| 2026 |
| 03/06 | 2,043 | 2,061 | 2,028 | 2,054 | +0.54% | 40,900 | 390億5157万 | +0.59% |
| 03/05 | 2,043 | 2,081 | 2,032 | 2,043 | +2% | 44,200 | 388億4243万 | -0.05% |
| 03/04 | 2,001 | 2,023 | 1,987 | 2,003 | -0.45% | 61,300 | 380億8194万 | -2.15% |
| 03/03 | 2,050 | 2,050 | 2,009 | 2,012 | -1.42% | 38,600 | 382億5305万 | -2.04% |
| 03/02 | (IR情報)10:30 国立科学博物館で開催される特別展「超危険生物展 科学で挑む生き物の本気」に、早稲田アカデミーが協賛致します |
| 03/02 | 2,051 | 2,052 | 2,030 | 2,041 | -1.16% | 47,400 | 388億441万 | -1.07% |
| 02/27 | 2,059 | 2,075 | 2,053 | 2,065 | +0.83% | 45,600 | 392億6071万 | -0.24% |
| 02/26 | 2,040 | 2,066 | 2,031 | 2,048 | +0.94% | 66,200 | 389億3750万 | -1.35% |
| 02/25 | (IR情報)15:30 3月末基準日の株主優待商品の変更(電子化)に関するお知らせ |
| 02/25 | 2,012 | 2,031 | 2,011 | 2,029 | +0.45% | 51,200 | 385億7626万 | -2.64% |
| 02/24 | 2,015 | 2,025 | 2,002 | 2,020 | +0.45% | 27,600 | 384億515万 | -3.58% |
| 02/20 | 2,039 | 2,039 | 2,005 | 2,011 | -1.47% | 24,600 | 382億3404万 | -4.51% |
| 02/19 | 2,056 | 2,056 | 2,029 | 2,041 | 0% | 20,200 | 388億441万 | -3.54% |
| 02/18 | 2,041 | 2,057 | 2,039 | 2,041 | +0.64% | 19,700 | 388億441万 | -4% |
| 02/17 | 2,028 | 2,035 | 2,007 | 2,028 | 0% | 21,600 | 385億5725万 | -5.01% |
| 02/16 | 2,044 | 2,068 | 2,025 | 2,028 | -1.7% | 32,400 | 385億5725万 | -5.45% |
| 02/13 | 2,100 | 2,100 | 2,045 | 2,063 | -1.29% | 33,300 | 392億2268万 | -4.27% |
| 02/12 | 2,081 | 2,090 | 2,066 | 2,090 | +1.55% | 41,100 | 397億3602万 | -3.46% |
| 02/10 | 2,041 | 2,067 | 2,039 | 2,058 | +0.83% | 34,700 | 391億2762万 | -5.29% |
| 02/09 | 2,038 | 2,041 | 1,998 | 2,041 | +2.15% | 43,000 | 388億441万 | -6.42% |
| 02/06 | 2,004 | 2,008 | 1,974 | 1,998 | +1.22% | 38,500 | 379億8687万 | -8.77% |
| 02/05 | 2,022 | 2,022 | 1,944 | 1,974 | -3.99% | 137,100 | 375億3058万 | -10.31% |
| 02/04 | (IR情報)15:30 2026年3月期第3四半期決算短信〔日本基準〕(連結) |
| 02/04 | 2,064 | 2,067 | 2,036 | 2,056 | -0.53% | 43,400 | 390億8960万 | -7.05% |
| 02/03 | 2,083 | 2,098 | 2,066 | 2,067 | -0.14% | 40,500 | 392億9873万 | -6.93% |
| 02/02 | 2,102 | 2,109 | 2,066 | 2,070 | -0.72% | 40,900 | 393億5577万 | -7.13% |
| 01/30 | 2,078 | 2,095 | 2,066 | 2,085 | +0.48% | 27,300 | 396億4096万 | -6.92% |
| 01/29 | 2,090 | 2,090 | 2,061 | 2,075 | -1.24% | 37,300 | 394億5083万 | -7.7% |
| 01/28 | 2,128 | 2,128 | 2,100 | 2,101 | -1.27% | 25,700 | 399億4516万 | -6.99% |
| 01/27 | 2,180 | 2,181 | 2,128 | 2,128 | -2.61% | 31,900 | 404億5849万 | -6.13% |
| 01/26 | 2,226 | 2,226 | 2,185 | 2,185 | -1.93% | 37,700 | 415億4220万 | -3.87% |
| 01/23 | 2,230 | 2,252 | 2,222 | 2,228 | -0.09% | 17,400 | 423億5974万 | -2.19% |
| 01/22 | 2,214 | 2,240 | 2,212 | 2,230 | +0.72% | 15,600 | 423億9776万 | -2.28% |
| 01/21 | 2,221 | 2,232 | 2,207 | 2,214 | -1.2% | 31,100 | 420億9356万 | -3.11% |
| 01/20 | 2,275 | 2,275 | 2,241 | 2,241 | -2.52% | 43,100 | 426億690万 | -1.97% |
