# Marubun

Marubun is a Corporate Investor based in Tokyo, Japan.

## Overview

- **Organization type:** Corporate Investor
- **Headquarters:** Tokyo, Japan
- **Region:** Asia
- **Address:** 8-1 Nihonbashi Odenmacho, Chuo-ku, Tokyo, 103-8577, Japan
- **Founded:** 1947
- **Assets under management:** Undisclosed
- **Website:** marubun.co.jp
- **LinkedIn:** https://www.linkedin.com/company/marubun-corporation

## Regulatory record

- **Reports private funds:** No

## About

Marubun operates as a specialized trading company and corporate investor rooted in Tokyo's Nihonbashi district. The firm distributes semiconductors, electronic components, and industrial solutions, serving as a critical node between global manufacturers and Japanese industry. Arrow Electronics, a strategic joint venture partner, holds an 8.38% minority stake, reflecting a durable trans-Pacific commercial alliance rather than a standard supplier relationship. The firm's investment posture centers on corporate venture activity linked to its core trading business. Marubun deploys capital into funds like the SBI Digital Space Fund, aligning its investment thesis with digital transformation technologies that complement its distribution of integrated circuits and electronics. Its strategic geography spans operations from Tokyo and Nagoya, connecting domestic industrial demand with international advanced electronics suppliers. The Horikoshi family's control is structured through both direct executive leadership under Hiroshi Horikoshi and the family holding vehicle, Hirokoshi LLC. Adjacent assets include the Marubun Daiya Building and a public golf course in Chiba, while industry participation extends to memberships in JEITA and the TCFD Consortium. The Marubun Research Promotion Foundation operates as the firm's primary philanthropic vehicle. Marubun's structural distinction lies in its hybrid identity as a dividend-paying Tokyo Stock Exchange-listed operating company that simultaneously functions as an allocator. This public-market transparency, combined with a concentrated family ownership structure and a strategic corporate shareholder in Arrow Electronics, creates a governance model uncommon among family-influenced investment entities in Japan.

## Sectors

- Industrial Tech
- Enterprise Software

## Offices

- Nagoya, Japan

## People

- Hiroshi Horikoshi — President and CEO

## Questions

### How does Marubun source its direct investments?

Marubun's investment activities are closely tied to its core electronics trading operations. The firm participates in technology funds like the SBI Digital Space Fund, which aligns with its commercial focus on digital transformation and industrial solutions.

## Related profiles

- [Marubeni Ventures](https://altss.com/profile/marubeni-ventures)
- [Marunouchi Capital](https://altss.com/profile/marunouchi-capital)

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Updated: 2026-06-03T20:00:00.000Z

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