| Name | Code | Last | Cur | M. cap. | Industry |
|---|
| Yellow Hat Ltd | 9882 XJPX | 1,529.00 | JPY | 888 | Car parts |
| YKT Corp | 2693 XJPX | 237.00 | JPY | 18 | Industrial Machinery & Equipment |
| Ymirlink Inc | 4372 XJPX | 1,584.00 | JPY | 41 | IT Services & Consulting |
| Yodogawa Steel Works Ltd | 5451 XJPX | 1,124.00 | JPY | 1,118 | Iron & Steel |
| Yokogawa Bridge Holdings Corp | 5911 XJPX | 2,611.00 | JPY | 715 | Engineering & Construction |
| Yokogawa Electric Corp | 6841 XJPX | 3,788.00 | JPY | 6,769 | Industrial Machinery & Equipment |
| Yokohama Gyorui Co Ltd | 7443 XJPX | 596.00 | JPY | 25 | Food Processing |
| Yokohama Maruuo Co Ltd | 8045 XJPX | 997.00 | JPY | 43 | Fishing & Farming |
| Yokohama Rubber Co Ltd | 5101 XJPX | 4,212.00 | JPY | 4,468 | Tires & Rubber Products |
| Yokohama Wright Industries Co Ltd | 1452 XJPX | 18,530.00 | JPY | 6 | Engineering & Construction |
| Yokorei Co Ltd | 2874 XJPX | 1,052.00 | JPY | 390 | Food Processing |
| Yokota Manufacturing Co Ltd | 6248 XJPX | 1,528.00 | JPY | 19 | Industrial Machinery & Equipment |
| Yokowo Co Ltd | 6800 XJPX | 1,410.00 | JPY | 224 | Electronic Equipment |
| Yomeishu Seizo Co Ltd | 2540 XJPX | 3,200.00 | JPY | 299 | Distillers & Wineries |
| Yondenko Corp | 1939 XJPX | 1,290.00 | JPY | 422 | Engineering & Construction |
| Yondoshi Holdings Inc | 8008 XJPX | 1,741.00 | JPY | 255 | Apparel |
| Yonex Co Ltd | 7906 XJPX | 3,030.00 | JPY | 1,770 | Recreational Products |
| Yonkyu Co Ltd | 9955 XJPX | 2,237.00 | JPY | 186 | Fishing & Farming |
| Yorozu Corp | 7294 XJPX | 897.00 | JPY | 149 | Car parts |
| Yoshicon Co Ltd | 5280 XJPX | 2,084.00 | JPY | 101 | Other REITs |
| Yoshimura Food Holdings KK | 2884 XJPX | 1,051.00 | JPY | 170 | Food Processing |
| Yoshinoya Holdings Co Ltd | 9861 XJPX | 3,251.00 | JPY | 1,443 | Restaurants |
| Yoshitake Inc | 6488 XJPX | 725.00 | JPY | 63 | Industrial Machinery & Equipment |
| Yossix Holdings Co Ltd | 3221 XJPX | 2,540.00 | JPY | 177 | Restaurants |
| Yotai Refractories Co Ltd | 5357 XJPX | 1,719.00 | JPY | 215 | Construction Materials |
| Youji Corp | 2152 XJPX | 1,322.00 | JPY | 97 | Personal Services |
| Youkosha Co Ltd | 6576 XJPX | 638.00 | JPY | 3 | Healthcare Facilities & Services |
| YRGLM Inc | 3690 XJPX | 532.00 | JPY | 22 | IT Services & Consulting |
| Y.S.Food Co Ltd | 3358 XJPX | 98.00 | JPY | 4 | Restaurants |
| Y's Table Corp | 2798 XJPX | 2,945.00 | JPY | 66 | Restaurants |
| Yuasa Funashoku Co Ltd | 8006 XJPX | 4,530.00 | JPY | 136 | Food Retail & Distribution |
| Yuasa Trading Co Ltd | 8074 XJPX | 4,595.00 | JPY | 641 | Construction Supplies & Fixtures |
| Yuken Kogyo Co Ltd | 6393 XJPX | 2,732.00 | JPY | 71 | Industrial Machinery & Equipment |
| Yuke's Co Ltd | 4334 XJPX | 411.00 | JPY | 23 | Leisure |
| Yuki Gosei Kogyo Co Ltd | 4531 XJPX | 263.00 | JPY | 38 | Diversified Chemicals |
| Yukiguni Maitake Co Ltd | 1375 XJPX | 1,102.00 | JPY | 300 | Fishing & Farming |
| Yumemitsuketai Co Ltd | 2673 XJPX | 119.00 | JPY | 8 | Department Stores |
| Yurtec Corp | 1934 XJPX | 2,286.00 | JPY | 1,040 | Engineering & Construction |
| Yushin Precision Equipment Co Ltd | 6482 XJPX | 594.00 | JPY | 138 | Industrial Machinery & Equipment |
| Yushiro Chemical Industry Co Ltd | 5013 XJPX | 2,170.00 | JPY | 200 | Commodity Chemicals |
| Yutaka Foods Corp | 2806 XJPX | 2,030.00 | JPY | 96 | Food Processing |
| Yutaka Giken Co Ltd | 7229 XJPX | 2,751.00 | JPY | 278 | Car parts |
| Yutaka Trusty Securities Co Ltd | 8747 XJPX | 1,485.00 | JPY | 55 | Investment Banking & Brokerage Services |
| YU WA Creation Holdings Co Ltd | 7615 XJPX | 100.00 | JPY | 9 | Apparel Retailers |
| Zaoh Co Ltd | 9986 XJPX | 2,430.00 | JPY | 90 | Industrial Machinery & Equipment |
| Zappallas Inc | 3770 XJPX | 372.00 | JPY | 22 | Online Services |
| Zenitaka Corp | 1811 XJPX | 4,275.00 | JPY | 208 | Engineering & Construction |
| Zenken Corp | 7371 XJPX | 667.00 | JPY | 54 | IT Services & Consulting |
| Zenkoku Hosho Co Ltd | 7164 XJPX | 3,165.00 | JPY | 2,921 | Consumer Lending |
| Zenrin Co Ltd | 9474 XJPX | 1,037.00 | JPY | 378 | Consumer Publishing |