James Huff
Solo GP · West Palm Beach, FL
James Huff is a solo GP based in West Palm Beach, FL, investing at pre-seed, seed stage. James Huff's most recent fund with a disclosed size, Mainspring Funding II LLC, filed a $20M offering with the SEC in Jul 2026. James Huff has 2 funds and deal vehicles on SEC file. Estimated typical check: $200K–$600K. James Huff has dated investing activity in the last 12 months (latest Jul 2026).
Why James Huff is listed
Named as one of two individuals (Manager of the Manager of the Issuer) on the Form D for Mainspring Funding II LLC, a $20M venture fund (Jul 2026) (2 vehicles on file).
Source: SEC Form D: Mainspring Funding II LLC (Jul 22, 2026) · 1 more source
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- Stages
- Pre-seed, Seed
- Typical check (est.)
- $200K–$600K
- Latest fund
- $20M · Jul 2026
- Latest dated activity
- Jul 2026
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What does James Huff invest in?
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Funds and deal vehicles James Huff filed with the SEC
Sources
- SEC Form D: Mainspring Funding II LLCJul 22, 2026
- SEC Form D: XGS Funding LLCMay 14, 2026
Data refreshed from public sources Oct 15, 2026. Is this you? Remove or correct this profile.