Songyee Yoon
Solo GP · Menlo Park, CA
Songyee Yoon is a solo GP based in Menlo Park, CA focused on AI & ML, Developer Tools, investing at seed, series a stage. Songyee Yoon's most recent fund with a disclosed size, Principal Venture Partners, L.P., filed a $100M offering with the SEC in Feb 2026. Songyee Yoon has 2 funds and deal vehicles on SEC file, including 1 single-deal SPVs. Estimated typical check: $1M–$3M. Songyee Yoon has dated investing activity in the last 12 months (latest Feb 2026).
Why Songyee Yoon is listed
Named as the only individual (Managing Member of the General Partner) on the Form D for Principal Venture Partners, L.P., a $100M venture fund (Feb 2026) (2 vehicles on file: 1 fund, 1 SPV).
Source: SEC Form D: Principal Venture Partners, L.P. (Feb 20, 2026) · 1 more source
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- Stages
- Seed, Series A
- Typical check (est.)
- $1M–$3M
- Latest fund
- $100M · Feb 2026
- Latest dated activity
- Feb 2026
Is Songyee Yoon a fit for you?
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What does Songyee Yoon invest in?
AI & MLDeveloper ToolsWhat has Songyee Yoon invested in recently?
- Sep 2024
Principal Venture Partners, L.P.
Invested through a fund
Funds and deal vehicles Songyee Yoon filed with the SEC
Sources
- SEC Form D: Principal Venture Partners, L.P.Feb 20, 2026
- SEC Form D: Principal-U LLCMay 1, 2024
Data refreshed from public sources Oct 15, 2026. Is this you? Remove or correct this profile.