Irongrey is a venture capital firm. Team members are concentrated in South Korea. Among the 13 companies in the known portfolio are Figment, Allonnia, Ascend Elements, Juvena Therapeutics, Aptos and Homebound.
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Investment focus
Who to pitch at Irongrey
Irongrey portfolio companies (13)
- Figment
- Allonnia
- Ascend Elements
- Juvena Therapeutics
- Aptos
- Homebound
- EdgeQ
- Jellatech
- Canvas Medical
- Estoca
- Modern Hydrogen
- Grow Commerce
- Replicant
Co-investors
Funds that share portfolio companies with Irongrey.
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About Irongrey
The firm's known deals cluster at Growth, Pre-Seed and Seed.
Of the 4 people on file at Irongrey, Yongbin Lee (Investor), Henry Haesung Ahn (Investor) and Ju Young Lee (Investor) are listed as the contacts to approach first.
Irongrey shares portfolio companies with 20 other investment firms, among them Bison Ventures, Bison Ventures and Notion.
Frequently asked questions
What is Irongrey?
Irongrey is a venture capital firm whose team is concentrated in South Korea, with a known portfolio of 13 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 Irongrey invest at?
The known deals of Irongrey include Growth, Pre-Seed 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 Irongrey?
3 of the 4 people on file at Irongrey are listed as contacts for the firm. All 4 have their own profile page.
How do I contact Irongrey?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 4 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