| 2026 |
| 03/06 | 1,310 | 1,314 | 1,276 | 1,280 | -3.61% | 72,300 | 119億41万 | +2.73% |
| 03/05 | 1,311 | 1,343 | 1,310 | 1,328 | +6.07% | 81,500 | 123億4668万 | +6.41% |
| 03/04 | 1,300 | 1,308 | 1,244 | 1,252 | -4.94% | 173,100 | 116億4009万 | +0.32% |
| 03/03 | 1,345 | 1,349 | 1,314 | 1,317 | -1.79% | 152,600 | 122億4441万 | +5.28% |
| 03/02 | 1,318 | 1,341 | 1,301 | 1,341 | -0.96% | 131,000 | 124億6754万 | +7.02% |
| 02/27 | 1,292 | 1,355 | 1,291 | 1,354 | +5.29% | 231,700 | 125億8840万 | +8.15% |
| 02/27 | (空売り報告)大和証券 22,400株(0.24%)-0.36%義務消失 |
| 02/26 | (IR情報)17:20 プライム市場上場維持基準の適合に関するお知らせ |
| 02/26 | 1,278 | 1,302 | 1,278 | 1,286 | +1.5% | 95,200 | 119億5619万 | +2.8% |
| 02/25 | 1,282 | 1,284 | 1,267 | 1,267 | -1.02% | 54,900 | 117億7955万 | +1.2% |
| 02/24 | 1,274 | 1,284 | 1,253 | 1,280 | +0.71% | 80,500 | 119億41万 | +2.07% |
| 02/20 | 1,264 | 1,273 | 1,252 | 1,271 | +0.08% | 53,100 | 118億1674万 | +1.27% |
| 02/19 | 1,276 | 1,278 | 1,260 | 1,270 | 0% | 60,600 | 118億744万 | +1.11% |
| 02/18 | 1,255 | 1,270 | 1,255 | 1,270 | +1.6% | 49,100 | 118億744万 | +1.03% |
| 02/17 | 1,245 | 1,253 | 1,231 | 1,250 | +0.81% | 67,500 | 116億2150万 | -0.56% |
| 02/17 | (空売り報告)大和証券 56,200株(0.6%)再IN |
| 02/16 | 1,219 | 1,240 | 1,213 | 1,240 | +2.39% | 62,000 | 115億2852万 | -1.51% |
| 02/13 | (自社株買い)取締役会(2026年1月14日)での決議状況(取得期間2026年1月15日~2026年1月15日) |
| 02/13 | 1,222 | 1,228 | 1,203 | 1,211 | -1.06% | 94,900 | 112億5890万 | -3.89% |
| 02/12 | 1,221 | 1,227 | 1,212 | 1,224 | +0.25% | 53,300 | 113億7977万 | -3.01% |
| 02/10 | 1,205 | 1,236 | 1,205 | 1,221 | +2.01% | 84,000 | 113億5188万 | -3.4% |
| 02/09 | (IR情報)12:00 主要株主及び主要株主である筆頭株主の異動に関するお知らせ |
| 02/09 | 1,197 | 1,201 | 1,176 | 1,197 | 0% | 81,500 | 111億2874万 | -5.52% |
| 02/06 | 1,183 | 1,197 | 1,169 | 1,197 | +0.76% | 79,700 | 111億2874万 | -5.82% |
| 02/05 | 1,188 | 1,204 | 1,178 | 1,188 | +0.68% | 134,000 | 110億4507万 | -6.9% |
| 02/04 | 1,182 | 1,187 | 1,173 | 1,180 | +0.25% | 81,800 | 109億7069万 | -7.74% |
| 02/03 | 1,175 | 1,193 | 1,162 | 1,177 | +1.99% | 119,100 | 109億4280万 | -8.33% |
| 02/02 | 1,176 | 1,190 | 1,152 | 1,154 | -1.87% | 153,700 | 107億2896万 | -10.33% |
| 01/30 | 1,192 | 1,207 | 1,167 | 1,176 | -2.89% | 216,500 | 109億3350万 | -8.91% |
| 01/29 | 1,211 | 1,229 | 1,189 | 1,211 | -8.67% | 398,700 | 112億5890万 | -6.41% |
| 01/28 | 1,336 | 1,338 | 1,322 | 1,326 | -1.12% | 168,200 | 123億2808万 | +2.31% |
| 01/27 | 1,338 | 1,341 | 1,334 | 1,341 | +0.45% | 60,400 | 124億6754万 | +3.79% |
| 01/26 | 1,344 | 1,354 | 1,335 | 1,335 | -1.11% | 113,400 | 124億1176万 | +3.65% |
| 01/23 | 1,321 | 1,350 | 1,320 | 1,350 | +2.35% | 93,000 | 125億5122万 | +5.14% |
