Company directory
By Japanese syllabary
By securities code
MA (276 companies)
| Company | Code | Revenue | Operating margin | Consolidated / Non-consolidated | Fiscal year end |
|---|---|---|---|---|---|
| マイクロアド | 9553 | ¥15.7 billion | 3.9% | Consolidated | 2025-09-30 |
| MAINICHI COMNET | 8908 | ¥27.1 billion | 10.9% | Consolidated | 2026-05-31 |
| Mipox | 5381 | ¥12.1 billion | 4.8% | Consolidated | 2026-03-31 |
| MAEZAWA KASEI INDUSTRIES | 7925 | ¥24.2 billion | 9.0% | Consolidated | 2025-03-31 |
| MAEZAWA KYUSO INDUSTRIES | 6485 | ¥31.7 billion | 8.6% | Parent only | 2026-03-31 |
| Maezawa Industries | 6489 | ¥37.5 billion | 12.4% | Consolidated | 2025-05-31 |
| MAEDA KOSEN | 7821 | ¥71.4 billion | 16.9% | Consolidated | 2026-06-30 |
| Makita | 6586 | ¥777.6 billion | 13.5% | Consolidated | 2026-03-31 |
| Makino Milling Machine | 6135 | ¥261.2 billion | 9.6% | Consolidated | 2026-03-31 |
| MAKIYA | 9890 | ¥93.7 billion | 2.3% | Consolidated | 2026-03-31 |
| Maxell | 6810 | ¥129.4 billion | 6.1% | Consolidated | 2026-03-31 |
| マクニカ | 3132 | ¥1,214.2 billion | 3.5% | Consolidated | 2026-03-31 |
| makoto construction | 8995 | ¥3.1 billion | 1.3% | Consolidated | 2026-03-31 |
| MASARU | 1795 | ¥10.6 billion | 6.0% | Consolidated | 2025-09-30 |
| MAX | 6454 | ¥99.6 billion | 17.6% | Consolidated | 2026-03-31 |
| Maxvalu Tokai | 8198 | ¥385.0 billion | 3.5% | Consolidated | 2026-02-28 |
| MATSUI CONSTRUCTION | 1810 | ¥96.0 billion | 5.9% | Consolidated | 2026-03-31 |
| MATSUI SECURITIES | 8628 | — | — | — | 2026-03-31 |
| MATSUOKA | 3611 | ¥74.3 billion | 2.9% | Consolidated | 2026-03-31 |
| matsuo construction | — | ¥73.2 billion | 7.0% | Consolidated | 2026-03-31 |
| MATSUO ELECTRIC | 6969 | ¥5.1 billion | 11.3% | Parent only | 2026-03-31 |
| MatsukiyoCocokara & | 3088 | ¥1,117.4 billion | 7.6% | Consolidated | 2026-03-31 |
| Mazda Motor | 7261 | ¥4,918.2 billion | 1.0% | Consolidated | 2026-03-31 |
| MATSUDA SANGYO | 7456 | ¥687.8 billion | 3.3% | Consolidated | 2026-03-31 |
| matsunaga country club | — | ¥0.4 billion | 2.0% | Parent only | 2025-09-30 |
| MATSUMOTO | 7901 | ¥2.1 billion | -7.5% | Parent only | 2026-04-30 |
| MATSUMOTO YUSHI-SEIYAKU | 4365 | ¥41.1 billion | 19.9% | Consolidated | 2026-03-31 |
| MATSUYA | 8237 | ¥45.7 billion | 5.8% | Consolidated | 2026-02-28 |
| Matsuya R&D | 7317 | ¥9.8 billion | 21.8% | Consolidated | 2026-03-31 |
| MATSUYA FOODS | 9887 | ¥184.5 billion | 4.1% | Consolidated | 2026-03-31 |
| 松山観光ゴルフ | — | ¥0.3 billion | 8.8% | Parent only | 2025-12-31 |
