Sigmaxyz is a corporate venture arm and private equity firm. Team members are concentrated in Tokyo, Japan. The known portfolio counts 6 companies, including Social Interior, Eucalia, Toletta Cats, GHELIA, Monstar Lab and Shizen Energy.
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Investment focus
- Stage
- GrowthLate-StageSeed
Who to pitch at Sigmaxyz
Sigmaxyz portfolio companies (6)
- Social Interior
- Eucalia
- Toletta Cats
- GHELIA
- Monstar Lab
- Shizen Energy
Co-investors
Funds that share portfolio companies with Sigmaxyz.
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About Sigmaxyz
The firm's known deals cluster at Growth, Late-Stage and Seed.
Akiyo Noda (Affiliated) and Atsuyuki Ariga (Affiliated) are listed as the contacts to pitch at Sigmaxyz.
Sigmaxyz shares portfolio companies with 5 other investment firms, among them Hitachi, AgCapital and Enigmo.
Frequently asked questions
What is Sigmaxyz?
Sigmaxyz is a corporate venture arm and private equity firm whose team is concentrated in Tokyo, Japan, with a known portfolio of 6 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What stage does Sigmaxyz invest at?
The known deals of Sigmaxyz include Growth, Late-Stage and Seed rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Sigmaxyz?
Both people on file at Sigmaxyz are listed as contacts for the firm, each with their own profile page.
How do I contact Sigmaxyz?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 2 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal