| 2026 |
| 01/20 | 1,600 | 1,604 | 1,590 | 1,594 | -0.5% | 86,900 | 1136億5220万 | +0.44% |
| 01/19 | 1,614 | 1,616 | 1,595 | 1,602 | -0.56% | 74,800 | 1142億2260万 | +1.07% |
| 01/16 | 1,602 | 1,611 | 1,590 | 1,611 | 0% | 75,100 | 1148億6430万 | +1.9% |
| 01/15 | 1,613 | 1,620 | 1,601 | 1,611 | -0.86% | 95,400 | 1148億6430万 | +2.16% |
| 01/14 | 1,621 | 1,629 | 1,608 | 1,625 | +0.74% | 137,200 | 1158億6250万 | +3.24% |
| 01/13 | 1,616 | 1,633 | 1,603 | 1,613 | +0.69% | 166,100 | 1150億690万 | +2.74% |
| 01/09 | 1,619 | 1,629 | 1,597 | 1,602 | -1.11% | 98,200 | 1142億2260万 | +2.43% |
| 01/08 | 1,604 | 1,622 | 1,604 | 1,620 | -0.18% | 128,900 | 1155億600万 | +3.85% |
| 01/07 | 1,633 | 1,645 | 1,623 | 1,623 | -0.37% | 190,400 | 1157億1990万 | +4.31% |
| 01/06 | 1,633 | 1,634 | 1,618 | 1,629 | +0.74% | 116,600 | 1161億4770万 | +4.96% |
| 01/05 | 1,576 | 1,618 | 1,576 | 1,617 | +2.6% | 205,200 | 1152億9210万 | +4.46% |
| 2025 |
| 12/30 | 1,594 | 1,594 | 1,576 | 1,576 | -0.94% | 73,000 | 1123億6880万 | +2.01% |
| 12/29 | 1,584 | 1,591 | 1,565 | 1,591 | +1.34% | 109,300 | 1134億3830万 | +3.11% |
| 12/26 | 1,571 | 1,574 | 1,563 | 1,570 | -0.63% | 75,700 | 1119億4100万 | +2.01% |
| 12/25 | 1,576 | 1,584 | 1,563 | 1,580 | +0.06% | 50,000 | 1126億5400万 | +2.93% |
| 12/24 | 1,598 | 1,604 | 1,575 | 1,579 | -1% | 73,500 | 1125億8270万 | +3.2% |
| 12/23 | 1,590 | 1,603 | 1,587 | 1,595 | +0.5% | 86,600 | 1137億2350万 | +4.52% |
| 12/22 | 1,595 | 1,599 | 1,575 | 1,587 | -0.19% | 104,900 | 1131億5310万 | +4.34% |
| 12/19 | （IR情報）17:00 本社移転に関するお知らせ |
| 12/19 | 1,550 | 1,590 | 1,547 | 1,590 | +2.58% | 182,300 | 1133億6700万 | +4.88% |
| 12/18 | 1,550 | 1,557 | 1,535 | 1,550 | +0.52% | 98,500 | 1105億1500万 | +2.58% |
| 12/17 | 1,556 | 1,561 | 1,537 | 1,542 | -0.84% | 88,300 | 1099億4460万 | +2.32% |
| 12/16 | 1,557 | 1,568 | 1,548 | 1,555 | -0.38% | 97,800 | 1108億7150万 | +3.39% |
| 12/15 | 1,553 | 1,561 | 1,546 | 1,561 | +1.69% | 125,500 | 1112億9930万 | +4.07% |
| 12/12 | 1,551 | 1,552 | 1,521 | 1,535 | +0.39% | 145,100 | 1094億4550万 | +2.61% |
| 12/11 | 1,528 | 1,535 | 1,520 | 1,529 | +0.26% | 124,800 | 1090億1770万 | +2.41% |
| 12/10 | 1,520 | 1,534 | 1,516 | 1,525 | +0.79% | 74,800 | 1087億3250万 | +2.35% |
| 12/09 | （IR情報）15:40 スポンサードレポートの発行のお知らせ |