| Material Group | 156A | ¥6.3 billion | 13.2% | Consolidated | 2025-08-31 |
| MANAC Chemical Partners | 4360 | ¥11.0 billion | 6.7% | Consolidated | 2026-03-31 |
| 学びエイド | 184A | ¥0.4 billion | -46.9% | Parent only | 2026-04-30 |
| MANI | 7730 | ¥30.0 billion | 27.3% | Consolidated | 2025-08-31 |
| Management Solutions | 7033 | ¥23.1 billion | 11.9% | Consolidated | 2025-12-31 |
| Monex Group | 8698 | ¥92.8 billion | — | — | 2026-03-31 |
| Monex Finance | — | ¥1.7 billion | 11.6% | Parent only | 2026-03-31 |
| Money Forward | 3994 | ¥50.3 billion | -5.3% | Consolidated | 2025-11-30 |
| MABUCHI MOTOR | 6592 | ¥200.4 billion | 12.7% | Consolidated | 2025-12-31 |
| MAMIYA-OP | 7991 | ¥20.9 billion | 9.0% | Consolidated | 2026-03-31 |
| Mammy Mart | 9823 | ¥193.7 billion | 3.5% | Consolidated | 2025-09-30 |
| Mullion | 3494 | ¥3.3 billion | 26.9% | Parent only | 2025-09-30 |
| 丸井 | 8252 | ¥276.9 billion | 18.1% | Consolidated | 2026-03-31 |
| Maruichi Steel Tube | 5463 | ¥243.8 billion | 13.1% | Consolidated | 2026-03-31 |
| MARUICHI | 8228 | ¥297.1 billion | 0.9% | Consolidated | 2026-03-31 |
| MARUWN | 9067 | ¥46.1 billion | 2.7% | Consolidated | 2025-03-31 |
| Maruo Calcium | 4102 | ¥12.6 billion | 0.7% | Consolidated | 2026-03-31 |
| Maruken Lease | 9763 | ¥26.5 billion | 5.4% | Consolidated | 2026-03-31 |
| MARUSAN-AI | 2551 | ¥32.9 billion | 2.6% | Consolidated | 2025-09-20 |
| Marusan Securities | 8613 | — | — | — | 2026-03-31 |
| MARCHE | 7524 | ¥4.8 billion | -0.6% | Parent only | 2026-03-31 |
| MARUZEN | 5982 | ¥66.8 billion | 9.9% | Consolidated | 2026-02-28 |
| Maruzen Showa Unyu Co,.Ltd | 9068 | ¥148.6 billion | 10.4% | Consolidated | 2026-03-31 |
| Maruzen CHI | 3159 | ¥185.1 billion | 3.0% | Consolidated | 2026-01-31 |
| marutai | 2919 | ¥9.6 billion | 5.8% | Parent only | 2026-03-31 |
| MARUDAI FOOD | 2288 | ¥238.4 billion | 3.1% | Consolidated | 2026-03-31 |
| Maruchiyo Yamaokaya | 3399 | ¥43.0 billion | 10.9% | Parent only | 2026-01-31 |
| Maruto Sangyo | 7894 | ¥18.8 billion | 2.2% | Consolidated | 2026-02-28 |
| Maruhachi Securities | 8700 | — | — | — | 2026-03-31 |
| Maruhachi Warehouse | 9313 | ¥4.9 billion | 10.1% | Consolidated | 2025-11-30 |
| MARUFUJI SHEET PILING | 8046 | ¥40.3 billion | 5.2% | Consolidated | 2026-03-31 |
| MARUBUN | 7537 | ¥213.4 billion | 3.6% | Consolidated | 2026-03-31 |
| Marubeni | 8002 | ¥8,265.8 billion | — | — | 2026-03-31 |
| Marumae | 6264 | ¥11.4 billion | 18.4% | Consolidated | 2025-08-31 |
| MARUYAMA MFG.CO | 6316 | ¥41.3 billion | 2.6% | Consolidated | 2025-09-30 |
