| 2026 |
| 03/06 | 5,030 | 5,170 | 4,985 | 5,150 | +0.98% | 184,600 | 3733億1701万 | +1.98% |
| 03/05 | 5,140 | 5,190 | 5,040 | 5,100 | +1.19% | 292,600 | 3696億9257万 | +1.33% |
| 03/04 | 5,010 | 5,140 | 4,935 | 5,040 | -4.18% | 239,300 | 3653億4324万 | +0.26% |
| 03/03 | 5,440 | 5,460 | 5,230 | 5,260 | -3.31% | 148,000 | 3812億9077万 | +4.84% |
| 03/02 | 5,280 | 5,460 | 5,270 | 5,440 | -0.37% | 131,800 | 3943億3874万 | +8.8% |
| 02/27 | 5,320 | 5,490 | 5,300 | 5,460 | +1.68% | 173,100 | 3957億8852万 | +9.79% |
| 02/26 | 5,520 | 5,520 | 5,320 | 5,370 | -0.19% | 173,800 | 3892億6453万 | +8.68% |
| 02/25 | 5,380 | 5,450 | 5,320 | 5,380 | +0.75% | 154,600 | 3899億8942万 | +9.53% |
| 02/24 | 5,240 | 5,370 | 5,200 | 5,340 | +3.49% | 166,500 | 3870億8987万 | +9.29% |
| 02/20 | 5,180 | 5,200 | 5,120 | 5,160 | -1.53% | 129,400 | 3740億4189万 | +6.17% |
| 02/19 | 5,080 | 5,260 | 5,060 | 5,240 | +2.54% | 197,400 | 3798億4099万 | +8.29% |
| 02/18 | 5,050 | 5,130 | 5,010 | 5,110 | +3.65% | 231,700 | 3704億1746万 | +6.13% |
| 02/17 | 4,900 | 4,965 | 4,845 | 4,930 | -0.5% | 193,700 | 3573億6948万 | +2.86% |
| 02/16 | 4,800 | 4,975 | 4,770 | 4,955 | +4.54% | 325,100 | 3591億8170万 | +3.81% |
| 02/13 | (IR情報)15:00 鳳凰山域における生物多様性の保全および増進に関する協働協定を締結 |
| 02/13 | 4,865 | 4,890 | 4,740 | 4,740 | -3.17% | 300,000 | 3435億9662万 | -0.32% |
| 02/12 | 4,890 | 4,910 | 4,855 | 4,895 | +1.03% | 401,000 | 3548億3238万 | +3.14% |
| 02/10 | 5,050 | 5,050 | 4,815 | 4,845 | -4.81% | 525,000 | 3512億794万 | +2.43% |
| 02/09 | (IR情報)13:00 役員人事についてのお知らせ |
| 02/09 | (IR情報)13:00 2026年3月期第3四半期決算短信〔日本基準〕(連結) |
| 02/09 | 5,000 | 5,220 | 4,835 | 5,090 | +3.88% | 708,400 | 3689億6768万 | +7.95% |
| 02/06 | 4,850 | 4,910 | 4,800 | 4,900 | +0.51% | 176,600 | 3551億9482万 | +4.52% |
| 02/05 | 4,935 | 4,945 | 4,865 | 4,875 | -0.2% | 134,000 | 3533億8260万 | +4.46% |
| 02/04 | 4,870 | 4,895 | 4,815 | 4,885 | +0.31% | 176,200 | 3541億749万 | +5.17% |
| 02/03 | 4,765 | 4,880 | 4,750 | 4,870 | +3.62% | 117,100 | 3530億2016万 | +5.3% |
| 02/02 | 4,785 | 4,865 | 4,685 | 4,700 | -1.36% | 128,000 | 3406億9707万 | +2.04% |
| 01/30 | 4,760 | 4,795 | 4,710 | 4,765 | +0.21% | 110,900 | 3454億884万 | +3.68% |
| 01/29 | 4,750 | 4,785 | 4,710 | 4,755 | +0.53% | 102,600 | 3446億8395万 | +3.75% |
| 01/28 | 4,805 | 4,830 | 4,730 | 4,730 | -4.35% | 203,900 | 3428億7174万 | +3.57% |
