William Usdin
Solo GP · Washington Dc, DC
William Usdin is a solo GP based in Washington Dc, DC, investing at pre-seed, seed stage. William Usdin's most recent fund with a disclosed size, LongeVC Fund II, LP, filed a $11.5M offering with the SEC in Nov 2025. Estimated typical check: $125K–$350K. William Usdin has dated investing activity in the last 12 months (latest Nov 2025).
Why William Usdin is listed
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)
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- Stages
- Pre-seed, Seed
- Typical check (est.)
- $125K–$350K
- Latest fund
- $11.5M · Nov 2025
- Latest dated activity
- Nov 2025
Is William Usdin a fit for you?
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What does William Usdin invest in?
Sector focus not yet verifiedWhat has William Usdin invested in recently?
- Oct 2025
LongeVC Fund II, LP
Invested through a fund
Funds and deal vehicles William Usdin filed with the SEC
- Nov 2025
LongeVC Fund II, LP
Fund · $11.5M offering
Sources
- SEC Form D: LongeVC Fund II, LPNov 25, 2025
Data refreshed from public sources Oct 15, 2026. Is this you? Remove or correct this profile.