Short selling in Japan
Positions open on September 8, 2026, disclosed to JPX. See the official publication.
JPX also publishes the positions of securities firms, far below the threshold other markets use. Its companies compare, its holders do not, so this market is kept out of the ranking of the busiest short sellers.
| Issuer | % of capital | Funds | Last disclosure |
|---|---|---|---|
| ReYuu Japan Inc. | 18.16% | 4 | September 8, 2026 |
| KLab Inc. | 13.87% | 4 | September 8, 2026 |
| Jibannet Holdings Co.,Ltd. | 11.57% | 4 | September 8, 2026 |
| Towa Corporation | 10.88% | 4 | September 7, 2026 |
| Metaplanet Inc. | 10.75% | 4 | September 8, 2026 |
| QD Laser,Inc. JP3244720003 | 9.78% | 3 | September 8, 2026 |
| W-SCOPE Corporation | 9.44% | 4 | September 8, 2026 |
| Sanrio Company,Ltd. | 8.36% | 4 | September 8, 2026 |
| AKIBA Holdings Co.,Ltd. | 8.14% | 4 | September 7, 2026 |
| ZenmuTech,Inc. | 7.97% | 5 | September 8, 2026 |
| Pacific Metals Co.,ltd. | 7.26% | 5 | September 8, 2026 |
| DeNA Co.,Ltd. | 7.22% | 3 | September 8, 2026 |
| 3-D Matrix,Ltd. | 7.03% | 2 | September 7, 2026 |
| Kitagawa Seiki Co.,ltd. | 6.84% | 3 | September 8, 2026 |
| Seven & i Holdings Co.,Ltd. | 6.84% | 1 | September 7, 2026 |
| Nissan Motor Co.,ltd. | 6.81% | 4 | September 8, 2026 |
| WITZ Corporation | 6.51% | 4 | September 8, 2026 |
| Infomart Corporation | 6.50% | 4 | September 8, 2026 |
| AIMECHATEC,Ltd. | 6.47% | 4 | September 8, 2026 |
| eole Inc. | 6.38% | 3 | September 8, 2026 |
| Terra Drone Corporation JP3546450002 | 6.16% | 4 | September 8, 2026 |
| Toyo Engineering Corporation | 6.05% | 4 | September 7, 2026 |
| Financial Partners Group Co.,Ltd. | 5.77% | 5 | September 8, 2026 |
| Howa Machinery,Ltd. | 5.67% | 3 | September 8, 2026 |
| SHIFT Inc. | 5.62% | 4 | September 8, 2026 |
| Digital Media Professionals Inc. | 5.51% | 3 | September 8, 2026 |
| Kura Sushi,Inc. | 5.37% | 3 | September 8, 2026 |
| Oncolys BioPharma Inc. | 5.32% | 2 | September 8, 2026 |
| INTERTRADE Co.,Ltd. | 5.29% | 3 | September 8, 2026 |
| Def consulting,inc. | 4.99% | 2 | September 8, 2026 |
| FFRI Security,Inc. | 4.99% | 3 | September 8, 2026 |
| Morpho,Inc. | 4.97% | 4 | September 8, 2026 |
| Asahi Diamond Industrial Co.,Ltd. | 4.92% | 3 | September 7, 2026 |
| Toyo Tanso Co.,ltd. | 4.88% | 3 | September 7, 2026 |
| Japan Engine Corporation | 4.86% | 3 | September 7, 2026 |
| V Technology Co.,Ltd. | 4.85% | 3 | September 8, 2026 |
| Tokyo Koki Co.ltd. | 4.81% | 2 | September 7, 2026 |
| Money Forward,Inc. | 4.79% | 2 | September 8, 2026 |
