{"entity":{"id":963,"slug":"the-master-trust-bank-of-japan","name":"The Master Trust Bank of Japan","type":"institution","role":"Institutional shareholder in SoftBank Group Corp holding 17.15%","description":null,"imageUrl":null,"createdAt":"2026-04-09T14:30:55.301Z","updatedAt":"2026-05-19T09:21:23.373Z"},"electedOffice":null,"significance":{"score":10.4,"components":{"totalFindings":0,"connectionDegree":6.4,"recentFindings90d":0,"activeResearchJobs":0,"goblinAttributions":4,"recentSyntheses90d":0,"moneyFlowChainsTotal":0,"closedLoopMemberships":0,"moneyFlowHopsRecent90d":0},"computedAt":"2026-10-17T01:36:44.127Z"},"facts":[{"id":12078,"text":"The Master Trust Bank of Japan holds 17.15% of SoftBank Group Corp","confidence":"primary","dateOccurred":"2025-03-31","source":{"title":"SoftBank Group Corp institutional ownership data","url":"https://tracxn.com/d/venture-capital/softbankvisionfund/__iBoxR9kOl7lv87Qodi9FvPadNCcZMQdUQzjUzbvLg7M","publication":"Directed Inquiry — Web Search"}}],"connections":[{"id":14577,"relationshipType":"affiliation","description":"Mubadala is a major investor in the SoftBank Vision Fund; The Master Trust Bank of Japan holds 17.15% of SoftBank Group Corp.","confidence":"inferential","firstDocumented":"2026","lastDocumented":null,"other":{"id":962,"name":"Mubadala Investment Company","slug":"mubadala-investment-company","type":"company"}},{"id":14576,"relationshipType":"affiliation","description":"Kalika Jayasekera is a SoftBank executive; The Master Trust Bank of Japan is a major SoftBank shareholder.","confidence":"inferential","firstDocumented":"2026","lastDocumented":null,"other":{"id":961,"name":"Kalika A. Jayasekera","slug":"kalika-a-jayasekera","type":"person"}},{"id":14575,"relationshipType":"affiliation","description":"Michelle Aylott is a SoftBank executive; The Master Trust Bank of Japan holds major SoftBank shares.","confidence":"inferential","firstDocumented":"2026","lastDocumented":null,"other":{"id":959,"name":"Michelle L. Aylott","slug":"michelle-l-aylott","type":"person"}},{"id":14574,"relationshipType":"affiliation","description":"Alex Clavel is a SoftBank executive; The Master Trust Bank of Japan is a major SoftBank Group Corp shareholder.","confidence":"inferential","firstDocumented":"2026","lastDocumented":null,"other":{"id":958,"name":"Alex Clavel","slug":"alex-clavel","type":"person"}},{"id":14571,"relationshipType":"affiliation","description":"Rajeev Misra is a former SoftBank executive; The Master Trust Bank of Japan is a major SoftBank shareholder.","confidence":"inferential","firstDocumented":"2026","lastDocumented":null,"other":{"id":969,"name":"Rajeev Misra","slug":"rajeev-misra","type":"person"}},{"id":14570,"relationshipType":"affiliation","description":"Both are SoftBank-connected entities; The Master Trust Bank of Japan holds major SoftBank Group Corp shares.","confidence":"inferential","firstDocumented":"2026","lastDocumented":null,"other":{"id":968,"name":"SB Delta Fund (Jersey) L.P.","slug":"sb-delta-fund-jersey-l-p","type":"company"}},{"id":14569,"relationshipType":"affiliation","description":"Both appear in SoftBank-related entity lists; The Master Trust Bank of Japan is a significant SoftBank shareholder.","confidence":"inferential","firstDocumented":"2026","lastDocumented":null,"other":{"id":967,"name":"SB Delta Fund GP (Jersey) Ltd","slug":"sb-delta-fund-gp-jersey-ltd","type":"company"}},{"id":14568,"relationshipType":"affiliation","description":"Both are part of the SoftBank corporate structure; The Master Trust Bank of Japan holds major SoftBank shares.","confidence":"inferential","firstDocumented":"2026","lastDocumented":null,"other":{"id":966,"name":"SB Investment Advisers (US) Inc.","slug":"sb-investment-advisers-us-inc","type":"company"}},{"id":14567,"relationshipType":"affiliation","description":"The Master Trust Bank of Japan is a major shareholder of SoftBank Group Corp, which operates the SoftBank Vision Fund.","confidence":"inferential","firstDocumented":"2026","lastDocumented":null,"other":{"id":121,"name":"SoftBank Vision Fund","slug":"softbank-vision-fund","type":"company"}},{"id":14566,"relationshipType":"affiliation","description":"The Master Trust Bank of Japan is a major SoftBank shareholder while SoftBank Investment Advisers manages SoftBank investments.","confidence":"inferential","firstDocumented":"2026","lastDocumented":null,"other":{"id":956,"name":"SoftBank Investment Advisers","slug":"softbank-investment-advisers","type":"company"}},{"id":14565,"relationshipType":"affiliation","description":"Both are SoftBank Vision Fund-related entities; The Master Trust Bank of Japan holds 17.15% of SoftBank Group Corp.","confidence":"inferential","firstDocumented":"2026","lastDocumented":null,"other":{"id":954,"name":"SVF GP (Jersey) Limited","slug":"svf-gp-jersey-limited","type":"company"}},{"id":14564,"relationshipType":"affiliation","description":"Both appear in SoftBank-related entity lists; The Master Trust Bank of Japan holds significant SoftBank shares.","confidence":"inferential","firstDocumented":"2026","lastDocumented":null,"other":{"id":953,"name":"SB Global Advisers Limited","slug":"sb-global-advisers-limited","type":"company"}},{"id":14563,"relationshipType":"affiliation","description":"Both are listed as entities in the SoftBank ecosystem; The Master Trust Bank of Japan is a major SoftBank shareholder and SB Investment Advisers is a SoftBank investment advisor.","confidence":"inferential","firstDocumented":"2026","lastDocumented":null,"other":{"id":952,"name":"SB Investment Advisers (UK) Limited","slug":"sb-investment-advisers-uk-limited","type":"company"}},{"id":14420,"relationshipType":"investor","description":"The Master Trust Bank of Japan acts as a trustee for SoftBank Group Corp, majority-owned by Masayoshi Son","confidence":"inferential","firstDocumented":"2020","lastDocumented":null,"other":{"id":957,"name":"Masayoshi Son","slug":"masayoshi-son","type":"person"}},{"id":14573,"relationshipType":"peer","description":"Both are Japanese financial institutions listed in the same entity database.","confidence":"secondary","firstDocumented":"2026","lastDocumented":null,"other":{"id":965,"name":"Custody Bank of Japan","slug":"custody-bank-of-japan","type":"institution"}},{"id":14572,"relationshipType":"peer","description":"Both are Japanese trust banks listed in the same entity database.","confidence":"secondary","firstDocumented":"2026","lastDocumented":null,"other":{"id":964,"name":"Japan Trustee Services Bank","slug":"japan-trustee-services-bank","type":"institution"}}],"contradictions":[],"permalink":"https://www.goblinhouse.net/entity/the-master-trust-bank-of-japan","timelineUrl":"https://www.goblinhouse.net/entity/the-master-trust-bank-of-japan/timeline"}