mint
Grand Cayman, Midland, Grand Cayman, Midland, Cayman Islands
Overview
Mint operates as an independent venture capital firm specializing in the early stage of startups. It focuses on bridging the boundaries between finance and business, investors and entrepreneurs, creating a foundation for startup growth, and supporting entrepreneurs.
- Total investments
- 30
- Lead investments
- 4
- Investments · 12mo
- 17
- Active investors
- 4
Sector focus
- Business Development
- Finance
- Financial Services
- Venture Capital
Investment portfolio
- Sinumy
Participated · Series A · Aug 2026
Sinumy develops fully hands-free authentication technology that leverages smartphones' Bluetooth to identify people and automatically perform authentication for gates, payments, and access control. The company reports it has improved positioning accuracy from roughly 1.5 meters to about 10 centimeters, aiming to provide fast and spoof-resistant authentication even in crowded environments. In March it conducted a hands-free authentication gate demonstration at Shirokanedai Station in collaboration with Tokyo Metro and Toshiba. Following the recent financing, Sinumy plans productization and mass production preparation for smart gates and smart spots and intends to expand joint development and PoCs in gate, access control, and payment areas. The company also plans to hire development and business development personnel and strengthen its organization, and has appointed Tomoya Yonaga as Director and COO and Shunji Yamanaka as a UI/UX advisor.
- Yellow Blue
Led · Seed · Apr 2026
Founded in 2025 and based in Tokyo, Yellow Blue develops AI-driven translation solutions aimed at professionals such as businesspeople, lawyers, and researchers. Its flagship product, Blue One, uses proprietary context-aware AI to deliver high-accuracy translations while preserving document formatting across multiple file types. The platform integrates terminology consistency, layout correction, and multi-format support, and has seen early adoption across industries with strong performance in specialized domains. Yellow Blue plans to use its Seed financing to enhance the product, expand marketing, and pursue overseas expansion into English-speaking markets. The company raised ¥70 million in its Seed round led by mint Inc.
- grafto
Participated · Seed · Mar 2026
grafto runs mylo magazine, a trend media focused on Korean and broader Asian culture that launched in January 2025. The publication has reported rapid engagement growth, reaching about 30 million monthly pageviews, monthly follower increases exceeding 10,000, and a combined follower base that surpassed 70,000 within a year. mylo's posts average over 7,000 likes and the outlet reports an approximate 30% follower engagement rate. grafto maintains teams in both Japan and Korea to enable on-the-ground coverage and has executed branded tie-ups with major cosmetics and apparel companies. Beyond publishing, the company offers client services including EC site and new-brand launches, SNS marketing, and web/app development. grafto plans to expand mylo from social-first distribution into dedicated web and app media products and to continue investing in editorial and product development.
- EDIAND
Led · Seed · Feb 2026
Founded in 2019, Tokyo-based EDIAND builds an AI platform that tackles structural issues in Japanese medical education by automating high-precision question creation, optimizing study sequences, and quantifying learning outcomes. Its system analyzes learners’ history, answer patterns, and comprehension levels to recommend what to study, in what order, and to what depth, while a dashboard visualizes progress for students and faculty. The technology supports image- and video-based clinical scenarios and taxonomy-based difficulty control, aiming to shift education from rote memorization to clinical thinking. Collected learning data are intended to inform evidence-based curriculum design and, longer term, expand beyond medicine to other education verticals. The company positions itself as a scientific education optimizer that raises overall healthcare quality by shrinking knowledge gaps. Financial metrics such as revenue or user numbers have not been disclosed.
- Penguin Securities
Participated · Series A · Feb 2026
Penguin Securities Holdings Pte. Ltd. operates a regulated investment platform that bridges crypto assets with traditional securities such as equities, bonds, ETFs and funds. After securing a Capital Markets Services (CMS) license, the company has built a unique position in Asia by providing both crypto-centric and conventional financial products to qualified and institutional investors. It initially focused on crypto-asset derivatives but now plans to develop hybrid investment products that combine digital assets with traditional instruments for differentiated returns. Future initiatives include launching a mobile app that automates account opening, KYC, trade instructions and balance checks by integrating in-house and vendor systems to speed up investment decisions. The firm is also enlarging its product lineup, strengthening its platform and organizational structure, and pursuing strategic partnerships as it expands into Japan through a newly established branch. Founded on 1 February 2023 and led by co-founder and CEO Kentaro Kawabe, the company has raised approximately ¥2.8 billion (about US$18 million) to date, fueling product expansion and market growth.