| 2026 |
| 08/20 | 2,338 | 2,388 | 2,325 | 2,388 | +2.67% | 37,600 | 232億4718万 | +0.46% |
| 08/19 | 2,386 | 2,392 | 2,316 | 2,326 | -2.51% | 65,500 | 226億4361万 | -1.52% |
| 08/18 | 2,401 | 2,428 | 2,386 | 2,386 | -0.62% | 45,300 | 232億2771万 | +1.53% |
| 08/17 | 2,428 | 2,465 | 2,399 | 2,401 | -1.11% | 29,900 | 233億7373万 | +2.91% |
| 08/17 | (空売り報告)MERRILL LYNCH INTERNATIONAL 101,104株(1.03%)-0.01% |
| 08/14 | 2,424 | 2,436 | 2,391 | 2,428 | +0.41% | 26,400 | 236億3658万 | +4.84% |
| 08/13 | 2,412 | 2,427 | 2,394 | 2,418 | +0.71% | 39,500 | 235億3923万 | +5.22% |
| 08/13 | (空売り報告)MERRILL LYNCH INTERNATIONAL 101,504株(1.04%)-0.01% |
| 08/12 | 2,482 | 2,483 | 2,400 | 2,401 | -3.26% | 66,300 | 233億7373万 | +5.26% |
| 08/12 | (空売り報告)MERRILL LYNCH INTERNATIONAL 103,104株(1.05%)+0.01% |
| 08/10 | 2,400 | 2,490 | 2,400 | 2,482 | +3.2% | 44,500 | 241億6227万 | +9.48% |
| 08/10 | (空売り報告)MERRILL LYNCH INTERNATIONAL 101,604株(1.04%)+0.01% |
| 08/07 | (5%ルール)東日本旅客鉄道(19.89%) |
| 08/07 | 2,453 | 2,462 | 2,380 | 2,405 | -1.68% | 36,700 | 234億1267万 | +6.98% |
| 08/06 | (IR情報)17:00 第三者割当による自己株式処分の払込完了に関するお知らせ |
| 08/06 | 2,466 | 2,490 | 2,435 | 2,446 | -0.45% | 26,700 | 238億1181万 | +9.69% |
| 08/06 | (空売り報告)MERRILL LYNCH INTERNATIONAL 101,104株(1.03%)-0.01% |
| 08/05 | 2,410 | 2,492 | 2,395 | 2,457 | +2.76% | 76,700 | 239億1889万 | +11.18% |
| 08/05 | (空売り報告)MERRILL LYNCH INTERNATIONAL 101,604株(1.04%)+0.01% |
| 08/04 | 2,332 | 2,413 | 2,332 | 2,391 | +1.92% | 52,000 | 232億7638万 | +9.18% |
| 08/03 | 2,343 | 2,353 | 2,288 | 2,346 | -0.17% | 58,600 | 228億3831万 | +7.96% |
| 08/03 | (空売り報告)MERRILL LYNCH INTERNATIONAL 100,604株(1.03%)+0.11% |
| 07/31 | 2,329 | 2,362 | 2,302 | 2,350 | +2.13% | 56,500 | 228億7725万 | +8.95% |
| 07/31 | (空売り報告)MERRILL LYNCH INTERNATIONAL 89,804株(0.92%)+0.08% |
| 07/30 | 2,327 | 2,337 | 2,290 | 2,301 | -1.16% | 80,400 | 224億23万 | +7.42% |
| 07/30 | (空売り報告)MERRILL LYNCH INTERNATIONAL 81,804株(0.84%)+0.09% |
| 07/29 | 2,355 | 2,361 | 2,283 | 2,328 | -1.15% | 97,700 | 226億6308万 | +9.35% |
| 07/29 | (空売り報告)MERRILL LYNCH INTERNATIONAL 73,204株(0.75%)+0.17% |
| 07/28 | 2,387 | 2,387 | 2,308 | 2,355 | -1.34% | 88,100 | 229億2592万 | +11.29% |
| 07/28 | (空売り報告)MERRILL LYNCH INTERNATIONAL 56,504株(0.58%)再IN |
| 07/27 | 2,400 | 2,404 | 2,352 | 2,387 | +0.51% | 45,800 | 232億3744万 | +13.5% |
| 07/24 | 2,381 | 2,391 | 2,339 | 2,375 | -1.33% | 83,300 | 231億2062万 | +13.75% |
