| 2026 |
| 03/06 | (5%ルール)UBS Asset Management (Americas) LLC.(1.85%)ユービーエス・エイ・ジー(銀行)(3.3%) |
| 03/06 | 4,175 | 4,180 | 4,175 | 4,175 | 0% | 72,200 | 1522億1261万 | -0.48% |
| 03/05 | 4,185 | 4,195 | 4,170 | 4,175 | -0.24% | 78,700 | 1522億1261万 | -0.48% |
| 03/04 | (IR情報)15:30 当社親会社である日本製鉄株式会社による当社株式に対する公開買付けの結果に関するお知らせ |
| 03/04 | 4,165 | 4,185 | 4,165 | 4,185 | +0.48% | 83,200 | 1525億7719万 | -0.24% |
| 03/03 | 4,170 | 4,175 | 4,165 | 4,165 | -0.12% | 48,000 | 1518億4803万 | -0.72% |
| 03/02 | 4,185 | 4,185 | 4,160 | 4,170 | -0.71% | 56,200 | 1520億3032万 | -0.6% |
| 02/27 | 4,190 | 4,200 | 4,190 | 4,200 | 0% | 49,600 | 1531億2407万 | +0.12% |
| 02/26 | 4,205 | 4,205 | 4,200 | 4,200 | 0% | 100,900 | 1531億2407万 | +0.14% |
| 02/25 | 4,205 | 4,210 | 4,200 | 4,200 | -0.12% | 405,200 | 1531億2407万 | +0.17% |
| 02/24 | 4,205 | 4,210 | 4,205 | 4,205 | 0% | 161,700 | 1533億636万 | +0.31% |
| 02/20 | (IR情報)15:30 臨時株主総会招集のための基準日設定に関するお知らせ |
| 02/20 | (IR情報)15:00 役員の異動に関するお知らせ |
| 02/20 | (5%ルール)UBS Asset Management (Americas) LLC.(1.85%)UBS Europe SE(0.45%)ユービーエス・エイ・ジー(銀行)(2.5%) |
| 02/20 | 4,205 | 4,210 | 4,205 | 4,205 | 0% | 73,800 | 1533億636万 | +0.36% |
| 02/19 | 4,205 | 4,210 | 4,205 | 4,205 | 0% | 180,600 | 1533億636万 | +0.38% |
| 02/18 | 4,200 | 4,205 | 4,200 | 4,205 | +0.12% | 71,300 | 1533億636万 | +0.41% |
| 02/17 | 4,200 | 4,205 | 4,200 | 4,200 | 0% | 65,400 | 1531億2407万 | +0.33% |
| 02/16 | 4,200 | 4,205 | 4,200 | 4,200 | -0.12% | 134,900 | 1531億2407万 | +0.36% |
| 02/13 | 4,200 | 4,205 | 4,200 | 4,205 | 0% | 151,100 | 1533億636万 | +0.5% |
| 02/12 | 4,200 | 4,205 | 4,195 | 4,205 | +0.12% | 618,700 | 1533億636万 | +0.53% |
| 02/12 | (空売り報告)Barclays Capital Securities Ltd 158,500株(0.43%)-0.14%義務消失 |
| 02/10 | 4,205 | 4,205 | 4,200 | 4,200 | -0.12% | 194,900 | 1531億2407万 | +0.45% |
| 02/10 | (空売り報告)Barclays Capital Securities Ltd 210,300株(0.57%)-0.22% |
| 02/09 | 4,200 | 4,205 | 4,200 | 4,205 | +0.12% | 127,200 | 1533億636万 | +0.6% |
| 02/06 | 4,200 | 4,205 | 4,200 | 4,200 | 0% | 103,500 | 1531億2407万 | +0.53% |
| 02/06 | (空売り報告)Barclays Capital Securities Ltd 288,200株(0.79%)-0.1% |
| 02/05 | 4,205 | 4,205 | 4,200 | 4,200 | 0% | 87,300 | 1531億2407万 | +0.55% |
| 02/04 | 4,205 | 4,205 | 4,200 | 4,200 | -0.12% | 396,200 | 1531億2407万 | +0.6% |
| 02/03 | 4,205 | 4,205 | 4,200 | 4,205 | +0.12% | 348,300 | 1533億636万 | +0.77% |
| 02/03 | (空売り報告)Barclays Capital Securities Ltd 327,000株(0.89%)-0.01% |
