| 2026 |
| 04/21 | 1,505 | 1,510 | 1,499 | 1,504 | +0.27% | 59,600 | 780億6207万 | +1.48% |
| 04/20 | 1,503 | 1,507 | 1,497 | 1,500 | -0.27% | 76,500 | 778億5446万 | +1.42% |
| 04/17 | 1,505 | 1,520 | 1,500 | 1,504 | +0.27% | 61,000 | 780億6207万 | +1.9% |
| 04/16 | 1,522 | 1,522 | 1,494 | 1,500 | -0.53% | 52,700 | 778億5446万 | +1.9% |
| 04/15 | 1,504 | 1,512 | 1,491 | 1,508 | +0.53% | 66,100 | 782億6968万 | +2.52% |
| 04/14 | 1,501 | 1,503 | 1,492 | 1,500 | -0.13% | 67,900 | 778億5446万 | +2.18% |
| 04/13 | 1,512 | 1,519 | 1,498 | 1,502 | -0.2% | 65,500 | 779億5826万 | +2.53% |
| 04/10 | 1,504 | 1,506 | 1,480 | 1,505 | +0.27% | 168,400 | 781億1397万 | +2.94% |
| 04/09 | 1,515 | 1,524 | 1,499 | 1,501 | -0.92% | 106,500 | 779億636万 | +2.81% |
| 04/08 | 1,528 | 1,529 | 1,508 | 1,515 | -0.33% | 86,700 | 786億3300万 | +4.05% |
| 04/07 | 1,488 | 1,521 | 1,488 | 1,520 | +2.22% | 128,500 | 788億9252万 | +4.47% |
| 04/06 | 1,478 | 1,487 | 1,472 | 1,487 | +1.36% | 70,500 | 771億7972万 | +2.34% |
| 04/03 | 1,484 | 1,487 | 1,465 | 1,467 | -1.15% | 47,800 | 761億4166万 | +0.96% |
| 04/02 | 1,494 | 1,503 | 1,476 | 1,484 | -0.34% | 93,600 | 770億2401万 | +2.27% |
| 04/01 | 1,467 | 1,489 | 1,465 | 1,489 | +1.64% | 86,500 | 772億8353万 | +2.9% |
| 03/31 | 1,450 | 1,479 | 1,446 | 1,465 | +1.81% | 133,100 | 760億3785万 | +1.38% |
| 03/30 | 1,403 | 1,440 | 1,397 | 1,439 | -3.42% | 179,500 | 746億8838万 | -0.21% |
| 03/27 | 1,480 | 1,493 | 1,477 | 1,490 | +0.68% | 168,900 | 773億3543万 | +3.4% |
| 03/26 | 1,493 | 1,496 | 1,471 | 1,480 | -1.07% | 106,800 | 768億1640万 | +2.92% |
| 03/25 | 1,480 | 1,496 | 1,476 | 1,496 | +2.33% | 159,800 | 776億4685万 | +4.32% |
| 03/24 | 1,442 | 1,462 | 1,437 | 1,462 | +3.25% | 167,100 | 758億8215万 | +2.31% |
| 03/23 | 1,426 | 1,426 | 1,394 | 1,416 | -1.87% | 238,700 | 734億9461万 | -0.63% |
| 03/19 | 1,432 | 1,448 | 1,430 | 1,443 | -0.21% | 198,100 | 748億9599万 | +1.33% |
| 03/18 | 1,438 | 1,446 | 1,435 | 1,446 | +1.26% | 57,800 | 750億5170万 | +1.69% |
| 03/17 | 1,428 | 1,435 | 1,425 | 1,428 | +0.71% | 55,300 | 741億1744万 | +0.56% |
| 03/16 | 1,418 | 1,427 | 1,412 | 1,418 | -0.42% | 61,800 | 735億9841万 | -0.14% |
| 03/13 | 1,413 | 1,434 | 1,413 | 1,424 | -0.07% | 119,600 | 739億983万 | +0.35% |
| 03/12 | 1,454 | 1,454 | 1,419 | 1,425 | -1.99% | 117,600 | 739億6174万 | +0.42% |
| 03/11 | 1,455 | 1,472 | 1,451 | 1,454 | +0.48% | 85,800 | 754億6692万 | +2.54% |
| 03/10 | 1,444 | 1,452 | 1,432 | 1,447 | +1.69% | 110,800 | 751億360万 | +2.19% |
| 03/09 | 1,400 | 1,433 | 1,385 | 1,423 | -0.7% | 224,400 | 738億5793万 | +0.64% |
| 03/06 | 1,433 | 1,435 | 1,415 | 1,433 | -0.56% | 96,700 | 743億7696万 | +1.42% |
| 03/05 | 1,445 | 1,461 | 1,434 | 1,441 | +1.62% | 130,500 | 747億9218万 | +2.13% |
| 03/04 | 1,457 | 1,459 | 1,402 | 1,418 | -3.99% | 263,600 | 735億9841万 | +0.5% |
| 03/03 | 1,483 | 1,503 | 1,470 | 1,477 | -0.27% | 277,900 | 766億6069万 | +4.6% |
| 03/02 | (IR情報)15:00 (訂正)「株主優待制度の拡充に関するお知らせ」の一部訂正について |
| 03/02 | (IR情報)15:00 連結子会社(株式会社ケーエスケー)の人事異動に関するお知らせ |
| 03/02 | 1,477 | 1,493 | 1,468 | 1,481 | -0.6% | 302,700 | 768億6830万 | +4.96% |
| 02/27 | 1,465 | 1,490 | 1,456 | 1,490 | +6.5% | 365,600 | 773億3543万 | +5.67% |
| 02/26 | (IR情報)16:00 株主優待制度の拡充に関するお知らせ |
| 02/26 | (IR情報)16:00 人事異動に関するお知らせ |
| 02/26 | 1,400 | 1,410 | 1,395 | 1,399 | -0.07% | 115,500 | 726億1226万 | -0.57% |
| 02/25 | 1,439 | 1,439 | 1,397 | 1,400 | -2.3% | 185,000 | 726億6416万 | -0.57% |
| 02/24 | 1,409 | 1,436 | 1,405 | 1,433 | +2.5% | 144,800 | 743億7696万 | +1.63% |
| 02/20 | 1,396 | 1,405 | 1,378 | 1,398 | -0.43% | 193,000 | 725億6036万 | -0.92% |
| 02/19 | 1,407 | 1,410 | 1,389 | 1,404 | -0.07% | 99,900 | 728億7177万 | -0.64% |
| 02/18 | 1,392 | 1,415 | 1,391 | 1,405 | +1.89% | 134,400 | 729億2368万 | -0.78% |
| 02/17 | 1,378 | 1,381 | 1,367 | 1,379 | +0.36% | 158,400 | 715億7420万 | -2.75% |
| 02/16 | 1,383 | 1,384 | 1,360 | 1,374 | +0.07% | 125,600 | 713億1468万 | -3.24% |
| 02/13 | (IR情報)14:00 連結子会社(株式会社バイタルネット)の組織変更および人事異動に関するお知らせ |
| 02/13 | 1,384 | 1,384 | 1,368 | 1,373 | -0.44% | 106,200 | 712億6278万 | -3.51% |
| 02/12 | 1,393 | 1,396 | 1,366 | 1,379 | -1.01% | 281,200 | 715億7420万 | -3.3% |
| 02/10 | (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) |
| 02/10 | 1,420 | 1,439 | 1,379 | 1,393 | -1.28% | 249,800 | 723億84万 | -2.45% |
| 02/09 | 1,435 | 1,435 | 1,408 | 1,411 | -0.14% | 105,900 | 732億3509万 | -1.26% |
| 02/06 | 1,413 | 1,421 | 1,406 | 1,413 | 0% | 82,900 | 733億3890万 | -0.98% |
