| 2026 |
| 01/20 | 1,225 | 1,227 | 1,220 | 1,220 | -0.33% | 1,300 | 66億9468万 | +3.57% |
| 01/19 | 1,224 | 1,224 | 1,200 | 1,224 | +0.33% | 3,100 | 67億1663万 | +3.9% |
| 01/16 | 1,214 | 1,220 | 1,195 | 1,220 | +0.16% | 1,700 | 66億9468万 | +3.57% |
| 01/15 | 1,225 | 1,225 | 1,211 | 1,218 | -0.57% | 1,200 | 66億8371万 | +3.4% |
| 01/14 | 1,219 | 1,225 | 1,216 | 1,225 | +0.99% | 600 | 67億2212万 | +3.99% |
| 01/13 | （IR情報）18:30 当社子会社アルトワイズ、成長ベンチャー「ベストベンチャー100」選出のお知らせ |
| 01/13 | 1,223 | 1,223 | 1,195 | 1,213 | +1.68% | 1,700 | 66億5627万 | +2.97% |
| 01/09 | 1,198 | 1,220 | 1,183 | 1,193 | +1.1% | 3,300 | 65億4652万 | +1.27% |
| 01/08 | 1,188 | 1,193 | 1,180 | 1,180 | -1.17% | 2,400 | 64億7519万 | +0.17% |
| 01/07 | 1,198 | 1,198 | 1,184 | 1,194 | +2.23% | 3,300 | 65億5201万 | +1.19% |
| 01/06 | 1,164 | 1,168 | 1,150 | 1,168 | 0% | 2,000 | 64億934万 | -1.1% |
| 01/05 | 1,152 | 1,178 | 1,135 | 1,168 | +4.1% | 4,000 | 68億5902万 | -1.27% |
| 2025 |
| 12/30 | 1,107 | 1,149 | 1,107 | 1,122 | +0.18% | 900 | 65億8888万 | -5.24% |
| 12/29 | 1,128 | 1,128 | 1,116 | 1,120 | +2% | 2,400 | 65億7714万 | -5.64% |
| 12/26 | 1,104 | 1,123 | 1,081 | 1,098 | -0.99% | 11,900 | 64億4795万 | -7.65% |
| 12/25 | 1,127 | 1,135 | 1,070 | 1,109 | -2.29% | 11,200 | 65億1254万 | -6.96% |
| 12/24 | 1,149 | 1,152 | 1,135 | 1,135 | -1.22% | 9,900 | 66億6523万 | -5.02% |
| 12/23 | 1,154 | 1,162 | 1,146 | 1,149 | -0.61% | 11,500 | 67億4744万 | -4.01% |
| 12/22 | 1,184 | 1,186 | 1,156 | 1,156 | -2.36% | 5,400 | 67億8855万 | -3.59% |
| 12/19 | 1,199 | 1,200 | 1,184 | 1,184 | -0.17% | 6,000 | 69億5298万 | -1.5% |
| 12/18 | 1,191 | 1,201 | 1,180 | 1,186 | +0.51% | 7,700 | 69億6472万 | -1.33% |
| 12/17 | 1,180 | 1,199 | 1,180 | 1,180 | -1.26% | 1,500 | 69億2949万 | -1.91% |
| 12/16 | 1,202 | 1,202 | 1,195 | 1,195 | +0.42% | 3,600 | 70億1757万 | -0.75% |
| 12/15 | 1,202 | 1,205 | 1,190 | 1,190 | -0.67% | 2,500 | 69億8821万 | -1.24% |
| 12/12 | 1,203 | 1,210 | 1,198 | 1,198 | -0.42% | 4,200 | 70億3519万 | -0.75% |
| 12/11 | 1,208 | 1,208 | 1,203 | 1,203 | -1.39% | 2,600 | 70億6455万 | -0.41% |
| 12/10 | 1,221 | 1,222 | 1,202 | 1,220 | -0.08% | 1,100 | 71億6438万 | +0.99% |
| 12/09 | 1,228 | 1,230 | 1,198 | 1,221 | +0.08% | 2,900 | 71億7026万 | +0.99% |
