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Benjamin Xavier Orthlieb

Solo GP · Tiburon, CA

Verified active in the last 12 months

Benjamin Xavier Orthlieb is a solo GP based in Tiburon, CA focused on AI & ML, investing at pre-seed, seed stage. Benjamin Xavier Orthlieb's most recent fund with a disclosed size, Blue Moon Fund II, L.P., filed a $35M offering with the SEC in Nov 2025. Estimated typical check: $350K–$1.05M. Benjamin Xavier Orthlieb has dated investing activity in the last 12 months (latest Nov 2025).

Why Benjamin Xavier Orthlieb is listed

Named as one of two individuals (Managing Director of the General Partner of the Issuer) on the Form D for Blue Moon Fund II, L.P., a $35M venture fund (Nov 2025).

Source: SEC Form D: Blue Moon Fund II, L.P. (Nov 14, 2025)

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Stages
Pre-seed, Seed
Typical check (est.)
$350K–$1.05M
Latest fund
$35M · Nov 2025
Latest dated activity
Nov 2025

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What does Benjamin Xavier Orthlieb invest in?

AI & ML

What has Benjamin Xavier Orthlieb invested in recently?

  • Blue Moon Fund II, L.P.

    Invested through a fund

    Sep 2024

Funds and deal vehicles Benjamin Xavier Orthlieb filed with the SEC

  • Blue Moon Fund II, L.P.

    Fund · $35M offering

    Nov 2025

Sources

Data refreshed from public sources Oct 15, 2026. Is this you? Remove or correct this profile.