| SEIKOH GIKEN Co.,Ltd. | 4.76% | 3 | September 8, 2026 |
| Nippon Chemi-Con Corporation | 4.67% | 3 | September 8, 2026 |
| Media Links Co.,ltd. | 4.66% | 2 | September 7, 2026 |
| OSAKA Titanium technologies Co.,Ltd. | 4.63% | 2 | September 7, 2026 |
| Bitcoin Japan Corporation | 4.61% | 1 | September 8, 2026 |
| Kudan Inc. | 4.58% | 4 | September 8, 2026 |
| Hokkaido Electric Power Company,Incorporated | 4.53% | 2 | September 7, 2026 |
| Taiyo Bussan Kaisha,ltd. | 4.52% | 3 | September 7, 2026 |
| Healios K.K. | 4.46% | 3 | September 8, 2026 |
| Colowide Co.,ltd. | 4.42% | 2 | September 8, 2026 |
| Chiome Bioscience Inc. | 4.38% | 3 | September 8, 2026 |
| Dynamic Map Platform Co.,Ltd. JP3491920009 | 4.33% | 4 | September 8, 2026 |
| JADE GROUP,Inc. | 4.33% | 3 | September 8, 2026 |
| Datasection Inc. | 4.27% | 1 | September 7, 2026 |
| Nippon Chemical Industrial Co.,Ltd. | 4.27% | 3 | September 8, 2026 |
| TESS Holdings Co.,Ltd. | 4.26% | 2 | September 7, 2026 |
| SK-Electronics CO.,LTD. | 4.20% | 4 | September 8, 2026 |
| ACSL Ltd. | 4.19% | 5 | September 8, 2026 |
| Medley,inc. | 4.19% | 2 | September 7, 2026 |
| JINS HOLDINGS Inc. | 4.15% | 3 | September 7, 2026 |
| inspec Inc. | 4.13% | 3 | September 7, 2026 |
| JEOL Ltd. | 4.10% | 3 | September 7, 2026 |
| Marumae Co.,Ltd. | 4.09% | 2 | September 7, 2026 |
| Tamagawa Holdings Co.,ltd. | 4.09% | 3 | September 8, 2026 |
| Kawasaki Kisen Kaisha,Ltd. | 4.06% | 4 | September 8, 2026 |
| Axelspace Holdings Corporation | 3.82% | 2 | September 8, 2026 |
| Toho Zinc Co.,Ltd. | 3.75% | 2 | September 8, 2026 |
| Delta-Fly Pharma,Inc. | 3.70% | 3 | September 8, 2026 |
| Ezaki Glico Co.,Ltd. | 3.69% | 2 | September 7, 2026 |
| Mazda Motor Corporation | 3.66% | 4 | September 7, 2026 |
| TIER IV,Inc. | 3.62% | 3 | September 8, 2026 |
| unbanked inc. | 3.61% | 3 | September 7, 2026 |
| Japan Communications Inc. | 3.56% | 3 | September 7, 2026 |
| Informetis Co.,Ltd. | 3.55% | 2 | September 8, 2026 |
| Socionext Inc. | 3.51% | 2 | September 8, 2026 |
| Birdman Inc. | 3.49% | 1 | September 7, 2026 |
| Nitto Boseki Co.,ltd. | 3.49% | 3 | September 8, 2026 |
| TriIs Incorporated | 3.43% | 3 | September 8, 2026 |
| Nissha Co.,Ltd. | 3.42% | 1 | September 7, 2026 |
| ANYCOLOR Inc. | 3.35% | 3 | September 7, 2026 |
| Fundinno,inc. | 3.31% | 3 | September 7, 2026 |
| INTER ACTION Corporation | 3.30% | 2 | September 8, 2026 |
| JSH Co.,Ltd. | 3.30% | 2 | September 7, 2026 |
| Kasumigaseki Capital Co.,Ltd. JP3211050004 | 3.30% | 3 | September 7, 2026 |
| Liberta Co.,ltd. | 3.25% | 2 | September 7, 2026 |
