| 2026 |
| 08/25 | 1,331 | 1,331 | 1,305 | 1,307 | -0.76% | 7,600 | 145億3723万 | -0.53% |
| 08/24 | 1,312 | 1,317 | 1,311 | 1,317 | +0.38% | 7,300 | 146億4846万 | +0.15% |
| 08/21 | 1,312 | 1,312 | 1,312 | 1,312 | 0% | 200 | 145億9285万 | -0.23% |
| 08/20 | 1,306 | 1,312 | 1,306 | 1,312 | +0.46% | 3,200 | 145億9285万 | -0.3% |
| 08/19 | (IR情報)17:00 当社株式の貸借銘柄選定に関するお知らせ |
| 08/19 | 1,305 | 1,306 | 1,305 | 1,306 | -0.15% | 4,100 | 145億2611万 | -0.76% |
| 08/18 | 1,318 | 1,318 | 1,308 | 1,308 | 0% | 1,100 | 145億4836万 | -0.68% |
| 08/17 | 1,320 | 1,320 | 1,308 | 1,308 | -0.23% | 2,100 | 145億4836万 | -0.68% |
| 08/14 | 1,309 | 1,321 | 1,309 | 1,311 | +0.08% | 6,000 | 145億8172万 | -0.53% |
| 08/13 | 1,321 | 1,321 | 1,310 | 1,310 | -1.13% | 800 | 145億7060万 | -0.68% |
| 08/12 | 1,321 | 1,329 | 1,321 | 1,325 | +1.45% | 1,400 | 147億3744万 | +0.38% |
| 08/10 | 1,308 | 1,310 | 1,305 | 1,306 | -0.31% | 5,800 | 145億2611万 | -1.14% |
| 08/07 | 1,307 | 1,311 | 1,302 | 1,310 | -0.3% | 6,900 | 145億7060万 | -0.83% |
| 08/06 | (IR情報)16:00 2026年12月期第2四半期(中間期)連結業績予想数値と実績値との差異及び通期連結業績予想の修正に関するお知らせ |
| 08/06 | (IR情報)16:00 剰余金の配当(中間配当)に関するお知らせ |
| 08/06 | (IR情報)16:00 2026年12月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 08/06 | 1,338 | 1,346 | 1,312 | 1,314 | -0.61% | 2,300 | 146億1509万 | -0.53% |
| 08/05 | (IR情報)16:00 コーユーレンティアとサムコ、独自構造の「移動式柵」で実用新案取得 |
| 08/05 | 1,316 | 1,323 | 1,316 | 1,322 | +0.92% | 3,900 | 147億407万 | +0.08% |
| 08/04 | 1,310 | 1,310 | 1,310 | 1,310 | 0% | 300 | 145億7060万 | -0.68% |
| 08/03 | 1,315 | 1,315 | 1,309 | 1,310 | -0.61% | 1,400 | 145億7060万 | -0.76% |
| 07/30 | 1,327 | 1,329 | 1,318 | 1,318 | -0.83% | 600 | 146億5958万 | -0.3% |
| 07/29 | 1,325 | 1,329 | 1,315 | 1,329 | 0% | 1,100 | 147億8193万 | +0.53% |
| 07/28 | 1,323 | 1,333 | 1,314 | 1,329 | +0.68% | 1,100 | 147億8193万 | +0.53% |
| 07/27 | 1,314 | 1,327 | 1,310 | 1,320 | +0.46% | 1,400 | 146億8183万 | -0.08% |
| 07/24 | 1,338 | 1,338 | 1,314 | 1,314 | -0.83% | 2,800 | 146億1509万 | -0.53% |
| 07/23 | (IR情報)15:00 サークル・ワン社製の「多言語同時翻訳IP無線機 コスモトーク」を建設現場向けにレンタル開始 |
| 07/23 | 1,323 | 1,325 | 1,319 | 1,325 | +0.76% | 1,600 | 147億3744万 | +0.3% |
| 07/22 | 1,315 | 1,320 | 1,315 | 1,315 | +0.23% | 2,400 | 146億2621万 | -0.45% |
| 07/21 | 1,311 | 1,312 | 1,305 | 1,312 | +0.08% | 2,000 | 145億9285万 | -0.68% |
| 07/17 | 1,330 | 1,330 | 1,311 | 1,311 | -1.13% | 3,400 | 145億8172万 | -0.76% |
| 07/16 | 1,335 | 1,340 | 1,321 | 1,326 | +0.45% | 6,100 | 147億4856万 | +0.38% |
| 07/16 | (IR情報)9:00 (訂正)「コーユーレンティア、株主優待制度の拡充に関するお知らせ」の一部訂正について |
| 07/15 | (IR情報)16:00 コーユーレンティア、株主優待制度の拡充に関するお知らせ |
| 07/15 | 1,320 | 1,320 | 1,320 | 1,320 | -0.08% | 3,600 | 146億8183万 | -0.08% |
| 07/13 | 1,323 | 1,336 | 1,320 | 1,321 | -0.15% | 2,600 | 146億9295万 | 0% |
| 07/10 | 1,322 | 1,323 | 1,322 | 1,323 | +0.15% | 800 | 147億1519万 | +0.23% |
| 07/09 | 1,321 | 1,321 | 1,320 | 1,321 | 0% | 1,800 | 146億9295万 | +0.08% |
| 07/08 | 1,328 | 1,328 | 1,320 | 1,321 | -1.12% | 6,100 | 146億9295万 | +0.08% |
| 07/07 | 1,347 | 1,347 | 1,329 | 1,336 | 0% | 6,100 | 148億5979万 | +1.21% |
| 07/06 | 1,332 | 1,349 | 1,320 | 1,336 | +0.53% | 7,400 | 148億5979万 | +1.37% |
| 07/03 | 1,349 | 1,349 | 1,305 | 1,329 | -0.89% | 9,000 | 147億8193万 | +0.91% |
| 07/02 | 1,311 | 1,349 | 1,295 | 1,341 | +2.29% | 7,900 | 149億1540万 | +1.9% |
| 07/01 | 1,302 | 1,318 | 1,293 | 1,311 | +0.69% | 5,100 | 145億8172万 | -0.23% |
| 06/30 | 1,324 | 1,324 | 1,291 | 1,302 | -0.69% | 16,400 | 144億8162万 | -0.91% |
| 06/29 | 1,295 | 1,325 | 1,286 | 1,311 | +1.39% | 15,300 | 145億8172万 | -0.23% |
| 06/26 | 1,335 | 1,337 | 1,293 | 1,293 | -3.15% | 13,900 | 143億8152万 | -1.6% |
| 06/25 | 1,347 | 1,350 | 1,315 | 1,335 | -0.74% | 8,900 | 148億4867万 | +1.52% |
| 06/24 | 1,321 | 1,345 | 1,321 | 1,345 | +1.74% | 1,100 | 149億5989万 | +2.44% |
| 06/23 | 1,327 | 1,327 | 1,311 | 1,322 | +0.15% | 1,500 | 147億407万 | +0.76% |
| 06/22 | 1,315 | 1,330 | 1,306 | 1,320 | +0.38% | 5,400 | 146億8183万 | +0.69% |
| 06/19 | 1,321 | 1,321 | 1,311 | 1,315 | -0.38% | 5,700 | 146億2621万 | +0.23% |
| 06/18 | 1,325 | 1,350 | 1,300 | 1,320 | +0.15% | 9,700 | 146億8183万 | +0.46% |
| 06/17 | 1,311 | 1,340 | 1,311 | 1,318 | 0% | 5,500 | 146億5958万 | +0.23% |
| 06/16 | 1,321 | 1,339 | 1,300 | 1,318 | -0.68% | 4,400 | 146億5958万 | +0.23% |
| 06/15 | 1,320 | 1,327 | 1,310 | 1,327 | +0.91% | 5,900 | 147億5969万 | +0.99% |
| 06/12 | 1,319 | 1,319 | 1,315 | 1,315 | +0.38% | 500 | 146億2621万 | +0.15% |
