| 2026 |
| 05/22 | 4,463 | 4,472 | 4,407 | 4,416 | -0.83% | 2,101,400 | 2兆9129億 | -6.78% |
| 05/21 | (5%ルール)ノムラインターナショナルピーエルシー(NOMURA IN…(0.67%)野村アセットマネジメント(4.9%)野村證券(1.7%) |
| 05/21 | 4,504 | 4,548 | 4,453 | 4,453 | -0.71% | 2,173,400 | 2兆9373億 | -6.41% |
| 05/20 | 4,544 | 4,582 | 4,480 | 4,485 | -1.3% | 2,477,700 | 2兆9584億 | -6.15% |
| 05/20 | (空売り報告)野村證券 2,883,027株(0.43%)-0.16%義務消失 |
| 05/19 | 4,510 | 4,576 | 4,501 | 4,544 | +1.36% | 2,614,600 | 2兆9973億 | -5.31% |
| 05/18 | 4,543 | 4,551 | 4,462 | 4,483 | -1.21% | 2,449,900 | 2兆9571億 | -6.99% |
| 05/15 | 4,532 | 4,570 | 4,509 | 4,538 | 0% | 3,148,900 | 2兆9934億 | -6.22% |
| 05/14 | 4,649 | 4,693 | 4,475 | 4,538 | -5% | 3,938,800 | 2兆9934億 | -6.57% |
| 05/13 | (IR情報)15:30 株式分割及び株主優待制度の変更に関するお知らせ |
| 05/13 | (IR情報)15:30 株式報酬制度の改定に関するお知らせ |
| 05/13 | (IR情報)15:30 2026年3月期決算短信〔日本基準〕(連結) |
| 05/13 | 4,770 | 4,831 | 4,754 | 4,777 | -0.13% | 2,161,000 | 3兆1510億 | -2.01% |
| 05/12 | 4,760 | 4,809 | 4,749 | 4,783 | +0.27% | 1,692,500 | 3兆1550億 | -2.09% |
| 05/11 | 4,746 | 4,800 | 4,744 | 4,770 | -0.06% | 1,610,200 | 3兆1464億 | -2.51% |
| 05/08 | 4,834 | 4,835 | 4,744 | 4,773 | -0.79% | 2,179,700 | 3兆1484億 | -2.57% |
| 05/08 | (空売り報告)野村證券 3,944,240株(0.59%)-0.01% |
| 05/07 | 4,750 | 4,825 | 4,747 | 4,811 | +1.01% | 2,782,200 | 3兆1735億 | -1.94% |
| 05/01 | 4,766 | 4,795 | 4,746 | 4,763 | -0.52% | 1,346,800 | 3兆1418億 | -3.09% |
| 04/30 | 4,813 | 4,828 | 4,730 | 4,788 | -1.8% | 2,579,100 | 3兆1583億 | -2.8% |
| 04/28 | 4,821 | 4,884 | 4,783 | 4,876 | +2.27% | 1,997,400 | 3兆2163億 | -1.26% |
| 04/27 | 4,765 | 4,799 | 4,740 | 4,768 | -0.31% | 1,433,800 | 3兆1451億 | -3.62% |
| 04/24 | 4,810 | 4,823 | 4,777 | 4,783 | -1.18% | 1,278,800 | 3兆1550億 | -3.53% |
| 04/23 | 4,849 | 4,851 | 4,811 | 4,840 | +0.04% | 1,476,200 | 3兆1926億 | -2.67% |
| 04/23 | (空売り報告)野村證券 3,959,415株(0.6%)+0.05% |
| 04/22 | 4,890 | 4,899 | 4,818 | 4,838 | -1.41% | 1,418,500 | 3兆1913億 | -3.05% |
| 04/21 | 4,912 | 4,929 | 4,896 | 4,907 | -0.1% | 1,307,900 | 3兆2368億 | -1.98% |
| 04/20 | 4,901 | 4,914 | 4,856 | 4,912 | +1.24% | 1,799,900 | 3兆2401億 | -2.11% |
| 04/17 | 4,900 | 4,916 | 4,852 | 4,852 | -1.36% | 1,823,600 | 3兆2005億 | -3.52% |
| 04/17 | (空売り報告)野村證券 3,651,877株(0.55%)-0.08% |
| 04/16 | 4,925 | 4,949 | 4,905 | 4,919 | +0.04% | 1,694,700 | 3兆2447億 | -2.46% |
| 04/15 | 4,880 | 4,939 | 4,880 | 4,917 | +0.37% | 2,309,800 | 3兆2434億 | -2.81% |
| 04/14 | 4,919 | 4,938 | 4,876 | 4,899 | -0.49% | 2,371,600 | 3兆2315億 | -3.49% |