| 02/02 | 4,200 | 4,210 | 4,195 | 4,200 | +0.36% | 875,100 | 1531億2407万 | +0.7% |
| 01/30 | (IR情報)15:30 2026年3月期第3四半期決算短信〔日本基準〕(連結) |
| 01/30 | (IR情報)15:30 2026年3月期第3四半期決算補足説明資料 |
| 01/30 | (IR情報)15:30 当社の親会社である日本製鉄株式会社による当社株式に対する公開買付けの開始に係る賛同の意見表明及び応募推奨に関するお知らせ |
| 01/30 | 4,175 | 4,185 | 4,175 | 4,185 | +0.24% | 81,800 | 1525億7719万 | +0.38% |
| 01/30 | (空売り報告)Barclays Capital Securities Ltd 330,126株(0.9%)+0.09% |
| 01/29 | 4,175 | 4,180 | 4,175 | 4,175 | -0.12% | 29,500 | 1522億1261万 | +0.17% |
| 01/28 | 4,175 | 4,180 | 4,175 | 4,180 | 0% | 38,500 | 1523億9490万 | +0.34% |
| 01/27 | 4,175 | 4,185 | 4,175 | 4,180 | 0% | 55,700 | 1523億9490万 | +0.36% |
| 01/26 | 4,170 | 4,185 | 4,170 | 4,180 | +0.12% | 179,800 | 1523億9490万 | +0.41% |
| 01/23 | 4,170 | 4,175 | 4,170 | 4,175 | +0.12% | 42,700 | 1522億1261万 | +0.31% |
| 01/22 | 4,170 | 4,175 | 4,170 | 4,170 | 0% | 34,300 | 1520億3032万 | +0.22% |
| 01/21 | 4,170 | 4,175 | 4,170 | 4,170 | 0% | 28,500 | 1520億3032万 | +0.24% |
| 01/20 | 4,170 | 4,175 | 4,170 | 4,170 | 0% | 32,300 | 1520億3032万 | +0.26% |
| 01/19 | 4,170 | 4,175 | 4,170 | 4,170 | 0% | 25,700 | 1520億3032万 | +0.29% |
| 01/16 | 4,175 | 4,175 | 4,170 | 4,170 | 0% | 34,500 | 1520億3032万 | +0.31% |
| 01/15 | 4,170 | 4,175 | 4,170 | 4,170 | 0% | 32,700 | 1520億3032万 | +0.34% |
| 01/14 | 4,175 | 4,175 | 4,170 | 4,170 | 0% | 39,000 | 1520億3032万 | +0.36% |
| 01/13 | 4,175 | 4,180 | 4,170 | 4,170 | -0.12% | 58,300 | 1520億3032万 | +0.39% |
| 01/09 | (5%ルール)ユービーエス・エイ・ジー(銀行)(2.98%)UBS Asset Management (Americas) LLC.(2.02%)UBS Europe SE(0.25%) |
| 01/09 | 4,175 | 4,175 | 4,170 | 4,175 | 0% | 26,900 | 1522億1261万 | +0.53% |
| 01/08 | 4,175 | 4,175 | 4,170 | 4,175 | +0.12% | 34,300 | 1522億1261万 | +0.55% |
| 01/07 | 4,170 | 4,175 | 4,165 | 4,170 | +0.12% | 133,400 | 1520億3032万 | +0.46% |
| 01/06 | 4,170 | 4,170 | 4,165 | 4,165 | 0% | 37,300 | 1518億4803万 | +0.36% |
| 01/05 | 4,160 | 4,170 | 4,160 | 4,165 | +0.12% | 180,400 | 1518億4803万 | +0.36% |
| 2025 |
| 12/30 | 4,160 | 4,165 | 4,160 | 4,160 | -0.24% | 21,400 | 1516億6574万 | +0.27% |
| 12/29 | 4,160 | 4,170 | 4,160 | 4,170 | +0.36% | 59,700 | 1520億3032万 | +0.51% |
| 12/26 | 4,160 | 4,160 | 4,155 | 4,155 | 0% | 36,500 | 1514億8345万 | +0.17% |
| 12/25 | 4,155 | 4,160 | 4,150 | 4,155 | +0.12% | 88,700 | 1514億8345万 | +0.17% |
| 12/24 | 4,150 | 4,155 | 4,150 | 4,150 | -0.12% | 53,200 | 1513億116万 | +0.05% |
| 12/23 | 4,145 | 4,155 | 4,145 | 4,155 | +0.24% | 102,700 | 1514億8345万 | +0.19% |
