OSS Capital

VC firm · San Francisco, CA

SEC-registered adviser

Venture firm based in San Francisco, CA. Most recent fund on file: OSS Capital IV, L.P. ($52M offering), filed Aug 2025.

“About us OSS Capital is the first and only early-stage VC exclusively dedicated to backing leading COSS (commercial open source) startup founders on a global basis since 2018. Our Key goals Empowering the Next Generation of COSS Founders Guidance from 50+ COSS founders—behind companies like GitLab, Elastic, and Red Hat—driving $300B+ in value, $100B+ in outcomes,…” (from the firm’s website)

Stages: Seed
Typical check (est.): $525K–$1.55M
Latest fund: $52M · Aug 2025
Last verified activity: Aug 2025

Focus

Developer Tools

Funds and vehicles on SEC file

OSS Capital IV, L.P.
Fund · $52M offering
Aug 2025
OSS Capital III, L.P.
Fund · $75M offering
Nov 2023

Sources

SEC Form D: OSS Capital IV, L.P.Aug 14, 2025
SEC Form D: OSS Capital III, L.P.Nov 13, 2023
SEC adviser record: OSS Capital, LLCMar 17, 2026
Firm websiteOct 12, 2026

Profile last verified Oct 12, 2026. Is this you? Correct or remove this profile.