William Usdin
Solo GP · Washington Dc, District of Columbia
Named as the only individual (Manager of the General Partner of the Issuer) on the Form D for LongeVC Fund II, LP, a $11.5M venture fund (Nov 2025).
Angel Investment Confidence Score
Algorithmic score indicating recent deal velocity, check size reliability, and investment conviction in early-stage startups.
Why William Usdin holds a 86/100 confidence score
- Verified active check-writing activity within the last 12 months
- Target check sizes calibrated between $125K–$350K
- Cross-sector early stage track record
- Named as the only individual (Manager of the General Partner of the Issuer) on the Form D for LongeVC Fund II, LP, a $11.5M venture fund (Nov 2025).
Building in Technology & Software? See how well your pitch deck matches William Usdin’s thesis.
Check My Startup FitVerified investment track record
Named as the only individual (Manager of the General Partner of the Issuer) on the Form D for LongeVC Fund II, LP, a $11.5M venture fund (Nov 2025).
Source: SEC Form D: LongeVC Fund II, LP (Nov 25, 2025)
- Stages
- Pre-seed, Seed
- Typical check (est.)
- $125K–$350K
- Verified deals
- 1 on file
- Latest activity
- Nov 2025
Is William Usdin a fit for you?
See your AI startup fit score, verified contact channels, and warm paths through your network.
What sectors does William Usdin back?
Sector focus not yet verifiedVerified investments & deal activity
1 deal trackedRecent startup investments, syndicate rounds, and public co-investments across the US and Europe.
- Oct 2025
LongeVC Fund II, LP
Invested through a fund
Public Verification Sources
- SEC Form D: LongeVC Fund II, LPNov 25, 2025
Data refreshed from SEC filings and public European announcements Oct 15, 2026. Is this you? Correct or remove this profile.
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