| 2020 |
| 08/21 | 447 | 455 | 441 | 442 | +0.23% | 395,200 | 367億2963万 | -1.12% |
| 08/20 | 445 | 455 | 441 | 441 | -2.43% | 413,400 | 366億4653万 | -1.12% |
| 08/19 | 445 | 455 | 441 | 452 | +1.57% | 492,500 | 375億6062万 | +1.35% |
| 08/18 | 460 | 461 | 444 | 445 | -4.51% | 808,100 | 369億7892万 | +0.23% |
| 08/17 | 463 | 469 | 457 | 466 | -0.21% | 564,600 | 387億2400万 | +5.19% |
| 08/14 | 465 | 473 | 463 | 467 | 0% | 447,100 | 388億710万 | +5.9% |
| 08/13 | 475 | 483 | 462 | 467 | -0.64% | 884,800 | 388億710万 | +6.14% |
| 08/12 | 460 | 474 | 457 | 470 | +2.4% | 849,300 | 390億5639万 | +7.06% |
| 08/11 | 433 | 463 | 428 | 459 | +8% | 1,184,700 | 381億4231万 | +5.28% |
| 08/07 | 412 | 427 | 406 | 425 | +2.66% | 731,700 | 353億1695万 | -2.07% |
| 08/06 | 15:00 連結子会社の異動(株式譲渡)に関するお知らせ |
| 08/06 | 436 | 437 | 409 | 414 | -7.17% | 1,219,700 | 344億286万 | -4.61% |
| 08/05 | 16:00 連結決算及び個別決算における損失の計上並びに個別決算における特別利益の計上に関するお知らせ |
| 08/05 | 16:00 2021年3月期第1四半期決算短信〔日本基準〕(連結) |
| 08/05 | 453 | 456 | 442 | 446 | -1.33% | 485,400 | 370億6202万 | +2.76% |
| 08/04 | 433 | 453 | 433 | 452 | +5.36% | 618,900 | 375億6062万 | +4.63% |
| 08/03 | 401 | 432 | 400 | 429 | +5.67% | 880,900 | 356億4934万 | -0.46% |
| 07/31 | 14:00 三井E&S造船株式会社(商船事業)と常石造船株式会社との資本提携に関する協議開始のお知らせ |
| 07/31 | 416 | 416 | 403 | 406 | -4.69% | 792,500 | 337億3807万 | -5.8% |
| 07/30 | 438 | 444 | 421 | 426 | -2.52% | 682,400 | 354億5万 | -1.62% |
| 07/29 | 440 | 444 | 434 | 437 | -1.58% | 428,500 | 363億1413万 | +0.69% |
| 07/28 | 458 | 458 | 441 | 444 | -3.69% | 546,900 | 368億9583万 | +1.83% |
| 07/27 | 450 | 462 | 439 | 461 | +1.32% | 650,000 | 383億850万 | +5.25% |
| 07/22 | 457 | 466 | 451 | 455 | -0.22% | 552,500 | 378億991万 | +3.41% |
| 07/21 | 456 | 467 | 452 | 456 | +1.33% | 696,800 | 378億9301万 | +2.93% |
| 07/20 | 447 | 453 | 436 | 450 | +0.9% | 679,300 | 373億9442万 | +0.9% |
| 07/17 | 462 | 466 | 446 | 446 | -3.88% | 616,100 | 370億6202万 | -0.45% |
| 07/16 | 448 | 470 | 448 | 464 | +4.5% | 1,004,400 | 385億5780万 | +2.43% |
| 07/15 | 438 | 457 | 438 | 444 | +3.26% | 1,103,300 | 368億9583万 | -3.06% |
| 07/14 | 421 | 437 | 416 | 430 | +0.7% | 777,200 | 357億3244万 | -7.73% |
| 07/13 | 421 | 431 | 417 | 427 | +4.4% | 693,800 | 354億8315万 | -10.11% |
| 07/10 | 411 | 416 | 402 | 409 | -1.45% | 750,000 | 339億8737万 | -15.5% |
| 07/09 | 431 | 432 | 413 | 415 | -3.94% | 798,400 | 344億8596万 | -15.82% |
| 07/08 | 424 | 436 | 417 | 432 | +0.47% | 558,200 | 358億9864万 | -13.43% |
| 07/07 | 432 | 440 | 422 | 430 | -1.38% | 793,500 | 357億3244万 | -15.02% |
| 07/06 | 414 | 438 | 410 | 436 | +7.39% | 1,289,700 | 362億3104万 | -14.84% |
| 07/03 | 411 | 417 | 399 | 406 | -1.22% | 659,900 | 337億3807万 | -21.47% |