| 12/22 | 4,150 | 4,150 | 4,145 | 4,145 | 0% | 30,600 | 1511億1887万 | -0.02% |
| 12/19 | 4,145 | 4,150 | 4,145 | 4,145 | +0.12% | 98,700 | 1511億1887万 | -0.02% |
| 12/18 | 4,145 | 4,150 | 4,140 | 4,140 | -0.12% | 146,700 | 1509億3658万 | -0.12% |
| 12/17 | 4,145 | 4,150 | 4,145 | 4,145 | 0% | 68,900 | 1511億1887万 | 0% |
| 12/16 | 4,150 | 4,150 | 4,145 | 4,145 | -0.12% | 46,200 | 1511億1887万 | 0% |
| 12/15 | 4,145 | 4,150 | 4,145 | 4,150 | +0.12% | 27,100 | 1513億116万 | +0.12% |
| 12/12 | 4,145 | 4,150 | 4,145 | 4,145 | 0% | 43,700 | 1511億1887万 | +0.02% |
| 12/11 | 4,150 | 4,150 | 4,145 | 4,145 | 0% | 40,100 | 1511億1887万 | +0.02% |
| 12/10 | 4,150 | 4,150 | 4,145 | 4,145 | 0% | 84,700 | 1511億1887万 | +0.02% |
| 12/09 | 4,145 | 4,150 | 4,145 | 4,145 | 0% | 114,200 | 1511億1887万 | +0.02% |
| 12/08 | 4,145 | 4,150 | 4,145 | 4,145 | 0% | 59,300 | 1511億1887万 | +0.05% |
| 12/05 | (5%ルール)UBS Asset Management (Americas) LLC.(2.27%)UBS Europe SE(0.89%)ユービーエス・エイ・ジー(銀行)(2.05%) |
| 12/05 | 4,145 | 4,150 | 4,145 | 4,145 | 0% | 52,200 | 1511億1887万 | +0.05% |
| 12/04 | 4,145 | 4,150 | 4,145 | 4,145 | 0% | 24,400 | 1511億1887万 | +0.05% |
| 12/03 | 4,145 | 4,150 | 4,145 | 4,145 | -0.12% | 67,800 | 1511億1887万 | +0.05% |
| 12/02 | 4,155 | 4,155 | 4,150 | 4,150 | 0% | 75,000 | 1513億116万 | +0.17% |
| 12/01 | 4,155 | 4,160 | 4,150 | 4,150 | -0.12% | 37,000 | 1513億116万 | +0.17% |
| 11/28 | 4,160 | 4,160 | 4,150 | 4,155 | 0% | 111,100 | 1514億8345万 | +0.31% |
| 11/27 | 4,150 | 4,155 | 4,145 | 4,155 | +0.24% | 165,300 | 1514億8345万 | +0.34% |
| 11/26 | 4,150 | 4,155 | 4,145 | 4,145 | -0.12% | 46,500 | 1511億1887万 | +0.12% |
| 11/25 | 4,155 | 4,160 | 4,140 | 4,150 | -0.24% | 176,300 | 1513億116万 | +0.24% |
| 11/21 | 4,145 | 4,160 | 4,140 | 4,160 | +0.36% | 148,300 | 1516億6574万 | +0.51% |
| 11/20 | 4,150 | 4,150 | 4,140 | 4,145 | 0% | 98,800 | 1511億1887万 | +0.17% |
| 11/19 | 4,135 | 4,145 | 4,135 | 4,145 | +0.24% | 259,600 | 1511億1887万 | +0.19% |
| 11/18 | 4,135 | 4,140 | 4,135 | 4,135 | 0% | 36,100 | 1507億5429万 | -0.05% |
| 11/17 | 4,140 | 4,140 | 4,135 | 4,135 | 0% | 71,000 | 1507億5429万 | -0.02% |
| 11/14 | 4,140 | 4,140 | 4,135 | 4,135 | 0% | 85,700 | 1507億5429万 | -0.02% |
| 11/14 | (空売り報告)Barclays Capital Securities Ltd 295,500株(0.81%)+0.11% |
| 11/13 | (IR情報)15:30 (開示事項の変更)「日本製鉄株式会社による当社株式に対する公開買付けの開始予定に係る賛同の意見表明及び応募推奨に関するお知らせ」の一部変更について |
| 11/13 | 4,135 | 4,140 | 4,135 | 4,135 | 0% | 155,100 | 1507億5429万 | -0.02% |
