| 2026 |
| 10/07 | 4,870 | 4,928 | 4,846 | 4,856 | -0.55% | 4,695,300 | - | -3.77% |
| 10/06 | 4,857 | 4,908 | 4,855 | 4,883 | +1.1% | 3,749,800 | - | -3.44% |
| 10/05 | 4,748 | 4,842 | 4,742 | 4,830 | +1.13% | 3,482,300 | - | -4.62% |
| 10/02 | (IR情報)15:30 自己株式の取得状況に関するお知らせ |
| 10/02 | 4,826 | 4,867 | 4,764 | 4,776 | -2.25% | 4,946,000 | - | -5.87% |
| 10/01 | 4,845 | 4,916 | 4,786 | 4,886 | -0.33% | 5,265,600 | - | -3.93% |
| 09/30 | 4,883 | 4,917 | 4,823 | 4,902 | +1.07% | 5,203,600 | - | -3.64% |
| 09/29 | (IR情報)15:30 国内劣後特約付無担保社債の期限前償還について |
| 09/29 | 4,950 | 4,986 | 4,850 | 4,850 | -4.38% | 5,936,100 | - | -4.7% |
| 09/28 | 5,051 | 5,103 | 5,031 | 5,072 | +0.83% | 4,688,300 | - | -0.28% |
| 09/25 | 4,993 | 5,036 | 4,949 | 5,030 | +1.21% | 4,654,700 | - | -0.93% |
| 09/24 | 5,173 | 5,190 | 4,970 | 4,970 | -4.73% | 8,301,000 | - | -2.09% |
| 09/18 | 5,314 | 5,326 | 5,217 | 5,217 | -0.82% | 11,735,800 | - | +2.82% |
| 09/17 | 5,179 | 5,276 | 5,178 | 5,260 | +2.04% | 3,127,800 | - | +3.99% |
| 09/16 | 5,164 | 5,223 | 5,154 | 5,155 | -0.06% | 4,600,300 | - | +2.24% |
| 09/16 | (空売り報告)Barclays Bank PLC 21,777,782株(1.45%)+0.14% |
| 09/16 | (空売り報告)J.P. MORGAN SECURITIES PLC 11,179,284株(0.74%)+0.05% |
| 09/15 | 5,244 | 5,249 | 5,127 | 5,158 | -0.94% | 4,944,300 | - | +2.54% |
| 09/15 | (空売り報告)Barclays Bank PLC 19,629,855株(1.31%)+0.21% |
| 09/15 | (空売り報告)J.P. MORGAN SECURITIES PLC 10,360,617株(0.69%)-0.05% |
| 09/14 | 5,126 | 5,219 | 5,100 | 5,207 | +2.28% | 2,961,000 | - | +3.79% |
| 09/11 | 4,918 | 5,105 | 4,915 | 5,091 | +2.56% | 5,107,500 | - | +1.78% |
| 09/11 | (空売り報告)Barclays Bank PLC 16,492,700株(1.1%)+0.08% |
| 09/11 | (空売り報告)J.P. MORGAN SECURITIES PLC 11,070,463株(0.74%)+0.07% |
| 09/10 | 4,925 | 5,000 | 4,915 | 4,964 | +0.34% | 3,648,000 | - | -0.56% |
| 09/09 | 4,994 | 4,997 | 4,930 | 4,947 | -2.58% | 5,748,000 | - | -0.74% |
| 09/09 | (空売り報告)J.P. MORGAN SECURITIES PLC 10,087,972株(0.67%)再IN |
| 09/08 | (自社株買い)取締役会(2026年5月20日)での決議状況(取得期間2026年5月21日~2026年11月18日) |
| 09/08 | 5,090 | 5,147 | 5,068 | 5,078 | -1.38% | 2,476,500 | - | +2.05% |
| 09/07 | 5,231 | 5,249 | 5,121 | 5,149 | -1.74% | 3,145,500 | - | +3.69% |
| 09/07 | (空売り報告)Barclays Bank PLC 15,353,200株(1.02%)-0.16% |
| 09/04 | 5,300 | 5,315 | 5,204 | 5,240 | +0.56% | 4,169,600 | - | +5.71% |
| 09/03 | (IR情報)15:30 自己株式の取得状況に関するお知らせ |
| 09/03 | 5,106 | 5,254 | 5,106 | 5,211 | +1.48% | 4,189,500 | - | +5.34% |