| 07/02 | 407 | 421 | 399 | 411 | -0.72% | 1,035,300 | 341億5357万 | -21.41% |
| 07/01 | 416 | 422 | 406 | 414 | -0.24% | 701,700 | 344億286万 | -21.89% |
| 06/30 | 410 | 427 | 408 | 415 | +3.75% | 1,290,600 | 344億8596万 | -22.72% |
| 06/29 | 410 | 411 | 395 | 400 | -5.88% | 1,902,800 | 332億3948万 | -26.2% |
| 06/26 | 431 | 434 | 421 | 425 | -0.7% | 1,114,700 | 353億1695万 | -22.3% |
| 06/25 | 445 | 447 | 424 | 428 | -6.35% | 1,757,100 | 355億6625万 | -22.32% |
| 06/24 | 465 | 465 | 452 | 457 | -2.14% | 1,063,700 | 379億7611万 | -17.66% |
| 06/23 | 477 | 480 | 459 | 467 | -0.85% | 1,627,800 | 388億710万 | -16.31% |
| 06/22 | 487 | 487 | 458 | 471 | -5.61% | 2,105,900 | 391億3949万 | -15.89% |
| 06/19 | 514 | 516 | 497 | 499 | -1.77% | 869,800 | 414億6625万 | -11.05% |
| 06/18 | 515 | 515 | 496 | 508 | -2.87% | 1,259,200 | 422億1414万 | -9.45% |
| 06/17 | 536 | 538 | 513 | 523 | -3.68% | 999,900 | 434億6062万 | -6.77% |
| 06/16 | 527 | 544 | 514 | 543 | +6.68% | 1,200,900 | 451億2260万 | -3.21% |
| 06/15 | 560 | 560 | 507 | 509 | -9.91% | 1,843,100 | 422億9724万 | -9.75% |
| 06/12 | 17:30 当社子会社(株式会社加地テック)の2021年3月期通期個別業績に関するお知らせ |
| 06/12 | 16:00 三井E&S造船株式会社の艦艇事業の譲渡に関する協議開始のお知らせ |
| 06/12 | 556 | 567 | 536 | 565 | -4.24% | 1,853,300 | 469億5077万 | -0.7% |
| 06/11 | 622 | 625 | 585 | 590 | -8.1% | 1,295,100 | 490億2824万 | +3.33% |
| 06/10 | 636 | 650 | 632 | 642 | -1.08% | 528,600 | 533億4937万 | +12.43% |
| 06/09 | 662 | 670 | 637 | 649 | -1.37% | 824,500 | 539億3106万 | +13.86% |
| 06/08 | 636 | 671 | 635 | 658 | +5.96% | 1,070,700 | 546億7895万 | +15.64% |
| 06/05 | 595 | 626 | 589 | 621 | +5.97% | 730,100 | 516億430万 | +9.91% |
| 06/04 | 616 | 623 | 580 | 586 | -2.17% | 931,100 | 486億9584万 | +4.09% |
| 06/03 | 597 | 602 | 584 | 599 | +3.28% | 719,500 | 497億7613万 | +6.58% |
| 06/02 | 565 | 586 | 556 | 580 | +4.5% | 615,700 | 481億9725万 | +3.57% |
| 06/01 | 574 | 579 | 551 | 555 | -1.77% | 481,700 | 461億1978万 | -0.54% |
| 05/29 | 580 | 580 | 561 | 565 | -4.07% | 1,103,700 | 469億5077万 | +1.44% |
| 05/28 | 592 | 608 | 576 | 589 | +1.03% | 986,100 | 489億4514万 | +5.94% |
| 05/27 | 551 | 588 | 551 | 583 | +7.17% | 732,100 | 484億4655万 | +5.23% |
| 05/26 | 530 | 550 | 524 | 544 | +4.62% | 646,200 | 452億570万 | -1.45% |
| 05/25 | 525 | 530 | 517 | 520 | +0.97% | 382,000 | 432億1133万 | -5.8% |
| 05/22 | 523 | 528 | 509 | 515 | -3.01% | 623,400 | 427億9583万 | -7.04% |
| 05/21 | 527 | 546 | 527 | 531 | +0.76% | 492,700 | 441億2541万 | -4.5% |
| 05/20 | 524 | 534 | 518 | 527 | -1.31% | 464,400 | 437億9302万 | -5.39% |
| 05/19 | 517 | 538 | 516 | 534 | +7.88% | 855,700 | 443億7471万 | -4.47% |
| 05/18 | 489 | 499 | 481 | 495 | -0.4% | 615,900 | 411億3386万 | -11.45% |
| 05/15 | 507 | 511 | 485 | 497 | +0.81% | 895,000 | 413億6万 | -11.41% |