| Maruyoshi Center | 7515 | ¥40.8 billion | 0.8% | Consolidated | 2026-02-28 |
| MARUWA | 5344 | ¥74.5 billion | 33.5% | Consolidated | 2026-03-31 |
| MANSEI | 7565 | ¥27.0 billion | 5.8% | Consolidated | 2026-03-31 |
| MANDOM | 4917 | ¥76.2 billion | 1.3% | Consolidated | 2025-03-31 |
| MANDARAKE | 2652 | ¥15.2 billion | 11.8% | Parent only | 2025-09-30 |
| MERCURY | 5025 | ¥1.6 billion | 4.6% | Parent only | 2026-02-28 |
| MarkLines | 3901 | ¥5.6 billion | 37.6% | Consolidated | 2025-12-31 |
| MarketEnterprise | 3135 | ¥26.2 billion | 0.3% | Consolidated | 2026-06-30 |
| Mars Group | 6419 | ¥32.3 billion | 27.2% | Consolidated | 2026-03-31 |
| マーソ | 5619 | ¥1.1 billion | -3.1% | Consolidated | 2025-12-31 |
| MBK | 3121 | ¥3.4 billion | 8.4% | Consolidated | 2025-10-31 |
| MERF | 3168 | ¥82.5 billion | 0.1% | Consolidated | 2025-08-31 |
| Marvelous | 7844 | ¥38.0 billion | 5.9% | Consolidated | 2026-03-31 |
| Miahelsa | 7129 | ¥24.9 billion | 3.3% | Consolidated | 2026-03-31 |
| MIURA | 6005 | ¥268.7 billion | 11.5% | Consolidated | 2026-03-31 |
| Mie Kotsu Group | 3232 | ¥110.3 billion | 8.8% | Consolidated | 2026-03-31 |
| ミガロ | 5535 | ¥57.5 billion | 5.3% | Consolidated | 2026-03-31 |
| MIKIKOGYO | 1718 | ¥36.2 billion | 7.1% | Consolidated | 2025-12-31 |
| MIXI | 2121 | ¥171.4 billion | 13.0% | Consolidated | 2026-03-31 |
| MIKUNI | 7247 | ¥103.4 billion | 4.0% | Consolidated | 2026-03-31 |
| MIKUNI SHOJI | — | ¥23.8 billion | 3.4% | Consolidated | 2026-03-31 |
| MICREED | 7687 | ¥7.7 billion | 5.3% | Parent only | 2026-03-31 |
| MICRON MACHINERY | 6159 | ¥5.8 billion | 10.6% | Consolidated | 2025-08-31 |
| Misawa & | 3169 | ¥12.2 billion | 1.9% | Parent only | 2026-01-31 |
| Mr Max | 8203 | ¥142.1 billion | 3.1% | Consolidated | 2026-02-28 |
| MISUMI | 7441 | ¥60.0 billion | 1.6% | Consolidated | 2026-03-31 |
| MISUMI Group | 9962 | ¥441.4 billion | 10.8% | Consolidated | 2026-03-31 |
| Mizuno | 8022 | ¥259.0 billion | 8.7% | Consolidated | 2026-03-31 |
| Mizuho Bank | — | — | — | — | 2026-03-31 |
| Mizuho Financial Group | 8411 | — | 88.9% | Parent only | 2026-03-31 |
| MIZUHO MEDY | 4595 | ¥11.3 billion | 41.3% | Parent only | 2025-12-31 |
| Mizuho Leasing | 8425 | ¥921.6 billion | 4.8% | Consolidated | 2026-03-31 |
| 御園座 | 9664 | ¥3.2 billion | 7.4% | Parent only | 2026-03-31 |
| MITACHI | 3321 | ¥120.3 billion | 2.3% | Consolidated | 2026-05-31 |
| MITANI SANGYO | 8285 | ¥117.5 billion | 2.9% | Consolidated | 2026-03-31 |
| MITANI CORPORATIN | 8066 | ¥339.0 billion | 9.6% | Consolidated | 2026-03-31 |
| mitanisekisanco | 5273 | ¥99.9 billion | 17.6% | Consolidated | 2026-03-31 |
