# Mitsui & Co. Group Pension Fund

Mitsui & Co. Group Pension Fund is a Corporate Pension Fund based in Tokyo, Japan.

## Overview

- **Organization type:** Corporate Pension Fund
- **Headquarters:** Tokyo, Japan
- **Region:** Asia
- **Address:** Tokyo, Japan
- **Founded:** 1947
- **Assets under management:** Undisclosed
- **Website:** mitsui.com
- **LinkedIn:** https://www.mitsui.com/

## Regulatory record

- **Reports private funds:** No

## About

The pension fund serves as the primary retirement vehicle for employees of Mitsui & Co., the centuries-old sogo shosha whose businesses span energy, metals, machinery, and chemicals. Keiji Kasamatsu serves as President, with Kunihiko Ogura as Executive Director, placing the fund's governance directly under the parent company's oversight. Like many Japanese corporate pension funds, the plan maintains both defined-benefit and defined-contribution frameworks to service its retiree base. The fund's deployment pattern reveals a dual-track strategy. A significant portion remains anchored in the life insurance general account, a conventional Japanese institutional allocation that provides liability-matching characteristics. Alongside this, the fund has built a discrete alternatives program covering global infrastructure investments and privately placed REITs across domestic and foreign commercial real estate. The geographic reach extends beyond Japan, with recorded infrastructure exposure touching multiple global markets. No public AUM figure is available for the fund. The responsible entity for PRI signatory commitments sits with Mitsui & Co. Asset Management Holdings, a separate entity within the group. Adjacent Mitsui vehicles include the Mitsui & Co. Co-creation Fund and The Mitsui U.S.A. Foundation, though those operate as philanthropic structures rather than components of the retirement pool. The structural differentiator for this fund lies in its relationship to the operating company. As a corporate pension fund attached to a trading conglomerate, its investment posture reflects both the risk tolerance and the cash-flow dynamics of the parent — a materially different shape from Japan's public pension giants or independent asset managers. The fund's governance flows through corporate officers rather than an independent board, keeping investment decisions close to the treasury function of Mitsui & Co.

## Sectors

- Real Estate
- Infrastructure
- Insurance

## People

- Keiji Kasamatsu — President
- Kunihiko Ogura — Executive Director

## Questions

### Who runs investment decisions at the Mitsui & Co. Group Pension Fund?

Keiji Kasamatsu serves as President and Kunihiko Ogura as Executive Director. The fund operates within Mitsui & Co.'s corporate treasury and asset management framework, though specific investment committee details are not publicly disclosed.

### Where does the fund's capital come from?

The capital pool is built from employee and employer contributions within Mitsui & Co.'s corporate pension framework. The parent company is one of the largest trading houses in Japan, with lines of business ranging from energy and metals to food and infrastructure.

## Related profiles

- [Mitsui Chemicals](https://altss.com/profile/mitsui-chemicals)
- [Mitsui & Co., Principal Investments](https://altss.com/profile/mitsui-co-principal-investments)

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Last updated: 2026-07-06T00:36:18.813Z

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