| 2026 |
| 09/30 | 6,170 | 6,240 | 6,030 | 6,220 | +3.84% | 208,300 | - | +9.41% |
| 09/29 | 6,030 | 6,080 | 5,940 | 5,990 | +0.34% | 147,400 | - | +5.91% |
| 09/28 | 6,180 | 6,180 | 5,960 | 5,970 | -2.45% | 127,600 | - | +5.85% |
| 09/28 | （空売り報告）Nomura International plc 2,320株（0%）-0.56%義務消失 |
| 09/25 | 6,020 | 6,150 | 5,900 | 6,120 | +2.17% | 165,100 | - | +8.78% |
| 09/24 | 6,000 | 6,080 | 5,930 | 5,990 | +3.28% | 249,500 | - | +6.6% |
| 09/18 | 5,780 | 5,840 | 5,710 | 5,800 | +1.58% | 208,900 | - | +2.95% |
| 09/18 | （空売り報告）Nomura International plc 149,248株（0.56%）-0.21% |
| 09/17 | 5,690 | 5,800 | 5,540 | 5,710 | +0.53% | 309,600 | - | +1.04% |
| 09/16 | 5,230 | 5,770 | 5,220 | 5,680 | +6.57% | 250,000 | - | -0.46% |
| 09/15 | 5,180 | 5,350 | 5,150 | 5,330 | +0.95% | 136,400 | - | -7.32% |
| 09/15 | （空売り報告）Barclays Capital Securities Ltd 36,800株（0.13%）-0.4%義務消失 |
| 09/14 | 4,990 | 5,320 | 4,965 | 5,280 | -0.19% | 218,400 | - | -9.15% |
| 09/11 | （IR情報）18:00 連結子会社(プライムウェーハ事業)の組織再編に関するお知らせ |
| 09/11 | 5,270 | 5,300 | 5,190 | 5,290 | -3.29% | 194,300 | - | -9.82% |
| 09/11 | （空売り報告）Nomura International plc 207,047株（0.77%）+0.15% |
| 09/10 | 5,580 | 5,650 | 5,300 | 5,470 | -1.44% | 190,300 | - | -7.73% |
| 09/09 | 5,560 | 5,670 | 5,530 | 5,550 | +0.36% | 143,600 | - | -7.44% |
| 09/09 | （空売り報告）Barclays Capital Securities Ltd 141,600株（0.53%）再IN |
| 09/08 | 5,840 | 5,960 | 5,530 | 5,530 | -5.95% | 166,000 | - | -8.5% |
| 09/08 | （空売り報告）Nomura International plc 165,769株（0.62%）+0.06% |
| 09/07 | 5,800 | 5,950 | 5,720 | 5,880 | +4.81% | 203,200 | - | -3.26% |
| 09/07 | （空売り報告）Nomura International plc 149,698株（0.56%）新規 |
| 09/04 | （IR情報）16:30 (開示事項の経過)連結子会社(中国プライムウェーハ事業)の組織再編検討開始のお知らせ |
| 09/04 | 5,550 | 5,730 | 5,540 | 5,610 | +0.18% | 107,400 | - | -7.96% |
| 09/03 | 5,600 | 5,780 | 5,490 | 5,600 | +0.36% | 160,000 | - | -8.11% |
| 09/02 | 5,550 | 5,770 | 5,540 | 5,580 | -1.24% | 195,800 | - | -8.49% |
| 09/01 | 5,760 | 5,800 | 5,570 | 5,650 | -3.91% | 240,000 | - | -7.74% |
| 08/31 | 5,520 | 5,940 | 5,470 | 5,880 | +4.63% | 265,600 | - | -4.89% |
| 08/31 | （IR情報）8:00 連結子会社(中国プライムウェーハ事業)の組織再編検討開始のお知らせ |
| 08/28 | 5,770 | 5,840 | 5,580 | 5,620 | -2.43% | 186,700 | - | -9.33% |
| 08/27 | 5,820 | 5,940 | 5,740 | 5,760 | +2.49% | 291,300 | - | -7.68% |
| 08/26 | 5,500 | 5,650 | 5,450 | 5,620 | +0.9% | 242,700 | - | -10.34% |
| 08/25 | 5,350 | 5,590 | 5,240 | 5,570 | +2.58% | 335,500 | - | -11.67% |
| 08/24 | 5,500 | 5,610 | 5,350 | 5,430 | -1.27% | 370,100 | - | -14.38% |
| 08/24 | （空売り報告）Barclays Capital Securities Ltd 118,600株（0.44%）-0.09%義務消失 |
| 08/21 | 5,440 | 5,520 | 5,310 | 5,500 | -1.26% | 258,700 | - | -14.21% |
| 08/20 | 5,540 | 5,650 | 5,500 | 5,570 | -1.07% | 192,900 | - | -14.32% |
| 08/20 | （空売り報告）Barclays Capital Securities Ltd 141,300株（0.53%）再IN |
| 08/19 | 5,750 | 5,860 | 5,600 | 5,630 | -5.38% | 275,000 | - | -14.39% |
| 08/19 | （空売り報告）Barclays Capital Securities Ltd 131,400株（0.49%）-0.02%義務消失 |
| 08/18 | 6,420 | 6,450 | 5,930 | 5,950 | -6.3% | 353,400 | - | -10.59% |
| 08/18 | （空売り報告）Barclays Capital Securities Ltd 136,300株（0.51%）新規 |
| 08/17 | 6,330 | 6,400 | 6,180 | 6,350 | +1.93% | 304,100 | - | -5.7% |
| 08/17 | （IR情報）8:55 2026年12月期第2四半期決算説明会書き起こし公開のお知らせ |
| 08/14 | 6,350 | 6,380 | 6,060 | 6,230 | -12.25% | 767,300 | - | -8.17% |
| 08/13 | （IR情報）16:30 2026年12月期第2四半期決算説明資料 |
| 08/13 | （IR情報）16:30 2026年12月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 08/13 | 6,900 | 7,210 | 6,880 | 7,100 | +4.41% | 239,200 | - | +3.38% |
| 08/12 | 6,830 | 6,880 | 6,650 | 6,800 | -0.58% | 193,800 | - | -1.68% |
| 08/10 | 6,730 | 6,900 | 6,640 | 6,840 | +2.86% | 194,900 | - | -1.77% |
| 08/07 | 6,890 | 7,030 | 6,460 | 6,650 | -2.64% | 283,300 | - | -5.37% |
| 08/06 | 7,030 | 7,300 | 6,650 | 6,830 | -4.87% | 274,500 | - | -3.31% |
| 08/05 | 6,950 | 7,230 | 6,870 | 7,180 | +6.69% | 313,900 | - | +0.96% |
| 08/04 | 6,580 | 6,830 | 6,510 | 6,730 | +5.49% | 335,800 | - | -5.42% |
| 08/03 | 6,360 | 6,560 | 6,250 | 6,380 | +1.11% | 379,500 | - | -10.47% |
| 07/31 | 6,330 | 6,500 | 6,140 | 6,310 | +12.88% | 354,800 | - | -11.75% |
| 07/30 | 5,740 | 6,000 | 5,440 | 5,590 | -2.1% | 310,600 | - | -22.16% |
| 07/29 | 6,200 | 6,230 | 5,570 | 5,710 | -8.2% | 298,500 | - | -21.03% |
| 07/28 | 6,750 | 6,780 | 6,200 | 6,220 | -12.39% | 408,300 | - | -14.64% |
| 07/27 | 6,370 | 7,180 | 6,250 | 7,100 | +13.24% | 498,700 | - | -3.14% |
| 07/24 | （IR情報）16:00 江西盛泰精密光学有限公司との資本提携に関する協議終了のお知らせ |
| 07/24 | 6,560 | 6,600 | 6,180 | 6,270 | -5.86% | 214,800 | - | -14.52% |
| 07/23 | 6,770 | 6,790 | 6,580 | 6,660 | +2.78% | 141,800 | - | -9.6% |
| 07/22 | 6,880 | 6,880 | 6,460 | 6,480 | -1.52% | 260,200 | - | -12.15% |
| 07/21 | 6,550 | 6,630 | 6,340 | 6,580 | +2.02% | 240,400 | - | -11.03% |
| 07/17 | 6,660 | 6,690 | 6,230 | 6,450 | -9.92% | 282,200 | - | -12.99% |
| 07/16 | 7,500 | 7,600 | 7,120 | 7,160 | -7.61% | 173,700 | - | -3.49% |
| 07/15 | 7,610 | 7,820 | 7,510 | 7,750 | +3.89% | 178,300 | - | +4.83% |
| 07/14 | 7,370 | 7,510 | 7,110 | 7,460 | -1.84% | 350,800 | - | +1.58% |
| 07/13 | 7,900 | 8,300 | 7,440 | 7,600 | -4.16% | 287,200 | - | +3.7% |
| 07/10 | 7,950 | 8,240 | 7,820 | 7,930 | +4.48% | 383,500 | - | +8.54% |
| 07/09 | 8,450 | 8,480 | 7,430 | 7,590 | -8.77% | 377,500 | - | +4.04% |
| 07/08 | 8,020 | 8,650 | 8,000 | 8,320 | 0% | 418,300 | - | +14.04% |
| 07/07 | （IR情報）16:30 (訂正)「当社連結子会社「有研半導体硅材料株式会社」による「安徽晶隆半導体科技有限公司」の株式取得(子会社化)に関するお知らせ」の一部訂正について |
| 07/07 | 7,830 | 8,420 | 7,750 | 8,320 | +4.52% | 554,900 | - | +14.71% |
| 07/07 | （IR情報）8:55 当社連結子会社「有研半導体硅材料株式会社」による「安徽晶隆半導体科技有限公司」の株式取得(子会社化)に関するお知らせ |
| 07/06 | 8,450 | 8,620 | 7,750 | 7,960 | -5.8% | 339,300 | - | +10.51% |
| 07/03 | 7,170 | 8,450 | 7,150 | 8,450 | +11.77% | 454,400 | - | +17.82% |
| 07/02 | 7,430 | 7,740 | 7,320 | 7,560 | -5.85% | 234,200 | - | +6% |
| 07/01 | 7,580 | 8,170 | 7,580 | 8,030 | +10.3% | 311,900 | - | +12.7% |
| 06/30 | 7,200 | 7,400 | 7,090 | 7,280 | +4% | 145,000 | - | +2.85% |
| 06/29 | 6,930 | 7,030 | 6,650 | 7,000 | +0.43% | 118,500 | - | -0.77% |
| 06/26 | 6,930 | 7,120 | 6,750 | 6,970 | -1.55% | 160,500 | - | -1.15% |
| 06/25 | 7,140 | 7,230 | 7,030 | 7,080 | +3.36% | 160,800 | - | +0.65% |
| 06/24 | 6,950 | 7,300 | 6,770 | 6,850 | -3.52% | 123,800 | - | -2.42% |
| 06/23 | 7,310 | 7,510 | 7,080 | 7,100 | -2.74% | 164,400 | - | +1.34% |
| 06/22 | 7,110 | 7,490 | 7,070 | 7,300 | +0.97% | 177,600 | - | +4.51% |
| 06/19 | （IR情報）16:30 系統用蓄電事業への出資参画に関するお知らせ |
| 06/19 | 7,360 | 7,490 | 7,130 | 7,230 | +2.41% | 168,400 | - | +3.88% |
| 06/18 | 7,000 | 7,450 | 7,000 | 7,060 | +2.32% | 167,600 | - | +1.79% |
| 06/17 | 6,780 | 7,040 | 6,690 | 6,900 | -1.15% | 185,400 | - | -0.42% |
| 06/16 | 7,090 | 7,200 | 6,940 | 6,980 | -0.14% | 232,700 | - | +0.85% |
| 06/15 | 7,000 | 7,040 | 6,800 | 6,990 | +5.91% | 254,900 | - | +1.07% |
| 06/12 | 6,630 | 6,830 | 6,550 | 6,600 | +1.38% | 238,900 | - | -4.39% |