| 01/27 | 4,755 | 4,955 | 4,750 | 4,945 | +3.13% | 262,700 | 3584億5681万 | +8.71% |
| 01/26 | 4,795 | 4,825 | 4,765 | 4,795 | -0.83% | 183,700 | 3475億8350万 | +6.08% |
| 01/23 | 4,765 | 4,880 | 4,745 | 4,835 | +1.58% | 166,100 | 3504億8305万 | +7.54% |
| 01/22 | 4,680 | 4,790 | 4,680 | 4,760 | +2.04% | 143,000 | 3450億4640万 | +6.42% |
| 01/21 | (IR情報)16:00 会社人事に関するお知らせ |
| 01/21 | 4,605 | 4,665 | 4,590 | 4,665 | +0.65% | 119,200 | 3381億5997万 | +4.71% |
| 01/20 | 4,670 | 4,700 | 4,610 | 4,635 | -1.9% | 126,400 | 3359億8530万 | +4.42% |
| 01/19 | 4,705 | 4,760 | 4,670 | 4,725 | +0.43% | 89,700 | 3425億929万 | +6.73% |
| 01/16 | 4,600 | 4,720 | 4,585 | 4,705 | +1.62% | 169,300 | 3410億5952万 | +6.71% |
| 01/15 | 4,600 | 4,660 | 4,600 | 4,630 | +0.11% | 131,200 | 3356億2286万 | +5.39% |
| 01/14 | (IR情報)10:00 リンテック、経済産業省の定める「DX認定」を取得 |
| 01/14 | 4,550 | 4,625 | 4,550 | 4,625 | +1.31% | 187,000 | 3352億6042万 | +5.67% |
| 01/13 | 4,580 | 4,610 | 4,550 | 4,565 | +3.16% | 195,400 | 3309億1109万 | +4.68% |
| 01/09 | 4,510 | 4,520 | 4,425 | 4,425 | -1.99% | 256,300 | 3207億6267万 | +1.79% |
| 01/08 | 4,500 | 4,580 | 4,500 | 4,515 | -0.22% | 187,900 | 3272億8666万 | +4.15% |
| 01/07 | 4,450 | 4,565 | 4,450 | 4,525 | +0.78% | 152,400 | 3280億1154万 | +4.77% |
| 01/06 | 4,485 | 4,495 | 4,430 | 4,490 | +0.56% | 168,400 | 3254億7444万 | +4.35% |
| 01/05 | 4,430 | 4,505 | 4,425 | 4,465 | +1.02% | 244,100 | 3236億6222万 | +4.15% |
| 2025 |
| 12/30 | 4,410 | 4,455 | 4,390 | 4,420 | +1.38% | 172,300 | 3204億23万 | +3.51% |
| 12/29 | 4,340 | 4,405 | 4,340 | 4,360 | +0.46% | 138,700 | 3160億5090万 | +2.59% |
| 12/26 | 4,395 | 4,400 | 4,310 | 4,340 | -0.69% | 114,700 | 3146億113万 | +2.6% |
| 12/25 | 4,425 | 4,450 | 4,345 | 4,370 | -1.02% | 162,700 | 3167億7579万 | +3.75% |
| 12/24 | 4,475 | 4,490 | 4,410 | 4,415 | -0.79% | 198,900 | 3200億3778万 | +5.4% |
| 12/23 | 4,500 | 4,500 | 4,405 | 4,450 | +0.56% | 217,100 | 3225億7489万 | +6.84% |
| 12/22 | 4,375 | 4,465 | 4,355 | 4,425 | +1.61% | 250,800 | 3207億6267万 | +6.81% |
| 12/19 | 4,285 | 4,380 | 4,275 | 4,355 | +1.87% | 244,700 | 3156億8846万 | +5.68% |
| 12/18 | 4,230 | 4,305 | 4,230 | 4,275 | +0.83% | 228,800 | 3098億8936万 | +4.14% |
| 12/17 | 4,180 | 4,265 | 4,130 | 4,240 | +1.44% | 181,000 | 3073億5225万 | +3.64% |