| 12/09 | 1,507 | 1,520 | 1,504 | 1,513 | 0% | 74,500 | 1078億7690万 | +1.75% |
| 12/08 | 1,537 | 1,542 | 1,505 | 1,513 | -1.24% | 105,500 | 1078億7690万 | +1.89% |
| 12/05 | 1,511 | 1,543 | 1,508 | 1,532 | +0.79% | 139,200 | 1092億3160万 | +3.3% |
| 12/04 | 1,476 | 1,520 | 1,473 | 1,520 | +2.84% | 149,800 | 1083億7600万 | +2.7% |
| 12/03 | 1,489 | 1,490 | 1,478 | 1,478 | -0.94% | 96,000 | 1053億8140万 | -0.07% |
| 12/02 | 1,510 | 1,512 | 1,490 | 1,492 | -1.45% | 117,900 | 1063億7960万 | +0.67% |
| 12/01 | （IR情報）15:40 日本ライフライン「統合報告書2025」発行のお知らせ |
| 12/01 | 1,539 | 1,539 | 1,513 | 1,514 | -1.62% | 104,500 | 1079億4820万 | +2.02% |
| 11/28 | （IR情報）15:40 組織変更および人事異動に関するお知らせ |
| 11/28 | 1,526 | 1,539 | 1,522 | 1,539 | +0.79% | 98,300 | 1097億3070万 | +3.64% |
| 11/27 | 1,537 | 1,539 | 1,522 | 1,527 | -0.78% | 122,500 | 1088億7510万 | +2.9% |
| 11/26 | 1,522 | 1,544 | 1,520 | 1,539 | +1.45% | 144,000 | 1097億3070万 | +3.71% |
| 11/25 | 1,495 | 1,520 | 1,488 | 1,517 | +1.95% | 161,500 | 1081億6210万 | +2.29% |
| 11/21 | 1,452 | 1,499 | 1,452 | 1,488 | +1.5% | 297,000 | 1060億9440万 | +0.34% |
| 11/20 | 1,470 | 1,477 | 1,466 | 1,466 | +0.14% | 81,900 | 1045億2580万 | -1.21% |
| 11/19 | 1,470 | 1,474 | 1,454 | 1,464 | -0.68% | 137,800 | 1043億8320万 | -1.48% |
| 11/18 | 1,474 | 1,481 | 1,469 | 1,474 | +0.2% | 140,400 | 1050億9620万 | -0.81% |
| 11/17 | 1,459 | 1,478 | 1,452 | 1,471 | +0.55% | 109,800 | 1048億8230万 | -1.14% |
| 11/14 | 1,454 | 1,469 | 1,450 | 1,463 | +0.07% | 76,600 | 1043億1190万 | -1.81% |
| 11/13 | 1,457 | 1,467 | 1,454 | 1,462 | +0.34% | 98,800 | 1042億4060万 | -2.08% |
| 11/12 | 1,465 | 1,480 | 1,457 | 1,457 | -0.48% | 97,400 | 1038億8410万 | -2.61% |
| 11/11 | 1,473 | 1,473 | 1,448 | 1,464 | -0.27% | 77,600 | 1043億8320万 | -2.33% |
| 11/10 | 1,468 | 1,475 | 1,459 | 1,468 | +0.69% | 77,600 | 1046億6840万 | -2.13% |
| 11/07 | 1,442 | 1,458 | 1,440 | 1,458 | +0.9% | 52,600 | 1039億5540万 | -2.8% |
| 11/06 | 1,452 | 1,459 | 1,445 | 1,445 | -0.69% | 61,000 | 1030億2850万 | -3.67% |
| 11/05 | 1,490 | 1,490 | 1,445 | 1,455 | -0.55% | 149,000 | 1037億4150万 | -3.19% |
| 11/04 | 1,446 | 1,480 | 1,446 | 1,463 | -0.07% | 114,200 | 1043億1190万 | -2.79% |
| 10/31 | 1,462 | 1,467 | 1,446 | 1,464 | +0.62% | 146,400 | 1043億8320万 | -2.85% |
