| 2021 |
| 09/28 | 515 | 527 | 513 | 527 | +1.93% | 24,300 | 84億8470万 | +7.55% |
| 09/27 | 513 | 518 | 513 | 517 | +1.57% | 18,800 | 83億2370万 | +6.16% |
| 09/24 | 515 | 515 | 507 | 509 | +0.59% | 16,600 | 81億9490万 | +4.95% |
| 09/22 | 508 | 511 | 503 | 506 | -0.59% | 4,100 | 81億4660万 | +4.76% |
| 09/21 | 505 | 510 | 502 | 509 | -1.17% | 8,700 | 81億9490万 | +5.6% |
| 09/17 | 511 | 515 | 507 | 515 | +0.78% | 11,400 | 82億9150万 | +7.07% |
| 09/16 | 504 | 515 | 504 | 511 | +0.79% | 6,900 | 82億2710万 | +6.68% |
| 09/15 | 509 | 517 | 506 | 507 | -0.59% | 4,500 | 81億6270万 | +5.85% |
| 09/14 | 499 | 510 | 499 | 510 | +3.24% | 8,500 | 82億1100万 | +6.69% |
| 09/13 | 486 | 496 | 486 | 494 | +0.82% | 13,800 | 79億5340万 | +3.56% |
| 09/10 | 492 | 492 | 485 | 490 | +1.87% | 5,600 | 78億8900万 | +2.73% |
| 09/09 | 491 | 492 | 480 | 481 | -2.04% | 15,800 | 77億4410万 | +0.63% |
| 09/08 | 486 | 493 | 486 | 491 | +1.03% | 5,000 | 79億510万 | +2.08% |
| 09/07 | 487 | 490 | 485 | 486 | +0.83% | 9,200 | 78億2460万 | +0.62% |
| 09/06 | 486 | 490 | 481 | 482 | +0.84% | 9,000 | 77億6020万 | -0.62% |
| 09/03 | 471 | 481 | 471 | 478 | +0.84% | 10,300 | 76億9580万 | -1.85% |
| 09/02 | 470 | 474 | 468 | 474 | -0.21% | 10,100 | 76億3140万 | -3.27% |
| 09/01 | （IR情報）16:00 インフロニア・ホールディングス株式会社の新規上場承認に関するお知らせ |
| 09/01 | 479 | 480 | 475 | 475 | -0.21% | 2,800 | 76億4750万 | -3.65% |
| 08/31 | 477 | 477 | 471 | 476 | -0.21% | 10,900 | 76億6360万 | -3.84% |
| 08/30 | 467 | 478 | 467 | 477 | +2.14% | 15,300 | 76億7970万 | -4.22% |
| 08/27 | （IR情報）14:00 自己株式の消却に関するお知らせ |
| 08/27 | 468 | 468 | 467 | 467 | -0.43% | 1,800 | 75億1870万 | -6.6% |
| 08/26 | 463 | 471 | 462 | 469 | +0.64% | 4,300 | 75億5090万 | -6.76% |
| 08/25 | 472 | 474 | 466 | 466 | +0.22% | 4,800 | 75億260万 | -8.09% |
| 08/24 | 463 | 468 | 461 | 465 | +0.65% | 3,100 | 74億8650万 | -8.82% |
| 08/23 | 455 | 463 | 455 | 462 | +1.99% | 1,600 | 74億3820万 | -10.12% |
| 08/20 | 465 | 465 | 453 | 453 | -2.58% | 2,700 | 72億9330万 | -12.55% |
| 08/19 | 470 | 470 | 465 | 465 | -1.06% | 5,400 | 74億8650万 | -11.09% |
| 08/18 | 472 | 479 | 470 | 470 | -0.42% | 3,100 | 75億6700万 | -10.65% |
| 08/17 | 480 | 481 | 468 | 472 | -1.67% | 4,100 | 75億9920万 | -10.78% |
| 08/16 | 485 | 486 | 476 | 480 | -1.23% | 2,800 | 77億2800万 | -9.94% |
| 08/13 | 490 | 492 | 486 | 486 | -0.41% | 800 | 78億2460万 | -9.33% |
| 08/12 | 488 | 489 | 485 | 488 | 0% | 5,000 | 78億5680万 | -9.46% |
| 08/11 | 488 | 491 | 480 | 488 | -0.2% | 4,600 | 78億5680万 | -9.96% |
| 08/10 | 490 | 503 | 486 | 489 | -0.2% | 5,800 | 78億7290万 | -10.28% |