| 12/08 | 1,220 | 1,220 | 1,202 | 1,220 | 0% | 1,600 | 71億6438万 | +0.99% |
| 12/05 | 1,217 | 1,220 | 1,216 | 1,220 | +0.25% | 300 | 71億6438万 | +0.91% |
| 12/04 | 1,215 | 1,222 | 1,215 | 1,217 | +0.41% | 800 | 71億4677万 | +0.75% |
| 12/03 | （IR情報）15:00 株式会社プロジェクトホールディングス 代表取締役 土井 悠之介、成果協創型スタートアップコミュニティ「Leading Startup Square（LSS）」に参画 |
| 12/03 | 1,211 | 1,212 | 1,210 | 1,212 | 0% | 1,000 | 71億1740万 | +0.25% |
| 12/02 | 1,210 | 1,212 | 1,210 | 1,212 | -0.74% | 900 | 71億1740万 | +0.25% |
| 12/01 | 1,235 | 1,239 | 1,220 | 1,221 | +0.16% | 1,200 | 71億7026万 | +0.99% |
| 11/28 | 1,218 | 1,232 | 1,203 | 1,219 | +0.08% | 2,100 | 71億5851万 | +0.83% |
| 11/27 | 1,260 | 1,260 | 1,205 | 1,218 | +1.42% | 4,000 | 71億5264万 | +0.74% |
| 11/26 | 1,230 | 1,230 | 1,179 | 1,201 | +1.69% | 3,900 | 70億5281万 | -0.66% |
| 11/25 | （IR情報）19:00 「IR note マガジン」にて当社の2025年12月期第3四半期決算の概要についての記事を公開しました |
| 11/25 | （IR情報）16:00 自己株式の消却に関するお知らせ |
| 11/25 | 1,217 | 1,217 | 1,181 | 1,181 | -0.67% | 2,500 | 69億3536万 | -2.4% |
| 11/21 | （IR情報）10:00 当社子会社プロジェクトカンパニー業務改革の“スピード”と“継続性”を両立する ノーコードDXソリューション「Nocode Project」提供開始のお知らせ |
| 11/21 | 1,162 | 1,230 | 1,162 | 1,189 | +2.32% | 3,800 | 69億8234万 | -1.9% |
| 11/20 | 1,190 | 1,197 | 1,162 | 1,162 | -1.61% | 1,600 | 68億2378万 | -4.2% |
| 11/19 | （IR情報）10:05 当社子会社プロジェクトカンパニーとREVISIO、NexGenとの3社協働で ブランドプロモーション支援サービス開始のお知らせ |
| 11/19 | 1,180 | 1,197 | 1,172 | 1,181 | -0.08% | 1,700 | 69億3536万 | -2.88% |
| 11/18 | 1,203 | 1,203 | 1,182 | 1,182 | -1.66% | 1,900 | 69億4123万 | -2.88% |
| 11/17 | 1,229 | 1,229 | 1,200 | 1,202 | -1.88% | 2,000 | 70億5868万 | -1.31% |
| 11/14 | （IR情報）16:10 2025年12月期第3四半期決算説明資料 |
| 11/14 | （IR情報）16:10 業績予想の修正に関するお知らせ |
| 11/14 | （IR情報）16:10 2025年12月期第3四半期決算短信〔日本基準〕(連結) |
| 11/14 | 1,203 | 1,239 | 1,203 | 1,225 | +2.08% | 3,500 | 71億9375万 | +0.41% |
| 11/13 | 1,202 | 1,203 | 1,200 | 1,200 | -0.17% | 1,300 | 70億4694万 | -1.72% |
| 11/12 | 1,211 | 1,211 | 1,201 | 1,202 | -0.74% | 1,100 | 70億5868万 | -1.72% |
| 11/11 | 1,225 | 1,225 | 1,211 | 1,211 | -1.06% | 600 | 71億1153万 | -1.14% |
| 11/10 | 1,229 | 1,229 | 1,201 | 1,224 | -0.41% | 1,200 | 71億8787万 | -0.24% |
| 11/07 | 1,226 | 1,229 | 1,206 | 1,229 | +0.82% | 300 | 72億1724万 | -0.08% |