| 02/05 | 1,423 | 1,424 | 1,407 | 1,413 | +0.43% | 60,600 | 733億3890万 | -0.91% |
| 02/04 | 1,411 | 1,413 | 1,402 | 1,407 | -0.14% | 53,900 | 730億2748万 | -1.19% |
| 02/03 | 1,402 | 1,415 | 1,394 | 1,409 | +1.15% | 64,400 | 731億3129万 | -0.98% |
| 02/02 | 1,413 | 1,416 | 1,392 | 1,393 | -0.64% | 95,700 | 723億84万 | -2.04% |
| 01/30 | 1,388 | 1,404 | 1,387 | 1,402 | +0.79% | 98,700 | 727億6797万 | -1.34% |
| 01/29 | 1,393 | 1,397 | 1,375 | 1,391 | -0.86% | 112,100 | 721億9703万 | -2.04% |
| 01/28 | 1,429 | 1,432 | 1,398 | 1,403 | -2.09% | 110,100 | 728億1987万 | -1.13% |
| 01/27 | 1,420 | 1,433 | 1,408 | 1,433 | +0.14% | 111,300 | 743億7696万 | +1.13% |
| 01/26 | 1,446 | 1,449 | 1,422 | 1,431 | -1.99% | 151,400 | 742億7315万 | +1.27% |
| 01/23 | 1,449 | 1,460 | 1,446 | 1,460 | +0.9% | 89,800 | 757億7834万 | +3.62% |
| 01/22 | 1,431 | 1,450 | 1,431 | 1,447 | +1.47% | 94,400 | 751億360万 | +3.06% |
| 01/21 | 1,431 | 1,431 | 1,417 | 1,426 | -0.35% | 88,500 | 740億1364万 | +1.93% |
| 01/20 | 1,447 | 1,448 | 1,430 | 1,431 | -0.97% | 80,400 | 742億7315万 | +2.73% |
| 01/19 | 1,453 | 1,456 | 1,443 | 1,445 | -0.41% | 73,500 | 749億9980万 | +4.11% |
| 01/16 | 1,457 | 1,458 | 1,438 | 1,451 | -0.82% | 94,400 | 753億1121万 | +4.99% |
| 01/15 | 1,466 | 1,473 | 1,458 | 1,463 | -0.41% | 80,400 | 759億3405万 | +6.32% |
| 01/14 | 1,457 | 1,469 | 1,451 | 1,469 | +1.52% | 78,000 | 762億4547万 | +7.3% |
| 01/13 | 1,460 | 1,460 | 1,440 | 1,447 | +0.14% | 97,400 | 751億360万 | +6.32% |
| 01/09 | 1,448 | 1,457 | 1,437 | 1,445 | -0.21% | 85,400 | 749億9980万 | +6.56% |
| 01/08 | 1,444 | 1,453 | 1,443 | 1,448 | +0.56% | 53,800 | 751億5550万 | +7.26% |
| 01/07 | 1,421 | 1,451 | 1,421 | 1,440 | +0.98% | 103,800 | 747億4028万 | +7.14% |
| 01/06 | 1,420 | 1,434 | 1,417 | 1,426 | +1.06% | 143,600 | 740億1364万 | +6.42% |
| 01/05 | 1,397 | 1,411 | 1,383 | 1,411 | +2.99% | 135,800 | 732億3509万 | +5.69% |
| 2025 |
| 12/30 | 1,378 | 1,384 | 1,370 | 1,370 | -1.01% | 60,900 | 711億707万 | +2.85% |
| 12/29 | 1,378 | 1,388 | 1,375 | 1,384 | +0.36% | 89,800 | 718億3371万 | +4.14% |
| 12/26 | 1,383 | 1,385 | 1,370 | 1,379 | -0.22% | 103,200 | 715億7420万 | +4.08% |
| 12/25 | 1,390 | 1,391 | 1,373 | 1,382 | +0.66% | 156,000 | 717億2991万 | +4.7% |