| 08/06 | （IR情報）14:00 2022年3月期第1四半期決算短信〔日本基準〕(連結) |
| 08/06 | 524 | 538 | 488 | 490 | -7.02% | 7,100 | 78億8900万 | -10.58% |
| 08/05 | 531 | 538 | 527 | 527 | -2.59% | 8,400 | 84億8470万 | -4.36% |
| 08/04 | 538 | 541 | 538 | 541 | 0% | 1,000 | 87億1010万 | -1.99% |
| 08/03 | 538 | 545 | 534 | 541 | 0% | 2,700 | 87億1010万 | -1.99% |
| 08/02 | 530 | 543 | 529 | 541 | +2.08% | 16,100 | 87億1010万 | -1.99% |
| 07/30 | 554 | 554 | 529 | 530 | -2.93% | 4,900 | 85億3300万 | -4.16% |
| 07/29 | 543 | 546 | 543 | 546 | -1.27% | 200 | 87億9060万 | -1.44% |
| 07/27 | 542 | 557 | 542 | 553 | +2.22% | 2,800 | 89億330万 | -0.18% |
| 07/26 | 557 | 557 | 538 | 541 | 0% | 9,800 | 87億1010万 | -2.35% |
| 07/21 | 531 | 548 | 530 | 541 | +0.56% | 8,900 | 87億1010万 | -2.52% |
| 07/20 | 539 | 539 | 533 | 538 | -0.37% | 1,000 | 86億6180万 | -3.24% |
| 07/19 | 550 | 550 | 540 | 540 | -1.82% | 1,900 | 86億9400万 | -3.05% |
| 07/16 | 560 | 561 | 549 | 550 | -1.08% | 4,500 | 88億5500万 | -1.43% |
| 07/15 | 563 | 563 | 556 | 556 | -2.11% | 700 | 89億5160万 | -0.36% |
| 07/14 | 567 | 570 | 567 | 568 | +0.18% | 900 | 91億4480万 | +1.61% |
| 07/13 | 561 | 568 | 561 | 567 | +0.89% | 3,400 | 91億2870万 | +1.43% |
| 07/12 | 561 | 562 | 551 | 562 | +3.12% | 9,800 | 90億4820万 | +0.54% |
| 07/09 | 546 | 548 | 535 | 545 | -1.09% | 3,500 | 87億7450万 | -2.68% |
| 07/08 | 550 | 556 | 549 | 551 | -0.9% | 2,100 | 88億7110万 | -1.61% |
| 07/07 | 565 | 565 | 556 | 556 | -1.59% | 1,400 | 89億5160万 | -0.89% |
| 07/06 | 562 | 566 | 561 | 565 | +0.36% | 2,800 | 90億9650万 | +0.71% |
| 07/05 | 566 | 567 | 563 | 563 | -0.53% | 3,400 | 90億6430万 | +0.54% |
| 07/02 | 566 | 566 | 559 | 566 | +1.07% | 2,200 | 91億1260万 | +1.07% |
| 06/30 | 567 | 567 | 560 | 560 | -0.18% | 700 | 90億1600万 | 0% |
| 06/29 | 563 | 563 | 556 | 561 | -0.36% | 2,200 | 90億3210万 | +0.18% |
| 06/28 | 555 | 563 | 555 | 563 | +2.18% | 1,800 | 90億6430万 | +0.36% |
| 06/25 | （IR情報）15:00 前田建設工業(株)、前田道路(株)および(株)前田製作所の共同持株会社設立(共同株式移転)に関する株式移転計画の定時株主総会による承認可決のお知らせ |
| 06/25 | 559 | 559 | 551 | 551 | +0.18% | 2,200 | 88億7110万 | -1.96% |
| 06/24 | 549 | 551 | 545 | 550 | +0.55% | 10,000 | 88億5500万 | -2.31% |
| 06/23 | 561 | 561 | 547 | 547 | -1.97% | 2,400 | 88億670万 | -3.01% |
| 06/22 | 554 | 558 | 554 | 558 | +2.95% | 1,200 | 89億8380万 | -1.24% |
| 06/21 | 549 | 549 | 539 | 542 | -1.99% | 1,900 | 87億2620万 | -4.07% |
| 06/18 | 557 | 557 | 553 | 553 | -1.25% | 600 | 89億330万 | -2.3% |
| 06/17 | 562 | 562 | 560 | 560 | -0.53% | 300 | 90億1600万 | -1.06% |
| 06/16 | 565 | 569 | 563 | 563 | -0.35% | 2,500 | 90億6430万 | -0.35% |