| 10/30 | 1,431 | 1,463 | 1,420 | 1,455 | +0.07% | 246,200 | 1037億4150万 | -3.58% |
| 10/29 | （IR情報）15:40 2026年3月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 10/29 | 1,491 | 1,495 | 1,454 | 1,454 | -3.32% | 143,400 | 1036億7020万 | -3.84% |
| 10/28 | 1,532 | 1,537 | 1,501 | 1,504 | -2.91% | 95,000 | 1072億3520万 | -0.73% |
| 10/27 | 1,548 | 1,555 | 1,538 | 1,549 | +0.98% | 88,700 | 1104億4370万 | +2.18% |
| 10/24 | 1,537 | 1,540 | 1,529 | 1,534 | -0.26% | 72,700 | 1093億7420万 | +1.19% |
| 10/23 | 1,520 | 1,544 | 1,513 | 1,538 | +1.18% | 98,700 | 1096億5940万 | +1.45% |
| 10/22 | 1,525 | 1,530 | 1,508 | 1,520 | -0.13% | 141,600 | 1083億7600万 | +0.26% |
| 10/21 | 1,533 | 1,536 | 1,511 | 1,522 | -0.65% | 109,500 | 1085億1860万 | +0.33% |
| 10/20 | 1,546 | 1,546 | 1,527 | 1,532 | +1.06% | 70,400 | 1092億3160万 | +1.06% |
| 10/17 | 1,517 | 1,524 | 1,507 | 1,516 | +0.53% | 84,800 | 1080億9080万 | +0.07% |
| 10/16 | 1,510 | 1,519 | 1,504 | 1,508 | +0.07% | 66,100 | 1075億2040万 | -0.53% |
| 10/15 | （IR情報）15:40 日本ライフラインの胆管拡張用カテーテルRIGELが2025年度グッドデザイン賞を受賞 |
| 10/15 | 1,494 | 1,507 | 1,483 | 1,507 | +2.45% | 129,800 | 1074億4910万 | -0.66% |
| 10/14 | 1,485 | 1,504 | 1,468 | 1,471 | -2.71% | 145,000 | 1048億8230万 | -3.1% |
| 10/10 | 1,518 | 1,527 | 1,510 | 1,512 | -1.5% | 94,800 | 1078億560万 | -0.46% |
| 10/09 | 1,517 | 1,542 | 1,517 | 1,535 | +0.99% | 92,300 | 1094億4550万 | +1.05% |
| 10/08 | 1,509 | 1,550 | 1,509 | 1,520 | -1.49% | 140,200 | 1083億7600万 | +0.13% |
| 10/07 | 1,545 | 1,552 | 1,538 | 1,543 | -0.13% | 145,800 | 1100億1590万 | +1.71% |
| 10/06 | 1,521 | 1,545 | 1,516 | 1,545 | +3.48% | 171,600 | 1101億5850万 | +2.12% |
| 10/03 | 1,468 | 1,493 | 1,466 | 1,493 | +2.61% | 106,200 | 1064億5090万 | -1.06% |
| 10/02 | 1,465 | 1,470 | 1,441 | 1,455 | -0.48% | 118,800 | 1037億4150万 | -3.51% |
| 10/01 | 1,500 | 1,501 | 1,455 | 1,462 | -2.99% | 154,700 | 1042億4060万 | -3.05% |
| 09/30 | 1,501 | 1,513 | 1,494 | 1,507 | -0.2% | 130,800 | 1074億4910万 | -0.07% |
| 09/29 | 1,525 | 1,525 | 1,503 | 1,510 | -0.85% | 118,100 | 1076億6300万 | +0.13% |
| 09/26 | 1,504 | 1,523 | 1,501 | 1,523 | +0.93% | 221,000 | 1085億8990万 | +1.13% |
| 09/25 | 1,520 | 1,521 | 1,505 | 1,509 | -1.11% | 186,000 | 1075億9170万 | +0.33% |