| 01/22 | 1,330 | 1,340 | 1,319 | 1,319 | -0.45% | 92,900 | 122億6300万 | +2.97% |
| 01/21 | 1,315 | 1,325 | 1,311 | 1,325 | +0.15% | 56,100 | 122億6552万 | +3.76% |
| 01/20 | (5%ルール)吉野炳樹(10.02%) |
| 01/20 | 1,320 | 1,323 | 1,311 | 1,323 | +0.61% | 64,100 | 122億4701万 | +4.09% |
| 01/19 | 1,306 | 1,318 | 1,304 | 1,315 | +0.77% | 92,200 | 121億7295万 | +4.2% |
| 01/16 | 1,311 | 1,311 | 1,287 | 1,305 | +0.23% | 99,700 | 120億8038万 | +4.23% |
| 01/15 | (5%ルール)吉野佳秀(9.93%) |
| 01/15 | (IR情報)10:40 自己株式立会外買付取引(ToSTNeT-3)による自己株式の取得結果及び取得終了並びに主要株主である筆頭株主の異動に関するお知らせ |
| 01/15 | 1,310 | 1,320 | 1,283 | 1,302 | +1.01% | 173,700 | 120億5261万 | +4.66% |
| 01/14 | (IR情報)17:00 代表取締役の異動(辞任)に関するお知らせ |
| 01/14 | (IR情報)17:00 自己株式の取得及び自己株式立会外買付取引(ToSTNeT-3)による自己株式の買付けに関するお知らせ |
| 01/14 | 1,279 | 1,296 | 1,273 | 1,289 | +0.7% | 83,500 | 119億3227万 | +4.37% |
| 01/13 | 1,300 | 1,300 | 1,276 | 1,280 | -0.47% | 106,700 | 118億4896万 | +4.32% |
| 01/13 | (空売り報告)大和証券 44,400株(0.47%)-0.1%義務消失 |
| 01/09 | 1,281 | 1,296 | 1,281 | 1,286 | +0.78% | 90,000 | 119億450万 | +5.41% |
| 01/08 | 1,279 | 1,289 | 1,271 | 1,276 | +1.11% | 121,700 | 118億1193万 | +5.28% |
| 01/07 | (IR情報)15:30 主要株主である筆頭株主の異動に関するお知らせ |
| 01/07 | 1,279 | 1,290 | 1,262 | 1,262 | -1.17% | 135,700 | 116億8233万 | +4.73% |
| 01/06 | 1,283 | 1,295 | 1,277 | 1,277 | -0.31% | 109,100 | 118億2118万 | +6.51% |
| 01/05 | (5%ルール)吉野炳樹(10.02%) |
| 01/05 | 1,305 | 1,310 | 1,276 | 1,281 | -1.76% | 209,000 | 118億5821万 | +7.56% |
| 2025 |
| 12/30 | 1,303 | 1,314 | 1,297 | 1,304 | -0.31% | 99,900 | 120億7112万 | +10.23% |
| 12/29 | 1,287 | 1,308 | 1,274 | 1,308 | +2.03% | 119,700 | 121億815万 | +11.41% |
| 12/26 | (IR情報)15:30 (開示事項の変更)連結子会社の異動(株式譲渡)に伴う、株式譲渡予定日の変更(譲渡完了)及び特別利益の計上に関するお知らせ |
| 12/26 | 1,293 | 1,296 | 1,275 | 1,282 | -0.62% | 69,800 | 118億6747万 | +10.04% |
| 12/25 | 1,260 | 1,291 | 1,252 | 1,290 | +3.45% | 147,300 | 119億4153万 | +11.59% |
| 12/24 | 1,245 | 1,253 | 1,234 | 1,247 | -0.56% | 59,200 | 115億4347万 | +8.72% |
| 12/23 | 1,256 | 1,262 | 1,245 | 1,254 | +0.08% | 45,300 | 116億827万 | +10.1% |
| 12/22 | 1,267 | 1,275 | 1,242 | 1,253 | -1.26% | 87,300 | 115億6594万 | +10.69% |
| 12/19 | (IR情報)11:00 海外プラントへの解体ビジネス展開に関する光洋機械産業株式会社との戦略的パートナーシップ提携合意のお知らせ |
| 12/19 | 1,239 | 1,279 | 1,237 | 1,269 | +3.42% | 149,100 | 117億1363万 | +12.7% |
| 12/18 | 1,234 | 1,244 | 1,217 | 1,227 | -0.65% | 93,600 | 113億2594万 | +9.65% |
| 12/17 | 1,226 | 1,241 | 1,192 | 1,235 | -0.64% | 211,700 | 113億9979万 | +10.96% |
| 12/16 | 1,257 | 1,280 | 1,240 | 1,243 | -2.13% | 149,500 | 114億7363万 | +12.29% |
| 12/16 | (空売り報告)大和証券 53,500株(0.57%)再IN |