| 09/02 | 5,092 | 5,182 | 5,081 | 5,135 | -1% | 4,177,600 | - | +3.95% |
| 09/01 | 5,127 | 5,224 | 5,110 | 5,187 | +1.57% | 4,728,700 | - | +5.06% |
| 08/31 | 5,114 | 5,124 | 5,060 | 5,107 | -0.14% | 4,898,900 | - | +3.59% |
| 08/28 | (IR情報)15:30 三井住友海上による国内無担保普通社債の発行に係る条件決定について |
| 08/28 | 5,021 | 5,135 | 5,021 | 5,114 | +1.23% | 3,316,300 | - | +3.9% |
| 08/27 | 5,045 | 5,090 | 5,034 | 5,052 | -0.63% | 3,137,500 | - | +2.85% |
| 08/26 | 5,050 | 5,102 | 5,044 | 5,084 | +0.24% | 3,724,200 | - | +3.71% |
| 08/25 | 4,980 | 5,072 | 4,972 | 5,072 | +2.94% | 3,172,900 | - | +3.76% |
| 08/24 | 4,905 | 4,946 | 4,859 | 4,927 | -0.36% | 3,170,100 | - | +1.27% |
| 08/24 | (空売り報告)Barclays Bank PLC 17,614,700株(1.18%)+0.16% |
| 08/21 | 4,801 | 4,957 | 4,766 | 4,945 | +3.6% | 3,580,100 | - | +1.96% |
| 08/20 | 4,879 | 4,894 | 4,755 | 4,773 | -1.79% | 4,276,300 | - | -1.28% |
| 08/20 | (空売り報告)Barclays Bank PLC 15,297,800株(1.02%)+0.17% |
| 08/19 | 4,993 | 4,995 | 4,833 | 4,860 | -2.51% | 5,588,700 | - | +0.73% |
| 08/18 | 4,915 | 4,988 | 4,899 | 4,985 | +1.22% | 3,888,200 | - | +3.68% |
| 08/18 | (空売り報告)Barclays Bank PLC 12,790,812株(0.85%)+0.26% |
| 08/17 | 5,110 | 5,146 | 4,903 | 4,925 | +1.84% | 6,427,300 | - | +2.93% |
| 08/17 | (空売り報告)Barclays Bank PLC 8,896,480株(0.59%)-0.01% |
| 08/14 | (IR情報)15:30 2027年3月期第1四半期決算短信〔IFRS〕(連結) |
| 08/14 | 4,821 | 4,921 | 4,821 | 4,836 | -0.19% | 3,881,600 | - | +1.43% |
| 08/14 | (空売り報告)Barclays Bank PLC 8,985,180株(0.6%)再IN |
| 08/13 | 4,859 | 4,859 | 4,790 | 4,845 | -0.21% | 3,401,400 | - | +1.87% |
| 08/12 | 4,859 | 4,886 | 4,822 | 4,855 | +0.54% | 3,414,500 | - | +2.36% |
| 08/10 | (自社株買い)取締役会(2026年5月20日)での決議状況(取得期間2026年5月21日~2026年11月18日) |
| 08/10 | 4,800 | 4,830 | 4,733 | 4,829 | -0.43% | 3,912,300 | - | +2.07% |
| 08/07 | 4,855 | 4,919 | 4,824 | 4,850 | +0.48% | 3,042,900 | - | +2.84% |
| 08/06 | 4,788 | 4,849 | 4,771 | 4,827 | +1% | 3,283,600 | - | +2.75% |
| 08/05 | (IR情報)15:30 自己株式の取得状況に関するお知らせ |
| 08/05 | 4,809 | 4,822 | 4,731 | 4,779 | +0.78% | 3,723,300 | - | +2.2% |
| 08/04 | 4,788 | 4,830 | 4,742 | 4,742 | -1.62% | 4,260,100 | - | +1.87% |
| 08/03 | 4,854 | 4,863 | 4,702 | 4,820 | -2.11% | 4,692,000 | - | +3.99% |
| 07/31 | 4,935 | 4,997 | 4,897 | 4,924 | -1.28% | 4,614,100 | - | +6.76% |
| 07/30 | 4,950 | 5,009 | 4,922 | 4,988 | -1.23% | 4,658,600 | - | +8.79% |
| 07/29 | 5,041 | 5,067 | 4,935 | 5,050 | +0.22% | 5,364,200 | - | +10.65% |
| 07/28 | 5,022 | 5,073 | 5,000 | 5,039 | +0.2% | 4,544,500 | - | +10.84% |