| 11/06 | （IR情報）17:27 当社子会社のDr.健康経営とMINAGINE勤怠管理の勤怠BPOサービスが連携し産業医の知見と勤怠データを融合した健康経営支援を強化に関するお知らせ |
| 11/06 | 1,217 | 1,219 | 1,201 | 1,219 | +0.08% | 2,100 | 71億5851万 | -1.14% |
| 11/05 | 1,231 | 1,231 | 1,218 | 1,218 | -1.06% | 400 | 71億5264万 | -1.46% |
| 11/04 | 1,203 | 1,231 | 1,199 | 1,231 | +2.33% | 1,600 | 72億2898万 | -0.89% |
| 10/31 | 1,235 | 1,235 | 1,203 | 1,203 | -2.59% | 1,100 | 70億6455万 | -3.45% |
| 10/30 | 1,210 | 1,235 | 1,201 | 1,235 | +2.32% | 800 | 72億5247万 | -1.36% |
| 10/29 | 1,221 | 1,221 | 1,207 | 1,207 | -2.19% | 1,400 | 70億8804万 | -3.98% |
| 10/28 | 1,229 | 1,234 | 1,210 | 1,234 | +1.9% | 2,100 | 72億4660万 | -2.3% |
| 10/27 | 1,238 | 1,239 | 1,210 | 1,211 | +0.08% | 2,600 | 71億1153万 | -4.5% |
| 10/24 | 1,237 | 1,237 | 1,210 | 1,210 | -1.79% | 2,100 | 71億566万 | -5.02% |
| 10/23 | 1,228 | 1,232 | 1,228 | 1,232 | +0.82% | 2,200 | 72億3485万 | -3.67% |
| 10/22 | 1,218 | 1,222 | 1,218 | 1,222 | 0% | 500 | 71億7613万 | -4.83% |
| 10/21 | 1,219 | 1,238 | 1,210 | 1,222 | +0.25% | 2,200 | 71億7613万 | -5.27% |
| 10/20 | 1,217 | 1,220 | 1,217 | 1,219 | -0.16% | 700 | 71億5851万 | -5.94% |
| 10/17 | 1,243 | 1,243 | 1,215 | 1,221 | -1.13% | 1,400 | 71億7026万 | -6.08% |
| 10/16 | 1,245 | 1,245 | 1,235 | 1,235 | +1.23% | 300 | 72億5247万 | -5.36% |
| 10/15 | 1,230 | 1,230 | 1,220 | 1,220 | +1.67% | 2,100 | 71億6438万 | -6.8% |
| 10/14 | 1,220 | 1,220 | 1,200 | 1,200 | -1.64% | 2,000 | 70億4694万 | -8.61% |
| 10/10 | 1,250 | 1,250 | 1,202 | 1,220 | -1.53% | 1,200 | 71億6438万 | -7.51% |
| 10/09 | 1,253 | 1,253 | 1,239 | 1,239 | -1.27% | 1,700 | 72億7596万 | -6.28% |
| 10/08 | 1,250 | 1,301 | 1,250 | 1,255 | +0.4% | 2,600 | 73億6992万 | -5.28% |
| 10/07 | 1,250 | 1,251 | 1,250 | 1,250 | -0.32% | 2,900 | 73億4056万 | -5.87% |
| 10/06 | 1,255 | 1,280 | 1,241 | 1,254 | -0.87% | 1,600 | 73億6405万 | -5.64% |
| 10/03 | 1,283 | 1,283 | 1,254 | 1,265 | -2.32% | 1,400 | 74億2864万 | -4.96% |
| 10/01 | 1,277 | 1,295 | 1,250 | 1,295 | -0.08% | 3,400 | 76億482万 | -2.78% |
| 09/30 | 1,305 | 1,305 | 1,296 | 1,296 | -1.67% | 1,300 | 76億1069万 | -2.7% |
| 09/29 | 1,315 | 1,318 | 1,304 | 1,318 | -2.01% | 4,600 | 77億3988万 | -1.05% |
