Stock listing
OTC:SUMKF Sumitomo Seika Chemicals Co., Ltd. Stock
US listing (OTC) of Sumitomo Seika Chemicals Co., Ltd. · home listing Tokyo:4008
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Home listing price · TSE:4008
¥1,412.00 JPY -36.00 (-2.5%)
Close on Nov 4, 2026 · This listing has no price on 6ix; the price shown is the home listing's, TSE:4008 · Price from Kabutan
- Day range
- ¥1,379.00 – ¥1,450.00 JPYNov 4, 2026
- Volume
- 247,100 sharesNov 4, 2026
- Market cap
- ¥90.32B JPYAt the close on Nov 4, 2026 · price × 63.97M shares outstanding
- Traded on an average day
- ¥311.5M JPYMedian day 165,200 shares · last 3 months, Aug 4, 2026 – Nov 4, 2026
Daily closes
Last 3 months, Aug 4, 2026 – Nov 4, 2026 · TSE:4008 · JPY, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| ¥1,412.00 | -36.00 | -2.5% | ¥1,448.00 | ¥1,450.00 | ¥1,379.00 | 247,100 | |
| ¥1,448.00 | -10.00 | -0.7% | ¥1,451.00 | ¥1,460.00 | ¥1,447.00 | 98,400 | |
| ¥1,458.00 | -12.00 | -0.8% | ¥1,482.00 | ¥1,495.00 | ¥1,452.00 | 141,000 | |
| ¥1,470.00 | -15.00 | -1.0% | ¥1,492.00 | ¥1,499.00 | ¥1,457.00 | 506,700 | |
| ¥1,485.00 | +17.00 | +1.2% | ¥1,491.00 | ¥1,505.00 | ¥1,482.00 | 134,100 | |
| ¥1,468.00 | +23.00 | +1.6% | ¥1,456.00 | ¥1,473.00 | ¥1,449.00 | 171,600 | |
| ¥1,445.00 | -3.00 | -0.2% | ¥1,465.00 | ¥1,469.00 | ¥1,443.00 | 159,600 | |
| ¥1,448.00 | -4.00 | -0.3% | ¥1,453.00 | ¥1,457.00 | ¥1,414.00 | 163,600 | |
| ¥1,452.00 | -24.00 | -1.6% | ¥1,472.00 | ¥1,478.00 | ¥1,445.00 | 119,000 | |
| ¥1,476.00 | +12.00 | +0.8% | ¥1,482.00 | ¥1,486.00 | ¥1,459.00 | 162,900 | |
| ¥1,464.00 | -43.00 | -2.9% | ¥1,510.00 | ¥1,511.00 | ¥1,461.00 | 152,200 | |
| ¥1,507.00 | -11.00 | -0.7% | ¥1,515.00 | ¥1,515.00 | ¥1,494.00 | 120,700 | |
| ¥1,518.00 | +15.00 | +1.0% | ¥1,521.00 | ¥1,522.00 | ¥1,506.00 | 157,000 | |
| ¥1,503.00 | -30.00 | -2.0% | ¥1,517.00 | ¥1,529.00 | ¥1,485.00 | 204,200 | |
| ¥1,533.00 | +16.00 | +1.1% | ¥1,517.00 | ¥1,538.00 | ¥1,517.00 | 123,100 | |
| ¥1,517.00 | -2.00 | -0.1% | ¥1,522.00 | ¥1,533.00 | ¥1,509.00 | 147,400 | |
| ¥1,519.00 | +39.00 | +2.6% | ¥1,477.00 | ¥1,519.00 | ¥1,472.00 | 170,600 | |
| ¥1,480.00 | -12.00 | -0.8% | ¥1,484.00 | ¥1,487.00 | ¥1,463.00 | 175,300 | |
| ¥1,492.00 | -20.00 | -1.3% | ¥1,500.00 | ¥1,515.00 | ¥1,491.00 | 98,900 | |
| ¥1,512.00 | +2.00 | +0.1% | ¥1,510.00 | ¥1,517.00 | ¥1,501.00 | 98,800 | |
| ¥1,510.00 | +25.00 | +1.7% | ¥1,505.00 | ¥1,514.00 | ¥1,498.00 | 156,900 | |