| 01/19 | 2,290 | 2,314 | 2,280 | 2,299 | +0.39% | 26,000 | 437億962万 | +0.52% |
| 01/16 | 2,268 | 2,290 | 2,255 | 2,290 | +0.97% | 14,900 | 435億3851万 | +0.26% |
| 01/15 | 2,266 | 2,281 | 2,254 | 2,268 | -0.66% | 23,500 | 431億2024万 | -0.74% |
| 01/14 | 2,271 | 2,290 | 2,268 | 2,283 | +0.62% | 19,100 | 434億542万 | -0.17% |
| 01/13 | 2,294 | 2,294 | 2,264 | 2,269 | -1% | 35,600 | 431億3925万 | -0.92% |
| 01/09 | 2,278 | 2,301 | 2,278 | 2,292 | +0.61% | 11,700 | 435億7653万 | -0.04% |
| 01/08 | 2,307 | 2,307 | 2,273 | 2,278 | -1.3% | 15,600 | 433億1036万 | -0.83% |
| 01/07 | 2,280 | 2,309 | 2,270 | 2,308 | +1.36% | 22,600 | 438億8073万 | +0.26% |
| 01/06 | 2,260 | 2,288 | 2,260 | 2,277 | +0.71% | 20,200 | 432億9135万 | -1.3% |
| 01/05 | 2,274 | 2,289 | 2,252 | 2,261 | -0.57% | 21,000 | 429億8715万 | -2.25% |
| 2025 |
| 12/30 | 2,275 | 2,297 | 2,265 | 2,274 | -0.04% | 24,400 | 432億3431万 | -2.02% |
| 12/29 | 2,252 | 2,275 | 2,248 | 2,275 | +0.8% | 29,700 | 432億5332万 | -2.19% |
| 12/26 | 2,256 | 2,270 | 2,253 | 2,257 | -0.79% | 30,400 | 429億1110万 | -3.22% |
| 12/25 | 2,273 | 2,285 | 2,264 | 2,275 | +0.13% | 22,800 | 432億5332万 | -2.57% |
| 12/24 | 2,330 | 2,332 | 2,272 | 2,272 | -2.91% | 20,400 | 431億9629万 | -2.82% |
| 12/23 | 2,280 | 2,340 | 2,280 | 2,340 | +2.18% | 22,900 | 444億8913万 | -0.04% |
| 12/22 | 2,328 | 2,330 | 2,280 | 2,290 | -1.67% | 20,300 | 435億3851万 | -2.18% |
| 12/19 | 2,316 | 2,340 | 2,316 | 2,329 | +0.34% | 15,300 | 442億8000万 | -0.68% |
| 12/18 | 2,276 | 2,331 | 2,270 | 2,321 | +1.98% | 23,000 | 441億2790万 | -1.19% |
| 12/17 | 2,304 | 2,304 | 2,256 | 2,276 | -1.22% | 15,600 | 432億7234万 | -3.19% |
| 12/16 | 2,341 | 2,341 | 2,304 | 2,304 | -0.9% | 20,800 | 438億468万 | -2.12% |
| 12/15 | 2,323 | 2,340 | 2,310 | 2,325 | +0.91% | 31,600 | 442億395万 | -1.32% |
| 12/12 | 2,285 | 2,311 | 2,255 | 2,304 | +2.4% | 35,200 | 438億468万 | -2.25% |
| 12/11 | 2,250 | 2,271 | 2,243 | 2,250 | +0.18% | 42,100 | 427億7801万 | -4.54% |
| 12/10 | 2,224 | 2,246 | 2,214 | 2,246 | -0.04% | 64,400 | 427億196万 | -4.79% |
| 12/09 | 2,281 | 2,294 | 2,240 | 2,247 | -2.01% | 29,700 | 427億2097万 | -4.91% |
| 12/08 | 2,319 | 2,350 | 2,293 | 2,293 | -1.5% | 34,300 | 435億9555万 | -3.17% |
| 12/05 | 2,350 | 2,350 | 2,318 | 2,328 | -1.15% | 21,500 | 442億6098万 | -1.81% |
| 12/04 | 2,375 | 2,375 | 2,348 | 2,355 | +0.04% | 16,900 | 447億7432万 | -0.76% |
| 12/03 | 2,382 | 2,382 | 2,354 | 2,354 | -1.51% | 19,700 | 447億5531万 | -1.01% |
| 12/02 | 2,412 | 2,418 | 2,390 | 2,390 | -0.17% | 15,500 | 454億3976万 | +0.13% |
| 12/01 | 2,450 | 2,457 | 2,390 | 2,394 | -1.89% | 16,600 | 455億1581万 | +0.04% |
| 11/28 | 2,440 | 2,450 | 2,426 | 2,440 | +0.33% | 10,700 | 463億9038万 | +1.67% |
| 11/27 | 2,435 | 2,460 | 2,431 | 2,432 | -0.73% | 21,400 | 462億3828万 | +1.12% |
| 11/26 | 2,406 | 2,450 | 2,406 | 2,450 | +1.79% | 11,000 | 465億8050万 | +1.74% |