| 04/13 | 4,949 | 4,973 | 4,904 | 4,923 | -1.38% | 1,639,900 | 3兆2473億 | -3.32% |
| 04/10 | 4,988 | 5,009 | 4,973 | 4,992 | +0.08% | 1,515,900 | 3兆2929億 | -2.27% |
| 04/09 | 5,074 | 5,098 | 4,988 | 4,988 | -1.23% | 1,839,600 | 3兆2902億 | -2.6% |
| 04/08 | 5,070 | 5,070 | 5,009 | 5,050 | +1.59% | 2,407,700 | 3兆3311億 | -1.67% |
| 04/07 | 4,991 | 5,022 | 4,963 | 4,971 | -0.14% | 1,410,300 | 3兆2790億 | -3.51% |
| 04/06 | 5,028 | 5,042 | 4,978 | 4,978 | -0.58% | 850,800 | 3兆2836億 | -3.83% |
| 04/03 | 4,966 | 5,038 | 4,966 | 5,007 | -0.04% | 715,100 | 3兆3027億 | -3.77% |
| 04/02 | 5,025 | 5,069 | 4,984 | 5,009 | +0.14% | 1,504,000 | 3兆3041億 | -4.17% |
| 04/01 | 4,988 | 5,002 | 4,944 | 5,002 | +1.71% | 1,587,600 | 3兆2995億 | -4.72% |
| 03/31 | 4,945 | 4,977 | 4,906 | 4,918 | -0.22% | 2,640,600 | 3兆2440億 | -6.71% |
| 03/30 | 4,870 | 4,974 | 4,838 | 4,929 | -2.2% | 2,608,100 | 3兆2513億 | -6.93% |
| 03/27 | 5,057 | 5,073 | 5,022 | 5,040 | -0.3% | 2,701,300 | 3兆3245億 | -5.3% |
| 03/26 | 5,060 | 5,086 | 5,033 | 5,055 | -0.53% | 1,934,000 | 3兆3344億 | -5.39% |
| 03/25 | 5,185 | 5,185 | 5,082 | 5,082 | -0.06% | 1,754,300 | 3兆3522億 | -5.19% |
| 03/24 | (IR情報)14:00 住友電設株式会社の完全子会社化に関するお知らせ |
| 03/24 | 5,083 | 5,105 | 5,062 | 5,085 | +0.73% | 1,607,700 | 3兆3542億 | -5.36% |
| 03/23 | 5,133 | 5,136 | 5,041 | 5,048 | -2.15% | 2,395,500 | 3兆3298億 | -6.4% |
| 03/23 | (空売り報告)BNP Paribas Financial Markets SNC 3,223,276株(0.48%)-0.02%義務消失 |
| 03/19 | 5,200 | 5,245 | 5,159 | 5,159 | -2.18% | 2,075,800 | 3兆4030億 | -4.82% |
| 03/18 | 5,205 | 5,276 | 5,202 | 5,274 | +0.59% | 1,656,700 | 3兆4789億 | -3% |
| 03/18 | (空売り報告)BNP Paribas Financial Markets SNC 3,327,068株(0.5%)再IN |
| 03/17 | 5,202 | 5,246 | 5,201 | 5,243 | +0.98% | 957,300 | 3兆4584億 | -3.78% |
| 03/16 | 5,200 | 5,237 | 5,168 | 5,192 | -0.15% | 1,186,200 | 3兆4248億 | -4.93% |
| 03/13 | 5,150 | 5,247 | 5,150 | 5,200 | -0.1% | 1,524,000 | 3兆4301億 | -4.97% |
| 03/12 | 5,223 | 5,278 | 5,187 | 5,205 | -1.96% | 2,032,400 | 3兆4334億 | -5.02% |
| 03/11 | 5,360 | 5,377 | 5,309 | 5,309 | -0.49% | 1,393,000 | 3兆5020億 | -3.21% |
| 03/10 | 5,376 | 5,393 | 5,320 | 5,335 | +0.55% | 1,843,600 | 3兆5191億 | -2.72% |
| 03/09 | 5,101 | 5,341 | 5,101 | 5,306 | -0.47% | 2,012,900 | 3兆5000億 | -3.19% |
| 03/06 | 5,285 | 5,342 | 5,229 | 5,331 | +0.64% | 1,631,800 | 3兆5165億 | -2.65% |
| 03/05 | 5,472 | 5,475 | 5,266 | 5,297 | -1.43% | 2,435,800 | 3兆4940億 | -3.18% |
