| 2026 |
| 08/24 | 2,440 | 2,460 | 2,411 | 2,415 | -1.02% | 76,900 | 379億3957万 | +6.2% |
| 08/21 | 2,434 | 2,445 | 2,403 | 2,440 | -0.16% | 74,100 | 383億3232万 | +7.77% |
| 08/20 | 2,435 | 2,450 | 2,405 | 2,444 | +1.37% | 90,500 | 383億9516万 | +8.48% |
| 08/20 | (空売り報告)Citigroup Global Markets Limited 92,150株(0.58%)-0.06% |
| 08/19 | 2,554 | 2,554 | 2,403 | 2,411 | -6.11% | 209,800 | 378億7673万 | +7.59% |
| 08/19 | (空売り報告)Citigroup Global Markets Limited 100,950株(0.64%)-0.13% |
| 08/19 | (空売り報告)Barclays Capital Securities Ltd 134,200株(0.85%)+0.16% |
| 08/18 | (IR情報)14:00 株式会社プロネクサス主催 個人投資家向けIRオンラインセミナー アーカイブ動画公開のお知らせ |
| 08/18 | 2,459 | 2,595 | 2,458 | 2,568 | +4.48% | 220,800 | 403億4319万 | +15.26% |
| 08/17 | (IR情報)15:00 連結子会社からの配当金受領に関するお知らせ |
| 08/17 | 2,450 | 2,525 | 2,434 | 2,458 | +1.11% | 194,300 | 386億1510万 | +11.27% |
| 08/17 | (空売り報告)Citigroup Global Markets Limited 121,250株(0.77%)-0.06% |
| 08/14 | 2,363 | 2,431 | 2,354 | 2,431 | +2.88% | 127,400 | 381億9093万 | +10.75% |
| 08/14 | (空売り報告)Citigroup Global Markets Limited 131,850株(0.83%)-0.11% |
| 08/14 | (空売り報告)Barclays Capital Securities Ltd 108,700株(0.69%)-0.02% |
| 08/13 | 2,335 | 2,363 | 2,329 | 2,363 | +1.63% | 66,300 | 371億2265万 | +8.25% |
| 08/13 | (空売り報告)Citigroup Global Markets Limited 147,750株(0.94%)-0.06% |
| 08/12 | 2,330 | 2,342 | 2,309 | 2,325 | +0.74% | 65,500 | 365億2567万 | +6.9% |
| 08/12 | (空売り報告)Barclays Capital Securities Ltd 113,100株(0.71%)+0.11% |
| 08/10 | 2,325 | 2,379 | 2,301 | 2,308 | +1.01% | 122,200 | 362億5860万 | +6.41% |
| 08/07 | 2,307 | 2,364 | 2,262 | 2,285 | -0.95% | 98,000 | 358億9727万 | +5.54% |
| 08/07 | (空売り報告)UBS AG 74,900株(0.47%)-0.04%義務消失 |
| 08/06 | (IR情報)15:00 2027年3月期第1四半期決算説明資料 |
| 08/06 | (IR情報)15:00 2027年3月期第2四半期業績予想の修正に関するお知らせ |
| 08/06 | (IR情報)15:00 2027年3月期第1四半期決算短信〔日本基準〕(連結) |
| 08/06 | 2,268 | 2,337 | 2,200 | 2,307 | +1.67% | 130,200 | 362億4289万 | +6.81% |
| 08/06 | (空売り報告)Barclays Capital Securities Ltd 94,600株(0.6%)+0.01% |
| 08/05 | (IR情報)14:00 三菱長崎機工、UACJ向け大型リングローリングミルを受注 |
| 08/05 | 2,206 | 2,274 | 2,203 | 2,269 | +4.27% | 108,000 | 356億4591万 | +5.39% |
| 08/05 | (空売り報告)Barclays Capital Securities Ltd 93,500株(0.59%)-0.04% |
| 08/04 | 2,148 | 2,196 | 2,135 | 2,176 | +0.37% | 55,700 | 341億8489万 | +1.3% |
| 08/03 | 2,157 | 2,180 | 2,096 | 2,168 | -0.55% | 90,900 | 340億5921万 | +0.84% |
| 07/31 | 2,157 | 2,196 | 2,119 | 2,180 | +2.01% | 88,900 | 342億4773万 | +1.4% |
| 07/30 | 2,105 | 2,159 | 2,085 | 2,137 | +0.85% | 88,700 | 335億7220万 | -0.7% |
| 07/29 | 2,135 | 2,140 | 2,078 | 2,119 | -0.24% | 127,600 | 332億8942万 | -1.67% |
| 07/28 | 2,198 | 2,198 | 2,109 | 2,124 | -2.84% | 76,200 | 333億6797万 | -1.67% |
| 07/28 | (空売り報告)Barclays Capital Securities Ltd 100,200株(0.63%)+0.05% |
| 07/27 | 2,197 | 2,215 | 2,159 | 2,186 | +0.41% | 46,900 | 343億4199万 | +0.64% |
| 07/27 | (空売り報告)Citigroup Global Markets Limited 157,150株(1%)+0.01% |
| 07/24 | 2,169 | 2,182 | 2,155 | 2,177 | -0.27% | 34,800 | 342億60万 | -0.05% |
| 07/23 | 2,165 | 2,193 | 2,159 | 2,183 | +1.63% | 42,300 | 342億9486万 | 0% |
| 07/22 | 2,157 | 2,184 | 2,147 | 2,148 | +0.42% | 36,400 | 337億4501万 | -1.51% |
| 07/21 | 2,102 | 2,155 | 2,101 | 2,139 | +1.81% | 60,900 | 336億362万 | -1.97% |
| 07/21 | (空売り報告)Barclays Capital Securities Ltd 92,500株(0.58%)-0.03% |
| 07/17 | 2,145 | 2,147 | 2,055 | 2,101 | -2.14% | 98,300 | 330億664万 | -3.8% |
| 07/17 | (空売り報告)Barclays Capital Securities Ltd 96,300株(0.61%)+0.11% |
| 07/16 | 2,156 | 2,181 | 2,145 | 2,147 | -1.56% | 40,100 | 337億2930万 | -1.78% |
| 07/15 | 2,170 | 2,200 | 2,146 | 2,181 | +1.77% | 53,300 | 342億6344万 | -0.14% |
| 07/15 | (空売り報告)Barclays Capital Securities Ltd 80,100株(0.5%)再IN |
| 07/14 | 2,109 | 2,155 | 2,088 | 2,143 | +3.43% | 80,400 | 336億6646万 | -1.74% |
| 07/14 | (空売り報告)UBS AG 80,600株(0.51%)再IN |
| 07/14 | (空売り報告)Barclays Capital Securities Ltd 77,355株(0.49%)-0.02%義務消失 |
| 07/13 | 2,137 | 2,144 | 2,059 | 2,072 | -1.66% | 57,700 | 325億5105万 | -4.91% |
| 07/13 | (空売り報告)Barclays Capital Securities Ltd 81,273株(0.51%)再IN |
| 07/10 | 2,114 | 2,133 | 2,107 | 2,107 | +0.43% | 56,400 | 331億90万 | -3.35% |
| 07/10 | (空売り報告)Citigroup Global Markets Limited 156,450株(0.99%)-0.04% |
| 07/09 | 2,122 | 2,138 | 2,091 | 2,098 | -1.13% | 48,900 | 329億5951万 | -3.85% |
| 07/09 | (空売り報告)UBS AG 77,500株(0.49%)-0.01%義務消失 |
| 07/08 | 2,158 | 2,171 | 2,120 | 2,122 | -2.21% | 84,400 | 333億3655万 | -2.75% |
| 07/08 | (空売り報告)UBS AG 78,700株(0.5%)再IN |
| 07/07 | 2,208 | 2,230 | 2,170 | 2,170 | -0.82% | 56,700 | 340億9063万 | -0.5% |
| 07/06 | 2,211 | 2,244 | 2,183 | 2,188 | -0.91% | 59,200 | 343億7340万 | +0.51% |
| 07/03 | 2,169 | 2,208 | 2,151 | 2,208 | +2.89% | 65,600 | 346億8760万 | +1.56% |
| 07/02 | 2,117 | 2,170 | 2,111 | 2,146 | +0.28% | 89,300 | 337億1359万 | -1.2% |
| 07/01 | 2,152 | 2,170 | 2,140 | 2,140 | -0.56% | 57,600 | 336億1933万 | -1.47% |
| 07/01 | (空売り報告)UBS AG 77,616株(0.49%)-0.01%義務消失 |
| 06/30 | 2,180 | 2,197 | 2,128 | 2,152 | -2.54% | 104,400 | 338億785万 | -0.92% |
| 06/30 | (空売り報告)UBS AG 78,816株(0.5%)再IN |
| 06/29 | 2,200 | 2,224 | 2,158 | 2,208 | +1.42% | 88,100 | 346億8760万 | +1.75% |
| 06/26 | 2,228 | 2,230 | 2,158 | 2,177 | -1.8% | 66,600 | 342億60万 | +0.46% |
| 06/25 | 2,250 | 2,262 | 2,217 | 2,217 | +0.09% | 61,500 | 348億2899万 | +2.35% |
| 06/24 | 2,258 | 2,292 | 2,202 | 2,215 | -1.9% | 82,700 | 347億9757万 | +2.5% |
| 06/23 | 2,430 | 2,430 | 2,257 | 2,258 | -6.89% | 153,500 | 354億7310万 | +4.88% |
| 06/23 | (空売り報告)Citigroup Global Markets Limited 162,950株(1.03%)+0.04% |
| 06/22 | 2,333 | 2,425 | 2,315 | 2,425 | +4.03% | 125,100 | 380億9667万 | +13% |
| 06/19 | 2,301 | 2,347 | 2,287 | 2,331 | +1.88% | 126,600 | 366億1993万 | +9.33% |
| 06/18 | 2,169 | 2,292 | 2,167 | 2,288 | +6.87% | 133,800 | 359億4440万 | +7.67% |
| 06/17 | 2,162 | 2,185 | 2,141 | 2,141 | -1.38% | 28,900 | 336億3504万 | +1.13% |
| 06/16 | 2,200 | 2,207 | 2,162 | 2,171 | -1.14% | 35,300 | 341億634万 | +2.89% |
| 06/16 | (空売り報告)Citigroup Global Markets Limited 156,850株(0.99%)-0.01% |
| 06/15 | 2,175 | 2,215 | 2,169 | 2,196 | +2.66% | 67,300 | 344億9908万 | +4.67% |
| 06/12 | 2,133 | 2,188 | 2,130 | 2,139 | +1.33% | 83,400 | 336億362万 | +2.54% |
| 06/11 | 2,100 | 2,111 | 2,041 | 2,111 | +0.19% | 58,300 | 331億6374万 | +1.83% |
| 06/10 | 2,089 | 2,123 | 2,072 | 2,107 | +0.86% | 71,500 | 331億90万 | +2.13% |
| 06/09 | 2,150 | 2,190 | 2,076 | 2,089 | -0.67% | 87,200 | 328億1812万 | +1.85% |
| 06/08 | 2,100 | 2,111 | 2,037 | 2,103 | -2.19% | 113,000 | 330億3806万 | +3.14% |
| 06/05 | 2,120 | 2,157 | 2,115 | 2,150 | +2.23% | 77,300 | 337億7643万 | +6.02% |
| 06/04 | 2,060 | 2,117 | 2,044 | 2,103 | +0.96% | 98,900 | 330億3806万 | +4.42% |
| 06/03 | 2,099 | 2,137 | 2,079 | 2,083 | +0.34% | 100,300 | 327億2386万 | +4.1% |
| 06/03 | (空売り報告)Citigroup Global Markets Limited 157,250株(1%)+0.03% |
| 06/02 | 2,088 | 2,115 | 2,042 | 2,076 | -2.4% | 100,600 | 326億1389万 | +4.32% |
| 06/01 | 2,137 | 2,152 | 2,077 | 2,127 | -1.39% | 120,500 | 334億1510万 | +7.48% |
| 05/29 | 2,128 | 2,195 | 2,128 | 2,157 | +1.46% | 103,400 | 338億8640万 | +9.66% |
| 05/28 | 2,122 | 2,142 | 2,094 | 2,126 | -0.79% | 113,800 | 333億9939万 | +8.75% |
| 05/27 | 2,115 | 2,170 | 2,115 | 2,143 | +1.37% | 154,200 | 336億6646万 | +10.35% |
| 05/26 | 2,111 | 2,138 | 2,110 | 2,114 | -0.98% | 75,700 | 332億1087万 | +9.53% |
| 05/25 | 2,155 | 2,169 | 2,102 | 2,135 | -0.42% | 108,500 | 335億4078万 | +11.26% |
| 05/25 | (空売り報告)Citigroup Global Markets Limited 153,050株(0.97%)+0.08% |
| 05/25 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 69,798株(0.44%)-0.13%義務消失 |
| 05/22 | 2,110 | 2,158 | 2,104 | 2,144 | +1.85% | 101,500 | 336億8217万 | +12.49% |
| 05/21 | (IR情報)14:00 2026年3月期 決算および中期経営計画説明会「ログミーFinance書き起こし」公開のお知らせ |
| 05/21 | 2,048 | 2,122 | 2,047 | 2,105 | +4.47% | 133,600 | 330億6948万 | +11.26% |
| 05/20 | 2,061 | 2,061 | 1,993 | 2,015 | -3.26% | 105,200 | 316億5558万 | +7.24% |
| 05/20 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 90,898株(0.57%)-0.07% |
| 05/19 | 2,080 | 2,094 | 2,061 | 2,083 | +1.46% | 118,500 | 327億2386万 | +11.33% |
| 05/18 | 2,145 | 2,145 | 2,037 | 2,053 | -5.35% | 205,100 | 322億5256万 | +10.32% |
| 05/18 | (空売り報告)Citigroup Global Markets Limited 140,350株(0.89%)-0.08% |