| Musashi Seimitsu Industry Co.,ltd. | 3.25% | 3 | September 8, 2026 |
| Dentsu Group INC. | 3.12% | 3 | September 8, 2026 |
| Globalway,Inc. | 3.12% | 2 | September 7, 2026 |
| Kyoritsu Maintenance Co.,ltd. | 3.12% | 2 | September 7, 2026 |
| Kimura Chemical Plants Co.,ltd. | 3.04% | 3 | September 7, 2026 |
| Rock Field Co.,ltd. | 2.98% | 1 | September 7, 2026 |
| Heartseed Inc. | 2.97% | 3 | September 8, 2026 |
| Kodama Chemical Industry Co.,ltd. JP3299000004 | 2.97% | 4 | September 8, 2026 |
| Nippon Coke & Engineering Company,limited | 2.94% | 1 | September 8, 2026 |
| TORICO Co.,Ltd. | 2.93% | 2 | September 8, 2026 |
| Y.a.c.holdings Co.,ltd. | 2.89% | 3 | September 7, 2026 |
| PKSHA Technology Inc. | 2.88% | 3 | September 8, 2026 |
| Sourcenext Corporation | 2.88% | 2 | September 7, 2026 |
| Toda Kogyo Corp. | 2.87% | 3 | September 8, 2026 |
| Okano Valve Mfg.co.ltd. | 2.83% | 3 | September 7, 2026 |
| Gunosy Inc. | 2.82% | 2 | September 8, 2026 |
| Harmonic Drive Systems Inc. | 2.82% | 2 | September 7, 2026 |
| Fuji Kyuko Co.,ltd. | 2.80% | 3 | September 8, 2026 |
| Kaizen Platform,Inc. | 2.79% | 2 | September 8, 2026 |
| Alps Alpine Co.,ltd. | 2.78% | 3 | September 8, 2026 |
| Kanto Denka Kogyo Co.,ltd. | 2.78% | 2 | September 7, 2026 |
| Mitsui O.S.K.Lines,Ltd. | 2.78% | 1 | September 7, 2026 |
| CanBas Co.,Ltd. | 2.72% | 2 | September 8, 2026 |
| Nippon Yusen Kabushiki Kaisha | 2.71% | 1 | September 7, 2026 |
| Namura Shipbuilding Co.,Ltd. | 2.67% | 4 | September 7, 2026 |
| Tri Chemical Laboratories Inc. | 2.66% | 3 | September 7, 2026 |
| CyberStep Holdings,Inc. | 2.64% | 1 | September 7, 2026 |
| ValueCommerce Co.,Ltd. | 2.64% | 2 | September 8, 2026 |
| Nomura Micro Science Co.,Ltd. JP3762950008 | 2.63% | 3 | September 8, 2026 |
| monoAI technology Co.,Ltd. | 2.62% | 2 | September 8, 2026 |
| Wilson Learning Worldwide INC. | 2.61% | 1 | September 7, 2026 |
| Tokuyama Corporation | 2.59% | 2 | September 7, 2026 |
| Innotech Corporation | 2.57% | 3 | September 7, 2026 |
| RIBOMIC Inc. | 2.56% | 2 | September 7, 2026 |
| Sanoh Industrial Co.,Ltd. | 2.51% | 3 | September 8, 2026 |
| Minato Holdings INC. | 2.49% | 2 | September 8, 2026 |
| Taiyo Yuden Co.,ltd. | 2.48% | 3 | September 8, 2026 |
| Techno Horizon Co.,ltd. JP3545220000 | 2.48% | 2 | September 7, 2026 |
| Foster Electric Company,Limited | 2.46% | 3 | September 7, 2026 |
| SystemSoft Corporation | 2.45% | 2 | September 8, 2026 |
| Japan Electronic Materials Corporation | 2.44% | 3 | September 8, 2026 |
| Rigaku Holdings Corporation JP3969750003 | 2.43% | 3 | September 7, 2026 |
| FIXER Inc. | 2.42% | 1 | September 8, 2026 |
| Cuorips Inc. | 2.39% | 1 | September 7, 2026 |
| abc Co.,Ltd. | 2.39% | 2 | September 7, 2026 |
| Bank of Innovation,Inc. | 2.36% | 3 | September 8, 2026 |
| Kubota Pharmaceutical Holdings Co.,Ltd. | 2.36% | 2 | September 7, 2026 |
| SUSMED,Inc. | 2.36% | 2 | September 7, 2026 |
| Tomy Company,ltd. | 2.36% | 1 | September 7, 2026 |
| HPC SYSTEMS Inc. | 2.34% | 3 | September 8, 2026 |
| Nakamura Choukou Co.,ltd. | 2.33% | 1 | September 7, 2026 |
| Next Generation Technology Group Inc. JP3264350004 | 2.30% | 2 | September 7, 2026 |
| Solasia Pharma K.K. | 2.30% | 1 | September 7, 2026 |
| DIAMOND ELECTRIC HOLDINGS Co.,Ltd. | 2.29% | 2 | September 8, 2026 |
| UBE Corporation | 2.28% | 2 | September 8, 2026 |
| SHO-BOND Holdings Co.,Ltd. | 2.26% | 2 | September 7, 2026 |
| ChatPlus Co.,Ltd. | 2.23% | 1 | September 8, 2026 |
| ImageONE Co.,Ltd. | 2.23% | 1 | September 8, 2026 |
| TMH Inc. | 2.22% | 1 | September 7, 2026 |
| ReproCELL Incorporated | 2.20% | 2 | September 7, 2026 |
| TSUDAKOMA Corp. | 2.18% | 1 | September 7, 2026 |
| Nichicon Corporation | 2.17% | 2 | September 8, 2026 |
| RENOVA,Inc. | 2.17% | 1 | September 7, 2026 |
| Lifedrink Company,inc. | 2.16% | 3 | September 7, 2026 |
| Vector HOLDINGS Inc. | 2.14% | 1 | September 8, 2026 |
| Mercari,Inc. | 2.10% | 2 | September 7, 2026 |
| FRONTEO,Inc. | 2.09% | 2 | September 7, 2026 |
| Asgent,Inc. | 2.07% | 1 | September 8, 2026 |
| MITSUI E&S Co.,Ltd. | 2.07% | 2 | September 7, 2026 |
| The Japan Steel Works,Ltd. | 2.07% | 2 | September 7, 2026 |
| Tokyo Keiki INC. | 2.07% | 1 | September 7, 2026 |
| Akebono Brake Industry Co.,ltd. | 2.04% | 3 | September 8, 2026 |
| Euglena Co.,Ltd. | 2.03% | 2 | September 7, 2026 |
| Micronics Japan Co.,ltd. | 2.03% | 2 | September 7, 2026 |
| Sumida Corporation | 2.03% | 2 | September 7, 2026 |
| Tokyo Steel Manufacturing Co.,ltd. | 2.03% | 2 | September 7, 2026 |
| GAtechnologies Co.,Ltd. | 2.00% | 1 | September 7, 2026 |
| Yonex Co.,ltd. | 2.00% | 1 | September 7, 2026 |
| Finatext Holdings Ltd. | 1.99% | 2 | September 8, 2026 |
| Sumiseki Holdings,Inc. | 1.99% | 1 | September 7, 2026 |
| Systems Engineering Consultants Co.,LTD. | 1.99% | 3 | September 8, 2026 |
| Immuno-Biological Laboratories Co.,Ltd. | 1.98% | 2 | September 8, 2026 |
| RAKUS Co.,Ltd. | 1.98% | 2 | September 7, 2026 |
| Intermestic INC. | 1.97% | 2 | September 7, 2026 |
| Quants Research Institute Holdings,Inc. | 1.95% | 1 | September 7, 2026 |
| f-code Inc. | 1.95% | 2 | September 7, 2026 |