| 03/04 | 5,380 | 5,412 | 5,339 | 5,374 | -1.43% | 1,768,700 | 3兆5448億 | -1.76% |
| 03/03 | 5,496 | 5,512 | 5,385 | 5,452 | -2.28% | 1,503,100 | 3兆5963億 | -0.26% |
| 03/02 | 5,543 | 5,632 | 5,526 | 5,579 | -1.13% | 1,388,300 | 3兆6801億 | +2.16% |
| 02/27 | 5,600 | 5,651 | 5,580 | 5,643 | +0.77% | 1,924,500 | 3兆7223億 | +3.47% |
| 02/26 | 5,600 | 5,642 | 5,584 | 5,600 | +0.32% | 1,161,300 | 3兆6939億 | +2.88% |
| 02/25 | 5,589 | 5,599 | 5,525 | 5,582 | +0.36% | 1,210,100 | 3兆6820億 | +2.7% |
| 02/24 | 5,531 | 5,579 | 5,486 | 5,562 | +0.85% | 1,771,500 | 3兆6688億 | +2.45% |
| 02/20 | (IR情報)16:35 米国における特定子会社の異動に関するお知らせ |
| 02/20 | 5,557 | 5,557 | 5,468 | 5,515 | -0.99% | 1,916,100 | 3兆6378億 | +1.66% |
| 02/19 | 5,572 | 5,594 | 5,515 | 5,570 | -0.04% | 1,135,500 | 3兆6741億 | +2.71% |
| 02/18 | 5,527 | 5,595 | 5,507 | 5,572 | +1.81% | 1,393,000 | 3兆6754億 | +2.86% |
| 02/17 | 5,485 | 5,508 | 5,440 | 5,473 | +0.88% | 1,583,300 | 3兆6101億 | +1.2% |
| 02/16 | 5,641 | 5,650 | 5,411 | 5,425 | -2.93% | 1,840,300 | 3兆5785億 | +0.43% |
| 02/13 | (IR情報)14:00 株主優待制度の拡充に関するお知らせ |
| 02/13 | (IR情報)14:00 当社取締役会の実効性評価の結果の概要等について |
| 02/13 | (IR情報)14:00 2026年3月期第3四半期決算短信〔日本基準〕(連結) |
| 02/13 | 5,714 | 5,805 | 5,573 | 5,589 | -2.12% | 3,687,300 | 3兆6867億 | +3.58% |
| 02/12 | 5,640 | 5,735 | 5,632 | 5,710 | +1.98% | 2,327,300 | 3兆7665億 | +6.07% |
| 02/10 | 5,565 | 5,599 | 5,509 | 5,599 | +0.45% | 1,684,100 | 3兆6933億 | +4.32% |
| 02/09 | 5,628 | 5,640 | 5,541 | 5,574 | +0.83% | 2,038,900 | 3兆6768億 | +4.13% |
| 02/09 | (空売り報告)野村證券 4,201,179株(0.63%)-0.22% |
| 02/06 | 5,486 | 5,538 | 5,468 | 5,528 | +1.1% | 1,147,300 | 3兆6464億 | +3.56% |
| 02/06 | (空売り報告)野村證券 5,668,279株(0.85%)-0.13% |
| 02/05 | (5%ルール)ノムラインターナショナルピーエルシー(NOMURA IN…(0.46%)野村アセットマネジメント(5.13%)野村證券(1.63%) |
| 02/05 | 5,453 | 5,505 | 5,434 | 5,468 | +1.07% | 1,463,700 | 3兆6068億 | +2.69% |
| 02/04 | 5,348 | 5,423 | 5,304 | 5,410 | +1.56% | 1,353,200 | 3兆5686億 | +1.83% |
| 02/03 | 5,261 | 5,348 | 5,245 | 5,327 | +1.06% | 1,398,600 | 3兆5138億 | +0.43% |
| 02/02 | 5,360 | 5,361 | 5,266 | 5,271 | +0.21% | 1,595,800 | 3兆4769億 | -0.51% |
| 01/30 | 5,245 | 5,279 | 5,186 | 5,260 | +1.43% | 1,821,700 | 3兆4696億 | -0.64% |
| 01/29 | 5,157 | 5,199 | 5,097 | 5,186 | -0.25% | 1,960,700 | 3兆4208億 | -1.95% |
| 01/28 | 5,230 | 5,257 | 5,178 | 5,199 | -1.37% | 1,619,600 | 3兆4294億 | -1.72% |
| 01/27 | 5,328 | 5,335 | 5,229 | 5,271 | -0.26% | 1,587,100 | 3兆4769億 | -0.42% |
| 01/26 | 5,271 | 5,300 | 5,225 | 5,285 | -1.01% | 2,096,700 | 3兆4861億 | -0.11% |
