Alex Siu is a Founding Partner at STIX, whose known portfolio counts 5 companies.
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Investment focus
- Sector
- FinTech
Contacts
Affiliated funds' portfolios
Founding Partner at STIX, whose known portfolio counts 5 companies
- Heritage Distilling
- KRNL Labs
- OpenLedger
- Neutrl
- Aidatify
Investor Profile
Alex Siu is listed against sector FinTech, and focus areas Crypto, Secondaries and Web3 in the database.
Stage-wise, the deals at STIX cluster around Late-Stage, Pre-Seed and Seed rounds.
The firm portfolio and the focus above give founders context on whether Alex Siu matches their raise.
Colleagues at STIX
Frequently asked questions
Who is Alex Siu?
Alex Siu is a venture debt investor based in Hong Kong, listed as Founding Partner at STIX. The known portfolio of that firm counts 5 companies. That portfolio belongs to the firm, not to Alex Siu personally.
What does Alex Siu invest in?
Listed sectors include FinTech; listed focus areas include Crypto, Secondaries and Web3. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Alex Siu invest at?
STIX appears in Late-Stage, Pre-Seed and Seed rounds across its known deals, and Alex Siu is listed there as Founding Partner. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Alex Siu listed at?
Alex Siu is listed as Founding Partner at STIX. 2 other people in the database share a firm with Alex Siu.
How do I contact Alex Siu?
A LinkedIn page is on file for Alex Siu. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal