| 2026 |
| 03/06 | (5%ルール)みずほ信託銀行(5.12%)みずほ証券(1.59%) |
| 03/06 | 2,277 | 2,279 | 2,277 | 2,279 | +0.04% | 18,100 | 103億8964万 | +15.98% |
| 03/05 | 2,278 | 2,279 | 2,277 | 2,278 | +0.04% | 34,000 | 103億8508万 | +18.34% |
| 03/04 | 2,278 | 2,279 | 2,277 | 2,277 | -0.04% | 100,200 | 103億8052万 | +20.73% |
| 03/03 | 2,278 | 2,279 | 2,278 | 2,278 | 0% | 48,300 | 103億8508万 | +23.2% |
| 03/02 | 2,278 | 2,279 | 2,278 | 2,278 | 0% | 17,900 | 103億8508万 | +25.79% |
| 02/27 | (5%ルール)シスメックス(5.05%) |
| 02/27 | 2,279 | 2,279 | 2,278 | 2,278 | 0% | 69,100 | 103億8508万 | +28.41% |
| 02/26 | 2,279 | 2,279 | 2,278 | 2,278 | 0% | 44,700 | 103億8508万 | +31.22% |
| 02/25 | 2,278 | 2,279 | 2,278 | 2,278 | 0% | 27,900 | 103億8508万 | +34.08% |
| 02/24 | 2,278 | 2,279 | 2,278 | 2,278 | 0% | 23,800 | 103億8508万 | +37.06% |
| 02/20 | (5%ルール)エスアイエル(1.33%)UH Partners 3(5.64%)UH Partners 2(7.33%)光通信(7.18%) |
| 02/20 | 2,278 | 2,279 | 2,278 | 2,278 | 0% | 22,000 | 103億8508万 | +40.18% |
| 02/19 | 2,278 | 2,279 | 2,278 | 2,278 | 0% | 36,200 | 103億8508万 | +43.54% |
| 02/18 | 2,278 | 2,279 | 2,278 | 2,278 | 0% | 47,500 | 103億8508万 | +46.97% |
| 02/17 | 2,278 | 2,279 | 2,278 | 2,278 | +0.04% | 35,400 | 103億8508万 | +50.56% |
| 02/16 | 2,278 | 2,278 | 2,277 | 2,277 | 0% | 53,600 | 103億8052万 | +54.27% |
| 02/13 | (5%ルール)杉山晶子(9.76%) |
| 02/13 | 2,277 | 2,278 | 2,277 | 2,277 | 0% | 42,800 | 103億8052万 | +58.23% |
| 02/12 | 2,278 | 2,279 | 2,277 | 2,277 | +13.62% | 203,900 | 103億8052万 | +62.41% |
| 02/10 | 2,004 | 2,004 | 2,004 | 2,004 | +24.94% | 2,400 | 91億3595万 | +47.14% |
| 02/09 | (5%ルール)旭化成ファーマ(20.62%) |
| 02/09 | 1,604 | 1,604 | 1,604 | 1,604 | +23.01% | 3,500 | 73億1241万 | +20.33% |
| 02/06 | (IR情報)19:00 2026年3月期の期末配当予想の修正(無配)に関するお知らせ |
| 02/06 | (IR情報)19:00 Flowers株式会社による当社株式に対する公開買付けに関する賛同の意見表明及び応募推奨のお知らせ |
| 02/06 | 1,300 | 1,309 | 1,300 | 1,304 | 0% | 4,500 | 59億4475万 | -1.21% |
| 02/05 | 1,306 | 1,312 | 1,304 | 1,304 | +0.31% | 1,800 | 59億4475万 | -1.06% |
| 02/04 | 1,295 | 1,305 | 1,295 | 1,300 | +0.39% | 2,000 | 59億2651万 | -1.29% |
| 02/03 | 1,295 | 1,295 | 1,290 | 1,295 | -0.31% | 600 | 59億372万 | -1.52% |
