8641万 | +8.56% |
| 06/03 | 203 | 204 | 203 | 203 | 0% | 12,500 | 75億8641万 | +9.14% |
| 06/02 | 203 | 203 | 203 | 203 | 0% | 14,900 | 75億8641万 | +10.33% |
| 05/30 | 203 | 204 | 203 | 203 | 0% | 26,900 | 75億8641万 | +11.54% |
| 05/29 | 203 | 204 | 203 | 203 | 0% | 308,200 | 75億8641万 | +12.78% |
| 05/28 | 203 | 203 | 203 | 203 | 0% | 20,300 | 75億8641万 | +13.41% |
| 05/27 | 203 | 204 | 203 | 203 | -0.49% | 105,300 | 75億8641万 | +14.69% |
| 05/26 | 203 | 204 | 203 | 204 | +0.49% | 53,100 | 76億2378万 | +15.91% |
| 05/23 | 204 | 204 | 203 | 203 | 0% | 16,400 | 75億8641万 | +16% |
| 05/22 | 204 | 204 | 203 | 203 | 0% | 77,700 | 75億8641万 | +16.67% |
| 05/21 | 203 | 204 | 203 | 203 | 0% | 32,100 | 75億8641万 | +18.02% |
| 05/20 | 203 | 203 | 203 | 203 | 0% | 31,300 | 75億8641万 | +19.41% |
| 05/19 | 203 | 204 | 203 | 203 | 0% | 170,400 | 75億8641万 | +20.83% |
| 05/16 | 203 | 204 | 203 | 203 | 0% | 89,600 | 75億8641万 | +22.29% |
| 05/15 | 202 | 204 | 202 | 203 | +0.5% | 556,400 | 75億8641万 | +23.78% |
| 05/14 | 202 | 206 | 201 | 202 | +26.25% | 2,380,500 | 75億4904万 | +25.47% |
| 05/13 | (IR情報)16:00 2025年3月期決算短信〔日本基準〕(連結) |
| 05/13 | (IR情報)16:00 2025年3月期決算補足説明資料 |
| 05/13 | (IR情報)16:00 株式併合、単元株式数の定めの廃止及び定款の一部変更に関するお知らせ |
| 05/13 | (IR情報)16:00 資本金の額の減少(減資)に関するお知らせ |
| 05/13 | (IR情報)16:00 自己株式の消却に関するお知らせ |
| 05/13 | (IR情報)16:00 2025年3月期通期連結業績予想と実績値との差異に関するお知らせ |
| 05/13 | 160 | 161 | 158 | 160 | +0.63% | 82,000 | 59億7944万 | +0.63% |
| 05/12 | 159 | 160 | 158 | 159 | 0% | 17,100 | 59億4206万 | +0.63% |
| 05/09 | 157 | 160 | 156 | 159 | +1.27% | 14,500 | 59億4206万 | +0.63% |
| 05/08 | 157 | 158 | 156 | 157 | 0% | 20,100 | 58億6732万 | 0% |
| 05/07 | 156 | 157 | 155 | 157 | +0.64% | 39,700 | 58億6732万 | 0% |
| 05/02 | 159 | 159 | 155 | 156 | -2.5% | 47,700 | 58億2995万 | -0.64% |
| 05/01 | 159 | 161 | 159 | 160 | -0.62% | 49,800 | 59億7944万 | +1.91% |
| 04/30 | 162 | 162 | 159 | 161 | -0.62% | 27,300 | 60億1681万 | +3.21% |
| 04/28 | 162 | 170 | 158 | 162 | -0.61% | 365,200 | 60億5418万 | +3.85% |
| 04/25 | 161 | 163 | 160 | 163 | +0.62% | 28,900 | 60億9155万 | +4.49% |
| 04/24 | 163 | 163 | 160 | 162 | +0.62% | 19,500 | 60億5418万 | +4.52% |
| 04/23 | 160 | 162 | 159 | 161 | +2.55% | 39,900 | 60億1681万 | +3.87% |
| 04/22 | 164 | 170 | 153 | 157 | -3.09% | 444,800 | 58億6732万 | +1.95% |
| 04/21 | 169 | 169 | 161 | 162 | -4.71% | 85,100 | 60億5418万 | +5.19% |
