| 2026 |
| 06/03 | 3,130 | 3,170 | 3,125 | 3,170 | +1.12% | 53,200 | 1045億9548万 | +1.73% |
| 06/02 | 3,120 | 3,165 | 3,095 | 3,135 | -0.48% | 58,200 | 1034億4064万 | +0.71% |
| 06/01 | 3,180 | 3,180 | 3,120 | 3,150 | -0.94% | 58,500 | 1039億3557万 | +1.29% |
| 05/29 | 3,190 | 3,225 | 3,180 | 3,180 | -0.16% | 79,600 | 1049億2543万 | +2.28% |
| 05/28 | 3,180 | 3,205 | 3,160 | 3,185 | +0.63% | 91,100 | 1050億9041万 | +2.48% |
| 05/27 | 3,135 | 3,185 | 3,135 | 3,165 | +0.8% | 66,900 | 1044億3050万 | +1.8% |
| 05/26 | 3,135 | 3,165 | 3,120 | 3,140 | -0.16% | 55,600 | 1036億561万 | +0.93% |
| 05/25 | 3,170 | 3,170 | 3,125 | 3,145 | -0.47% | 59,900 | 1037億7059万 | +0.96% |
| 05/22 | 3,215 | 3,215 | 3,155 | 3,160 | -1.56% | 54,400 | 1042億6552万 | +1.38% |
| 05/21 | 3,205 | 3,240 | 3,205 | 3,210 | 0% | 36,900 | 1059億1529万 | +2.92% |
| 05/20 | 3,290 | 3,290 | 3,180 | 3,210 | -2.73% | 80,900 | 1059億1529万 | +2.98% |
| 05/19 | 3,245 | 3,300 | 3,235 | 3,300 | +3.29% | 87,200 | 1088億8488万 | +5.8% |
| 05/18 | 3,160 | 3,250 | 3,145 | 3,195 | +1.11% | 136,400 | 1054億2036万 | +2.5% |
| 05/15 | 3,120 | 3,220 | 3,120 | 3,160 | +3.61% | 146,600 | 1042億6552万 | +1.31% |
| 05/14 | (IR情報)15:30 業績連動型株式報酬制度の導入に関するお知らせ |
| 05/14 | (IR情報)15:30 2026年3月期決算短信〔日本基準〕(連結) |
| 05/14 | (IR情報)15:30 当社株券等の大規模買付け行為に関する対応策(買収防衛策)の非継続(廃止)および定款一部変更に関するお知らせ |
| 05/14 | (IR情報)15:30 剰余金の配当(増配)に関するお知らせ |
| 05/14 | 3,020 | 3,050 | 3,015 | 3,050 | +0.99% | 39,000 | 1006億3603万 | -2.34% |
| 05/13 | 3,025 | 3,055 | 3,010 | 3,020 | -0.17% | 55,200 | 996億4616万 | -3.55% |
| 05/12 | 3,035 | 3,040 | 3,010 | 3,025 | +0.5% | 46,800 | 998億1114万 | -3.66% |
| 05/11 | 2,994 | 3,025 | 2,990 | 3,010 | 0% | 57,000 | 993億1621万 | -4.47% |
| 05/08 | 3,020 | 3,025 | 2,981 | 3,010 | -0.17% | 96,400 | 993億1621万 | -4.78% |
| 05/07 | 3,010 | 3,040 | 3,010 | 3,015 | +0.17% | 74,100 | 994億8119万 | -4.92% |
| 05/01 | 3,055 | 3,055 | 3,010 | 3,010 | -1.79% | 52,700 | 993億1621万 | -5.44% |
| 04/30 | 3,055 | 3,065 | 3,035 | 3,065 | -0.49% | 63,100 | 1011億3096万 | -4.07% |
| 04/28 | 3,060 | 3,080 | 3,040 | 3,080 | +0.98% | 46,700 | 1016億2589万 | -3.9% |
| 04/27 | 3,065 | 3,085 | 3,045 | 3,050 | -0.65% | 54,300 | 1006億3603万 | -5.01% |