| 09/24 | 1,526 | 1,532 | 1,515 | 1,526 | 0% | 109,500 | 1088億380万 | +1.53% |
| 09/22 | 1,531 | 1,540 | 1,518 | 1,526 | -0.46% | 110,600 | 1088億380万 | +1.73% |
| 09/19 | 1,556 | 1,562 | 1,522 | 1,533 | -1.22% | 197,300 | 1093億290万 | +2.47% |
| 09/18 | 1,533 | 1,555 | 1,522 | 1,552 | +1.11% | 148,100 | 1106億5760万 | +4.02% |
| 09/17 | 1,545 | 1,545 | 1,524 | 1,535 | -0.71% | 95,300 | 1094億4550万 | +3.09% |
| 09/16 | 1,530 | 1,554 | 1,525 | 1,546 | +0.72% | 111,000 | 1102億2980万 | +4.04% |
| 09/12 | 1,512 | 1,573 | 1,511 | 1,535 | +2.47% | 359,900 | 1094億4550万 | +3.65% |
| 09/11 | （IR情報）15:30 Heartseed社との業務提携に関するお知らせ |
| 09/11 | 1,504 | 1,506 | 1,488 | 1,498 | -1.12% | 109,800 | 1068億740万 | +1.49% |
| 09/10 | 1,527 | 1,537 | 1,514 | 1,515 | -0.85% | 122,600 | 1080億1950万 | +2.85% |
| 09/09 | 1,544 | 1,545 | 1,518 | 1,528 | -0.52% | 192,300 | 1089億4640万 | +4.09% |
| 09/08 | （5%ルール）RMアセットマネジメント（1.36%）M.S MEDICAL（1.36%）MM商会（1.36%）エムティ商会（1.36%）増本武司（0.42%）MSJ商会（1.36%） |
| 09/08 | 1,536 | 1,545 | 1,532 | 1,536 | +0.79% | 131,500 | 1095億1680万 | +4.99% |
| 09/05 | （IR情報）15:40 組織変更および人事異動に関するお知らせ |
| 09/05 | 1,516 | 1,530 | 1,510 | 1,524 | +0.86% | 145,100 | 1086億6120万 | +4.6% |
| 09/04 | 1,518 | 1,520 | 1,505 | 1,511 | -0.26% | 118,800 | 1077億3430万 | +3.92% |
| 09/03 | 1,510 | 1,520 | 1,505 | 1,515 | +0.6% | 147,100 | 1080億1950万 | +4.34% |
| 09/02 | 1,495 | 1,507 | 1,484 | 1,506 | +1.41% | 214,500 | 1073億7780万 | +3.93% |
| 09/01 | 1,456 | 1,488 | 1,455 | 1,485 | +2.48% | 195,000 | 1058億8050万 | +2.63% |
| 08/29 | （5%ルール）鈴木啓介（1.43%）KS商事（14.4%） |
| 08/29 | 1,451 | 1,459 | 1,448 | 1,449 | -0.21% | 126,400 | 1033億1370万 | +0.14% |
| 08/28 | 1,457 | 1,464 | 1,452 | 1,452 | -0.34% | 115,000 | 1035億2760万 | +0.35% |
| 08/27 | 1,465 | 1,465 | 1,452 | 1,457 | 0% | 161,800 | 1038億8410万 | +0.69% |
| 08/26 | 1,473 | 1,477 | 1,455 | 1,457 | -1.15% | 158,200 | 1038億8410万 | +0.76% |
| 08/25 | 1,499 | 1,500 | 1,461 | 1,474 | -0.81% | 137,200 | 1050億9620万 | +2.01% |
| 08/22 | 1,485 | 1,495 | 1,477 | 1,486 | +0.34% | 115,900 | 1059億5180万 | +2.91% |
| 08/21 | 1,480 | 1,483 | 1,460 | 1,481 | +0.61% | 137,900 | 1055億9530万 | +2.7% |
| 08/19 | （IR情報）15:40 有償ストック・オプション(新株予約権)の発行内容確定に関するお知らせ |