| ¥1,485.00 | -19.00 | -1.3% | ¥1,485.00 | ¥1,499.00 | ¥1,477.00 | 115,000 | |
| ¥1,504.00 | +4.00 | +0.3% | ¥1,485.00 | ¥1,509.00 | ¥1,476.00 | 131,400 | |
| ¥1,500.00 | +39.00 | +2.7% | ¥1,468.00 | ¥1,503.00 | ¥1,459.00 | 173,200 | |
| ¥1,461.00 | -59.00 | -3.9% | ¥1,480.00 | ¥1,488.00 | ¥1,461.00 | 198,100 | |
| ¥1,520.00 | -35.00 | -2.3% | ¥1,560.00 | ¥1,560.00 | ¥1,518.00 | 312,600 | |
| ¥1,555.00 | +34.00 | +2.2% | ¥1,530.00 | ¥1,555.00 | ¥1,523.00 | 213,500 | |
| ¥1,521.00 | +14.00 | +0.9% | ¥1,508.00 | ¥1,529.00 | ¥1,507.00 | 173,200 | |
| ¥1,507.00 | 0.00 | 0.0% | ¥1,512.00 | ¥1,519.00 | ¥1,492.00 | 163,000 | |
| ¥1,507.00 | +13.00 | +0.9% | ¥1,505.00 | ¥1,510.00 | ¥1,496.00 | 143,200 | |
| ¥1,494.00 | +40.00 | +2.8% | ¥1,459.00 | ¥1,497.00 | ¥1,459.00 | 165,200 | |
| ¥1,454.00 | +20.00 | +1.4% | ¥1,430.00 | ¥1,454.00 | ¥1,428.00 | 154,900 | |
| ¥1,434.00 | +9.00 | +0.6% | ¥1,425.00 | ¥1,434.00 | ¥1,415.00 | 109,900 | |
| ¥1,425.00 | -10.00 | -0.7% | ¥1,415.00 | ¥1,430.00 | ¥1,404.00 | 168,100 | |
| ¥1,435.00 | -15.00 | -1.0% | ¥1,438.00 | ¥1,439.00 | ¥1,425.00 | 132,800 | |
| ¥1,450.00 | +20.00 | +1.4% | ¥1,434.00 | ¥1,457.00 | ¥1,431.00 | 136,600 | |
| ¥1,430.00 | -61.00 | -4.1% | ¥1,476.00 | ¥1,478.00 | ¥1,428.00 | 261,800 | |
| ¥1,491.00 | +26.00 | +1.8% | ¥1,483.00 | ¥1,499.00 | ¥1,476.00 | 182,300 | |
| ¥1,465.00 | -26.00 | -1.7% | ¥1,480.00 | ¥1,480.00 | ¥1,457.00 | 206,000 | |
| ¥1,491.00 | -13.00 | -0.9% | ¥1,504.00 | ¥1,515.00 | ¥1,491.00 | 170,600 | |
| ¥1,504.00 | -31.00 | -2.0% | ¥1,525.00 | ¥1,531.00 | ¥1,503.00 | 190,600 | |
| ¥1,535.00 | +13.00 | +0.9% | ¥1,518.00 | ¥1,545.00 | ¥1,511.00 | 165,500 | |
| ¥1,522.00 | -19.00 | -1.2% | ¥1,531.00 | ¥1,540.00 | ¥1,517.00 | 144,400 | |
| ¥1,541.00 | -26.00 | -1.7% | ¥1,562.00 | ¥1,571.00 | ¥1,540.00 | 145,300 | |
| ¥1,567.00 | +11.00 | +0.7% | ¥1,556.00 | ¥1,568.00 | ¥1,550.00 | 148,600 | |
| ¥1,556.00 | +5.00 | +0.3% | ¥1,551.00 | ¥1,571.00 | ¥1,551.00 | 132,100 | |
| ¥1,551.00 | +4.00 | +0.3% | ¥1,562.00 | ¥1,574.00 | ¥1,540.00 | 162,800 | |
| ¥1,547.00 | +30.00 | +2.0% | ¥1,520.00 | ¥1,563.00 | ¥1,520.00 | 216,400 | |
| ¥1,517.00 | +12.00 | +0.8% | ¥1,504.00 | ¥1,522.00 | ¥1,499.00 | 141,100 | |
| ¥1,505.00 | +6.00 | +0.4% | ¥1,520.00 | ¥1,520.00 | ¥1,486.00 | 209,900 | |
| ¥1,499.00 | -23.00 | -1.5% | ¥1,500.00 | ¥1,508.00 | ¥1,467.00 | 300,400 | |
| ¥1,522.00 | -22.00 | -1.4% | ¥1,544.00 | ¥1,545.00 | ¥1,513.00 | 181,500 | |