| 05/18 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 101,898株(0.64%)-0.12% |
| 05/15 | 2,074 | 2,210 | 2,054 | 2,169 | +4.58% | 370,700 | 340億7492万 | +17.12% |
| 05/15 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 120,798株(0.76%)-0.21% |
| 05/14 | 2,020 | 2,077 | 1,994 | 2,074 | +4.75% | 335,400 | 325億8247万 | +12.9% |
| 05/14 | (空売り報告)Citigroup Global Markets Limited 153,950株(0.97%)-0.03% |
| 05/14 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 153,598株(0.97%)-0.22% |
| 05/13 | (IR情報)15:00 「2026中期経営計画」策定に関するお知らせ |
| 05/13 | (IR情報)15:00 監査等委員会設置会社への移行に伴う業績連動型株式報酬制度の一部改定に関するお知らせ |
| 05/13 | (IR情報)15:00 定款一部変更に関するお知らせ |
| 05/13 | (IR情報)15:00 (開示事項の経過)持分法適用会社における火災事故の発生及び当社グループへの影響に関するお知らせ |
| 05/13 | (IR情報)15:00 業績予想値と実績値の差異及び剰余金の配当(増配)に関するお知らせ |
| 05/13 | (IR情報)15:00 2026年3月期決算説明資料 |
| 05/13 | (IR情報)15:00 2026年3月期決算短信〔日本基準〕(連結) |
| 05/13 | (IR情報)15:00 三菱製鋼グループ パーパス策定のお知らせ |
| 05/13 | 1,865 | 2,020 | 1,819 | 1,980 | +6.28% | 252,400 | 311億573万 | +8.43% |
| 05/13 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 188,198株(1.19%)-0.17% |
| 05/12 | 1,902 | 1,915 | 1,857 | 1,863 | -1.53% | 108,000 | 292億6767万 | +2.42% |
| 05/12 | (空売り報告)Citigroup Global Markets Limited 157,250株(1%)+0.03% |
| 05/11 | 1,840 | 1,908 | 1,800 | 1,892 | +3.11% | 213,900 | 297億2325万 | +4.07% |
| 05/11 | (空売り報告)Barclays Capital Securities Ltd 28,210株(0.17%)-0.44%義務消失 |
| 05/08 | 1,853 | 1,853 | 1,815 | 1,835 | -0.54% | 67,500 | 288億2779万 | +1.21% |
| 05/08 | (空売り報告)Barclays Capital Securities Ltd 95,910株(0.61%)+0.03% |
| 05/07 | 1,838 | 1,857 | 1,817 | 1,845 | +1.82% | 72,200 | 289億8489万 | +1.82% |
| 05/07 | (空売り報告)Barclays Capital Securities Ltd 91,410株(0.58%)-0.05% |
| 05/01 | 1,791 | 1,814 | 1,774 | 1,812 | +0.95% | 73,600 | 284億6646万 | -0.11% |
| 05/01 | (空売り報告)Barclays Capital Securities Ltd 99,310株(0.63%)+0.1% |
| 04/30 | 1,805 | 1,808 | 1,782 | 1,795 | -1.59% | 80,000 | 281億9939万 | -1.16% |
| 04/30 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 214,501株(1.36%)-0.11% |
| 04/28 | 1,780 | 1,824 | 1,780 | 1,824 | +2.01% | 70,600 | 286億5498万 | +0.22% |
| 04/27 | 1,793 | 1,796 | 1,774 | 1,788 | -0.06% | 69,200 | 280億8942万 | -1.76% |
| 04/27 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 231,801株(1.47%)-0.11% |
| 04/24 | (IR情報)15:00 野村アセットマネジメント株式会社主催の「CEOエンゲージメント」に当社社長が参加 |
| 04/24 | 1,804 | 1,811 | 1,776 | 1,789 | -0.94% | 72,700 | 281億513万 | -1.65% |
| 04/24 | (空売り報告)Barclays Capital Securities Ltd 83,310株(0.53%)再IN |
| 04/23 | 1,804 | 1,816 | 1,788 | 1,806 | +0.11% | 62,100 | 283億7220万 | -0.82% |
| 04/23 | (空売り報告)Barclays Capital Securities Ltd 76,310株(0.48%)-0.02%義務消失 |
| 04/23 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 248,301株(1.58%)-0.1% |
