| 2026 |
| 04/21 | 2,009 | 2,010 | 1,989 | 2,007 | +0.3% | 15,500 | 381億5799万 | -0.69% |
| 04/20 | 2,017 | 2,020 | 2,000 | 2,001 | -0.84% | 10,400 | 380億4391万 | -0.99% |
| 04/17 | 2,004 | 2,039 | 2,004 | 2,018 | -0.2% | 14,900 | 383億6712万 | -0.15% |
| 04/16 | 2,008 | 2,034 | 2,004 | 2,022 | +0.9% | 15,700 | 384億4317万 | +0.05% |
| 04/15 | (5%ルール)河端真一(10.06%) |
| 04/15 | 1,999 | 2,005 | 1,983 | 2,004 | +1.06% | 33,800 | 381億95万 | -0.84% |
| 04/14 | 1,971 | 1,985 | 1,960 | 1,983 | +0.66% | 19,800 | 377億169万 | -1.93% |
| 04/13 | 2,002 | 2,009 | 1,970 | 1,970 | -1.65% | 23,600 | 374億5453万 | -2.67% |
| 04/10 | 2,018 | 2,034 | 2,002 | 2,003 | -0.74% | 9,600 | 380億8194万 | -1.23% |
| 04/09 | 2,040 | 2,041 | 2,015 | 2,018 | -0.84% | 15,400 | 383億6712万 | -0.54% |
| 04/08 | (IR情報)11:30 主要株主の異動に関するお知らせ |
| 04/08 | 2,029 | 2,043 | 2,023 | 2,035 | +0.69% | 16,500 | 386億9033万 | +0.3% |
| 04/07 | 2,006 | 2,028 | 2,006 | 2,021 | +0.75% | 11,200 | 384億2416万 | -0.35% |
| 04/06 | 2,003 | 2,018 | 1,995 | 2,006 | -0.89% | 24,600 | 381億3897万 | -1.08% |
| 04/03 | 1,997 | 2,024 | 1,997 | 2,024 | +1.4% | 22,400 | 384億8120万 | -0.34% |
| 04/02 | 2,013 | 2,039 | 1,989 | 1,996 | -0.84% | 32,600 | 379億4885万 | -1.77% |
| 04/01 | 2,035 | 2,040 | 2,013 | 2,013 | -0.94% | 25,300 | 382億7206万 | -0.98% |
| 03/31 | 2,029 | 2,032 | 2,011 | 2,032 | +0.15% | 16,200 | 386億3330万 | -0.05% |
| 03/30 | 2,000 | 2,029 | 1,981 | 2,029 | -1.79% | 127,000 | 385億7626万 | -0.2% |
| 03/27 | 2,061 | 2,067 | 2,053 | 2,066 | +0.78% | 127,200 | 392億7972万 | +1.62% |
| 03/26 | 2,055 | 2,055 | 2,041 | 2,050 | -0.39% | 38,800 | 389億7552万 | +0.89% |
| 03/25 | 2,050 | 2,060 | 2,033 | 2,058 | +0.73% | 60,800 | 391億2762万 | +1.33% |
| 03/24 | 2,036 | 2,043 | 2,027 | 2,043 | +1.9% | 50,000 | 388億4243万 | +0.64% |
| 03/23 | 2,023 | 2,023 | 2,005 | 2,005 | -0.79% | 79,200 | 381億1996万 | -1.28% |
| 03/19 | 2,040 | 2,044 | 2,021 | 2,021 | -1.51% | 41,000 | 384億2416万 | -0.64% |
| 03/18 | 2,049 | 2,058 | 2,030 | 2,052 | +0.54% | 50,900 | 390億1355万 | +0.79% |
| 03/17 | 2,021 | 2,041 | 2,015 | 2,041 | +1.69% | 31,800 | 388億441万 | +0.29% |
| 03/16 | 2,006 | 2,013 | 2,001 | 2,007 | 0% | 34,900 | 381億5799万 | -1.28% |
| 03/13 | 2,005 | 2,022 | 2,001 | 2,007 | -0.64% | 48,100 | 381億5799万 | -1.23% |
| 03/12 | 2,034 | 2,034 | 2,009 | 2,020 | -0.05% | 64,100 | 384億515万 | -0.69% |
| 03/11 | 2,045 | 2,052 | 2,016 | 2,021 | -0.59% | 33,300 | 384億2416万 | -0.74% |
| 03/10 | 2,063 | 2,063 | 2,025 | 2,033 | -0.1% | 34,300 | 386億5231万 | -0.25% |
| 03/09 | 2,011 | 2,044 | 1,994 | 2,035 | -0.93% | 61,100 | 386億9033万 | -0.25% |
| 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% |