| 04/24 | 3,095 | 3,100 | 3,065 | 3,070 | -0.49% | 53,000 | 1012億9593万 | -4.54% |
| 04/23 | 3,065 | 3,090 | 3,045 | 3,085 | +0.65% | 65,300 | 1017億9087万 | -4.31% |
| 04/22 | 3,100 | 3,105 | 3,045 | 3,065 | -1.45% | 92,600 | 1011億3096万 | -5.2% |
| 04/21 | 3,175 | 3,185 | 3,110 | 3,110 | -2.05% | 52,400 | 1026億1575万 | -4.04% |
| 04/20 | 3,225 | 3,225 | 3,165 | 3,175 | -1.09% | 43,200 | 1047億6045万 | -2.22% |
| 04/17 | 3,200 | 3,220 | 3,185 | 3,210 | 0% | 45,000 | 1059億1529万 | -1.23% |
| 04/16 | 3,225 | 3,235 | 3,195 | 3,210 | -0.62% | 63,400 | 1059億1529万 | -1.32% |
| 04/15 | 3,190 | 3,230 | 3,190 | 3,230 | +1.25% | 66,500 | 1065億7520万 | -0.89% |
| 04/14 | 3,205 | 3,215 | 3,170 | 3,190 | -0.62% | 48,600 | 1052億5538万 | -2.24% |
| 04/13 | 3,215 | 3,225 | 3,185 | 3,210 | +0.94% | 57,500 | 1059億1529万 | -1.83% |
| 04/10 | 3,245 | 3,255 | 3,180 | 3,180 | -2% | 63,300 | 1049億2543万 | -2.9% |
| 04/09 | 3,265 | 3,295 | 3,245 | 3,245 | -0.46% | 50,400 | 1070億7013万 | -1.13% |
| 04/08 | 3,280 | 3,280 | 3,235 | 3,260 | +0.31% | 79,500 | 1075億6506万 | -0.64% |
| 04/07 | 3,245 | 3,285 | 3,230 | 3,250 | +0.31% | 46,000 | 1072億3511万 | -1.1% |
| 04/06 | 3,265 | 3,265 | 3,235 | 3,240 | -0.46% | 42,700 | 1069億516万 | -1.61% |
| 04/03 | 3,290 | 3,290 | 3,240 | 3,255 | 0% | 51,300 | 1074億9万 | -1.39% |
| 04/02 | 3,285 | 3,300 | 3,255 | 3,255 | -1.36% | 51,300 | 1074億9万 | -1.54% |
| 04/01 | 3,280 | 3,300 | 3,260 | 3,300 | +1.23% | 49,500 | 1088億8488万 | -0.33% |
| 03/31 | 3,255 | 3,285 | 3,240 | 3,260 | +0.31% | 65,000 | 1075億6506万 | -1.75% |
| 03/30 | 3,165 | 3,250 | 3,150 | 3,250 | -1.96% | 126,000 | 1072億3511万 | -2.2% |
| 03/27 | 3,335 | 3,350 | 3,305 | 3,315 | -0.15% | 216,000 | 1093億7981万 | -0.39% |
| 03/26 | 3,305 | 3,330 | 3,290 | 3,320 | +0.3% | 125,800 | 1095億4479万 | -0.3% |
| 03/25 | 3,300 | 3,315 | 3,280 | 3,310 | +2.32% | 107,300 | 1092億1484万 | -0.63% |
| 03/24 | 3,200 | 3,245 | 3,175 | 3,235 | +2.05% | 136,900 | 1067億4018万 | -2.91% |
| 03/23 | 3,235 | 3,235 | 3,150 | 3,170 | -2.76% | 133,100 | 1045億9548万 | -5.03% |
| 03/19 | 3,300 | 3,310 | 3,250 | 3,260 | -1.51% | 80,600 | 1075億6506万 | -2.54% |