| 11/25 | 2,443 | 2,448 | 2,399 | 2,407 | -0.29% | 20,600 | 457億6297万 | -0.04% |
| 11/21 | 2,331 | 2,414 | 2,331 | 2,414 | +2.72% | 23,800 | 458億9605万 | +0.25% |
| 11/20 | 2,340 | 2,350 | 2,327 | 2,350 | +0.6% | 12,300 | 446億7926万 | -2.45% |
| 11/19 | 2,326 | 2,352 | 2,324 | 2,336 | -0.43% | 22,300 | 444億1308万 | -3.19% |
| 11/18 | 2,332 | 2,357 | 2,330 | 2,346 | +0.13% | 16,900 | 446億321万 | -2.94% |
| 11/17 | 2,401 | 2,410 | 2,342 | 2,343 | -2.05% | 22,600 | 445億4617万 | -3.18% |
| 11/14 | 2,413 | 2,425 | 2,387 | 2,392 | -1.03% | 25,700 | 454億7778万 | -1.48% |
| 11/13 | 2,376 | 2,421 | 2,376 | 2,417 | +1.77% | 14,300 | 459億5309万 | -0.74% |
| 11/12 | 2,350 | 2,412 | 2,350 | 2,375 | +0.89% | 20,800 | 451億5457万 | -2.74% |
| 11/11 | 2,361 | 2,372 | 2,338 | 2,354 | -0.21% | 15,700 | 447億5531万 | -4.07% |
| 11/10 | 2,354 | 2,378 | 2,352 | 2,359 | +0.21% | 18,900 | 448億5037万 | -4.3% |
| 11/07 | 2,280 | 2,361 | 2,280 | 2,354 | +2.44% | 31,800 | 447億5531万 | -4.89% |
| 11/06 | 2,296 | 2,329 | 2,280 | 2,298 | -0.52% | 34,400 | 436億9061万 | -7.71% |
| 11/05 | 2,287 | 2,332 | 2,287 | 2,310 | -0.69% | 43,000 | 439億1876万 | -7.89% |
| 11/04 | 2,385 | 2,398 | 2,293 | 2,326 | -2.27% | 44,600 | 442億2296万 | -8.06% |
| 10/31 | (IR情報)15:30 配当予想の修正(増配)に関するお知らせ |
| 10/31 | (IR情報)15:30 2026年3月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 10/31 | 2,378 | 2,400 | 2,353 | 2,380 | +0.08% | 31,600 | 452億4963万 | -6.85% |
| 10/30 | 2,354 | 2,405 | 2,354 | 2,378 | +0.3% | 129,500 | 452億1161万 | -7.61% |
| 10/29 | 2,480 | 2,480 | 2,371 | 2,371 | -4.47% | 50,800 | 450億7852万 | -8.53% |
| 10/28 | 2,560 | 2,560 | 2,481 | 2,482 | -3.95% | 36,200 | 471億8890万 | -4.9% |
| 10/27 | 2,567 | 2,589 | 2,558 | 2,584 | +2.17% | 25,600 | 491億2817万 | -1.52% |
| 10/24 | 2,564 | 2,567 | 2,527 | 2,529 | -1.6% | 28,800 | 480億8249万 | -3.99% |
| 10/23 | 2,565 | 2,593 | 2,534 | 2,570 | +0.19% | 36,200 | 488億6200万 | -2.87% |
| 10/22 | 2,498 | 2,570 | 2,498 | 2,565 | +2.48% | 37,800 | 487億6693万 | -3.46% |
| 10/21 | 2,455 | 2,503 | 2,431 | 2,503 | +2.29% | 25,500 | 475億8816万 | -6.18% |
| 10/20 | 2,438 | 2,480 | 2,437 | 2,447 | +0.74% | 24,700 | 465億2347万 | -8.8% |
| 10/17 | 2,412 | 2,434 | 2,400 | 2,429 | -0.04% | 20,500 | 461億8124万 | -9.97% |
| 10/16 | 2,440 | 2,467 | 2,403 | 2,430 | -0.53% | 34,500 | 462億25万 | -10.4% |
| 10/15 | 2,456 | 2,473 | 2,432 | 2,443 | +0.29% | 36,900 | 464億4742万 | -10.38% |
| 10/14 | 2,402 | 2,465 | 2,399 | 2,436 | +0.45% | 50,600 | 463億1433万 | -11% |
| 10/10 | 2,507 | 2,538 | 2,425 | 2,425 | -4.72% | 52,000 | 461億519万 | -11.85% |
| 10/09 | 2,546 | 2,573 | 2,523 | 2,545 | -0.86% | 33,600 | 483億8669万 | -7.89% |
| 10/08 | 2,570 | 2,628 | 2,555 | 2,567 | -1.16% | 26,400 | 488億496万 | -7.3% |
| 10/07 | 2,638 | 2,638 | 2,597 | 2,597 | -2.55% | 33,200 | 493億7533万 | -6.38% |