| 12/16 | 4,275 | 4,280 | 4,170 | 4,180 | -2.22% | 167,200 | 3030億293万 | +2.53% |
| 12/15 | (IR情報)10:00 「第94回 全日本フィギュアスケート選手権大会」リンテック協賛のお知らせ |
| 12/15 | 4,265 | 4,300 | 4,215 | 4,275 | -0.7% | 194,000 | 3098億8936万 | +5.19% |
| 12/12 | 4,305 | 4,330 | 4,240 | 4,305 | +1.06% | 160,600 | 3120億6402万 | +6.35% |
| 12/11 | 4,340 | 4,340 | 4,240 | 4,260 | -1.5% | 114,700 | 3088億203万 | +5.5% |
| 12/10 | 4,310 | 4,355 | 4,300 | 4,325 | +0.82% | 118,900 | 3135億1380万 | +7.51% |
| 12/09 | 4,300 | 4,315 | 4,280 | 4,290 | -0.12% | 105,900 | 3109億7669万 | +7.01% |
| 12/08 | 4,255 | 4,305 | 4,235 | 4,295 | +1.3% | 109,000 | 3113億3913万 | +7.54% |
| 12/05 | 4,175 | 4,295 | 4,175 | 4,240 | +0.47% | 155,900 | 3073億5225万 | +6.64% |
| 12/04 | 4,180 | 4,260 | 4,180 | 4,220 | +0.24% | 135,300 | 3059億248万 | +6.51% |
| 12/03 | 4,150 | 4,295 | 4,150 | 4,210 | +1.69% | 266,400 | 3051億7759万 | +6.64% |
| 12/02 | 4,110 | 4,155 | 4,090 | 4,140 | +0.98% | 169,600 | 3001億338万 | +5.1% |
| 12/01 | 4,125 | 4,140 | 4,085 | 4,100 | -0.85% | 93,800 | 2972億383万 | +4.35% |
| 11/28 | 4,090 | 4,150 | 4,080 | 4,135 | +0.98% | 175,600 | 2997億4093万 | +5.43% |
| 11/27 | 4,025 | 4,095 | 4,015 | 4,095 | +1.61% | 148,100 | 2968億4139万 | +4.76% |
| 11/26 | 3,945 | 4,050 | 3,905 | 4,030 | +2.94% | 166,600 | 2921億2962万 | +3.44% |
| 11/25 | (IR情報)13:00 会社人事に関するお知らせ |
| 11/25 | 4,000 | 4,000 | 3,905 | 3,915 | +1.29% | 102,800 | 2837億9341万 | +0.75% |
| 11/21 | 3,835 | 3,885 | 3,835 | 3,865 | -0.39% | 167,700 | 2801億6898万 | -0.34% |
| 11/20 | 3,865 | 3,910 | 3,850 | 3,880 | +1.84% | 127,900 | 2812億5631万 | +0.18% |
| 11/19 | 3,810 | 3,840 | 3,780 | 3,810 | +0.13% | 100,300 | 2761億8209万 | -1.5% |
| 11/18 | 3,900 | 3,900 | 3,795 | 3,805 | -2.31% | 157,800 | 2758億1965万 | -1.48% |
| 11/17 | (IR情報)10:00 剥離紙・剥離フィルム、工程紙などの価格改定を実施 |
| 11/17 | (IR情報)10:00 特殊紙全般の価格改定を実施 |
| 11/17 | (IR情報)10:00 シール・ラベル用粘着紙・粘着フィルム全般の価格改定を実施 |
| 11/17 | 3,880 | 3,895 | 3,855 | 3,895 | 0% | 95,400 | 2823億4364万 | +0.96% |
| 11/14 | 3,905 | 3,935 | 3,870 | 3,895 | -1.02% | 102,700 | 2823億4364万 | +1.06% |
| 11/13 | 3,965 | 3,980 | 3,925 | 3,935 | -0.13% | 100,700 | 2852億4319万 | +2.29% |
| 11/12 | 3,900 | 3,945 | 3,880 | 3,940 | +1.68% | 91,700 | 2856億563万 | +2.6% |
| 11/11 | 3,900 | 3,910 | 3,855 | 3,875 | +0.52% | 76,400 | 2808億9386万 | +1.15% |
