| 2026 |
| 01/20 | 415 | 417 | 408 | 410 | -2.61% | 89,000 | 42億8819万 | +8.47% |
| 01/19 | 425 | 425 | 414 | 421 | -0.94% | 102,600 | 44億323万 | +11.67% |
| 01/16 | 449 | 455 | 418 | 425 | +3.91% | 660,700 | 44億4507万 | +13.33% |
| 01/15 | 386 | 411 | 385 | 409 | +5.41% | 164,000 | 42億7773万 | +9.36% |
| 01/14 | （IR情報）12:30 経済産業省「情報セキュリティサービス基準」 適合事業者として公式リストに掲載 |
| 01/14 | 390 | 397 | 386 | 388 | -0.26% | 95,600 | 40億5809万 | +4.02% |
| 01/13 | 393 | 395 | 386 | 389 | +1.04% | 121,400 | 40億6855万 | +4.01% |
| 01/09 | 386 | 390 | 383 | 385 | -0.52% | 33,100 | 40億2671万 | +2.94% |
| 01/08 | 392 | 396 | 387 | 387 | -1.28% | 37,500 | 40億4763万 | +3.48% |
| 01/07 | 390 | 397 | 386 | 392 | +1.55% | 88,300 | 40億9992万 | +4.53% |
| 01/06 | 380 | 388 | 378 | 386 | +2.39% | 76,600 | 40億3717万 | +2.66% |
| 01/05 | 369 | 379 | 364 | 377 | +3.86% | 68,600 | 39億4304万 | +0.27% |
| 2025 |
| 12/30 | 375 | 375 | 363 | 363 | -1.89% | 39,900 | 37億9661万 | -3.46% |
| 12/29 | 365 | 373 | 364 | 370 | +1.65% | 55,400 | 38億6983万 | -1.6% |
| 12/26 | 370 | 375 | 364 | 364 | -1.62% | 79,400 | 38億707万 | -3.45% |
| 12/25 | 361 | 371 | 361 | 370 | +2.21% | 121,100 | 38億6983万 | -2.12% |
| 12/24 | 365 | 371 | 361 | 362 | -0.28% | 87,500 | 37億8615万 | -4.23% |
| 12/23 | 359 | 369 | 359 | 363 | +1.68% | 93,200 | 37億9661万 | -4.22% |
| 12/22 | 362 | 366 | 357 | 357 | -0.83% | 75,400 | 37億3386万 | -6.05% |
| 12/19 | 357 | 364 | 357 | 360 | +0.56% | 45,700 | 37億6524万 | -5.76% |
| 12/18 | 356 | 359 | 355 | 358 | 0% | 41,300 | 37億4432万 | -6.77% |
| 12/17 | 359 | 359 | 355 | 358 | 0% | 87,500 | 37億4432万 | -8.21% |
| 12/16 | 367 | 367 | 358 | 358 | -2.45% | 74,200 | 37億4432万 | -8.91% |
| 12/15 | 360 | 367 | 359 | 367 | +0.82% | 52,500 | 38億3845万 | -6.38% |
| 12/12 | 363 | 370 | 361 | 364 | +0.28% | 83,600 | 38億707万 | -6.91% |
| 12/11 | 377 | 377 | 363 | 363 | -4.22% | 142,800 | 37億9661万 | -6.92% |
| 12/10 | 387 | 392 | 376 | 379 | -2.07% | 120,600 | 39億6396万 | -2.57% |
| 12/09 | 393 | 393 | 386 | 387 | -2.03% | 25,800 | 40億4763万 | -0.26% |
| 12/08 | 392 | 395 | 386 | 395 | +1.8% | 59,200 | 41億3130万 | +2.33% |
| 12/05 | 394 | 399 | 385 | 388 | -2.27% | 99,400 | 40億5809万 | +1.04% |
| 12/04 | 394 | 404 | 391 | 397 | 0% | 102,200 | 41億5222万 | +3.93% |
| 12/03 | 400 | 415 | 393 | 397 | -0.75% | 153,300 | 41億5222万 | +4.47% |
| 12/02 | 400 | 408 | 391 | 400 | -0.74% | 132,700 | 41億8360万 | +5.54% |
| 12/01 | 403 | 422 | 400 | 403 | -0.98% | 170,200 | 42億1497万 | +6.9% |
| 11/28 | 382 | 408 | 382 | 407 | +6.27% | 234,300 | 42億5681万 | +8.53% |
| 11/27 | 382 | 384 | 378 | 383 | +0.26% | 74,000 | 40億579万 | +2.68% |
| 11/26 | 383 | 384 | 372 | 382 | +1.33% | 125,500 | 39億9533万 | +2.69% |
| 11/25 | 388 | 390 | 376 | 377 | -1.31% | 142,000 | 39億4304万 | +1.62% |