| 02/02 | 1,299 | 1,299 | 1,291 | 1,299 | 0% | 700 | 59億2195万 | -1.07% |
| 01/30 | 1,276 | 1,299 | 1,276 | 1,299 | +1.8% | 1,500 | 59億2195万 | -0.99% |
| 01/29 | 1,286 | 1,286 | 1,272 | 1,276 | +0.31% | 1,000 | 58億1710万 | -2.67% |
| 01/28 | 1,296 | 1,297 | 1,272 | 1,272 | -1.78% | 9,700 | 57億9886万 | -2.9% |
| 01/27 | (IR情報)12:40 2026年3月期第3四半期決算短信〔日本基準〕(非連結) |
| 01/27 | 1,351 | 1,380 | 1,288 | 1,295 | -4.36% | 25,900 | 59億372万 | -1.15% |
| 01/26 | 1,340 | 1,354 | 1,340 | 1,354 | +0.59% | 1,600 | 61億7269万 | +3.52% |
| 01/23 | 1,342 | 1,350 | 1,340 | 1,346 | +0.3% | 2,700 | 61億3622万 | +3.22% |
| 01/22 | 1,340 | 1,342 | 1,337 | 1,342 | +0.15% | 2,000 | 61億1799万 | +3.15% |
| 01/21 | 1,354 | 1,369 | 1,339 | 1,340 | -1.03% | 4,500 | 61億887万 | +3.24% |
| 01/20 | 1,360 | 1,365 | 1,353 | 1,354 | +0.07% | 3,000 | 61億7269万 | +4.64% |
| 01/19 | 1,340 | 1,353 | 1,335 | 1,353 | +1.73% | 2,400 | 61億6813万 | +4.8% |
| 01/16 | 1,344 | 1,344 | 1,323 | 1,330 | -0.6% | 4,700 | 60億6328万 | +3.34% |
| 01/15 | 1,335 | 1,343 | 1,335 | 1,338 | -0.3% | 700 | 60億9975万 | +4.21% |
| 01/14 | 1,334 | 1,343 | 1,334 | 1,342 | -0.89% | 8,200 | 61億1799万 | +4.68% |
| 01/13 | 1,352 | 1,356 | 1,332 | 1,354 | -0.66% | 7,800 | 61億7269万 | +5.95% |
| 01/09 | 1,370 | 1,370 | 1,336 | 1,363 | +0.15% | 6,500 | 62億1372万 | +6.9% |
| 01/08 | 1,342 | 1,364 | 1,320 | 1,361 | +1.64% | 12,700 | 62億460万 | +7.08% |
| 01/07 | 1,288 | 1,346 | 1,288 | 1,339 | +4.2% | 22,300 | 61億431万 | +5.68% |
| 01/06 | 1,277 | 1,285 | 1,257 | 1,285 | +0.94% | 5,000 | 58億5813万 | +1.66% |
| 01/05 | 1,276 | 1,276 | 1,265 | 1,273 | +0.16% | 2,500 | 58億342万 | +0.71% |
| 2025 |
| 12/30 | 1,270 | 1,271 | 1,260 | 1,271 | +0.24% | 3,600 | 57億9431万 | +0.63% |
| 12/29 | 1,270 | 1,272 | 1,256 | 1,268 | +0.32% | 3,800 | 57億8063万 | +0.4% |
| 12/26 | 1,256 | 1,264 | 1,250 | 1,264 | +0.72% | 4,700 | 57億6239万 | +0.16% |
| 12/25 | 1,256 | 1,261 | 1,255 | 1,255 | -0.71% | 5,900 | 57億2136万 | -0.48% |
| 12/24 | 1,266 | 1,266 | 1,256 | 1,264 | 0% | 700 | 57億6239万 | +0.32% |
| 12/23 | 1,256 | 1,267 | 1,256 | 1,264 | +0.32% | 1,500 | 57億6239万 | +0.4% |
