William Manby
Solo GP · Akron, OH
William Manby is a solo GP based in Akron, OH focused on Climate & Energy, Deep Tech, investing at pre-seed, seed stage. William Manby's most recent fund with a disclosed size, Interstate Fusion Ventures, LP, filed a $10M offering with the SEC in Jun 2025. William Manby has 2 funds and deal vehicles on SEC file, including 1 single-deal SPVs. Estimated typical check: $100K–$300K. William Manby's latest dated investing activity was in Jun 2025.
Why William Manby is listed
Named as the only individual (William Manby is the Manager of the General Partner of Issuer) on the Form D for Interstate Fusion Ventures, LP, a $10M venture fund (Jun 2025) (2 vehicles on file: 1 fund, 1 SPV).
Source: SEC Form D: Interstate Fusion Ventures, LP (Jun 30, 2025) · 1 more source
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- Stages
- Pre-seed, Seed
- Typical check (est.)
- $100K–$300K
- Latest fund
- $10M · Jun 2025
- Latest dated activity
- Jun 2025
Is William Manby a fit for you?
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What does William Manby invest in?
Climate & EnergyDeep TechWhat has William Manby invested in recently?
- Feb 2023
Interstate Fusion Ventures, LP
Invested through a fund
Funds and deal vehicles William Manby filed with the SEC
Sources
- SEC Form D: Interstate Fusion Ventures, LPJun 30, 2025
- SEC Form D: Interstate Fusion Ventures SPV, LPFeb 27, 2023
Data refreshed from public sources Oct 15, 2026. Is this you? Remove or correct this profile.