| 07/27 | 4,927 | 5,029 | 4,913 | 5,029 | +2.67% | 4,742,600 | - | +10.99% |
| 07/24 | 4,814 | 4,898 | 4,781 | 4,898 | +0.51% | 4,857,900 | - | +8.58% |
| 07/23 | 4,799 | 4,875 | 4,788 | 4,873 | +1.5% | 4,195,200 | - | +8.31% |
| 07/22 | 4,733 | 4,839 | 4,715 | 4,801 | +1.29% | 5,351,800 | - | +7.02% |
| 07/21 | 4,610 | 4,740 | 4,569 | 4,740 | +5.73% | 7,151,600 | - | +5.83% |
| 07/17 | 4,570 | 4,580 | 4,473 | 4,483 | -1.54% | 4,616,300 | - | +0.16% |
| 07/16 | 4,529 | 4,602 | 4,528 | 4,553 | -0.46% | 6,001,800 | - | +1.61% |
| 07/15 | 4,550 | 4,594 | 4,526 | 4,574 | +1.35% | 3,969,800 | - | +2.08% |
| 07/14 | 4,454 | 4,513 | 4,442 | 4,513 | +1.85% | 3,352,200 | - | +0.69% |
| 07/13 | 4,424 | 4,442 | 4,395 | 4,431 | +0.07% | 2,859,100 | - | -1.16% |
| 07/10 | 4,505 | 4,505 | 4,413 | 4,428 | -1.71% | 4,374,500 | - | -1.2% |
| 07/09 | (自社株買い)取締役会(2026年5月20日)での決議状況(取得期間2026年5月21日~2026年11月18日) |
| 07/09 | 4,450 | 4,505 | 4,447 | 4,505 | -0.33% | 4,504,100 | - | +0.6% |
| 07/08 | 4,503 | 4,549 | 4,495 | 4,520 | -0.31% | 4,542,700 | - | +1.19% |
| 07/07 | (5%ルール)Capital Research and Management Company(5.07%) |
| 07/07 | 4,554 | 4,594 | 4,502 | 4,534 | -0.4% | 5,176,400 | - | +1.7% |
| 07/06 | 4,465 | 4,554 | 4,438 | 4,552 | +2.2% | 5,245,600 | - | +2.36% |
| 07/03 | 4,420 | 4,461 | 4,401 | 4,454 | +1.34% | 5,164,700 | - | +0.38% |
| 07/02 | (IR情報)15:30 自己株式の取得状況に関するお知らせ |
| 07/02 | 4,285 | 4,416 | 4,281 | 4,395 | +2.66% | 6,095,600 | - | -0.81% |
| 07/01 | 4,230 | 4,285 | 4,228 | 4,281 | +0.97% | 6,011,100 | - | -3.25% |
| 06/30 | 4,250 | 4,287 | 4,225 | 4,240 | -0.47% | 5,413,800 | - | -4.18% |
| 06/29 | (IR情報)15:30 2026年3月期決算説明資料 |
| 06/29 | (IR情報)15:30 2026年3月期決算短信〔IFRS〕(連結) |
| 06/29 | 4,258 | 4,301 | 4,204 | 4,260 | +0.45% | 7,673,400 | - | -3.69% |
| 06/26 | 4,246 | 4,292 | 4,210 | 4,241 | -0.26% | 6,194,800 | - | -4.09% |
| 06/25 | 4,310 | 4,316 | 4,222 | 4,252 | -4.45% | 7,937,600 | - | -3.84% |
| 06/24 | 4,583 | 4,614 | 4,437 | 4,450 | -3.6% | 5,076,400 | - | +0.54% |
| 06/23 | 4,653 | 4,661 | 4,606 | 4,616 | -0.52% | 3,862,000 | - | +4.32% |
| 06/22 | (IR情報)15:30 三井住友海上による国内無担保普通社債の発行について |
| 06/22 | 4,521 | 4,662 | 4,501 | 4,640 | +1.96% | 2,452,700 | - | +4.98% |
| 06/19 | 4,521 | 4,594 | 4,510 | 4,551 | -0.81% | 5,609,000 | - | +3.17% |
| 06/18 | 4,577 | 4,620 | 4,534 | 4,588 | +0.68% | 4,416,600 | - | +4.15% |
