This article is based on a Podcast contents of a same title:
Japan’s investment funds are built using three distinct “vessels”: company-type, contract-type, and partnership-type structures. Each vessel differs significantly in
- governance
- liability
- transparency
- investment suitability
- decision-making structure
These differences shape how funds are designed, operated, and regulated.
In this article, we quietly walk through these structures using three visual diagrams created for the slowsteps series.
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1. Overview of the three vessels
This diagram provides a high-level view of how the three vessels are positioned and how they relate to one another.
It allows you to grasp the landscape at a glance:
company-type on the left, contract-type in the center, and partnership-type on the right.
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2. Characteristics of each vessel
Company-type (KK, GK, General Incorporated Association)
- Has legal personality
- Strong governance
- Clear liability boundaries
- Well-established investor protection mechanisms
Contract-type (Trust)
- Bankruptcy remoteness under law
- Flexible structuring
- Strong fiduciary duties for trustees
Partnership-type (NK, TK, LPS)
- Historically diverse origins
- Wide variation in liability and transparency
- LPS has become the modern standard for investment funds
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3. Five key comparison points
When comparing fund structures, the following five points are essential:
- Capital variability (fixed / variable)
- Bankruptcy remoteness (present / absent)
- Legal personality (yes / no)
- Scope of liability (limited / unlimited)
- Decision-making structure (separated / unified)
The diagram below summarizes these elements in a single view.
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4. Why these three vessels coexist in Japan
Japan’s investment environment has evolved through legal history, investor needs, and practical considerations. As a result, the three vessels coexist with distinct roles:
- Company-type offers governance and stability
- Contract-type provides flexibility and bankruptcy remoteness
- Partnership-type reflects investment history and practical suitability
Rather than asking “which is superior,” the real question is “which vessel fits the purpose”. This episode explores that perspective in the quiet, structured tone that defines the slowsteps series.
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5. Related links
YouTube (visual explanation + audio)
Spotify (audio only)
https://open.spotify.com/episode/53zkOYADLbA2Oe3j1pazQP?si=2orUfzBjSLyZ3ZxB7PMkKQ
Related Articles
- Episode 1: What is a fund
- Episode 2: The relationship between investors and managers
- Fund Structures category archive
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