| Dear Life Co.,ltd. | 1.94% | 2 | September 8, 2026 |
| Sumitomo Pharma Co.,Ltd. | 1.93% | 2 | September 8, 2026 |
| Shibaura Mechatronics Corporation | 1.91% | 2 | September 8, 2026 |
| Neural Group Inc. | 1.89% | 2 | September 8, 2026 |
| Sukegawa Electric Co.,ltd. | 1.89% | 1 | September 8, 2026 |
| COVER Corporation | 1.86% | 1 | September 7, 2026 |
| Nittetsu Mining Co.,Ltd. | 1.85% | 2 | September 8, 2026 |
| JMDC Inc. | 1.84% | 2 | September 7, 2026 |
| en Inc. | 1.84% | 1 | September 7, 2026 |
| Furukawa Electric Co.,Ltd. | 1.83% | 2 | September 7, 2026 |
| HODL1,inc. | 1.82% | 1 | September 7, 2026 |
| DyDo GROUP HOLDINGS,INC. | 1.80% | 2 | September 8, 2026 |
| Kohsoku Corporation | 1.80% | 2 | September 8, 2026 |
| Syuppin Co.,Ltd. | 1.79% | 1 | September 7, 2026 |
| Zensho Holdings Co.,ltd. | 1.79% | 1 | September 7, 2026 |
| ENECHANGE Ltd. | 1.78% | 2 | September 8, 2026 |
| FLIGHT SOLUTIONS Inc. | 1.78% | 1 | September 7, 2026 |
| Marimo Regional Revitalization REIT,Inc. | 1.78% | 2 | September 8, 2026 |
| ROUND ONE Corporation | 1.76% | 2 | September 7, 2026 |
| Tsubaki Nakashima Co.,ltd. | 1.76% | 1 | September 7, 2026 |
| eGuarantee,Inc. | 1.73% | 2 | September 8, 2026 |
| Hankyu Hanshin REIT,Inc. | 1.72% | 1 | September 7, 2026 |
| unerry,Inc. | 1.71% | 2 | September 7, 2026 |
| KEIWA Incorporated | 1.69% | 1 | September 8, 2026 |
| Okamoto Glass Co.,ltd. | 1.69% | 1 | September 8, 2026 |
| Shiseido Company,Limited | 1.68% | 1 | September 8, 2026 |
| Monex Group,Inc. | 1.67% | 2 | September 7, 2026 |
| TOKYO BASE Co.,Ltd. | 1.67% | 2 | September 8, 2026 |
| Remixpoint,inc. | 1.66% | 2 | September 8, 2026 |
| SRE Holdings Corporation | 1.66% | 2 | September 7, 2026 |
| TORIDOLL Holdings Corporation | 1.66% | 1 | September 7, 2026 |
| KOSE Holdings Corporation | 1.64% | 1 | September 7, 2026 |
| Mitsuba Corporation JP3895200008 | 1.64% | 2 | September 7, 2026 |
| Mitsui High-tec,Inc. | 1.63% | 1 | September 8, 2026 |
| Port INC. | 1.63% | 2 | September 8, 2026 |
| Nihon Dempa Kogyo Co.,ltd. | 1.62% | 2 | September 7, 2026 |
| Scala,Inc. | 1.61% | 1 | September 7, 2026 |
| Square Enix Holdings Co.,ltd. | 1.61% | 2 | September 7, 2026 |
| MITSUI-SOKO HOLDINGS Co.,Ltd. | 1.59% | 1 | September 8, 2026 |
| Shinwa Wise Holdings Co.,ltd. | 1.59% | 1 | September 7, 2026 |
| Tsumura & CO. | 1.59% | 2 | September 8, 2026 |
| Suncall Corporation | 1.58% | 2 | September 8, 2026 |
| Zeon Corporation | 1.58% | 2 | September 7, 2026 |
| LIXIL Corporation | 1.57% | 2 | September 8, 2026 |
| NFK HOLDINGS CO.,Ltd | 1.57% | 2 | September 8, 2026 |