| MIDAC | 6564 | ¥11.8 billion | 39.9% | Consolidated | 2026-03-31 |
| MIC | 300A | ¥15.1 billion | 11.2% | Parent only | 2026-03-31 |
| MIT | 4016 | ¥5.1 billion | 3.3% | Consolidated | 2025-11-30 |
| MITSUI E&S | 7003 | ¥353.2 billion | 10.7% | Consolidated | 2026-03-31 |
| MODEC | 6269 | ¥4.6 billion | 9.6% | Consolidated | 2025-12-31 |
| Mitsui Chemicals | 4183 | ¥1,668.8 billion | 4.4% | Consolidated | 2026-03-31 |
| Mitsui Kinzoku | 5706 | ¥758.5 billion | 17.3% | Consolidated | 2026-03-31 |
| SUMIKEN MITSUI ROAD | 1776 | ¥30.2 billion | 0.7% | Consolidated | 2025-03-31 |
| Mitsui Sumitomo Insurance | — | ¥4,283.5 billion | — | — | 2026-03-31 |
| Sumitomo Mitsui Banking | — | — | — | — | 2026-03-31 |
| Sumitomo Mitsui Construction | 1821 | ¥463.0 billion | 1.6% | Consolidated | 2025-03-31 |
| Sumitomo Mitsui Trust Bank | — | — | — | — | 2026-03-31 |
| Sumitomo Mitsui Trust Group | 8309 | — | 95.7% | Parent only | 2026-03-31 |
| Sumitomo Mitsui Finance and Leasing | — | ¥2,605.7 billion | 8.0% | Consolidated | 2026-03-31 |
| Sumitomo Mitsui Financial Group | 8316 | — | 63.4% | Parent only | 2026-03-31 |
| MITSUI-SOKO | 9302 | ¥299.5 billion | 7.4% | Consolidated | 2026-03-31 |
| Mitsui High-tec | 6966 | ¥218.3 billion | 5.8% | Consolidated | 2026-01-31 |
| Mitsui Fudosan | 8801 | ¥2,709.7 billion | 14.7% | Consolidated | 2026-03-31 |
| MITSUI & | 8031 | ¥13,995.2 billion | — | — | 2026-03-31 |
| MITSUI MATSUSHIMA | 1518 | ¥65.5 billion | 14.6% | Consolidated | 2026-03-31 |
| Mitsuuroko Group | 8131 | ¥339.5 billion | 3.6% | Consolidated | 2026-03-31 |
| MITSUKI KANKOKAIHATSU | — | ¥0.2 billion | -16.1% | Parent only | 2025-08-31 |
| Isetan Mitsukoshi | 3099 | ¥545.6 billion | 14.7% | Consolidated | 2026-03-31 |
| Mitsuchi | 3439 | ¥12.6 billion | 2.2% | Consolidated | 2026-06-30 |
| Mitutoyo | — | ¥155.2 billion | 3.7% | Consolidated | 2025-12-31 |
| MITSUBA | 7280 | ¥348.6 billion | 6.9% | Consolidated | 2026-03-31 |
| Mitsubishi HC Capital | 8593 | ¥2,215.4 billion | 10.9% | Consolidated | 2026-03-31 |
| MITSUBISHI PENCIL | 7976 | ¥89.8 billion | 10.8% | Consolidated | 2025-12-31 |
| Mitsubishi Kakoki Kaisha | 6331 | ¥84.2 billion | 10.9% | Consolidated | 2026-03-31 |
| MITSUBISHI GAS CHEMICAL | 4182 | ¥738.2 billion | 6.1% | Consolidated | 2026-03-31 |
| Mitsubishi Chemical Gloup | 4188 | ¥3,704.0 billion | 0.8% | Consolidated | 2026-03-31 |
| Mitsubishi | 8058 | ¥18,916.0 billion | — | — | 2026-03-31 |
| Mitsubishi Shokuhin | 7451 | ¥2,120.8 billion | 1.5% | Consolidated | 2025-03-31 |