| 01/23 | 5,410 | 5,430 | 5,313 | 5,339 | -1.13% | 1,566,100 | 3兆5217億 | +0.95% |
| 01/22 | 5,378 | 5,400 | 5,328 | 5,400 | +0.82% | 1,596,500 | 3兆5620億 | +2.2% |
| 01/21 | 5,360 | 5,385 | 5,303 | 5,356 | -0.92% | 1,836,200 | 3兆5330億 | +1.55% |
| 01/20 | (5%ルール)アペリオ・グループ・エルエルシー(Aperio Group,…(0.36%)ブラックロック(ネザーランド)BV(BlackRock (Neth…(0.29%)ブラックロック・アセット・マネジメント・アイルラ…(0.82%)ブラックロック・アセット・マネジメント・カナダ・…(0.16%)ブラックロック・アドバイザーズ・エルエルシー(B…(0.24%)ブラックロック・インスティテューショナル・トラス…(1.62%)ブラックロック・インベストメント・マネジメント(…(0.1%)ブラックロック・インベストメント・マネジメント(…(0.24%)ブラックロック・インベストメント・マネジメント・…(0.1%)ブラックロック・ジャパン(1.91%)ブラックロック・ファンド・アドバイザーズ(Black…(2%)ブラックロック・ファンド・マネジャーズ・リミテッ…(0.5%)ブラックロック・フィナンシャル・マネジメント・イ…(0.24%) |
| 01/20 | 5,400 | 5,440 | 5,380 | 5,406 | -0.44% | 1,101,100 | 3兆5659億 | +2.68% |
| 01/19 | 5,475 | 5,507 | 5,418 | 5,430 | -0.71% | 1,373,100 | 3兆5818億 | +3.31% |
| 01/16 | 5,415 | 5,469 | 5,379 | 5,469 | +0.02% | 1,472,300 | 3兆6075億 | +4.27% |
| 01/16 | (空売り報告)野村證券 6,480,273株(0.98%)+0.1% |
| 01/15 | 5,428 | 5,473 | 5,391 | 5,468 | +1.03% | 1,392,300 | 3兆6068億 | +4.51% |
| 01/14 | 5,380 | 5,430 | 5,353 | 5,412 | +1.35% | 2,675,100 | 3兆5699億 | +3.76% |
| 01/13 | 5,336 | 5,379 | 5,296 | 5,340 | +0.36% | 2,334,700 | 3兆5224億 | +2.57% |
| 01/09 | 5,286 | 5,321 | 5,247 | 5,321 | +0.66% | 1,956,100 | 3兆5099億 | +2.37% |
| 01/08 | 5,234 | 5,286 | 5,213 | 5,286 | +0.61% | 1,610,400 | 3兆4868億 | +1.81% |
| 01/07 | 5,205 | 5,254 | 5,189 | 5,254 | -1.39% | 1,851,000 | 3兆4657億 | +1.31% |
| 01/06 | 5,253 | 5,328 | 5,231 | 5,328 | +1.85% | 1,993,500 | 3兆5145億 | +2.68% |
| 01/05 | 5,240 | 5,251 | 5,183 | 5,231 | +0.63% | 1,641,200 | 3兆4505億 | +0.79% |
| 2025 |
| 12/30 | 5,189 | 5,222 | 5,182 | 5,198 | -0.12% | 1,291,800 | 3兆4287億 | +0.08% |
| 12/29 | 5,186 | 5,213 | 5,166 | 5,204 | +0.35% | 885,000 | 3兆4327億 | +0.08% |
| 12/26 | 5,200 | 5,218 | 5,178 | 5,186 | +0.1% | 673,600 | 3兆4208億 | -0.33% |
| 12/25 | 5,218 | 5,218 | 5,166 | 5,181 | +0.23% | 1,025,000 | 3兆4175億 | -0.42% |
| 12/24 | (IR情報)14:00 従業員持株会を通じた株式付与としての自己株式の処分の払込完了及び一部失権に関するお知らせ |
| 12/24 | 5,171 | 5,176 | 5,145 | 5,169 | -0.23% | 1,084,300 | 3兆4096億 | -0.69% |
| 12/23 | 5,121 | 5,181 | 5,111 | 5,181 | +1.17% | 1,381,900 | 3兆4175億 | -0.48% |
| 12/22 | 5,168 | 5,195 | 5,121 | 5,121 | -1.86% | 1,526,800 | 3兆3779億 | -1.73% |
| 12/19 | 5,200 | 5,242 | 5,170 | 5,218 | -0.93% | 3,355,900 | 3兆4419億 | +0.04% |
| 12/16 | (IR情報)15:30 住友電設株式会社株式(証券コード:1949)に対する公開買付けの結果及び関連会社の異動に関するお知らせ |