| 12/15 | 1,229 | 1,277 | 1,221 | 1,270 | +3.34% | 218,600 | 117億2286万 | +15.35% |
| 12/12 | (IR情報)10:30 第三者割当による第10回新株予約権(行使価額修正条項付)の行使完了及び月間行使状況に関するお知らせ |
| 12/12 | 1,173 | 1,232 | 1,167 | 1,229 | +5.49% | 357,900 | 113億4440万 | +12.44% |
| 12/11 | 1,181 | 1,198 | 1,148 | 1,165 | +6.98% | 672,700 | 107億5364万 | +7.18% |
| 12/11 | (空売り報告)JPM Securities Japan Co Ltd. 38,861株(0.41%)-0.38%義務消失 |
| 12/11 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 45,492株(0.49%)-0.05%義務消失 |
| 12/10 | (IR情報)15:30 2026年1月期第3四半期決算説明資料 |
| 12/10 | (IR情報)15:30 連結子会社の異動(株式譲渡)に関するお知らせ |
| 12/10 | (IR情報)15:30 (開示事項の経過)連結子会社の異動(株式譲渡)の中止に関するお知らせ |
| 12/10 | (IR情報)15:30 2026年1月期第3四半期決算短信〔日本基準〕(連結) |
| 12/10 | 1,088 | 1,095 | 1,086 | 1,089 | +0.28% | 111,100 | 100億5212万 | +0.55% |
| 12/09 | 1,095 | 1,097 | 1,082 | 1,086 | -0.37% | 45,900 | 100億2443万 | +0.37% |
| 12/08 | 1,088 | 1,092 | 1,085 | 1,090 | 0% | 31,700 | 100億6135万 | +0.93% |
| 12/05 | 1,090 | 1,096 | 1,084 | 1,090 | 0% | 42,600 | 100億6135万 | +1.02% |
| 12/04 | 1,089 | 1,093 | 1,084 | 1,090 | +0.37% | 36,800 | 100億6135万 | +1.21% |
| 12/03 | 1,093 | 1,096 | 1,082 | 1,086 | -0.46% | 58,800 | 100億2443万 | +0.93% |
| 12/02 | 1,108 | 1,108 | 1,091 | 1,091 | -0.64% | 58,400 | 100億7058万 | +1.39% |
| 12/01 | (IR情報)15:30 第三者割当による第10回新株予約権(行使価額修正条項付)の月間行使状況に関するお知らせ |
| 12/01 | 1,122 | 1,122 | 1,095 | 1,098 | -1.08% | 96,400 | 101億3519万 | +2.14% |
| 11/28 | 1,091 | 1,110 | 1,090 | 1,110 | +1.74% | 110,700 | 102億4596万 | +3.35% |
| 11/27 | 1,091 | 1,094 | 1,090 | 1,091 | +0.55% | 50,800 | 100億7058万 | +1.77% |
| 11/26 | 1,082 | 1,088 | 1,079 | 1,085 | +1.02% | 21,100 | 100億1520万 | +1.31% |
| 11/25 | 1,078 | 1,081 | 1,073 | 1,074 | 0% | 35,200 | 99億1366万 | +0.47% |
| 11/21 | (IR情報)15:30 当社取締役会の実効性に関する評価結果の概要について |
| 11/21 | 1,062 | 1,079 | 1,062 | 1,074 | +0.66% | 26,500 | 99億1366万 | +0.56% |
| 11/20 | 1,067 | 1,076 | 1,064 | 1,067 | +0.66% | 31,400 | 98億4905万 | 0% |
| 11/19 | 1,062 | 1,067 | 1,054 | 1,060 | 0% | 25,600 | 97億8443万 | -0.56% |
| 11/18 | 1,074 | 1,076 | 1,055 | 1,060 | -1.58% | 73,700 | 97億8443万 | -0.38% |
| 11/18 | (空売り報告)JPM Securities Japan Co Ltd. 73,161株(0.79%)-0.02% |
| 11/18 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 50,592株(0.54%)再IN |
| 11/17 | 1,092 | 1,094 | 1,077 | 1,077 | -1.28% | 53,500 | 99億4135万 | +1.32% |
| 11/17 | (空売り報告)JPM Securities Japan Co Ltd. 75,261株(0.81%)+0.09% |
| 11/14 | 1,088 | 1,097 | 1,087 | 1,091 | -0.09% | 44,500 | 100億7058万 | +2.73% |
| 11/13 | 1,090 | 1,097 | 1,087 | 1,092 | +0.18% | 61,300 | 100億7981万 | +3.02% |
| 11/13 | (空売り報告)JPM Securities Japan Co Ltd. 66,661株(0.72%)+0.09% |
