| Name | Code | Last | Cur | M. cap. | Industry |
|---|
| Kohsai Co Ltd | 7878 XJPX | 1,061.00 | JPY | 2 | Apparel |
| Kohsoku Corp | 7504 XJPX | 2,312.00 | JPY | 286 | Containers & Packaging |
| Koike Sanso Kogyo Co Ltd | 6137 XJPX | 6,040.00 | JPY | 161 | Industrial Machinery & Equipment |
| Koike-Ya Inc | 2226 XJPX | 4,650.00 | JPY | 158 | Food Processing |
| Koito Manufacturing Co Ltd | 7276 XJPX | 1,985.00 | JPY | 3,754 | Car parts |
| Kojima Co Ltd | 7513 XJPX | 977.00 | JPY | 481 | Computer & Electronics Retailers |
| Koken Boring Machine Co Ltd | 6297 XJPX | 470.00 | JPY | 25 | Industrial Machinery & Equipment |
| Koken Ltd | 7963 XJPX | 1,559.00 | JPY | 49 | Medical Equipment |
| Kokopelli Inc | 4167 XJPX | 325.00 | JPY | 16 | Software |
| Kokusai Co Ltd | 7722 XJPX | 500.00 | JPY | 43 | Industrial Machinery & Equipment |
| Kokusai Electric Corp | 6525 XJPX | 2,249.00 | JPY | 3,346 | Semiconductor Equipment & Testing |
| Kokuyo Co Ltd | 7984 XJPX | 2,596.50 | JPY | 1,786 | Business Support Supplies |
| Kokyo Inc | 5887 XJPX | 1,700.00 | JPY | 3 | Electronic Equipment |
| Komaihaltec Inc | 5915 XJPX | 1,553.00 | JPY | 46 | Engineering & Construction |
| Komatsu Ltd | 6301 XJPX | 4,260.00 | JPY | 24,534 | Heavy Machinery & Vehicles |
| Komatsu Matere Co Ltd | 3580 XJPX | 783.00 | JPY | 200 | Textile & Leather |
| Komatsu Wall Industry Co Ltd | 7949 XJPX | 1,508.00 | JPY | 170 | Construction Supplies & Fixtures |
| Komeda Holdings Co Ltd | 3543 XJPX | 2,667.00 | JPY | 776 | Restaurants |
| Komehyo Holdings Co Ltd | 2780 XJPX | 3,770.00 | JPY | 264 | Other Retailers |
| Komeri Co Ltd | 8218 XJPX | 3,100.00 | JPY | 939 | Home Improvement Products & Services Retailers |
| Komori Corp | 6349 XJPX | 1,146.00 | JPY | 389 | Industrial Machinery & Equipment |
| Konaka Co Ltd | 7494 XJPX | 220.00 | JPY | 47 | Apparel Retailers |
| Konami Group Corp | 9766 XJPX | 13,845.00 | JPY | 12,010 | Software |
| Kondotec Inc | 7438 XJPX | 1,303.00 | JPY | 213 | Industrial Machinery & Equipment |
| Konica Minolta Inc | 4902 XJPX | 618.30 | JPY | 1,957 | Office Equipment |
| Konishi Co Ltd | 4956 XJPX | 1,225.00 | JPY | 531 | Commodity Chemicals |
| Konoike Transport Co Ltd | 9025 XJPX | 2,945.00 | JPY | 1,000 | Ground Freight & Logistics |
| Konoshima Chemical Co Ltd | 4026 XJPX | 1,638.00 | JPY | 95 | Construction Supplies & Fixtures |
| Koryojyuhan Co Ltd | 3495 XJPX | 1,626.00 | JPY | 28 | Other REITs |
| Kosaido Holdings Co Ltd | 7868 XJPX | 489.00 | JPY | 450 | Commercial Printing Services |
| Kose Corp | 4922 XJPX | 6,737.00 | JPY | 2,460 | Personal Products |
| Kosei Securities Co Ltd | 8617 XJPX | 412.00 | JPY | 24 | Investment Banking & Brokerage Services |
| Kose RE Co Ltd | 3246 XJPX | 720.00 | JPY | 46 | Other REITs |
| Koshidaka Holdings Co Ltd | 2157 XJPX | 1,050.00 | JPY | 553 | Leisure |
| Kotobuki Spirits Co Ltd | 2222 XJPX | 2,163.00 | JPY | 2,154 | Food Processing |
| Kotobukiya Co Ltd | 7809 XJPX | 1,448.00 | JPY | 24 | Toys |
| Koukandekirukun Inc | 7695 XJPX | 3,280.00 | JPY | 47 | Online Services |
| Kourakuen Holdings Corp | 7554 XJPX | 1,011.00 | JPY | 121 | Restaurants |
| KOWA CO LTD | 7807 XJPX | 862.00 | JPY | 23 | Medical Equipment |
| Koyosha Inc | 7946 XJPX | 1,451.00 | JPY | 6 | Commercial Printing Services |
| Koyou Rentia Co Ltd | 7081 XJPX | 1,042.00 | JPY | 36 | Business Support Services |
| Kozo Keikaku Engineering Inc | 4748 XJPX | 4,045.00 | JPY | 135 | IT Services & Consulting |
| Kozosushi Co Ltd | 9973 XJPX | 18.00 | JPY | 23 | Restaurants |
| K Pharma Inc | 4896 XJPX | 661.00 | JPY | 49 | Pharmaceuticals |
| KPP Group Holdings Co Ltd | 9274 XJPX | 631.00 | JPY | 278 | Paper Products |
| Kringle Pharma Inc | 4884 XJPX | 1,195.00 | JPY | 41 | Biotechnology |
| Krosaki Harima Corp | 5352 XJPX | 2,400.00 | JPY | 517 | Construction Materials |
| KRS Corp | 9369 XJPX | 2,107.00 | JPY | 335 | Ground Freight & Logistics |
| K'S Holdings Corp | 8282 XJPX | 1,398.50 | JPY | 1,494 | Computer & Electronics Retailers |
| KSK Co Ltd | 9687 XJPX | 3,010.00 | JPY | 115 | IT Services & Consulting |