Fundraising FoxiSigma Capital Corporation
Private equityTokyo · Growth–Late Stage
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Investment thesis
iSigma Capital is a buyout fund manager affiliated with Japan's Marubeni Group. Operating a series of business-support funds, it acquires stakes in Japanese companies and works to drive their growth and restructuring, moving them from 'Creation' to 'Development.' Its track record includes capital and business alliances, share transfers, and joint-venture recycling ventures across a range of Japanese portfolio companies.
Source: firm website, verified Aug 17, 2026.
What they invest in
from 1 of 7 portfolio companiesAdvanced Manufacturing ×1Deep Tech ×1Hardware ×1Medical Devices ×1New Materials ×1
HQs:Japan×1
Investments · 7 tracked
founders shown can be your intro pathYasojima Proceed manufactures and sells high-performance resin components through machining services, as well as advanced materials for 3D printing and industrial applications.
Advanced ManufacturingDeep TechHardwareMedical DevicesNew MaterialsNot stated, JP
河野 浩之Hiroyuki Kono(Representative Director & CEO)
Co-investorsIntegral
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
サニタリーホールディングス株式会社ツバキスタイルグループ三国商事株式会社昭光通商株式会社和コーポレーション江信特殊硝子
Frequently asked questions
- How many investments has iSigma Capital Corporation made?
- iSigma Capital Corporation has 7 tracked investments.
- What stage does iSigma Capital Corporation invest at?
- iSigma Capital Corporation invests at the Growth, Late Stage stages.
- What sectors does iSigma Capital Corporation focus on?
- iSigma Capital Corporation focuses on Sector Agnostic.
- Where is iSigma Capital Corporation located?
- iSigma Capital Corporation is headquartered in Tokyo, JP.
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