Jiangyun Jin
金姜赟
Jiangyun Jin (金姜赟) is a managing director at 5Y Capital (五源资本), where he has led investments in offline retail and consumer brands. In 2023, he led 5Y's Series A++ investment in Mingming Busy (鸣鸣很忙), the snack retail chain that listed on the Hong Kong Stock Exchange in January 2026 . Jin has also been involved with 5Y's investment in HotMaxx (好特卖), the discount retail chain . Beyond deal work, he contributes to 5Y's internal content—recommending books such as Barbara Tuchman's works in the firm's 2025 year-end reading list . His investment thesis, as reflected in 5Y's investor notes, centers on identifying "re-adaptation" opportunities in offline retail as e-commerce penetration approaches saturation, rather than treating physical retail as merely defensive .
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Coverage
5Y Capital Investor Notes: Why Mingming Busy? The Truth Behind What's Misread as "Consumption Downgrade" | 5Y View
How does 5Y Capital identify "readaptation" signals in offline retail amid a challenging market environment?
五源资本·5Y News｜Congratulations to Mingming Busy on its successful listing on the Hong Kong Stock Exchange!
Serving hundreds of millions of families with "value for quality."
五源资本·The World Has More Than One Measure — There's Also the Dimension You Open Up | 5Y New Year Books & Film Recommendations
How to start the new year.
五源资本·Finding True Non-Consensus: Time as a Moat | 5Y Capital Partner Meeting Recap
Focus only on things that are absolutely meaningful.
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