| 11/12 | 4,140 | 4,140 | 4,135 | 4,135 | -0.12% | 73,600 | 1507億5429万 | -0.02% |
| 11/11 | 4,140 | 4,140 | 4,135 | 4,140 | +0.12% | 167,800 | 1509億3658万 | +0.1% |
| 11/11 | (空売り報告)Barclays Capital Securities Ltd 255,500株(0.7%)+0.06% |
| 11/10 | 4,140 | 4,145 | 4,135 | 4,135 | -0.12% | 96,900 | 1507億5429万 | -0.02% |
| 11/07 | (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) |
| 11/07 | (IR情報)15:30 2026年3月期第2四半期決算補足説明資料 |
| 11/07 | 4,140 | 4,145 | 4,135 | 4,140 | 0% | 130,000 | 1509億3658万 | +0.1% |
| 11/07 | (空売り報告)Barclays Capital Securities Ltd 234,600株(0.64%)+0.09% |
| 11/06 | 4,140 | 4,145 | 4,140 | 4,140 | 0% | 77,300 | 1509億3658万 | +0.12% |
| 11/05 | 4,135 | 4,145 | 4,135 | 4,140 | 0% | 145,900 | 1509億3658万 | +0.15% |
| 11/04 | 4,140 | 4,145 | 4,140 | 4,140 | 0% | 94,100 | 1509億3658万 | +0.15% |
| 11/04 | (空売り報告)Barclays Capital Securities Ltd 202,700株(0.55%)新規 |
| 10/31 | 4,140 | 4,145 | 4,140 | 4,140 | -0.12% | 84,800 | 1509億3658万 | +0.17% |
| 10/30 | 4,145 | 4,145 | 4,135 | 4,145 | +0.12% | 405,400 | 1511億1887万 | +0.31% |
| 10/29 | 4,150 | 4,150 | 4,140 | 4,140 | -0.24% | 118,000 | 1509億3658万 | +0.22% |
| 10/28 | 4,145 | 4,150 | 4,140 | 4,150 | +0.24% | 83,600 | 1513億116万 | +0.48% |
| 10/27 | 4,140 | 4,145 | 4,135 | 4,140 | +0.12% | 138,100 | 1509億3658万 | +0.27% |
| 10/24 | 4,140 | 4,140 | 4,135 | 4,135 | -0.12% | 94,100 | 1507億5429万 | +0.17% |
| 10/23 | 4,135 | 4,140 | 4,130 | 4,140 | +0.24% | 181,900 | 1509億3658万 | +0.31% |
| 10/22 | 4,135 | 4,135 | 4,130 | 4,130 | 0% | 345,800 | 1505億7200万 | +0.1% |
| 10/21 | 4,130 | 4,135 | 4,130 | 4,130 | 0% | 101,000 | 1505億7200万 | +0.1% |
| 10/20 | 4,135 | 4,135 | 4,130 | 4,130 | 0% | 128,200 | 1505億7200万 | +0.12% |
| 10/17 | 4,130 | 4,135 | 4,130 | 4,130 | 0% | 49,400 | 1505億7200万 | +0.15% |
| 10/16 | 4,130 | 4,135 | 4,130 | 4,130 | 0% | 40,900 | 1505億7200万 | +0.15% |
| 10/15 | 4,135 | 4,135 | 4,130 | 4,130 | -0.12% | 122,400 | 1505億7200万 | +0.17% |
| 10/14 | 4,130 | 4,135 | 4,130 | 4,135 | +0.12% | 106,600 | 1507億5429万 | +0.29% |
| 10/10 | 4,130 | 4,135 | 4,125 | 4,130 | 0% | 219,800 | 1505億7200万 | +0.19% |
| 10/09 | 4,135 | 4,140 | 4,130 | 4,130 | -0.12% | 214,400 | 1505億7200万 | +0.22% |
| 10/08 | 4,140 | 4,140 | 4,135 | 4,135 | 0% | 115,500 | 1507億5429万 | +0.36% |
| 10/07 | 4,135 | 4,145 | 4,135 | 4,135 | 0% | 99,500 | 1507億5429万 | +0.39% |
| 09/30 | (IR情報)15:30 ジャパン・ゼネラル・プロダクト株式会社との合併(簡易・略式合併)契約締結に関するお知らせ |