| 06/17 | 4,656 | 4,689 | 4,554 | 4,557 | -1.28% | 3,959,300 | - | +3.64% |
| 06/16 | 4,603 | 4,626 | 4,556 | 4,616 | -1.22% | 3,133,600 | - | +5.1% |
| 06/15 | (自社株買い)取締役会(2026年5月20日)での決議状況(取得期間2026年5月21日~2026年11月18日) |
| 06/15 | 4,616 | 4,742 | 4,597 | 4,673 | +1.65% | 3,446,400 | - | +6.74% |
| 06/12 | 4,622 | 4,676 | 4,596 | 4,597 | +0.99% | 5,475,200 | - | +5.63% |
| 06/11 | 4,578 | 4,590 | 4,516 | 4,552 | -0.98% | 3,444,800 | - | +5.18% |
| 06/10 | 4,657 | 4,706 | 4,569 | 4,597 | +1.26% | 4,882,400 | - | +6.76% |
| 06/09 | 4,419 | 4,557 | 4,413 | 4,540 | +3.13% | 6,083,800 | - | +6.03% |
| 06/08 | 4,370 | 4,402 | 4,339 | 4,402 | +1.78% | 4,078,900 | - | +3.31% |
| 06/05 | 4,350 | 4,394 | 4,299 | 4,325 | +1.84% | 2,749,500 | - | +1.86% |
| 06/04 | (IR情報)15:30 自己株式の取得状況に関するお知らせ |
| 06/04 | 4,273 | 4,284 | 4,224 | 4,247 | -1.09% | 3,729,600 | - | +0.4% |
| 06/03 | 4,311 | 4,365 | 4,294 | 4,294 | +0.66% | 4,192,300 | - | +1.8% |
| 06/02 | 4,228 | 4,298 | 4,169 | 4,266 | -0.74% | 4,316,300 | - | +1.45% |
| 06/01 | 4,275 | 4,313 | 4,254 | 4,298 | +0.26% | 4,770,700 | - | +2.46% |
| 05/29 | 4,212 | 4,333 | 4,209 | 4,287 | +0.99% | 21,947,600 | - | +2.49% |
| 05/28 | 4,222 | 4,288 | 4,219 | 4,245 | -1.05% | 4,163,600 | - | +1.73% |
| 05/27 | 4,210 | 4,295 | 4,197 | 4,290 | +2.09% | 4,362,800 | - | +3% |
| 05/26 | 4,205 | 4,242 | 4,156 | 4,202 | -0.33% | 2,884,700 | - | +1.06% |
| 05/25 | 4,245 | 4,245 | 4,153 | 4,216 | -0.68% | 3,443,400 | - | +1.54% |
| 05/22 | (5%ルール)日本生命保険(7.3%)ニッセイアセットマネジメント(0.09%)大樹生命保険(0.21%) |
| 05/22 | 4,299 | 4,341 | 4,182 | 4,245 | -2.41% | 4,505,700 | - | +2.41% |
| 05/21 | 4,350 | 4,475 | 4,286 | 4,350 | -1.58% | 6,554,700 | - | +5.12% |
| 05/20 | (IR情報)15:30 MS&ADグループ経営計画(2030年度目指す姿・2026年度計画)等の策定に関するお知らせ |
| 05/20 | (IR情報)15:30 定款一部変更に関するお知らせ |
| 05/20 | (IR情報)15:30 自己株式取得に係る事項の決定に関するお知らせ |
| 05/20 | (IR情報)15:30 2026年3月期の剰余金の配当に関するお知らせ |
| 05/20 | (IR情報)15:30 2026年3月期(通期)の連結業績の差異に関するお知らせ |
| 05/20 | (IR情報)15:30 2026年3月期決算説明資料 |
| 05/20 | (IR情報)15:30 2026年3月期決算短信〔日本基準〕(連結) |
| 05/20 | 4,507 | 4,522 | 4,356 | 4,420 | -1.84% | 5,183,200 | - | +7.1% |
| 05/19 | 4,439 | 4,536 | 4,403 | 4,503 | +1.88% | 5,100,200 | - | +9.43% |
| 05/18 | 4,449 | 4,491 | 4,401 | 4,420 | +0.66% | 3,963,700 | - | +7.78% |
| 05/15 | 4,410 | 4,437 | 4,356 | 4,391 | -0.18% | 3,998,500 | - | +7.41% |
| 05/14 | 4,375 | 4,427 | 4,360 | 4,399 | -0.34% | 3,569,100 | - | +7.87% |
| 05/11 | (IR情報)15:30 2026年3月期(通期)の連結業績予想の修正に関するお知らせ |