| 07/23 | (5%ルール)東日本旅客鉄道(13.95%) |
| 07/23 | (5%ルール)東日本旅客鉄道(10%) |
| 07/23 | 2,380 | 2,420 | 2,375 | 2,407 | +1.05% | 79,500 | 234億3214万 | +16% |
| 07/22 | (IR情報)16:00 第三者割当による自己株式の処分に係る処分価額等の決定に関するお知らせ |
| 07/22 | 2,423 | 2,435 | 2,375 | 2,382 | -1.53% | 80,000 | 231億8877万 | +15.63% |
| 07/21 | 2,462 | 2,462 | 2,361 | 2,419 | -1.75% | 154,800 | 235億4896万 | +18.35% |
| 07/17 | 2,355 | 2,495 | 2,345 | 2,462 | +3.93% | 241,200 | 239億6757万 | +21.46% |
| 07/16 | 2,416 | 2,447 | 2,312 | 2,369 | +17.51% | 552,200 | 230億6221万 | +18.1% |
| 07/15 | (IR情報)16:00 執行役員の異動に関するお知らせ |
| 07/15 | (IR情報)16:00 取締役、監査役および補欠監査役の候補者選任に関するお知らせ |
| 07/15 | (IR情報)16:00 当社株式等の大規模買付行為に関する対応策(買収への対応方針)の継続について |
| 07/15 | (IR情報)16:00 第三者割当による自己株式の処分及びその他の関係会社の異動に関するお知らせ |
| 07/15 | (IR情報)16:00 配当方針の変更に関するお知らせ |
| 07/15 | (IR情報)16:00 中期経営計画の策定に関するお知らせ |
| 07/15 | (IR情報)16:00 2026年5月期通期連結業績予想と実績との差異および剰余金の配当に関するお知らせ |
| 07/15 | (IR情報)16:00 2026年5月期決算短信〔日本基準〕(連結) |
| 07/15 | 2,027 | 2,038 | 1,993 | 2,016 | +0.15% | 86,500 | 196億2576万 | +1.56% |
| 07/14 | 2,022 | 2,027 | 1,993 | 2,013 | -0.05% | 70,900 | 195億9655万 | +1.62% |
| 07/13 | 1,998 | 2,021 | 1,974 | 2,014 | +2.55% | 63,100 | 196億629万 | +1.77% |
| 07/10 | 2,010 | 2,011 | 1,964 | 1,964 | -1.46% | 32,800 | 191億1954万 | -0.56% |
| 07/09 | 1,974 | 1,999 | 1,950 | 1,993 | +1.74% | 51,400 | 194億185万 | +0.91% |
| 07/08 | 2,010 | 2,024 | 1,951 | 1,959 | -2.54% | 37,900 | 190億7086万 | -0.71% |
| 07/07 | 2,049 | 2,058 | 2,003 | 2,010 | -1.18% | 30,100 | 195億6735万 | +1.77% |
| 07/06 | 2,009 | 2,059 | 2,009 | 2,034 | +1.29% | 29,700 | 198億99万 | +2.88% |
| 07/03 | 1,963 | 2,017 | 1,958 | 2,008 | +2.5% | 27,700 | 195億4788万 | +1.47% |
| 07/02 | 1,958 | 1,983 | 1,932 | 1,959 | +0.51% | 20,700 | 190億7086万 | -1.41% |
| 07/01 | 1,951 | 1,989 | 1,930 | 1,949 | 0% | 43,500 | 189億7351万 | -2.35% |
| 06/30 | 1,965 | 1,975 | 1,930 | 1,949 | -0.76% | 15,000 | 189億7351万 | -2.89% |
| 06/29 | 1,968 | 1,984 | 1,928 | 1,964 | +0.46% | 27,000 | 191億1954万 | -2.72% |
| 06/26 | 1,973 | 1,977 | 1,944 | 1,955 | -0.76% | 21,000 | 190億3192万 | -3.69% |
| 06/25 | 1,994 | 1,997 | 1,970 | 1,970 | -1.01% | 17,600 | 191億7795万 | -3.48% |
| 06/24 | 2,000 | 2,022 | 1,972 | 1,990 | +0.25% | 16,900 | 193億7265万 | -2.93% |
| 06/23 | 2,076 | 2,076 | 1,985 | 1,985 | -2.5% | 24,700 | 193億2397万 | -3.64% |
| 06/22 | 2,028 | 2,065 | 2,020 | 2,036 | +0.39% | 22,800 | 198億2046万 | -1.83% |