| 06/11 | 1,329 | 1,329 | 1,305 | 1,310 | -0.38% | 1,600 | 145億7060万 | -0.15% |
| 06/10 | 1,316 | 1,329 | 1,306 | 1,315 | 0% | 3,700 | 146億2621万 | +0.31% |
| 06/09 | 1,325 | 1,335 | 1,310 | 1,315 | +0.31% | 4,800 | 146億2621万 | +0.46% |
| 06/08 | 1,304 | 1,311 | 1,301 | 1,311 | +0.08% | 6,000 | 145億8172万 | +0.23% |
| 06/05 | 1,337 | 1,337 | 1,306 | 1,310 | -0.38% | 4,700 | 145億7060万 | +0.15% |
| 06/04 | 1,319 | 1,320 | 1,315 | 1,315 | -0.3% | 1,300 | 146億2621万 | +0.54% |
| 06/03 | 1,307 | 1,330 | 1,307 | 1,319 | +1.07% | 5,200 | 146億7070万 | +0.92% |
| 06/02 | 1,302 | 1,311 | 1,302 | 1,305 | 0% | 600 | 145億1499万 | -0.08% |
| 06/01 | 1,298 | 1,310 | 1,295 | 1,305 | +0.31% | 2,200 | 145億1499万 | -0.08% |
| 05/29 | 1,304 | 1,305 | 1,290 | 1,301 | +0.46% | 5,800 | 144億7050万 | -0.38% |
| 05/28 | 1,313 | 1,313 | 1,290 | 1,295 | -0.54% | 5,400 | 144億376万 | -0.84% |
| 05/27 | 1,305 | 1,317 | 1,296 | 1,302 | -0.23% | 4,300 | 144億8162万 | -0.31% |
| 05/26 | 1,310 | 1,324 | 1,295 | 1,305 | -0.84% | 10,700 | 145億1499万 | -0.08% |
| 05/25 | 1,335 | 1,340 | 1,314 | 1,316 | +0.84% | 6,200 | 146億3734万 | +0.77% |
| 05/22 | 1,308 | 1,338 | 1,305 | 1,305 | +0.38% | 2,900 | 145億1499万 | -0.08% |
| 05/21 | (5%ルール)ワイドフレンズ(67.72%)梅木孝治(2.65%) |
| 05/21 | 1,301 | 1,311 | 1,280 | 1,300 | -0.38% | 8,900 | 144億5938万 | -0.46% |
| 05/20 | 1,305 | 1,306 | 1,302 | 1,305 | -0.61% | 5,500 | 145億1499万 | -0.08% |
| 05/19 | 1,345 | 1,345 | 1,270 | 1,313 | -2.09% | 19,600 | 146億397万 | +0.54% |
| 05/18 | 1,358 | 1,358 | 1,315 | 1,341 | -0.81% | 5,400 | 149億1540万 | +2.68% |
| 05/15 | 1,382 | 1,382 | 1,332 | 1,352 | -0.66% | 3,700 | 150億3775万 | +3.6% |
| 05/14 | 1,416 | 1,429 | 1,341 | 1,361 | +3.97% | 16,000 | 151億3785万 | +4.53% |
| 05/13 | (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) |
| 05/13 | 1,286 | 1,309 | 1,286 | 1,309 | +0.46% | 500 | 145億5948万 | +0.85% |
| 05/12 | 1,310 | 1,310 | 1,283 | 1,303 | +1.01% | 4,600 | 144億9274万 | +0.54% |
| 05/11 | 1,307 | 1,310 | 1,282 | 1,290 | +0.31% | 5,400 | 143億4815万 | -0.39% |
| 05/08 | 1,285 | 1,287 | 1,285 | 1,286 | +0.16% | 600 | 143億366万 | -0.62% |