| 05/14 | 530 | 531 | 490 | 493 | -8.7% | 1,321,700 | 409億6766万 | -12.28% |
| 05/13 | 15:00 連結子会社の異動(株式譲渡)に関する基本合意書締結のお知らせ |
| 05/13 | 581 | 592 | 536 | 540 | -12.76% | 1,380,900 | 448億7330万 | -3.91% |
| 05/12 | 16:00 連結決算における特別利益及び特別損失計上並びに個別決算における特別損失の計上及び繰延税金資産の取崩しに関するお知らせ |
| 05/12 | 16:00 2020年3月期決算短信〔日本基準〕(連結) |
| 05/12 | 637 | 641 | 615 | 619 | -2.52% | 567,300 | 514億3810万 | +10.54% |
| 05/11 | 627 | 640 | 618 | 635 | +3.59% | 470,100 | 527億6768万 | +14.41% |
| 05/08 | 604 | 617 | 595 | 613 | +3.2% | 435,700 | 509億3951万 | +11.25% |
| 05/07 | 596 | 605 | 589 | 594 | -2.14% | 429,200 | 493億6063万 | +8.39% |
| 05/01 | 610 | 614 | 600 | 607 | -1.62% | 898,100 | 504億4092万 | +11.17% |
| 04/30 | 15:00 固定資産の譲渡及び繰延税金負債の取崩しに関するお知らせ |
| 04/30 | 600 | 627 | 587 | 617 | +7.87% | 683,100 | 512億7190万 | +13.63% |
| 04/28 | 573 | 583 | 561 | 572 | +0.18% | 394,500 | 475億3246万 | +5.54% |
| 04/27 | 556 | 573 | 552 | 571 | +3.25% | 472,500 | 474億4936万 | +5.94% |
| 04/24 | 558 | 564 | 546 | 553 | -0.36% | 484,500 | 459億5359万 | +3.36% |
| 04/23 | 16:00 連結子会社(孫会社)等の株式譲渡に関するお知らせ |
| 04/23 | 527 | 558 | 527 | 555 | +7.14% | 625,600 | 461億1978万 | +5.11% |
| 04/22 | 521 | 528 | 511 | 518 | -2.08% | 755,200 | 430億4513万 | -1.15% |
| 04/21 | 543 | 549 | 528 | 529 | -4.34% | 558,000 | 439億5922万 | +1.15% |
| 04/20 | 527 | 553 | 526 | 553 | +2.98% | 495,900 | 459億5359万 | +5.74% |
| 04/17 | 529 | 547 | 524 | 537 | +1.51% | 1,035,900 | 446億2401万 | +2.68% |
| 04/16 | 524 | 531 | 509 | 529 | -2.76% | 898,900 | 439億5922万 | +0.38% |
| 04/15 | 573 | 573 | 538 | 544 | -6.69% | 704,800 | 452億570万 | +1.87% |
| 04/14 | 556 | 586 | 543 | 583 | +5.23% | 509,600 | 484億4655万 | +7.76% |
| 04/13 | 553 | 569 | 550 | 554 | -2.12% | 368,100 | 460億3668万 | +1.28% |
| 04/10 | 571 | 573 | 551 | 566 | -0.35% | 485,900 | 470億3387万 | +1.25% |
| 04/09 | 548 | 574 | 536 | 568 | +5.58% | 534,800 | 472億7万 | -0.53% |
| 04/08 | 559 | 559 | 517 | 538 | -0.55% | 645,100 | 447億710万 | -7.56% |
| 04/07 | 541 | 547 | 513 | 541 | +3.84% | 636,400 | 449億5640万 | -8.92% |
| 04/06 | 490 | 527 | 476 | 521 | +6.33% | 958,800 | 432億9443万 | -13.88% |
| 04/03 | 490 | 511 | 481 | 490 | -1.01% | 706,800 | 407億1837万 | -20.33% |
| 04/02 | 480 | 514 | 473 | 495 | 0% | 1,025,300 | 411億3386万 | -21.18% |
| 04/01 | 514 | 541 | 487 | 495 | -4.99% | 1,125,500 | 411億3386万 | -22.78% |
| 03/31 | 533 | 562 | 512 | 521 | -3.34% | 1,168,300 | 432億9443万 | -20.46% |
| 03/30 | 539 | 562 | 503 | 539 | -2.53% | 1,391,000 | 447億9020万 | -19.43% |
| 03/27 | 15:00 特別損益(関係会社株式売却損益)計上に関するお知らせ |
| 03/27 | 570 | 590 | 541 | 553 | +1.84% | 1,149,400 | 459億5359万 | -18.91% |
| 03/26 | 548 | 576 | 539 | 543 | -6.06% | 1,164,800 | 451億2260万 | -21.87% |