| 04/18 | 172 | 172 | 169 | 170 | -0.58% | 50,300 | 63億5315万 | +11.11% |
| 04/17 | 172 | 177 | 171 | 171 | -3.39% | 70,400 | 63億9052万 | +11.76% |
| 04/16 | 170 | 178 | 167 | 177 | +4.73% | 323,000 | 66億1475万 | +16.45% |
| 04/15 | 156 | 171 | 152 | 169 | +8.33% | 1,686,300 | 63億1578万 | +11.92% |
| 04/14 | 156 | 158 | 156 | 156 | 0% | 27,200 | 58億2995万 | +4% |
| 04/11 | 150 | 156 | 150 | 156 | +1.96% | 26,800 | 58億2995万 | +4% |
| 04/10 | 155 | 156 | 151 | 153 | 0% | 26,600 | 57億1783万 | +2% |
| 04/09 | 152 | 161 | 151 | 153 | -1.29% | 131,800 | 57億1783万 | +2.68% |
| 04/08 | 138 | 155 | 138 | 155 | +13.14% | 831,200 | 57億9258万 | +4.03% |
| 04/07 | 138 | 138 | 135 | 137 | -3.52% | 47,600 | 51億1989万 | -8.05% |
| 04/04 | 144 | 144 | 139 | 142 | -2.07% | 58,000 | 53億675万 | -4.7% |
| 04/03 | 145 | 147 | 144 | 145 | -2.03% | 26,200 | 54億1886万 | -3.33% |
| 04/02 | 147 | 148 | 145 | 148 | +0.68% | 22,300 | 55億3098万 | -1.33% |
| 04/01 | 150 | 156 | 142 | 147 | -2% | 1,244,800 | 54億9361万 | -2% |
| 03/31 | 149 | 150 | 149 | 150 | 0% | 7,100 | 56億572万 | 0% |
| 03/28 | 149 | 150 | 149 | 150 | -0.66% | 13,600 | 56億572万 | 0% |
| 03/27 | 154 | 154 | 151 | 151 | -1.95% | 20,600 | 56億4309万 | +0.67% |
| 03/26 | 152 | 155 | 151 | 154 | +1.32% | 28,900 | 57億5521万 | +2.67% |
| 03/25 | 152 | 152 | 151 | 152 | 0% | 6,200 | 56億8046万 | +1.33% |
| 03/24 | 150 | 152 | 150 | 152 | +1.33% | 13,300 | 56億8046万 | +1.33% |
| 03/21 | 150 | 151 | 149 | 150 | -0.66% | 14,200 | 56億572万 | 0% |
| 03/19 | 150 | 151 | 149 | 151 | +1.34% | 7,400 | 56億4309万 | +0.67% |
| 03/18 | 150 | 150 | 149 | 149 | -0.67% | 8,000 | 55億6835万 | -0.67% |
| 03/17 | 149 | 150 | 149 | 150 | +0.67% | 7,300 | 56億572万 | 0% |
| 03/14 | 150 | 151 | 149 | 149 | -0.67% | 19,900 | 55億6835万 | -0.67% |
| 03/13 | 151 | 152 | 150 | 150 | -0.66% | 9,600 | 56億572万 | 0% |
| 03/12 | 149 | 151 | 149 | 151 | +1.34% | 7,800 | 56億4309万 | +0.67% |
| 03/11 | 149 | 149 | 148 | 149 | 0% | 4,000 | 55億6835万 | -0.67% |
| 03/10 | 150 | 151 | 148 | 149 | 0% | 22,100 | 55億6835万 | -0.67% |
| 03/07 | 150 | 151 | 149 | 149 | -1.97% | 7,500 | 55億6835万 | 0% |
| 03/06 | 147 | 152 | 147 | 152 | +3.4% | 25,400 | 56億8046万 | +1.33% |
| 03/05 | 147 | 147 | 146 | 147 | 0% | 23,500 | 54億9361万 | -1.34% |
| 03/04 | 148 | 148 | 147 | 147 | -0.68% | 7,500 | 54億9361万 | -1.34% |
| 03/03 | 149 | 149 | 148 | 148 | -0.67% | 15,900 | 55億3098万 | -0.67% |