| Mitsubishi Estate | 8802 | ¥1,746.1 billion | 18.9% | Consolidated | 2026-03-31 |
| MITSUBISHI MOTORS | 7211 | ¥2,896.5 billion | 2.6% | Consolidated | 2026-03-31 |
| Mitsubishi Heavy Industries | 7011 | ¥4,974.2 billion | — | — | 2026-03-31 |
| Mitsubishi Steel Mfg | 5632 | ¥154.6 billion | 3.1% | Consolidated | 2026-03-31 |
| MITSUBISHI PAPER MILLS | 3864 | ¥157.5 billion | 0.2% | Consolidated | 2026-03-31 |
| Mitsubishi Logistics | 9301 | ¥273.4 billion | 5.8% | Consolidated | 2026-03-31 |
| Mitsubishi Research Institute | 3636 | ¥121.5 billion | 6.6% | Consolidated | 2025-09-30 |
| Mitsubishi Electric | 6503 | ¥5,894.7 billion | 7.3% | Consolidated | 2026-03-31 |
| MITSUBISHI MATERIALS | 5711 | ¥1,844.1 billion | 3.3% | Consolidated | 2026-03-31 |
| MUFG Bank | — | — | — | — | 2026-03-31 |
| Mitsubishi UFJ Securities | — | — | — | — | 2026-03-31 |
| Mitsubishi UFJ Trust and Banking | — | — | — | — | 2026-03-31 |
| MITSUBOSHI | 5820 | ¥11.7 billion | 3.0% | Consolidated | 2026-03-31 |
| Mitsuboshi Belting | 5192 | ¥92.3 billion | 9.4% | Consolidated | 2026-03-31 |
| MITSUMURA PRINTING | 7916 | ¥14.1 billion | -0.5% | Consolidated | 2026-03-31 |
| Mito Country Club | — | ¥1.0 billion | -8.9% | Parent only | 2026-03-31 |
| Mito Securities | 8622 | — | — | — | 2026-03-31 |
| MITRA Group | 6093 | ¥5.1 billion | 6.4% | Consolidated | 2026-02-28 |
| MINATO | 6862 | ¥36.6 billion | 11.6% | Consolidated | 2026-03-31 |
| The Minami-Nippon Bank | 8554 | — | — | — | 2026-03-31 |
| MINISTOP | 9946 | — | — | — | 2026-02-28 |
| MINEBEA MITSUMI | 6479 | ¥1,664.4 billion | 6.2% | Consolidated | 2026-03-31 |
| みのや | 386A | ¥25.7 billion | 2.6% | Parent only | 2026-06-30 |
| MINO CERAMIC | 5356 | ¥16.2 billion | 9.9% | Consolidated | 2026-03-31 |
| 三原京覧開発 | — | ¥0.4 billion | 11.5% | Parent only | 2026-01-31 |
| MIMAKI ENGINEERING | 6638 | ¥83.7 billion | 11.3% | Consolidated | 2026-03-31 |
| MIMITSU KANKO KAIHATSU | — | ¥0.4 billion | 4.0% | Parent only | 2026-03-31 |
| MIYAIRI VALVE MFG.CO | 6495 | ¥7.0 billion | 1.6% | Parent only | 2026-03-31 |
| MiyagikenKensetsuKaiKan | — | ¥89.17 million | 1.8% | Parent only | 2026-03-31 |
| Miyakoshi | 6620 | ¥0.4 billion | -85.2% | Consolidated | 2026-03-31 |
| 宮崎瓦斯 | — | ¥25.5 billion | 5.6% | Consolidated | 2026-03-31 |
| The Miyazaki Bank | 8393 | — | — | — | 2026-03-31 |
| Miyazaki Golf | — | ¥0.8 billion | 7.0% | Parent only | 2025-12-31 |
| The Miyazaki Taiyo Bank | 8560 | — | — | — | 2026-03-31 |
| MIYAJI ENGINEERING GROUP | 3431 | ¥56.7 billion | 8.0% | Consolidated | 2026-03-31 |