| 12/22 | 1,267 | 1,269 | 1,257 | 1,260 | -0.55% | 2,700 | 57億4416万 | +0.08% |
| 12/19 | 1,262 | 1,267 | 1,262 | 1,267 | +0.4% | 1,700 | 57億7607万 | +0.64% |
| 12/18 | 1,266 | 1,266 | 1,258 | 1,262 | +0.4% | 600 | 57億5328万 | +0.32% |
| 12/17 | 1,258 | 1,258 | 1,257 | 1,257 | -0.24% | 300 | 57億3048万 | -0.08% |
| 12/16 | 1,259 | 1,260 | 1,259 | 1,260 | +0.16% | 300 | 57億4416万 | +0.16% |
| 12/15 | 1,258 | 1,259 | 1,252 | 1,258 | 0% | 800 | 57億3504万 | 0% |
| 12/12 | 1,265 | 1,265 | 1,255 | 1,258 | -0.24% | 1,400 | 57億3504万 | +0.08% |
| 12/11 | 1,265 | 1,265 | 1,260 | 1,261 | -0.32% | 600 | 57億4872万 | +0.32% |
| 12/10 | 1,255 | 1,265 | 1,255 | 1,265 | +0.4% | 3,400 | 57億6695万 | +0.72% |
| 12/09 | 1,265 | 1,265 | 1,260 | 1,260 | -0.08% | 2,600 | 57億4416万 | +0.4% |
| 12/08 | 1,270 | 1,270 | 1,261 | 1,261 | -0.71% | 700 | 57億4872万 | +0.64% |
| 12/05 | 1,269 | 1,270 | 1,261 | 1,270 | +0.71% | 1,900 | 57億8975万 | +1.44% |
| 12/04 | 1,261 | 1,265 | 1,261 | 1,261 | 0% | 900 | 57億4872万 | +0.88% |
| 12/03 | 1,270 | 1,270 | 1,261 | 1,261 | -0.24% | 1,800 | 57億4872万 | +1.04% |
| 12/02 | 1,265 | 1,268 | 1,264 | 1,264 | -0.32% | 2,400 | 57億6239万 | +1.2% |
| 12/01 | 1,270 | 1,270 | 1,266 | 1,268 | -0.16% | 1,500 | 57億8063万 | +1.44% |
| 11/28 | 1,263 | 1,270 | 1,260 | 1,270 | +0.16% | 1,800 | 57億8975万 | +1.52% |
| 11/27 | 1,260 | 1,268 | 1,260 | 1,268 | +0.63% | 2,700 | 57億8063万 | +1.28% |
| 11/26 | 1,270 | 1,270 | 1,260 | 1,260 | -0.79% | 1,300 | 57億4416万 | +0.56% |
| 11/25 | 1,250 | 1,270 | 1,250 | 1,270 | +2.09% | 4,800 | 57億8975万 | +1.28% |
| 11/21 | 1,231 | 1,259 | 1,230 | 1,244 | +0.48% | 16,200 | 56億7122万 | -0.8% |
| 11/20 | 1,240 | 1,240 | 1,231 | 1,238 | +0.24% | 2,000 | 56億4386万 | -1.35% |
| 11/19 | 1,245 | 1,245 | 1,235 | 1,235 | -0.8% | 800 | 56億3019万 | -1.59% |
| 11/18 | 1,257 | 1,269 | 1,242 | 1,245 | -0.48% | 3,300 | 56億7578万 | -0.88% |
| 11/17 | 1,250 | 1,256 | 1,248 | 1,251 | 0% | 1,200 | 57億313万 | -0.48% |
| 11/14 | 1,254 | 1,259 | 1,251 | 1,251 | -0.56% | 1,500 | 57億313万 | -0.56% |
| 11/13 | 1,258 | 1,259 | 1,246 | 1,258 | 0% | 1,700 | 57億3504万 | -0.08% |