| 11/25 | （空売り報告）JPM Securities Japan Co Ltd. 51,303株（0.49%）-0.03%義務消失 |
| 11/21 | 375 | 385 | 372 | 382 | -0.26% | 92,800 | 39億9533万 | +3.24% |
| 11/20 | （IR情報）16:00 資金の借入に関するお知らせ |
| 11/20 | 383 | 387 | 375 | 383 | +0.79% | 123,500 | 40億579万 | +3.79% |
| 11/20 | （空売り報告）モルガン・スタンレーMUFG証券 50,051株（0.47%）-0.04%義務消失 |
| 11/19 | 400 | 419 | 374 | 380 | -3.06% | 456,000 | 39億7442万 | +3.26% |
| 11/19 | （空売り報告）モルガン・スタンレーMUFG証券 53,351株（0.51%）再IN |
| 11/18 | 384 | 415 | 374 | 392 | +1.82% | 663,800 | 40億9992万 | +7.1% |
| 11/18 | （空売り報告）JPM Securities Japan Co Ltd. 54,503株（0.52%）再IN |
| 11/17 | 385 | 409 | 380 | 385 | -5.17% | 356,200 | 40億2671万 | +5.77% |
| 11/17 | （空売り報告）JPM Securities Japan Co Ltd. 50,303株（0.48%）-0.02%義務消失 |
| 11/14 | （IR情報）15:30 営業外費用(支払手数料)の計上に関するお知らせ |
| 11/14 | （IR情報）15:30 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 | 409 | 428 | 402 | 406 | -3.33% | 451,100 | 42億4635万 | +11.54% |
| 11/13 | 503 | 507 | 415 | 420 | -16.5% | 2,168,200 | 43億9278万 | +16.02% |
| 11/13 | （空売り報告）JPM Securities Japan Co Ltd. 53,203株（0.5%）再IN |
| 11/12 | 503 | 503 | 472 | 503 | +18.91% | 2,111,700 | 52億6087万 | +39.34% |
| 11/11 | （IR情報）12:00 IoT製品のセキュリティを高める耐量子暗号への対応を低価格マイコンで実現 |
| 11/11 | 343 | 423 | 342 | 423 | +23.32% | 199,900 | 44億2415万 | +18.82% |
| 11/10 | 340 | 348 | 340 | 343 | +0.88% | 37,300 | 35億8743万 | -2.83% |
| 11/07 | 339 | 343 | 338 | 340 | -0.29% | 44,500 | 35億5606万 | -3.68% |
| 11/06 | 341 | 343 | 337 | 341 | +0.29% | 27,200 | 35億6651万 | -3.4% |
| 11/05 | 342 | 342 | 325 | 340 | -0.58% | 74,900 | 35億5606万 | -3.95% |
| 11/04 | 350 | 350 | 340 | 342 | -1.16% | 52,100 | 35億7697万 | -3.39% |
| 10/31 | 346 | 350 | 344 | 346 | +1.47% | 33,800 | 36億1881万 | -2.54% |
| 10/30 | 339 | 345 | 336 | 341 | +0.89% | 68,400 | 35億6651万 | -4.21% |
| 10/29 | 352 | 352 | 334 | 338 | -3.98% | 167,400 | 35億3514万 | -5.06% |
| 10/28 | 354 | 357 | 352 | 352 | -0.85% | 35,900 | 36億8156万 | -1.4% |
| 10/27 | 359 | 359 | 354 | 355 | +0.57% | 32,800 | 37億1294万 | -0.56% |
| 10/27 | （空売り報告）JPM Securities Japan Co Ltd. 51,803株（0.49%）-0.01%義務消失 |
| 10/24 | 366 | 366 | 351 | 353 | -0.84% | 70,900 | 36億9202万 | -1.4% |
| 10/23 | 357 | 361 | 353 | 356 | -0.56% | 34,700 | 37億2340万 | -0.56% |
| 10/22 | 356 | 359 | 352 | 358 | +0.85% | 42,200 | 37億4432万 | 0% |
| 10/21 | 361 | 362 | 354 | 355 | -1.93% | 45,200 | 37億1294万 | -0.56% |
| 10/20 | 350 | 363 | 350 | 362 | +4.62% | 71,200 | 37億8615万 | +1.4% |
| 10/17 | 356 | 356 | 346 | 346 | -3.89% | 40,600 | 36億1881万 | -3.08% |
| 10/16 | 355 | 361 | 353 | 360 | +2.27% | 37,700 | 37億6524万 | +0.56% |
| 10/15 | 343 | 353 | 343 | 352 | +3.53% | 27,200 | 36億8156万 | -1.68% |
| 10/14 | （IR情報）12:00 「技術で未来を拓く」新経営体制のもと、さらなる企業価値向上へ |
| 10/14 | 354 | 354 | 340 | 340 | -4.23% | 122,100 | 35億5606万 | -5.03% |