| 三好ゴルフ倶楽部 | — | ¥0.3 billion | 29.2% | Parent only | 2025-10-31 |
| MiyoshiOil&FatCo | 4404 | ¥59.5 billion | 3.3% | Consolidated | 2025-12-31 |
| Miraial | 4238 | ¥12.6 billion | 4.1% | Consolidated | 2026-01-31 |
| MIRAI INDUSTRY | 7931 | ¥45.7 billion | 14.7% | Consolidated | 2026-03-20 |
| Mirai Securities | — | — | — | — | 2026-03-31 |
| MIRAIT ONE | 1417 | ¥602.4 billion | 5.7% | Consolidated | 2026-03-31 |
| ミライロ | 335A | ¥0.8 billion | 17.1% | Parent only | 2025-09-30 |
| Mirai Works | 6563 | ¥11.1 billion | 2.5% | Consolidated | 2025-09-30 |
| miratap | 3187 | ¥16.7 billion | -1.7% | Consolidated | 2025-09-30 |
| Mirrativ | 472A | ¥7.2 billion | 4.9% | Consolidated | 2025-12-31 |
| MIRARTH | 8897 | ¥214.4 billion | 8.2% | Consolidated | 2026-03-31 |
| Milbon | 4919 | ¥52.9 billion | 10.7% | Consolidated | 2025-12-31 |
| Miroku | 7983 | ¥12.5 billion | -0.2% | Consolidated | 2025-10-31 |
| MIROKU JYOHO SERVICE | 9928 | ¥48.9 billion | 13.6% | Consolidated | 2026-03-31 |
| ミーク | 332A | ¥7.2 billion | 18.1% | Consolidated | 2026-03-31 |
| MUGEN ESTATE | 3299 | ¥68.3 billion | 16.2% | Consolidated | 2025-12-31 |
| MUSASHI | 7521 | ¥40.6 billion | 11.5% | Consolidated | 2026-03-31 |
| Musashi Country Club | — | ¥1.5 billion | -10.1% | Parent only | 2025-12-31 |
| Musashi Securities | — | — | — | — | 2026-03-31 |
| MUSASHI SEIMITSU INDUSTRY | 7220 | ¥347.2 billion | 5.9% | Consolidated | 2026-03-31 |
| The Musashino Bank | 8336 | — | — | — | 2026-03-31 |
| 武蔵野興業 | 9635 | ¥1.3 billion | 5.1% | Consolidated | 2026-03-31 |
| MUTO SEIKO | 7927 | ¥29.7 billion | 7.8% | Consolidated | 2026-03-31 |
| MUTOH | 7999 | ¥18.1 billion | 7.3% | Consolidated | 2025-03-31 |
| MURAKAMI | 7292 | ¥115.7 billion | 7.9% | Consolidated | 2026-03-31 |
| MURAKI | 7477 | ¥7.8 billion | 1.8% | Consolidated | 2026-03-31 |
| 村田製作所 | 6981 | ¥1,830.9 billion | 15.4% | Consolidated | 2026-03-31 |
| MURO | 7264 | ¥23.1 billion | 5.4% | Consolidated | 2026-03-31 |
| MUROMACHI CHEMICALS | 4885 | ¥7.8 billion | 9.5% | Parent only | 2026-05-31 |
| MOONBAT | 8115 | ¥11.9 billion | 5.1% | Consolidated | 2026-03-31 |
| MEIJI SHIPPING GROUP | 9115 | ¥61.3 billion | 6.1% | Consolidated | 2026-03-31 |
| MEIKO TRANS | 9357 | ¥82.9 billion | 7.4% | Consolidated | 2026-03-31 |
| MEIKO CONSTRUCTION | 1869 | ¥97.0 billion | 7.8% | Consolidated | 2026-03-31 |
| MEIKO NETWORK JAPAN | 4668 | ¥24.8 billion | 6.8% | Consolidated | 2025-08-31 |
| Meiko Electronics | 6787 | ¥240.6 billion | 10.2% | Consolidated | 2026-03-31 |
| Meiji Machine | 6334 | ¥5.5 billion | -2.9% | Consolidated | 2026-03-31 |