| 05/07 | 1,280 | 1,293 | 1,279 | 1,284 | +0.47% | 2,500 | 142億8141万 | -0.62% |
| 05/01 | 1,296 | 1,296 | 1,278 | 1,278 | -1.62% | 1,900 | 142億1468万 | -1.08% |
| 04/30 | 1,290 | 1,299 | 1,290 | 1,299 | -0.54% | 1,000 | 144億4825万 | +0.62% |
| 04/28 | 1,306 | 1,306 | 1,306 | 1,306 | -0.15% | 200 | 145億2611万 | +1.32% |
| 04/27 | 1,299 | 1,308 | 1,286 | 1,308 | +1.71% | 4,900 | 145億4836万 | +1.63% |
| 04/24 | 1,313 | 1,313 | 1,286 | 1,286 | -1.15% | 5,200 | 143億366万 | +0.08% |
| 04/23 | 1,311 | 1,311 | 1,301 | 1,301 | -0.76% | 400 | 144億7050万 | +1.25% |
| 04/22 | 1,300 | 1,313 | 1,300 | 1,311 | +1.24% | 1,900 | 145億8172万 | +2.18% |
| 04/21 | 1,311 | 1,311 | 1,286 | 1,295 | -0.77% | 3,100 | 144億376万 | +1.01% |
| 04/20 | 1,297 | 1,319 | 1,297 | 1,305 | +0.54% | 900 | 145億1499万 | +1.87% |
| 04/17 | 1,301 | 1,301 | 1,298 | 1,298 | -0.31% | 800 | 144億3713万 | +1.41% |
| 04/16 | 1,300 | 1,329 | 1,298 | 1,302 | +0.08% | 3,200 | 144億8162万 | +1.8% |
| 04/15 | 1,304 | 1,304 | 1,301 | 1,301 | -0.61% | 1,200 | 144億7050万 | +1.72% |
| 04/14 | 1,312 | 1,320 | 1,301 | 1,309 | -0.23% | 2,400 | 145億5948万 | +2.43% |
| 04/13 | 1,312 | 1,312 | 1,312 | 1,312 | +0.85% | 200 | 145億9285万 | +2.74% |
| 04/10 | 1,316 | 1,316 | 1,300 | 1,301 | -0.23% | 2,900 | 144億7050万 | +1.88% |
| 04/09 | 1,319 | 1,319 | 1,301 | 1,304 | -0.91% | 1,600 | 145億387万 | +2.03% |
| 04/08 | 1,325 | 1,335 | 1,300 | 1,316 | +1.39% | 3,600 | 146億3734万 | +2.97% |
| 04/07 | (IR情報)16:00 令和7年度補正予算「省エネルギー投資促進・需要構造転換支援事業」に採択 |
| 04/07 | 1,285 | 1,298 | 1,285 | 1,298 | +1.41% | 1,000 | 144億3713万 | +1.41% |
| 04/06 | 1,280 | 1,285 | 1,260 | 1,280 | 0% | 4,400 | 142億3692万 | -0.23% |
| 04/03 | 1,254 | 1,284 | 1,254 | 1,280 | +1.67% | 900 | 142億3692万 | -0.47% |
| 04/02 | 1,262 | 1,292 | 1,259 | 1,259 | -0.47% | 3,700 | 140億335万 | -2.4% |
| 04/01 | 1,288 | 1,299 | 1,260 | 1,265 | +0.56% | 1,700 | 140億7008万 | -2.24% |
| 03/31 | 1,276 | 1,300 | 1,248 | 1,258 | +0.96% | 8,900 | 139億9223万 | -3.08% |
| 03/30 | 1,243 | 1,260 | 1,231 | 1,246 | -2.04% | 12,000 | 138億5875万 | -4.3% |
| 03/27 | 1,250 | 1,272 | 1,230 | 1,272 | +1.35% | 8,900 | 141億4794万 | -2.68% |
| 03/25 | (IR情報)16:00 支配株主等に関する事項について |
| 03/25 | (IR情報)16:00 非上場の親会社等の決算情報に関するお知らせ |