| 06/11 | 6,340 | 6,540 | 6,190 | 6,510 | -0.46% | 148,700 | - | -5.92% |
| 06/10 | 6,850 | 7,070 | 6,500 | 6,540 | -7.63% | 243,600 | - | -5.64% |
| 06/09 | 7,070 | 7,240 | 6,920 | 7,080 | +0.71% | 202,600 | - | +2.42% |
| 06/08 | 6,700 | 7,150 | 6,570 | 7,030 | -8.1% | 272,100 | - | +2.34% |
| 06/05 | 7,480 | 7,680 | 7,300 | 7,650 | +0.53% | 206,900 | - | +12.5% |
| 06/04 | 7,180 | 7,690 | 7,110 | 7,610 | +4.97% | 283,300 | - | +13.41% |
| 06/03 | 7,370 | 7,500 | 7,210 | 7,250 | +2.55% | 194,600 | - | +9.75% |
| 06/02 | 7,050 | 7,120 | 6,670 | 7,070 | -1.67% | 194,100 | - | +8.6% |
| 06/01 | 7,470 | 7,610 | 7,040 | 7,190 | -3.36% | 221,400 | - | +12.03% |
| 05/29 | 7,520 | 7,700 | 7,300 | 7,440 | +0.68% | 413,200 | - | +17.8% |
| 05/28 | 6,700 | 7,520 | 6,540 | 7,390 | +7.88% | 418,900 | - | +19.17% |
| 05/27 | 6,870 | 7,190 | 6,770 | 6,850 | +2.7% | 280,900 | - | +12.63% |
| 05/26 | 7,000 | 7,000 | 6,660 | 6,670 | -3.75% | 180,900 | - | +11.43% |
| 05/25 | 7,000 | 7,090 | 6,890 | 6,930 | +5.96% | 207,200 | - | +17.62% |
| 05/22 | 6,840 | 6,930 | 6,500 | 6,540 | -2.97% | 171,200 | - | +12.82% |
| 05/21 | 6,600 | 6,880 | 6,570 | 6,740 | +3.69% | 204,900 | - | +17.96% |
| 05/20 | 6,670 | 6,670 | 6,270 | 6,500 | -1.07% | 299,200 | - | +15.74% |
| 05/19 | 6,730 | 6,730 | 6,430 | 6,570 | -1.65% | 245,100 | - | +19.04% |
| 05/18 | 6,740 | 6,930 | 6,560 | 6,680 | +0.6% | 295,700 | - | +23.27% |
| 05/15 | 6,670 | 6,730 | 6,420 | 6,640 | -3.35% | 365,000 | - | +25.26% |
| 05/14 | （IR情報）16:00 2026年12月期第1四半期決算説明質疑応答集 |
| 05/14 | （IR情報）16:00 2026年12月期第1四半期決算説明資料 |
| 05/14 | （IR情報）16:00 2026年12月期第1四半期決算短信〔日本基準〕(連結) |
| 05/14 | （IR情報）16:00 個人投資家向けIRセミナー「Kabu Berry」参加のお知らせ |
| 05/14 | 6,910 | 7,180 | 6,850 | 6,870 | +2.38% | 330,300 | - | +32.57% |
| 05/13 | 6,440 | 6,740 | 6,440 | 6,710 | -1.9% | 296,000 | - | +32.82% |
| 05/12 | 6,700 | 7,040 | 6,680 | 6,840 | +2.4% | 286,900 | - | +38.83% |
| 05/12 | （空売り報告）野村證券 27,614株（0.1%）-0.58%義務消失 |
| 05/11 | （IR情報）15:30 LEシステムの手掛けるパワーコンディショナーが ドイツVDEプロトタイプ確認認証を取得 |
| 05/11 | 7,100 | 7,190 | 6,680 | 6,680 | -4.98% | 409,500 | - | +39.08% |
| 05/08 | 6,710 | 7,090 | 6,650 | 7,030 | +3.69% | 404,900 | - | +50.28% |
| 05/07 | 6,500 | 7,050 | 6,410 | 6,780 | +11.51% | 862,100 | - | +49.14% |
10年以上蓄積したファイナンスデータとAIを掛け合わせて、投資の意思決定を加速させるポジションです。