| 04/22 | 1,833 | 1,833 | 1,802 | 1,804 | -1.58% | 63,700 | 283億4078万 | -1.15% |
| 04/21 | 1,843 | 1,851 | 1,823 | 1,833 | -0.27% | 48,200 | 287億9637万 | +0.38% |
| 04/20 | 1,841 | 1,845 | 1,829 | 1,838 | +0.88% | 54,700 | 288億7492万 | +0.71% |
| 04/17 | 1,826 | 1,841 | 1,821 | 1,822 | -0.82% | 50,000 | 286億2356万 | -0.16% |
| 04/17 | (空売り報告)Citigroup Global Markets Limited 153,550株(0.97%)-0.12% |
| 04/16 | 1,828 | 1,848 | 1,821 | 1,837 | +0.6% | 60,300 | 288億5921万 | +0.55% |
| 04/15 | 1,833 | 1,847 | 1,813 | 1,826 | +0.72% | 68,700 | 286億8640万 | -0.27% |
| 04/15 | (空売り報告)Barclays Capital Securities Ltd 80,010株(0.5%)再IN |
| 04/14 | 1,802 | 1,821 | 1,798 | 1,813 | +0.95% | 63,800 | 284億8217万 | -1.15% |
| 04/14 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 264,501株(1.68%)-0.03% |
| 04/13 | 1,788 | 1,809 | 1,782 | 1,796 | +0.28% | 83,100 | 282億1510万 | -2.13% |
| 04/10 | 1,821 | 1,834 | 1,790 | 1,791 | -1.1% | 74,100 | 281億3655万 | -2.66% |
| 04/10 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 268,801株(1.71%)+0.02% |
| 04/09 | 1,846 | 1,846 | 1,808 | 1,811 | -1.58% | 105,400 | 284億5075万 | -1.9% |
| 04/08 | 1,849 | 1,860 | 1,831 | 1,840 | +1.71% | 99,800 | 289億634万 | -0.43% |
| 04/08 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 266,401株(1.69%)-0.01% |
| 04/07 | 1,805 | 1,824 | 1,792 | 1,809 | +0.67% | 64,300 | 284億1933万 | -2.43% |
| 04/07 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 267,801株(1.7%)+0.09% |
| 04/06 | 1,807 | 1,821 | 1,796 | 1,797 | -0.99% | 76,900 | 282億3081万 | -3.59% |
| 04/06 | (空売り報告)Citigroup Global Markets Limited 172,750株(1.09%)-0.03% |
| 04/03 | 1,820 | 1,844 | 1,813 | 1,815 | +1.28% | 59,400 | 285億1359万 | -3.3% |
| 04/02 | 1,837 | 1,866 | 1,791 | 1,792 | -2.34% | 78,900 | 281億5226万 | -4.98% |
| 04/01 | 1,830 | 1,843 | 1,810 | 1,835 | +3.03% | 100,400 | 288億2779万 | -3.17% |
| 03/31 | (IR情報)11:30 連結子会社の固定資産(土地)譲渡完了および特別利益計上に関するお知らせ |
| 03/31 | 1,791 | 1,823 | 1,781 | 1,781 | -1.44% | 91,300 | 279億7945万 | -6.41% |
| 03/31 | (空売り報告)Barclays Capital Securities Ltd 75,510株(0.48%)-0.03%義務消失 |
| 03/31 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 253,901株(1.61%)+0.04% |
| 03/30 | (IR情報)16:00 メキシコ子会社の異動(株式譲渡)のお知らせ |
| 03/30 | 1,780 | 1,811 | 1,760 | 1,807 | -4.14% | 116,700 | 283億8791万 | -5.54% |
| 03/30 | (空売り報告)モルガン・スタンレーMUFG証券 76,452株(0.48%)-0.05%義務消失 |
| 03/30 | (空売り報告)Barclays Capital Securities Ltd 81,410株(0.51%)再IN |
| 03/27 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 247,701株(1.57%)-0.12% |
| 03/25 | (空売り報告)Barclays Capital Securities Ltd 77,810株(0.49%)-0.02%義務消失 |
| 03/24 | (空売り報告)モルガン・スタンレーMUFG証券 83,452株(0.53%)再IN |
| 03/24 | (空売り報告)Barclays Capital Securities Ltd 81,410株(0.51%)再IN |