| 明治座 | — | ¥11.6 billion | 7.2% | Consolidated | 2025-08-31 |
| MEIJI ELECTRIC INDUSTRIES | 3388 | ¥76.4 billion | 4.8% | Consolidated | 2026-03-31 |
| Meiji | 2269 | ¥1,173.7 billion | 7.9% | Consolidated | 2026-03-31 |
| MEISEI INDUSTRIAL | 1976 | ¥60.3 billion | 12.7% | Consolidated | 2026-03-31 |
| MEITEC Group | 9744 | ¥137.7 billion | 14.5% | Consolidated | 2026-03-31 |
| MEIDENSHA | 6508 | ¥326.2 billion | 8.3% | Consolidated | 2026-03-31 |
| MEITO | 2207 | ¥29.1 billion | 4.2% | Consolidated | 2026-03-31 |
| meinan M&A | 7076 | ¥1.5 billion | -1.5% | Consolidated | 2025-09-30 |
| MAPLE POINT GOLF CLUB | — | ¥0.9 billion | 1.0% | Parent only | 2026-03-31 |
| MEIHO ENTERPRISE | 8927 | ¥29.8 billion | 11.3% | Consolidated | 2025-07-31 |
| Meiho Facility Works | 1717 | ¥6.1 billion | 20.8% | Parent only | 2026-03-31 |
| Meiho | 7369 | ¥13.6 billion | 3.7% | Consolidated | 2026-06-30 |
| MEIWA Industry | 7284 | ¥23.1 billion | 1.6% | Consolidated | 2026-03-31 |
| Meiwa | 8103 | ¥164.9 billion | 2.5% | Consolidated | 2026-03-31 |
| Meiwa Estate | 8869 | ¥90.1 billion | 8.6% | Consolidated | 2026-03-31 |
| MegaChips | 6875 | ¥36.2 billion | -0.5% | Consolidated | 2026-03-31 |
| METAWATER | 9551 | ¥209.8 billion | 6.1% | Consolidated | 2026-03-31 |
| Metaplanet | 3350 | ¥8.9 billion | 70.6% | Consolidated | 2025-12-31 |
| MetaReal | 6182 | ¥4.5 billion | 4.8% | Consolidated | 2026-02-28 |
| METALART | 5644 | ¥45.3 billion | 8.6% | Consolidated | 2026-03-31 |
| MEC | 4971 | ¥20.9 billion | 27.4% | Consolidated | 2025-12-31 |
| Media Kobo | 3815 | ¥1.9 billion | -17.3% | Consolidated | 2025-08-31 |
| MEDIUS | 3154 | ¥302.3 billion | 0.6% | Consolidated | 2026-06-30 |
| メディア総研 | 9242 | ¥1.5 billion | 19.1% | Consolidated | 2025-07-31 |
| MEDIA DO | 3678 | ¥108.5 billion | 2.3% | Consolidated | 2026-02-28 |
| Media Five | 3824 | ¥1.8 billion | 3.6% | Parent only | 2026-05-31 |
| MEDIA LINKS | 6659 | ¥2.3 billion | -37.5% | Consolidated | 2026-03-31 |
| Medical Ikkou Group | 3353 | ¥55.0 billion | 3.3% | Consolidated | 2026-02-28 |
| MEDICAL SYSTEM NETWORK | 4350 | ¥132.2 billion | 2.5% | Consolidated | 2026-03-31 |
| メディカル・データ・ビジョン | 3902 | ¥6.5 billion | 5.3% | Consolidated | 2025-12-31 |
| Medical Net | 3645 | ¥6.7 billion | 2.8% | Consolidated | 2026-05-31 |
| MEDIKIT | 7749 | ¥23.8 billion | 18.0% | Consolidated | 2026-03-31 |
| Medix | 331A | ¥4.3 billion | 15.5% | Consolidated | 2026-03-31 |
| MEDINET | 2370 | ¥0.8 billion | -178.4% | Parent only | 2025-09-30 |
| MEDIPAL | 7459 | ¥3,817.4 billion | 1.4% | Consolidated | 2026-03-31 |