| 11/12 | 1,270 | 1,270 | 1,258 | 1,258 | +0.32% | 1,300 | 57億3504万 | -0.24% |
| 11/11 | 1,260 | 1,263 | 1,254 | 1,254 | -0.48% | 2,300 | 57億1681万 | -0.56% |
| 11/10 | 1,242 | 1,266 | 1,241 | 1,260 | +1.45% | 2,200 | 57億4416万 | -0.16% |
| 11/07 | 1,238 | 1,252 | 1,238 | 1,242 | -0.24% | 400 | 56億6210万 | -1.58% |
| 11/06 | 1,245 | 1,250 | 1,242 | 1,245 | -0.24% | 600 | 56億7578万 | -1.5% |
| 11/05 | 1,230 | 1,248 | 1,229 | 1,248 | +1.22% | 3,400 | 56億8945万 | -1.42% |
| 11/04 | (IR情報)15:30 血圧調整に関わる免疫検査試薬2項目の製造・販売開始のお知らせ |
| 11/04 | 1,226 | 1,233 | 1,226 | 1,233 | +1.07% | 400 | 56億2107万 | -2.76% |
| 10/31 | 1,229 | 1,229 | 1,217 | 1,220 | -0.57% | 1,300 | 55億6180万 | -3.94% |
| 10/30 | 1,218 | 1,229 | 1,204 | 1,227 | +0.25% | 6,500 | 55億9372万 | -3.54% |
| 10/29 | 1,218 | 1,224 | 1,210 | 1,224 | +0.49% | 11,800 | 55億8004万 | -3.92% |
| 10/28 | (IR情報)12:30 2026年3月期第2四半期(中間期)決算短信〔日本基準〕(非連結) |
| 10/28 | 1,283 | 1,307 | 1,207 | 1,218 | -4.84% | 25,900 | 55億5269万 | -4.62% |
| 10/27 | 1,287 | 1,289 | 1,280 | 1,280 | -0.54% | 1,800 | 58億3534万 | 0% |
| 10/24 | 1,286 | 1,296 | 1,286 | 1,287 | -0.69% | 1,300 | 58億6725万 | +0.47% |
| 10/23 | 1,298 | 1,298 | 1,279 | 1,296 | +0.15% | 600 | 59億828万 | +1.17% |
| 10/22 | 1,271 | 1,294 | 1,271 | 1,294 | 0% | 1,000 | 58億9916万 | +1.01% |
| 10/21 | 1,300 | 1,300 | 1,274 | 1,294 | +1.01% | 3,500 | 58億9916万 | +1.09% |
| 10/20 | 1,272 | 1,281 | 1,262 | 1,281 | +1.75% | 800 | 58億3989万 | +0.16% |
| 10/17 | 1,267 | 1,267 | 1,259 | 1,259 | -0.55% | 4,600 | 57億3960万 | -1.56% |
| 10/16 | 1,257 | 1,284 | 1,257 | 1,266 | +0.72% | 600 | 57億7151万 | -1.09% |
| 10/15 | 1,242 | 1,257 | 1,234 | 1,257 | +1.21% | 8,200 | 57億3048万 | -1.8% |
| 10/14 | 1,272 | 1,272 | 1,240 | 1,242 | -2.51% | 8,200 | 56億6210万 | -3.04% |
| 10/10 | 1,280 | 1,280 | 1,274 | 1,274 | -0.47% | 400 | 58億798万 | -0.62% |
| 10/09 | 1,288 | 1,288 | 1,280 | 1,280 | -0.62% | 500 | 58億3534万 | -0.23% |
| 10/08 | 1,288 | 1,292 | 1,288 | 1,288 | +0.16% | 900 | 58億7181万 | +0.39% |
| 10/07 | 1,281 | 1,286 | 1,274 | 1,286 | +0.94% | 1,100 | 58億6269万 | +0.23% |