| 12/24 | 1,379 | 1,381 | 1,363 | 1,373 | -0.22% | 109,500 | 712億6278万 | +4.41% |
| 12/23 | 1,370 | 1,388 | 1,368 | 1,376 | -0.15% | 113,400 | 714億1849万 | +4.96% |
| 12/22 | 1,364 | 1,380 | 1,356 | 1,378 | +1.7% | 254,200 | 715億2230万 | +5.43% |
| 12/19 | 1,355 | 1,364 | 1,350 | 1,355 | +0.37% | 84,300 | 703億2853万 | +4.07% |
| 12/18 | 1,339 | 1,363 | 1,337 | 1,350 | +1.2% | 129,800 | 700億6901万 | +3.93% |
| 12/17 | 1,334 | 1,342 | 1,331 | 1,334 | +0.08% | 81,600 | 692億3856万 | +2.93% |
| 12/16 | 1,344 | 1,344 | 1,333 | 1,333 | 0% | 69,900 | 691億8666万 | +3.17% |
| 12/15 | 1,323 | 1,340 | 1,323 | 1,333 | +1.06% | 114,600 | 691億8666万 | +3.49% |
| 12/12 | 1,303 | 1,319 | 1,300 | 1,319 | +2.25% | 105,300 | 684億6002万 | +2.65% |
| 12/11 | 1,307 | 1,307 | 1,287 | 1,290 | -0.62% | 59,500 | 669億5483万 | +0.7% |
| 12/10 | 1,293 | 1,307 | 1,293 | 1,298 | +0.62% | 93,600 | 673億7006万 | +1.49% |
| 12/09 | 1,300 | 1,305 | 1,285 | 1,290 | -0.92% | 41,000 | 669億5483万 | +1.02% |
| 12/08 | 1,289 | 1,307 | 1,289 | 1,302 | +1.48% | 70,900 | 675億7767万 | +2.12% |
| 12/05 | 1,286 | 1,291 | 1,283 | 1,283 | -0.62% | 83,800 | 665億9151万 | +0.79% |
| 12/04 | 1,292 | 1,297 | 1,284 | 1,291 | -0.92% | 98,900 | 670億674万 | +1.57% |
| 12/03 | 1,292 | 1,304 | 1,288 | 1,303 | +0.23% | 112,600 | 676億2957万 | +2.6% |
| 12/02 | 1,304 | 1,304 | 1,290 | 1,300 | -0.76% | 114,100 | 674億7386万 | +2.36% |
| 12/01 | (IR情報)14:00 連結子会社(株式会社ケーエスケー)による八千代ケアホールディングス株式会社の子会社化に関するお知らせ |
| 12/01 | 1,325 | 1,334 | 1,309 | 1,310 | -1.06% | 134,600 | 679億9289万 | +3.23% |
| 11/28 | 1,310 | 1,333 | 1,306 | 1,324 | +1.85% | 145,800 | 687億1954万 | +4.33% |
| 11/27 | 1,332 | 1,333 | 1,296 | 1,300 | -2.84% | 203,500 | 674億7386万 | +2.52% |
| 11/26 | 1,307 | 1,338 | 1,307 | 1,338 | +2.61% | 211,800 | 694億4618万 | +5.52% |
| 11/25 | 1,299 | 1,306 | 1,287 | 1,304 | +1.4% | 159,600 | 676億8148万 | +3% |
| 11/21 | 1,254 | 1,287 | 1,254 | 1,286 | +2.55% | 327,100 | 667億4722万 | +1.58% |
| 11/14 | (IR情報)14:00 2026年3月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 11/14 | (IR情報)14:00 連結子会社(株式会社メドリープファーマ)による肺動脈性肺高血圧症(PAH)を対象とした「マルトール第二鉄」の国内第2相臨床試験開始に関するお知らせ |
| 11/14 | (IR情報)14:00 営業外収益の計上及び「投資有価証券売却益(特別利益)の計上に関するお知らせ」の内容の一部変更に関するお知らせ |
| 11/14 | (IR情報)14:00 2026年3月期連結業績予想の修正に関するお知らせ |