| Name | Code | Last | Cur | M. cap. | Industry |
|---|
| Oracle Corp Japan | 4716 XJPX | 14,200.00 | JPY | 11,699 | Software |
| Orchestra Holdings Inc | 6533 XJPX | 762.00 | JPY | 43 | Marketing & Advertising |
| Organo Corp | 6368 XJPX | 8,440.00 | JPY | 2,455 | Environmental Services & Equipment |
| Oricon Inc | 4800 XJPX | 815.00 | JPY | 67 | Online Services |
| Oriental Chain Mfg Co Ltd | 6380 XJPX | 1,945.00 | JPY | 17 | Industrial Machinery & Equipment |
| Oriental Consultants Holdings Co Ltd | 2498 XJPX | 5,140.00 | JPY | 199 | Engineering & Construction |
| Oriental Land Co Ltd | 4661 XJPX | 3,318.00 | JPY | 34,731 | Leisure |
| Oriental Shiraishi Corp | 1786 XJPX | 379.00 | JPY | 319 | Engineering & Construction |
| Orient Corp | 8585 XJPX | 801.00 | JPY | 875 | Consumer Lending |
| Original Engineering Consultants Co Ltd | 4642 XJPX | 1,122.00 | JPY | 42 | Business Support Services |
| Origin Co Ltd | 6513 XJPX | 1,132.00 | JPY | 38 | Electrical Equipment |
| ORIX Corp | 8591 XJPX | 3,282.00 | JPY | 23,527 | Consumer Lending |
| Orix JREIT Inc | 8954 XJPX | 161,300.00 | JPY | 2,873 | Other REITs |
| Oro Co Ltd | 3983 XJPX | 2,235.00 | JPY | 227 | IT Services & Consulting |
| Orvis Corp | 7827 XJPX | 1,340.00 | JPY | 15 | Forest & Wood Products |
| Osaka Gas Co Ltd | 9532 XJPX | 3,139.00 | JPY | 8,018 | Gas Utilities |
| Osaka Organic Chemical Industry Ltd | 4187 XJPX | 2,788.00 | JPY | 375 | Commodity Chemicals |
| Osaka Soda Co Ltd | 4046 XJPX | 1,735.00 | JPY | 1,437 | Commodity Chemicals |
| Osaka Steel Co Ltd | 5449 XJPX | 2,775.00 | JPY | 661 | Iron & Steel |
| Osaka Titanium Technologies Co Ltd | 5726 XJPX | 1,865.00 | JPY | 424 | Other Metals & Minerals |
| Osaka Yuka Industry Ltd | 4124 XJPX | 3,220.00 | JPY | 21 | Diversified Chemicals |
| Osaki Electric Co Ltd | 6644 XJPX | 754.00 | JPY | 223 | Electrical Equipment |
| OSG Corp | 6136 XJPX | 1,645.00 | JPY | 888 | Industrial Machinery & Equipment |
| OSG Corporation Co Ltd | 6757 XJPX | 1,029.00 | JPY | 33 | Appliances, Tools & Housewares |
| Ota Floriculture Auction Co Ltd | 7555 XJPX | 746.00 | JPY | 24 | Fishing & Farming |
| Otake Corp | 7434 XJPX | 1,835.00 | JPY | 48 | Industrial Machinery & Equipment |
| Otani Kogyo Co Ltd | 5939 XJPX | 5,980.00 | JPY | 29 | Heavy Electrical Equipment |
| Otec Corp | 1736 XJPX | 3,610.00 | JPY | 117 | Construction Supplies & Fixtures |
| Otomo Logistics Service Co Ltd | 9149 XJPX | 560.00 | JPY | 71 | Ground Freight & Logistics |
| Otsuka Corp | 4768 XJPX | 3,367.00 | JPY | 8,100 | IT Services & Consulting |
| Otsuka Holdings Co Ltd | 4578 XJPX | 8,016.00 | JPY | 27,239 | Pharmaceuticals |
| OUG Holdings Inc | 8041 XJPX | 2,591.00 | JPY | 89 | Fishing & Farming |
| OutlookConsulting Co Ltd | 5596 XJPX | 982.00 | JPY | 22 | Software |
| Oval Corp | 7727 XJPX | 363.00 | JPY | 51 | Industrial Machinery & Equipment |
| O-Well Corp | 7670 XJPX | 999.00 | JPY | 65 | Commodity Chemicals |
| O' will Corp | 3143 XJPX | 1,800.00 | JPY | 36 | Food Retail & Distribution |
| Oxide Corp | 6521 XJPX | 1,493.00 | JPY | 108 | Electronic Equipment |
| Oyo Corp | 9755 XJPX | 2,427.00 | JPY | 344 | Engineering & Construction |
| Ozu Corp | 7487 XJPX | 1,705.00 | JPY | 90 | Textile & Leather |
| Pacific Industrial Co Ltd | 7250 XJPX | 1,337.00 | JPY | 478 | Car parts |
| Pacific Metals Co Ltd | 5541 XJPX | 1,508.00 | JPY | 190 | Other Metals & Minerals |
| Pacific Net Co Ltd | 3021 XJPX | 1,242.00 | JPY | 40 | IT Services & Consulting |
| Pacific Systems Corp | 3847 XJPX | 4,185.00 | JPY | 39 | IT Services & Consulting |
| Pack Corp | 3950 XJPX | 3,490.00 | JPY | 424 | Containers & Packaging |
| PA Co Ltd | 4766 XJPX | 233.00 | JPY | 15 | Employment Services |
| Palemo Holdings Co Ltd | 2778 XJPX | 125.00 | JPY | 9 | Apparel Retailers |
| PAL Group Holdings Co Ltd | 2726 XJPX | 3,275.00 | JPY | 1,789 | Apparel Retailers |
| Palma Co Ltd | 3461 XJPX | 510.00 | JPY | 22 | Business Support Services |
| PALTAC Corp | 8283 XJPX | 4,241.00 | JPY | 1,677 | Personal Products |
| Panasonic Holdings Corp | 6752 XJPX | 1,545.00 | JPY | 22,843 | Household Electronics |