| 11/10 | (IR情報)10:00 令和7年度 関東地方発明表彰「発明奨励賞」を受賞 |
| 11/10 | 3,915 | 3,915 | 3,825 | 3,855 | -0.64% | 151,800 | 2794億4409万 | +0.81% |
| 11/07 | (IR情報)14:20 (訂正)「会社人事に関するお知らせ」の一部訂正について |
| 11/07 | (IR情報)13:00 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)13:00 会社人事に関するお知らせ |
| 11/07 | 3,985 | 4,010 | 3,705 | 3,880 | -4.2% | 423,500 | 2812億5631万 | +1.7% |
| 11/06 | 3,925 | 4,050 | 3,925 | 4,050 | +3.98% | 275,700 | 2935億7939万 | +6.52% |
| 11/05 | 3,905 | 3,940 | 3,805 | 3,895 | -1.89% | 162,400 | 2823億4364万 | +2.88% |
| 11/04 | (IR情報)14:00 リンテック、「令和7年度 広域自治体における資源循環システム構築の実証事業」に参画 |
| 11/04 | 3,950 | 4,030 | 3,940 | 3,970 | +1.15% | 261,200 | 2877億8029万 | +5.19% |
| 10/31 | 3,850 | 3,925 | 3,840 | 3,925 | +1.95% | 190,000 | 2845億1830万 | +4.33% |
| 10/30 | 3,860 | 3,885 | 3,850 | 3,850 | -0.52% | 523,300 | 2790億8164万 | +2.64% |
| 10/29 | 3,890 | 3,925 | 3,850 | 3,870 | -0.26% | 141,300 | 2805億3142万 | +3.39% |
| 10/28 | 3,950 | 3,960 | 3,875 | 3,880 | -2.39% | 192,900 | 2812億5631万 | +3.91% |
| 10/27 | 3,955 | 3,975 | 3,940 | 3,975 | +1.92% | 176,600 | 2881億4274万 | +6.71% |
| 10/24 | 3,900 | 3,920 | 3,885 | 3,900 | -0.51% | 136,900 | 2827億608万 | +5.06% |
| 10/23 | 3,800 | 3,940 | 3,785 | 3,920 | +2.89% | 342,000 | 2841億5586万 | +5.97% |
| 10/22 | 3,780 | 3,820 | 3,760 | 3,810 | +1.06% | 164,500 | 2761億8209万 | +3.36% |
| 10/21 | 3,795 | 3,815 | 3,755 | 3,770 | -0.4% | 144,300 | 2732億8254万 | +2.47% |
| 10/20 | 3,760 | 3,785 | 3,740 | 3,785 | +1.88% | 81,700 | 2743億6988万 | +3.11% |
| 10/17 | 3,725 | 3,730 | 3,690 | 3,715 | -0.54% | 122,300 | 2692億9566万 | +1.42% |
| 10/16 | 3,765 | 3,775 | 3,710 | 3,735 | -0.53% | 108,700 | 2707億4544万 | +2.1% |
| 10/15 | 3,705 | 3,755 | 3,685 | 3,755 | +2.18% | 113,200 | 2721億9521万 | +2.82% |
| 10/14 | 3,600 | 3,690 | 3,580 | 3,675 | -0.81% | 361,000 | 2663億9611万 | +0.88% |
| 10/10 | 3,735 | 3,750 | 3,685 | 3,705 | -2.11% | 161,400 | 2685億7078万 | +1.93% |
| 10/09 | (自社株買い)取締役会(2025年2月6日)での決議状況(取得期間2025年2月7日~2025年9月30日) |
| 10/09 | 3,705 | 3,785 | 3,705 | 3,785 | +1.88% | 142,500 | 2743億6988万 | +4.38% |
| 10/08 | 3,750 | 3,785 | 3,700 | 3,715 | -1.46% | 173,300 | 2692億9566万 | +2.77% |
| 10/07 | 3,735 | 3,790 | 3,735 | 3,770 | +1.48% | 180,500 | 2732億8254万 | +4.58% |