| 03/18 | 3,285 | 3,315 | 3,275 | 3,310 | +0.91% | 68,400 | 1092億1484万 | -1.16% |
| 03/17 | 3,260 | 3,290 | 3,260 | 3,280 | +0.77% | 41,600 | 1082億2497万 | -2.06% |
| 03/16 | 3,255 | 3,275 | 3,230 | 3,255 | 0% | 74,500 | 1074億9万 | -2.81% |
| 03/13 | 3,275 | 3,305 | 3,250 | 3,255 | -0.76% | 69,900 | 1074億9万 | -2.78% |
| 03/12 | 3,350 | 3,350 | 3,270 | 3,280 | -2.09% | 62,000 | 1082億2497万 | -2% |
| 03/11 | 3,375 | 3,385 | 3,350 | 3,350 | +0.15% | 46,500 | 1105億3465万 | +0.21% |
| 03/10 | 3,370 | 3,385 | 3,340 | 3,345 | -0.15% | 76,800 | 1103億6967万 | +0.24% |
| 03/09 | 3,250 | 3,350 | 3,245 | 3,350 | +0.45% | 118,800 | 1105億3465万 | +0.63% |
| 03/06 | 3,320 | 3,350 | 3,300 | 3,335 | -0.6% | 48,600 | 1100億3972万 | +0.45% |
| 03/05 | 3,335 | 3,365 | 3,315 | 3,355 | +3.55% | 99,900 | 1106億9963万 | +1.3% |
| 03/04 | 3,300 | 3,315 | 3,235 | 3,240 | -3.71% | 145,000 | 1069億516万 | -2% |
| 03/03 | 3,440 | 3,440 | 3,350 | 3,365 | -2.18% | 99,600 | 1110億2958万 | +1.82% |
| 03/02 | 3,415 | 3,455 | 3,395 | 3,440 | +0.44% | 115,100 | 1135億424万 | +4.27% |
| 02/27 | 3,380 | 3,440 | 3,375 | 3,425 | +1.33% | 85,500 | 1130億931万 | +4.07% |
| 02/26 | 3,405 | 3,410 | 3,365 | 3,380 | -0.59% | 109,700 | 1115億2451万 | +3.02% |
| 02/25 | 3,455 | 3,455 | 3,400 | 3,400 | -1.59% | 100,700 | 1121億8442万 | +3.88% |
| 02/24 | 3,425 | 3,455 | 3,380 | 3,455 | +2.07% | 168,300 | 1139億9917万 | +5.88% |
| 02/20 | (IR情報)15:30 昭和産業グループ経営理念の改定、中期経営戦略の策定、および配当方針の変更に関するお知らせ |
| 02/20 | (IR情報)13:00 代表取締役の異動に関するお知らせ |
| 02/20 | (IR情報)13:00 役員等の異動に関するお知らせ |
| 02/20 | 3,375 | 3,385 | 3,340 | 3,385 | -0.15% | 51,800 | 1116億8949万 | +4.15% |
| 02/19 | 3,350 | 3,390 | 3,315 | 3,390 | +1.19% | 90,400 | 1118億5447万 | +4.66% |
| 02/18 | 3,350 | 3,355 | 3,335 | 3,350 | -0.15% | 43,200 | 1105億3465万 | +3.78% |
| 02/17 | 3,345 | 3,370 | 3,340 | 3,355 | +0.3% | 50,400 | 1106億9963万 | +4.26% |
| 02/16 | 3,355 | 3,355 | 3,330 | 3,345 | -0.59% | 48,100 | 1103億6967万 | +4.3% |
| 02/13 | 3,380 | 3,395 | 3,325 | 3,365 | 0% | 70,000 | 1110億2958万 | +5.25% |
| 02/12 | 3,340 | 3,375 | 3,330 | 3,365 | +0.75% | 75,200 | 1110億2958万 | +5.68% |
| 02/10 | 3,310 | 3,365 | 3,310 | 3,340 | +0.3% | 99,700 | 1102億470万 | +5.36% |