| ¥1,544.00 | -14.00 | -0.9% | ¥1,562.00 | ¥1,564.00 | ¥1,537.00 | 177,400 | |
| ¥1,558.00 | +8.00 | +0.5% | ¥1,550.00 | ¥1,588.00 | ¥1,532.00 | 289,300 | |
| ¥1,550.00 | +41.00 | +2.7% | ¥1,510.00 | ¥1,564.00 | ¥1,503.00 | 404,800 | |
| ¥1,509.00 | -46.00 | -3.0% | ¥1,545.00 | ¥1,545.00 | ¥1,492.00 | 302,500 | |
| ¥1,555.00 | +13.00 | +0.8% | ¥1,546.00 | ¥1,566.00 | ¥1,531.00 | 291,500 | |
| ¥1,542.00 | +96.00 | +6.6% | ¥1,485.00 | ¥1,575.00 | ¥1,461.00 | 796,600 | |
| ¥1,446.00 | +187.00 | +14.9% | ¥1,260.00 | ¥1,530.00 | ¥1,251.00 | 1,206,100 | |
| ¥1,259.00 | +21.00 | +1.7% | ¥1,248.00 | ¥1,266.00 | ¥1,240.00 | 147,400 | |
| ¥1,238.00 | +20.00 | +1.6% | ¥1,218.00 | ¥1,249.00 | ¥1,215.00 | 176,200 |
- Ticker
- OTC:SUMKF
- Asset type
- Stock
- Sector
- Chemicals & materials
- Industry
- Chemicals
- Exchange
- OTC
- Currency
- USD
What changed lately
Latest news release · Sep 28, 2026
Notice Regarding the Status and the Completion of Treasury Share Acquisition
Latest news
Notice Regarding the Status and the Completion of Treasury Share Acquisition
Sep 28, 2026
Closed ¥1,520.00 (-2.3%) on Sep 28, 2026
Correction to the “Sumitomo Seika Group Announces the Long-Term Vision 2045 and the Outline of its New Medium-Term Business Plan for FY2026 to FY
Aug 12, 2026
Closed ¥1,509.00 (-3.0%) on Aug 12, 2026
Consolidated Financial Results for the Three Months Ended June 30, 2026 (Under Japanese GAAP)
Aug 6, 2026
Closed ¥1,446.00 (+14.9%) on Aug 6, 2026
Notice Regarding Completion of Payment for New Share Issuance as Restricted Stock Compensation
Jul 28, 2026
Closed ¥1,230.00 (-4.1%) on Jul 28, 2026
Correction to the “Notice Regarding Issuance of New Shares as Restricted Stock Compensation”
Jul 6, 2026
Closed ¥1,307.00 (-3.3%) on Jul 7, 2026
Notice Regarding the Status of Acquisition of Treasury Shares
Jul 2, 2026
Closed ¥1,305.00 (+1.5%) on Jul 2, 2026
Notice Regarding Issuance of New Shares as Restricted Stock Compensation
Jun 29, 2026
Closed ¥1,295.00 (+0.5%) on Jun 29, 2026
Sumitomo Seika Chemicals Co., Ltd. on 6ix
- Sector
- Chemicals & materials
- Industry
- Chemicals
- News releases
- 8 in the last 12 months · 26 in all · newest Sep 28, 2026 · oldest 2016
Where Sumitomo Seika Chemicals Co., Ltd. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| Tokyo:4008 住友精化 · Home listing | Tokyo | Japan | JPY |
| OTC:SUMKF · This page | OTC | United States | USD |
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