S28 Capital

VC firm · San Francisco, CA

SEC-registered adviser

Venture capital adviser registered with the SEC (exempt reporting adviser), based in San Francisco, CA. Advises 4 venture funds. Latest adviser filing Apr 2026.

“S28 Capital is a venture fund based in San Francisco, run by operators and entrepreneurs who are helping the next generation of founders build their companies.” (from the firm’s website)

Stages: Seed to Series B
Typical check (est.): $5.4M–$16.2M
Latest fund: None on file
Last verified activity: Not in the last 12 months

Focus

B2B SoftwareCybersecurityE-commerce & RetailHardware & Robotics

Sources

SEC adviser record: S28 Capital LLCApr 3, 2026
Firm websiteOct 12, 2026

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