| 09/26 | 1,345 | 1,360 | 1,331 | 1,345 | -0.37% | 7,000 | 78億9844万 | +1.13% |
| 09/25 | 1,360 | 1,360 | 1,345 | 1,350 | 0% | 2,800 | 79億2780万 | +1.66% |
| 09/24 | 1,355 | 1,356 | 1,350 | 1,350 | -0.37% | 2,500 | 79億2780万 | +1.89% |
| 09/22 | 1,385 | 1,385 | 1,350 | 1,355 | 0% | 1,900 | 79億5716万 | +2.5% |
| 09/19 | 1,370 | 1,380 | 1,330 | 1,355 | -0.15% | 3,200 | 79億5716万 | +2.73% |
| 09/18 | 1,390 | 1,390 | 1,330 | 1,357 | +0.3% | 3,500 | 79億6891万 | +3.04% |
| 09/17 | 1,370 | 1,370 | 1,345 | 1,353 | -0.22% | 5,300 | 79億4542万 | +2.89% |
| 09/16 | 1,360 | 1,394 | 1,343 | 1,356 | -0.29% | 7,700 | 79億6304万 | +3.35% |
| 09/12 | 1,368 | 1,370 | 1,360 | 1,360 | -0.22% | 2,500 | 79億8653万 | +3.82% |
| 09/11 | 1,373 | 1,373 | 1,337 | 1,363 | -0.51% | 2,200 | 80億414万 | +4.28% |
| 09/10 | 1,321 | 1,371 | 1,321 | 1,370 | +3.79% | 1,800 | 80億4525万 | +5.06% |
| 09/09 | 1,353 | 1,370 | 1,320 | 1,320 | -2.22% | 3,100 | 77億5163万 | +1.54% |
| 09/08 | 1,334 | 1,385 | 1,334 | 1,350 | +1.2% | 8,000 | 79億2780万 | +4.09% |
| 09/05 | 1,318 | 1,334 | 1,318 | 1,334 | +0.91% | 2,900 | 78億3384万 | +3.01% |
| 09/04 | 1,332 | 1,335 | 1,297 | 1,322 | -0.75% | 6,100 | 77億6337万 | +2.24% |
| 09/03 | 1,307 | 1,336 | 1,305 | 1,332 | +1.68% | 7,300 | 78億2210万 | +3.1% |
| 09/02 | 1,315 | 1,319 | 1,310 | 1,310 | -0.38% | 2,400 | 76億9290万 | +1.55% |
| 09/01 | 1,298 | 1,336 | 1,298 | 1,315 | +0.15% | 7,500 | 77億2227万 | +2.18% |
| 08/29 | 1,300 | 1,313 | 1,295 | 1,313 | +1.23% | 3,400 | 77億1052万 | +2.34% |
| 08/28 | 1,300 | 1,300 | 1,292 | 1,297 | +0.08% | 3,000 | 76億1656万 | +1.49% |
| 08/27 | 1,299 | 1,299 | 1,281 | 1,296 | -0.23% | 2,000 | 76億1069万 | +1.65% |
| 08/26 | 1,271 | 1,299 | 1,271 | 1,299 | +0.23% | 2,700 | 76億2831万 | +2.04% |
| 08/25 | 1,298 | 1,300 | 1,280 | 1,296 | +1.25% | 3,000 | 76億1069万 | +2.05% |
| 08/22 | 1,300 | 1,300 | 1,280 | 1,280 | 0% | 3,900 | 75億1673万 | +1.03% |
| 08/21 | 1,275 | 1,288 | 1,275 | 1,280 | 0% | 1,000 | 75億1673万 | +1.19% |
| 08/20 | 1,290 | 1,290 | 1,280 | 1,280 | -0.62% | 1,400 | 75億1673万 | +1.27% |
| 08/14 | （IR情報）16:00 2025年12月期第2四半期決算説明資料 |
| 08/14 | （IR情報）16:00 業績予想の修正に関するお知らせ |
| 08/14 | （IR情報）16:00 2025年12月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