| 02/09 | 3,315 | 3,330 | 3,245 | 3,330 | +1.68% | 159,800 | 1098億7474万 | +5.41% |
| 02/06 | (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) |
| 02/06 | 3,260 | 3,275 | 3,230 | 3,275 | +1.24% | 96,400 | 1080億6000万 | +4.1% |
| 02/05 | 3,235 | 3,255 | 3,230 | 3,235 | +0.62% | 74,700 | 1067億4018万 | +3.16% |
| 02/04 | 3,215 | 3,230 | 3,180 | 3,215 | +1.1% | 103,200 | 1060億8027万 | +2.85% |
| 02/03 | 3,200 | 3,220 | 3,180 | 3,180 | -0.47% | 74,800 | 1049億2543万 | +2.02% |
| 02/02 | 3,180 | 3,215 | 3,155 | 3,195 | +1.43% | 110,600 | 1054億2036万 | +2.83% |
| 01/30 | 3,135 | 3,150 | 3,115 | 3,150 | +0.48% | 63,400 | 1039億3557万 | +1.78% |
| 01/29 | 3,125 | 3,145 | 3,085 | 3,135 | 0% | 62,800 | 1034億4064万 | +1.69% |
| 01/28 | 3,200 | 3,200 | 3,135 | 3,135 | -2.18% | 75,100 | 1034億4064万 | +2.02% |
| 01/27 | 3,200 | 3,215 | 3,170 | 3,205 | +0.16% | 95,000 | 1057億5032万 | +4.67% |
| 01/26 | 3,230 | 3,235 | 3,195 | 3,200 | -1.08% | 69,100 | 1055億8534万 | +4.99% |
| 01/23 | 3,225 | 3,240 | 3,200 | 3,235 | +0.47% | 95,900 | 1067億4018万 | +6.66% |
| 01/22 | 3,185 | 3,225 | 3,175 | 3,220 | +1.42% | 100,100 | 1062億4525万 | +6.69% |
| 01/21 | 3,175 | 3,180 | 3,145 | 3,175 | -0.47% | 117,100 | 1047億6045万 | +5.69% |
| 01/20 | 3,180 | 3,200 | 3,175 | 3,190 | +1.11% | 90,600 | 1052億5538万 | +6.65% |
| 01/19 | 3,130 | 3,170 | 3,130 | 3,155 | +0.8% | 101,000 | 1041億55万 | +5.91% |
| 01/16 | 3,120 | 3,130 | 3,100 | 3,130 | +0.64% | 113,300 | 1032億7566万 | +5.49% |
| 01/15 | 3,105 | 3,140 | 3,105 | 3,110 | 0% | 107,900 | 1026億1575万 | +5.17% |
| 01/14 | 3,100 | 3,115 | 3,090 | 3,110 | +0.32% | 118,500 | 1026億1575万 | +5.53% |
| 01/13 | 3,095 | 3,115 | 3,065 | 3,100 | +0.49% | 143,200 | 1022億8580万 | +5.55% |
| 01/09 | 3,100 | 3,115 | 3,075 | 3,085 | -0.16% | 125,900 | 1017億9087万 | +5.33% |
| 01/09 | (空売り報告)野村證券 35,327株(0.1%)-1.49%義務消失 |
| 01/08 | 3,085 | 3,100 | 3,060 | 3,090 | +1.81% | 212,100 | 1019億5584万 | +5.79% |
| 01/07 | 3,030 | 3,055 | 3,010 | 3,035 | +0.17% | 110,600 | 1001億4109万 | +4.15% |
| 01/06 | 3,055 | 3,095 | 3,020 | 3,030 | -0.66% | 207,300 | 999億7612万 | +3.87% |
| 01/05 | 3,000 | 3,060 | 2,998 | 3,050 | +1.16% | 312,500 | 1006億3603万 | +4.49% |