| メドレックス | 4586 | ¥0.1 billion | -735.5% | Consolidated | 2025-12-31 |
| MEDLEY | 4480 | ¥36.8 billion | 5.8% | Consolidated | 2025-12-31 |
| めぶきフィナンシャルグループ | 7167 | — | 95.8% | Parent only | 2026-03-31 |
| Immuno-Biological Laboratories | 4570 | ¥1.0 billion | 28.0% | Consolidated | 2026-03-31 |
| メンタルヘルステクノロジーズ | 9218 | ¥6.4 billion | 9.3% | Consolidated | 2025-12-31 |
| Members | 2130 | ¥24.4 billion | 6.6% | Consolidated | 2026-03-31 |
| Moi | 5031 | ¥6.7 billion | 5.1% | Parent only | 2026-01-31 |
| modulat | — | ¥0.6 billion | 3.4% | Parent only | 2026-05-31 |
| MOS FOOD SERVICES | 8153 | ¥102.8 billion | 6.4% | Consolidated | 2026-03-31 |
| Modalis Therapeutics | 4883 | — | — | — | 2025-12-31 |
| Mochida Pharmaceutical | 4534 | ¥117.0 billion | 8.7% | Consolidated | 2026-03-31 |
| monoAItechnology | 5240 | ¥1.0 billion | -39.8% | Consolidated | 2025-12-31 |
| The Monogatari | 3097 | ¥151.7 billion | 8.0% | Consolidated | 2026-06-30 |
| MonotaRO | 3064 | ¥333.9 billion | 13.8% | Consolidated | 2025-12-31 |
| Mobile Factory | 3912 | ¥3.4 billion | 32.7% | Consolidated | 2025-12-31 |
| モビルス | 4370 | ¥1.9 billion | 4.9% | Consolidated | 2025-08-31 |
| 森尾電機 | 6647 | ¥8.6 billion | 9.9% | Consolidated | 2026-03-31 |
| Mori-Gumi | 1853 | ¥28.0 billion | 4.8% | Parent only | 2026-03-31 |
| MORY INDUSTRIES | 5464 | ¥43.3 billion | 10.1% | Consolidated | 2026-03-31 |
| MORISHITA JINTAN | 4524 | ¥12.7 billion | 5.5% | Consolidated | 2026-03-31 |
| MORITA | 6455 | ¥116.6 billion | 13.3% | Consolidated | 2026-03-31 |
| MOLITEC STEEL | 5986 | ¥48.2 billion | 0.9% | Consolidated | 2026-03-31 |
| MORITO | 9837 | ¥56.9 billion | 5.9% | Consolidated | 2025-11-30 |
| Morinaga&Co | 2201 | ¥236.7 billion | 9.5% | Consolidated | 2026-03-31 |
| MORINAGA MILK INDUSTRY | 2264 | ¥571.5 billion | 6.0% | Consolidated | 2026-03-31 |
| MORI BUILDING | — | ¥411.1 billion | 23.8% | Consolidated | 2026-03-31 |
| Mori building Golf Resort | — | ¥2.5 billion | 0.3% | Parent only | 2025-12-31 |
| MORIYA | 1798 | ¥50.9 billion | 7.6% | Consolidated | 2026-03-31 |
| Moriya Transportation Engineering and Manufacturing | 6226 | ¥23.6 billion | 25.7% | Parent only | 2026-03-31 |
| MORIROKU | 4249 | ¥133.9 billion | 3.5% | Consolidated | 2026-03-31 |
| モルフォ | 3653 | ¥3.4 billion | 1.4% | Consolidated | 2025-10-31 |
| MORESCO | 5018 | ¥34.9 billion | 6.8% | Consolidated | 2026-02-28 |
| Morozoff | 2217 | ¥36.3 billion | 3.5% | Consolidated | 2026-01-31 |
| Monstarlab | 5255 | ¥7.8 billion | -2.4% | Consolidated | 2025-12-31 |