| Orion Breweries,ltd. | 1.57% | 1 | September 8, 2026 |
| ONO SOKKI Co.,Ltd. | 1.56% | 2 | September 8, 2026 |
| Nippon Seiro Co.,ltd. | 1.55% | 1 | September 7, 2026 |
| Speee,Inc. | 1.55% | 2 | September 8, 2026 |
| Sansha Electric Manufacturing Co.,Ltd. | 1.54% | 1 | September 7, 2026 |
| Ishii Hyoki Co.,ltd. JP3134450000 | 1.52% | 2 | September 8, 2026 |
| Godo Steel,Ltd. | 1.51% | 2 | September 7, 2026 |
| Jig-Saw INC. | 1.51% | 1 | September 7, 2026 |
| ispace,inc. | 1.51% | 1 | September 7, 2026 |
| Konica Minolta,inc. | 1.50% | 2 | September 7, 2026 |
| Quantum Solutions Co.,Ltd. | 1.50% | 1 | September 8, 2026 |
| eSOL Co.,Ltd. | 1.50% | 2 | September 7, 2026 |
| freee K.K. | 1.50% | 1 | September 7, 2026 |
| AMBITION DX HOLDINGS Co.,Ltd. | 1.49% | 1 | September 7, 2026 |
| TRaaS On Product Inc. | 1.49% | 1 | September 7, 2026 |
| santec Holdings Corporation | 1.49% | 2 | September 7, 2026 |
| Precision System Science Co.,Ltd. | 1.48% | 2 | September 7, 2026 |
| MOS Food Services,inc. | 1.47% | 2 | September 8, 2026 |
| Nippon Concrete Industries Co.,ltd. JP3708400001 | 1.47% | 2 | September 7, 2026 |
| Scroll Corporation | 1.47% | 2 | September 7, 2026 |
| Star seeds Co.,Ltd. | 1.47% | 2 | September 7, 2026 |
| Strike Group Co.,Ltd. | 1.46% | 2 | September 8, 2026 |
| Keikyu Corporation | 1.45% | 1 | September 7, 2026 |
| Bookoff Group Holdings Limited | 1.44% | 1 | September 7, 2026 |
| Takara Holdings INC. | 1.44% | 1 | September 7, 2026 |
| BayCurrent,Inc. | 1.43% | 1 | September 7, 2026 |
| Daikoku Denki Co.,ltd. | 1.43% | 1 | September 8, 2026 |
| SBI ARUHI Corporation | 1.43% | 1 | September 7, 2026 |
| Nitori Holdings Co.,Ltd. | 1.42% | 2 | September 7, 2026 |
| Sagami Holdings Corporation | 1.42% | 1 | September 8, 2026 |
| Sansan,Inc. | 1.42% | 2 | September 7, 2026 |
| Nippon Avionics Co.,Ltd. | 1.41% | 1 | September 7, 2026 |
| Miyaji Engineering Group,inc. | 1.40% | 1 | September 7, 2026 |
| TOYO Corporation | 1.40% | 1 | September 8, 2026 |
| Tokyo Metro Co.,Ltd. | 1.40% | 1 | September 8, 2026 |
| Dexerials Corporation | 1.38% | 2 | September 7, 2026 |
The other markets
- France AMF
- Belgium FSMA
- Netherlands AFM
- Germany Bundesanzeiger
- Austria FMA
- Spain CNMV
- Italy Consob
- Poland KNF
- United Kingdom FCA
- Norway Finanstilsynet
- Ireland Central Bank of Ireland
- Sweden Finansinspektionen
- Denmark Finanstilsynet
- Finland Finanssivalvonta
- Australia ASIC
- United States FINRA
- Greece HCMC
- Luxembourg CSSF
- Czechia CNB
- Hungary MNB
- Iceland Central Bank of Iceland
- Portugal CMVM