| 11/12 | 1,088 | 1,094 | 1,081 | 1,090 | +0.74% | 60,900 | 100億6135万 | +2.93% |
| 11/11 | 1,086 | 1,087 | 1,078 | 1,082 | -0.28% | 41,100 | 99億8750万 | +2.37% |
| 11/10 | 1,085 | 1,087 | 1,075 | 1,085 | +1.12% | 75,300 | 100億1520万 | +2.84% |
| 11/10 | (空売り報告)JPM Securities Japan Co Ltd. 58,861株(0.63%)+0.12% |
| 11/10 | (空売り報告)大和証券 42,400株(0.45%)-0.11%義務消失 |
| 11/07 | 1,072 | 1,077 | 1,070 | 1,073 | +0.28% | 44,500 | 99億443万 | +2% |
| 11/06 | 1,075 | 1,075 | 1,066 | 1,070 | +0.47% | 42,400 | 98億7674万 | +1.81% |
| 11/05 | 1,070 | 1,070 | 1,048 | 1,065 | -0.19% | 77,200 | 98億3058万 | +1.43% |
| 11/04 | 1,071 | 1,072 | 1,058 | 1,067 | +1.23% | 110,800 | 98億4905万 | +1.52% |
| 11/04 | (空売り報告)UBS AG 40,063株(0.43%)-0.16%義務消失 |
| 10/31 | 1,063 | 1,065 | 1,050 | 1,054 | -0.66% | 29,000 | 97億2905万 | +0.29% |
| 10/30 | 1,050 | 1,061 | 1,046 | 1,061 | +1.63% | 47,100 | 97億9366万 | +0.86% |
| 10/30 | (空売り報告)JPM Securities Japan Co Ltd. 47,761株(0.51%)新規 |
| 10/30 | (空売り報告)UBS AG 54,463株(0.59%)-0.05% |
| 10/30 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 34,692株(0.37%)-0.16%義務消失 |
| 10/29 | 1,064 | 1,064 | 1,043 | 1,044 | -1.42% | 55,000 | 96億3674万 | -0.76% |
| 10/28 | 1,072 | 1,072 | 1,055 | 1,059 | -1.21% | 41,800 | 97億7520万 | +0.57% |
| 10/28 | (空売り報告)UBS AG 59,363株(0.64%)+0.13% |
| 10/27 | 1,072 | 1,079 | 1,068 | 1,072 | +0.66% | 59,200 | 98億9520万 | +1.8% |
| 10/27 | (空売り報告)大和証券 51,800株(0.56%)-0.11% |
| 10/24 | 1,070 | 1,070 | 1,063 | 1,065 | -0.47% | 25,000 | 98億3058万 | +1.14% |
| 10/23 | 1,069 | 1,072 | 1,059 | 1,070 | -0.09% | 32,700 | 98億7674万 | +1.61% |
| 10/23 | (空売り報告)大和証券 62,500株(0.67%)-0.11% |
| 10/22 | 1,057 | 1,072 | 1,056 | 1,071 | +1.52% | 53,200 | 98億8597万 | +1.61% |
| 10/21 | 1,055 | 1,058 | 1,048 | 1,055 | +0.38% | 58,500 | 97億3828万 | +0.09% |
| 10/20 | 1,058 | 1,058 | 1,040 | 1,051 | +1.06% | 73,000 | 97億136万 | -0.38% |
| 10/20 | (空売り報告)大和証券 72,300株(0.78%)-0.12% |
| 10/17 | 1,060 | 1,065 | 1,038 | 1,040 | -0.57% | 71,400 | 95億9982万 | -1.61% |
| 10/16 | 1,050 | 1,053 | 1,045 | 1,046 | +0.1% | 53,200 | 96億5520万 | -1.78% |
| 10/15 | 1,028 | 1,049 | 1,026 | 1,045 | +2.65% | 44,400 | 96億4597万 | -2.7% |
| 10/14 | 1,020 | 1,033 | 1,015 | 1,018 | -1.93% | 82,600 | 93億9675万 | -5.91% |
| 10/10 | 1,049 | 1,049 | 1,036 | 1,038 | -1.05% | 43,600 | 95億8136万 | -4.77% |
| 10/09 | 1,053 | 1,053 | 1,045 | 1,049 | 0% | 58,900 | 96億8289万 | -4.46% |
| 10/08 | 1,049 | 1,055 | 1,048 | 1,049 | -0.1% | 49,900 | 96億8289万 | -5.15% |
| 10/07 | 1,057 | 1,057 | 1,044 | 1,050 | 0% | 49,300 | 96億9213万 | -5.66% |
| 10/07 | (空売り報告)UBS AG 47,663株(0.51%)再IN |
| 10/01 | (空売り報告)大和証券 83,900株(0.9%)+0.13% |