| 10/10 | 366 | 366 | 355 | 355 | -4.05% | 61,300 | 37億1294万 | -1.11% |
| 10/09 | 375 | 377 | 367 | 370 | 0% | 58,600 | 38億6983万 | +3.35% |
| 10/08 | 387 | 387 | 370 | 370 | -4.88% | 142,100 | 38億6983万 | +3.35% |
| 10/07 | 387 | 395 | 373 | 389 | +2.64% | 239,200 | 40億6855万 | +8.96% |
| 10/06 | 380 | 409 | 370 | 379 | +8.91% | 612,800 | 39億6396万 | +6.46% |
| 10/06 | （空売り報告）JPM Securities Japan Co Ltd. 52,603株（0.5%）再IN |
| 10/03 | 337 | 360 | 335 | 348 | +3.26% | 117,300 | 36億3973万 | -1.97% |
| 10/02 | 343 | 346 | 337 | 337 | -1.17% | 43,000 | 35億2468万 | -5.07% |
| 10/01 | 358 | 358 | 341 | 341 | -4.21% | 95,100 | 35億6651万 | -4.21% |
| 09/30 | 349 | 358 | 348 | 356 | +2.01% | 33,500 | 37億2340万 | -0.28% |
| 09/29 | 368 | 368 | 348 | 349 | -5.16% | 79,000 | 36億5019万 | -2.24% |
| 09/26 | 359 | 368 | 356 | 368 | +2.51% | 55,200 | 38億4891万 | +3.08% |
| 09/25 | 362 | 362 | 352 | 359 | +0.56% | 69,800 | 37億5478万 | +0.56% |
| 09/24 | 365 | 365 | 357 | 357 | -1.38% | 24,700 | 37億3386万 | 0% |
| 09/22 | 361 | 365 | 360 | 362 | +1.4% | 49,100 | 37億8615万 | +1.4% |
| 09/19 | 359 | 363 | 355 | 357 | -0.56% | 61,700 | 37億3386万 | 0% |
| 09/18 | 362 | 362 | 347 | 359 | +0.84% | 83,400 | 37億5478万 | +0.28% |
| 09/17 | 357 | 358 | 352 | 356 | +0.56% | 22,300 | 37億2340万 | -0.84% |
| 09/16 | 353 | 356 | 350 | 354 | 0% | 23,900 | 37億248万 | -1.67% |
| 09/12 | 356 | 356 | 351 | 354 | 0% | 27,100 | 37億248万 | -1.94% |
| 09/11 | 359 | 363 | 353 | 354 | -1.67% | 38,000 | 37億248万 | -2.21% |
| 09/10 | 363 | 363 | 358 | 360 | -0.28% | 15,900 | 37億6524万 | -1.1% |
| 09/09 | 367 | 369 | 358 | 361 | -1.9% | 50,500 | 37億7569万 | -0.82% |
| 09/08 | 363 | 382 | 363 | 368 | +4.25% | 230,800 | 38億4891万 | +0.82% |
| 09/05 | 347 | 355 | 347 | 353 | +1.73% | 31,800 | 36億9202万 | -3.55% |
| 09/04 | 348 | 352 | 346 | 347 | -0.57% | 26,000 | 36億2927万 | -5.45% |
| 09/03 | 351 | 353 | 347 | 349 | -0.85% | 39,800 | 36億5019万 | -5.16% |
| 09/02 | （IR情報）11:45 代表取締役の異動(辞任及び選任)に関するお知らせ |
| 09/02 | 358 | 359 | 345 | 352 | -1.95% | 90,200 | 36億8156万 | -4.61% |
| 09/01 | 355 | 360 | 353 | 359 | +0.84% | 16,800 | 37億5478万 | -3.23% |
| 08/29 | 356 | 358 | 355 | 356 | 0% | 10,800 | 37億2340万 | -4.3% |
| 08/28 | 357 | 357 | 354 | 356 | -0.28% | 24,900 | 37億2340万 | -4.56% |
| 08/27 | 358 | 359 | 357 | 357 | -0.83% | 15,700 | 37億3386万 | -4.55% |
| 08/26 | 360 | 360 | 357 | 360 | 0% | 11,200 | 37億6524万 | -4% |
| 08/25 | 361 | 363 | 357 | 360 | +0.28% | 42,400 | 37億6524万 | -4% |
| 08/22 | 361 | 363 | 358 | 359 | -0.28% | 27,300 | 37億5478万 | -4.52% |
| 08/21 | 358 | 360 | 357 | 360 | +0.84% | 10,500 | 37億6524万 | -4.26% |
| 08/21 | （空売り報告）Nomura International plc 51,953株（0.49%）-0.09%義務消失 |
| 08/15 | （空売り報告）Nomura International plc 61,403株（0.58%）再IN |
| 08/14 | （IR情報）16:00 2026年3月期第1四半期決算短信〔日本基準〕(連結) |