| 06/15 | 560 | 565 | 560 | 565 | +0.36% | 5,800 | 90億9650万 | +0.18% |
| 06/14 | 558 | 574 | 557 | 563 | +0.18% | 20,500 | 90億6430万 | 0% |
| 06/11 | 566 | 567 | 561 | 562 | +0.36% | 7,100 | 90億4820万 | -0.18% |
| 06/10 | 574 | 574 | 560 | 560 | -1.75% | 2,500 | 90億1600万 | -0.53% |
| 06/09 | 565 | 572 | 565 | 570 | +0.71% | 1,700 | 91億7700万 | +1.42% |
| 06/08 | 563 | 573 | 563 | 566 | -1.22% | 3,500 | 91億1260万 | +0.89% |
| 06/07 | 578 | 578 | 569 | 573 | -0.35% | 5,000 | 92億2530万 | +2.5% |
| 06/04 | 567 | 575 | 567 | 575 | +1.95% | 5,300 | 92億5750万 | +3.05% |
| 06/03 | 560 | 565 | 559 | 564 | +1.26% | 2,300 | 90億8040万 | +1.44% |
| 06/02 | 558 | 563 | 556 | 557 | -0.18% | 2,700 | 89億6770万 | +0.36% |
| 06/01 | 549 | 559 | 549 | 558 | +1.45% | 2,400 | 89億8380万 | +0.72% |
| 05/31 | 563 | 563 | 550 | 550 | -2.65% | 3,300 | 88億5500万 | -0.54% |
| 05/28 | 562 | 572 | 562 | 565 | +0.89% | 13,400 | 90億9650万 | +2.17% |
| 05/27 | 572 | 572 | 560 | 560 | -2.61% | 3,400 | 90億1600万 | +1.27% |
| 05/26 | 577 | 581 | 575 | 575 | -1.03% | 12,500 | 92億5750万 | +4.17% |
| 05/25 | 581 | 581 | 574 | 581 | +0.87% | 7,700 | 93億5410万 | +5.25% |
| 05/24 | 582 | 583 | 573 | 576 | -0.17% | 6,600 | 92億7360万 | +4.54% |
| 05/21 | 583 | 588 | 571 | 577 | +0.7% | 6,700 | 92億8970万 | +4.91% |
| 05/20 | 578 | 584 | 569 | 573 | 0% | 12,100 | 92億2530万 | +4.37% |
| 05/19 | 579 | 581 | 569 | 573 | +0.53% | 10,900 | 92億2530万 | +4.37% |
| 05/18 | 570 | 573 | 568 | 570 | +1.79% | 14,700 | 91億7700万 | +4.01% |
| 05/17 | 550 | 573 | 550 | 560 | +2.75% | 17,300 | 90億1600万 | +2.19% |
| 05/14 | （IR情報）13:00 『新ホールディングス設立に向けての中長期経営ビジョン』策定に関するお知らせ |
| 05/14 | （IR情報）13:00 前田建設工業(株)、前田道路(株)および(株)前田製作所の共同持株会社設立(共同株式移転)に関する経営統合契約書の締結および株式移転計画の作成について |
| 05/14 | （IR情報）13:00 支配株主等に関する事項について |
| 05/14 | （IR情報）13:00 2021年3月期決算短信〔日本基準〕(連結) |
| 05/14 | 548 | 570 | 543 | 545 | +1.11% | 39,500 | 87億7450万 | -0.37% |
| 05/13 | 538 | 545 | 537 | 539 | -0.55% | 2,800 | 86億7790万 | -1.64% |
| 05/12 | 550 | 554 | 536 | 542 | -0.37% | 10,000 | 87億2620万 | -1.09% |
| 05/11 | 557 | 561 | 544 | 544 | -2.86% | 4,900 | 87億5840万 | -0.91% |
| 05/10 | 559 | 561 | 552 | 560 | +1.08% | 5,500 | 90億1600万 | +2% |
| 05/07 | 553 | 560 | 547 | 554 | +1.65% | 11,700 | 89億1940万 | +1.09% |
| 05/06 | 531 | 551 | 531 | 545 | +1.87% | 19,500 | 87億7450万 | -0.55% |
| 04/30 | 531 | 538 | 526 | 535 | +1.52% | 4,200 | 86億1350万 | -2.55% |
| 04/28 | 535 | 537 | 527 | 527 | -1.68% | 5,800 | 84億8470万 | -4.18% |
| 04/27 | 537 | 540 | 533 | 536 | -0.19% | 2,500 | 86億2960万 | -2.72% |