| 06/19 | 2,066 | 2,080 | 2,019 | 2,028 | -0.73% | 19,500 | 197億4258万 | -2.83% |
| 06/18 | 2,035 | 2,069 | 2,031 | 2,043 | +1.09% | 15,400 | 198億8860万 | -2.81% |
| 06/17 | 2,000 | 2,038 | 1,999 | 2,021 | +1.25% | 23,900 | 196億7443万 | -4.49% |
| 06/16 | 2,006 | 2,017 | 1,981 | 1,996 | +0.15% | 25,500 | 194億3106万 | -6.42% |
| 06/15 | 1,992 | 2,006 | 1,970 | 1,993 | +2.94% | 33,700 | 194億185万 | -7.26% |
| 06/12 | 1,909 | 1,940 | 1,905 | 1,936 | +4.71% | 40,200 | 188億4696万 | -10.54% |
| 06/11 | 1,903 | 1,903 | 1,831 | 1,849 | -3.45% | 62,200 | 180億1万 | -15.22% |
| 06/10 | 1,944 | 1,944 | 1,899 | 1,915 | -1.49% | 28,300 | 186億4252万 | -13.07% |
| 06/09 | 1,947 | 1,955 | 1,915 | 1,944 | +1.57% | 25,700 | 189億2484万 | -12.63% |
| 06/08 | 1,930 | 1,930 | 1,877 | 1,914 | -2.84% | 70,900 | 186億3279万 | -14.82% |
| 06/05 | 1,976 | 1,979 | 1,944 | 1,970 | +0.97% | 41,000 | 191億7795万 | -13.22% |
| 06/04 | 1,957 | 1,969 | 1,920 | 1,951 | -2.79% | 55,200 | 189億9298万 | -14.77% |
| 06/03 | 2,052 | 2,073 | 2,001 | 2,007 | -2.86% | 50,500 | 195億3814万 | -13.08% |
| 06/02 | 2,031 | 2,082 | 2,009 | 2,066 | -0.72% | 50,200 | 201億1251万 | -11.25% |
| 06/01 | 2,195 | 2,195 | 2,054 | 2,081 | -5.24% | 60,500 | 202億5853万 | -11.18% |
| 05/29 | 2,231 | 2,253 | 2,163 | 2,196 | +0.69% | 52,600 | 213億7806万 | -6.95% |
| 05/28 | 2,163 | 2,185 | 2,131 | 2,181 | -1.98% | 90,300 | 212億3203万 | -8.05% |
| 05/27 | 2,258 | 2,265 | 2,213 | 2,225 | -1.46% | 214,800 | 216億6037万 | -6.75% |
| 05/26 | 2,263 | 2,286 | 2,220 | 2,258 | +0.58% | 38,900 | 219億8163万 | -5.88% |
| 05/25 | 2,262 | 2,275 | 2,236 | 2,245 | +0.99% | 21,300 | 218億5507万 | -6.89% |
| 05/22 | 2,250 | 2,255 | 2,213 | 2,223 | +1.05% | 27,500 | 216億4090万 | -8.41% |
| 05/21 | 2,265 | 2,276 | 2,200 | 2,200 | -1.83% | 48,100 | 214億1700万 | -9.47% |
| 05/20 | 2,327 | 2,327 | 2,228 | 2,241 | -3.7% | 55,600 | 218億1613万 | -8% |
| 05/19 | 2,367 | 2,388 | 2,327 | 2,327 | -1.27% | 69,500 | 226億5334万 | -4.63% |
| 05/18 | (IR情報)15:30 組織変更および執行役員の異動に関するお知らせ |
| 05/18 | 2,405 | 2,405 | 2,350 | 2,357 | -2.12% | 41,900 | 229億4539万 | -3.52% |
| 05/15 | 2,403 | 2,469 | 2,396 | 2,408 | +0.33% | 23,800 | 234億4188万 | -1.39% |
| 05/14 | 2,459 | 2,498 | 2,400 | 2,400 | -2% | 25,200 | 233億6400万 | -1.56% |
| 05/13 | 2,445 | 2,487 | 2,438 | 2,449 | +2.04% | 50,600 | 238億4101万 | +0.57% |
| 05/12 | 2,367 | 2,410 | 2,355 | 2,400 | +1.48% | 37,200 | 233億6400万 | -1.23% |
| 05/11 | 2,374 | 2,410 | 2,356 | 2,365 | +0.6% | 35,200 | 230億2327万 | -2.67% |
| 05/08 | 2,395 | 2,404 | 2,345 | 2,351 | -2.53% | 58,500 | 228億8698万 | -3.17% |
| 05/07 | 2,474 | 2,510 | 2,400 | 2,412 | -1.43% | 55,200 | 234億8082万 | -0.62% |
| 05/01 | 2,491 | 2,491 | 2,440 | 2,447 | -1.77% | 43,300 | 238億2154万 | +0.78% |
| 04/30 | 2,463 | 2,511 | 2,420 | 2,491 | -0.28% | 48,500 | 242億4988万 | +2.55% |
| 04/28 | 2,442 | 2,500 | 2,428 | 2,498 | +2.5% | 36,800 | 243億1803万 | +2.88% |
| 04/27 | 2,457 | 2,457 | 2,415 | 2,437 | -0.81% | 31,400 | 237億2419万 | +0.7% |
| 04/24 | 2,475 | 2,500 | 2,396 | 2,457 | -0.65% | 49,900 | 239億1889万 | +1.78% |
| 04/23 | 2,479 | 2,500 | 2,439 | 2,473 | +0.65% | 30,300 | 240億7465万 | +2.57% |
| 04/22 | 2,487 | 2,506 | 2,440 | 2,457 | -1.52% | 34,100 | 239億1889万 | +1.91% |
| 04/21 | 2,529 | 2,530 | 2,471 | 2,495 | -0.4% | 45,300 | 242億8882万 | +3.61% |
| 04/20 | 2,550 | 2,550 | 2,500 | 2,505 | -0.67% | 23,400 | 243億8617万 | +4.2% |
| 04/17 | 2,550 | 2,551 | 2,493 | 2,522 | -1.1% | 42,600 | 245億5167万 | +5.17% |
| 04/16 | 2,584 | 2,596 | 2,516 | 2,550 | -0.16% | 36,900 | 248億2425万 | +6.56% |
| 04/15 | 2,647 | 2,654 | 2,515 | 2,554 | -3.51% | 77,300 | 248億6319万 | +6.95% |
| 04/14 | 2,550 | 2,655 | 2,550 | 2,647 | +15.09% | 198,800 | 257億6854万 | +11.17% |
| 04/13 | (IR情報)15:30 2026年5月期第3四半期決算短信〔日本基準〕(連結) |
| 04/13 | 2,302 | 2,343 | 2,270 | 2,300 | -1.96% | 32,800 | 223億9050万 | -2.75% |
| 04/10 | 2,366 | 2,400 | 2,339 | 2,346 | -0.21% | 31,900 | 228億3831万 | -0.93% |
| 04/09 | 2,400 | 2,411 | 2,335 | 2,351 | -2.08% | 18,400 | 228億8698万 | -0.8% |
| 04/08 | 2,366 | 2,408 | 2,363 | 2,401 | +3.31% | 12,500 | 233億7373万 | +1.48% |
| 04/07 | 2,326 | 2,366 | 2,303 | 2,324 | -0.09% | 16,200 | 226億2414万 | -1.9% |
| 04/06 | 2,319 | 2,342 | 2,317 | 2,326 | +0.3% | 14,300 | 226億4361万 | -1.98% |
| 04/03 | 2,376 | 2,376 | 2,319 | 2,319 | -0.51% | 16,700 | 225億7546万 | -2.56% |
| 04/02 | 2,403 | 2,446 | 2,330 | 2,331 | -2.71% | 32,800 | 226億9228万 | -2.22% |
| 04/01 | 2,402 | 2,417 | 2,366 | 2,396 | +3.95% | 30,900 | 233億2506万 | +0.34% |
| 03/31 | 2,348 | 2,372 | 2,285 | 2,305 | -1.28% | 42,800 | 224億3917万 | -3.56% |
| 03/30 | 2,319 | 2,348 | 2,265 | 2,335 | -4.22% | 40,200 | 227億3122万 | -2.38% |
| 03/27 | 2,422 | 2,460 | 2,385 | 2,438 | -1.38% | 36,300 | 237億3393万 | +1.92% |
| 03/26 | 2,495 | 2,532 | 2,451 | 2,472 | +0.69% | 46,900 | 240億6492万 | +3.56% |